46 jobs found

Principal Fire Suppression Engineer Location: Acton, London Salary: £80,000 £90,000 + Benefits Job Type: Permanent Full-Time Join a Team Delivering Critical Rail Infrastructure Are you an experienced Fire Suppression Engineer looking to lead the design and delivery of complex fire protection systems on major rail infrastructure projects? We're seeking a Principal Fire Suppression Engineer to play a key leadership role in the design, coordination, and delivery of Fire Suppression, Hydrant, and Dry/Wet Riser systems on a high-profile rail project. This is an excellent opportunity to influence large-scale infrastructure while working alongside multidisciplinary engineering teams. The Role As the Principal Fire Suppression Engineer, you will be responsible for ensuring technical excellence, regulatory compliance, and successful project delivery from concept through to installation and certification. Key Responsibilities Lead the design and verification of Fire Suppression Systems in accordance with BS9990 , BS EN 12845 , and other relevant standards. Review and coordinate designs produced by MEP consultants and contractors, ensuring safety, compliance, constructability, and maintainability. Develop complex Fire Alarm Cause & Effect documentation and manage third-party system interfaces. Support Engineering Managers in resolving technical interface issues and ensuring seamless system integration. Drive technical excellence through value engineering and standardisation initiatives. Liaise with accreditation bodies, including BRE Global, to ensure compliance with certification requirements. Provide technical support throughout procurement, tendering, construction, and project delivery. Build strong relationships with clients, consultants, contractors, and internal stakeholders. Leadership Responsibilities Support the development and mentoring of engineering staff. Ensure mandatory training and competency requirements are met. Promote compliance with health & safety, quality assurance, and information security procedures. Foster a collaborative, high-performing engineering culture. About YouEssential Skills & Knowledge Extensive knowledge of Fire Suppression Systems and associated British Standards. Strong understanding of both active and passive fire protection systems. Proficient in CAD/BIM software for fire systems design. Excellent stakeholder management and multidisciplinary coordination experience. Strong analytical and problem-solving abilities. Qualifications Degree, HNC or HND in Mechanical Engineering (or similar discipline). LPCB Basic Sprinkler Design Competency. Membership of a recognised professional institution (such as IFE or IMechE). Engineering Council registration (EngTech, IEng or CEng) is desirable. Experience Demonstrable experience designing Fire Suppression and Hydrant Main Systems within the Rail sector. Experience managing projects from tender through design, installation, commissioning, and certification. Why Join Us? We're committed to delivering engineering excellence through collaboration, innovation, and integrity. Our approach combines the capability of a Tier 1 contractor with the agility and customer focus of a specialist engineering business. You'll benefit from: Competitive salary of £80,000 £90,000 Opportunity to work on landmark rail infrastructure projects Collaborative and supportive engineering environment Career progression and professional development A company that values sustainability, ethical decision-making, and engineering excellence Apply Today If you're ready to take the next step in your engineering career and help shape the future of critical rail infrastructure, we'd love to hear from you. Apply now to become our next Principal Fire Suppression Engineer. Application question(s): Do you have experience designing Fire Suppression, Hydrant Main, and Dry/Wet Riser systems within the Rail sector? Do you hold a Degree, HNC, or HND in Mechanical Engineering (or a closely related engineering discipline)? Do you hold the LPCB Basic Sprinkler Design Competency qualification? Do you have proven experience designing Fire Suppression Systems in accordance with standards such as BS9990 and BS EN 12845? Work Location: In person

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Location: London Birmingham Manchester Leeds Newcastle Bicester Other UK locations considered Salary: Up to £70,000 + Comprehensive Benefits PackageTake the lead on some of the UK's most complex Data Centre projects.As demand for digital infrastructure continues to accelerate, leading Building Services Design Consultancies are investing heavily in experienced engineers who can confidently lead projects, mentor junior colleagues and deliver technically outstanding mechanical designs.At Eligo Recruitment , we partner with some of the UK's most respected engineering consultancies, supporting the recruitment of Mechanical Design professionals who specialise in Mission Critical and Data Centre developments.If you're looking for a role where you'll have greater technical ownership, increased client exposure and the opportunity to influence the design of world-class facilities, we'd love to hear from you. The Opportunity This is more than simply producing designs.As a Senior Mechanical Design Engineer, you'll be responsible for leading the mechanical delivery of complex Data Centre projects from concept through to completion.You'll work closely with Associate Directors, Project Directors and multidisciplinary engineering teams, ensuring projects are delivered to the highest technical standards whilst mentoring junior engineers and maintaining excellent client relationships.Your expertise will directly influence the performance, resilience and sustainability of facilities supporting some of the world's largest technology organisations. Key Responsibilities Lead the mechanical design of hyperscale and mission