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Principal Software Engineer Hours: 40h p/w Location: Hybrid or Remote Salary:60k-70k Build the platforms that power better travel money At eurochange , we re transforming foreign exchange making it better, simpler and more convenient for millions of customers. Technology is at the heart of that journey, and we re looking for a Principal Software Engineer to help shape the platforms that drive our digital future. This is a senior, hands-on technical leadership role where you ll influence architecture, guide engineering standards, and deliver enterprise-grade solutions that scale with our ambitions. What you ll be doing As our Principal Software Engineer, you ll be a technical authority across our digital platforms, combining architectural vision with practical delivery. You ll: Lead end-to-end full-stack delivery , from backend services and APIs to customer-facing and internal applications Shape and evolve platform and system architecture , ensuring solutions are secure, scalable and future-ready Translate business strategy into robust technical designs , balancing innovation with resilience Set the standard for clean code, engineering best practice and quality across teams Drive modernisation initiatives , reducing technical debt and improving performance Champion DevOps, CI/CD and automation , enabling faster, safer releases Embed security, compliance and GDPR-by-design into everything we build Collaborate closely with Product, Design, Architecture and senior stakeholders