critical Data Centre projects. Produce and review detailed engineering calculations, reports and specifications. Design HVAC, chilled water, condenser water, ventilation and mechanical building services systems. Coordinate designs using Revit and BIM Level 2 workflows. Review and check the work produced by junior engineers. Mentor Graduate and Mechanical Design Engineers, supporting their technical development. Attend client meetings and present engineering solutions with confidence. Coordinate with Electrical, Public Health, Structural and Civil Engineering teams. Support Project Managers in delivering projects on time and within budget. Resolve complex engineering challenges through innovative and practical design solutions. Ensure compliance with current British Standards, Building Regulations and industry best practice. Contribute to technical excellence across the wider engineering team. About You You'll already have experience working within a Building Services Design Consultancy delivering Data Centre or Mission Critical projects.You'll be comfortable taking ownership of packages of work, managing your own workload and supporting less experienced engineers whilst remaining hands-on with the technical design.We're particularly interested in engineers with experience of: Mechanical Building Services Design Data Centre Design Mission Critical Facilities HVAC Design Chilled Water Systems Cooling Plant Ventilation Systems Heat Load Calculations Energy Efficient Design BIM and Revit Technical Report Writing Client Liaison Design Coordination Essential Requirement Previous Mechanical Building Services Design experience within the Data Centre or Mission Critical sector is essential. Unfortunately, applicants without relevant Data Centre consultancy experience cannot be considered for these opportunities. Why Join? The Data Centre sector continues to be one of the fastest-growing and most technically rewarding areas within Building Services Engineering.This role offers the opportunity to: Lead technically challenging engineering projects. Work alongside recognised experts in the Mission Critical sector. Develop leadership and mentoring experience. Build strong relationships with high-profile global clients. Gain exposure to some of the UK's largest hyperscale developments. Continue progressing towards Principal and Associate-level positions. Locations Our clients have opportunities throughout the UK, including: London Birmingham Manchester Leeds Newcastle Bicester Based elsewhere? We welcome applications from experienced engineers across the UK. If you have the right Data Centre Building Services Design Consultancy background, we'd be delighted to discuss opportunities in your preferred location. Why Work with Eligo Recruitment? At Eligo Recruitment, we specialise in recruiting engineering professionals across the Data Centre and Mission Critical sectors.Our consultants understand the market, the projects and the skills employers genuinely value. We work closely with leading Building Services Design Consultancies across the UK, providing access to both advertised and confidential opportunities.Whether you're actively exploring new opportunities or simply interested in understanding the current market, we'll provide honest advice, detailed insight and a confidential recruitment process focused on your long-term career goals. Ready for Your Next Challenge? If you're an experienced Senior Mechanical Design Engineer looking to take the next step in your career within the Data Centre sector, we'd love to hear from you.Apply today or contact the specialist engineering team at Eligo Recruitment for a confidential discussion about current opportunities with some of the UK's leading Building Services Design Consultancies. Eligo Recruitment is acting as an Employment Business in relation to this vacancy. Eligo is proud to be an equal opportunity employer dedicated to fostering diversity and creating an inclusive and equitable environment for employees and applicants. We actively celebrate and embrace differences, including but not limited to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran status, and disability. We encourage applications from individuals of all backgrounds and experiences and all will be considered for employment without discrimination. At Eligo Recruitment diversity, equity and inclusion is integral to achieving our mission to ensure every workplace reflects the richness of human diversity.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 depending on skills and experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarines. This will include undertaking functional design activities, calculations and analysis . You'll also produce design documentation, Verification & Validation evidence and safety justifications in this role. Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme. Core duties: You will be specifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliers You will provide specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipment You will engage with stakeholders across the cross-functional project team You will mentor junior engineers in the team Essential Skills: You will be degree qualified in Mechanical Engineering or relevant subject, or equivalent experience You will have proven experience in designing mechanical systems and specifying complex , high value mechanical equipment You will be able to drive various engineering tasks with your excellent communication skills and significant experience of dealing with internal and external stakeholders at all levels You will have knowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptance You will bring Good awareness of product safety and SHE to the role The Dreadnought Platform Mechanical Engineering Team: This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 21st August 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.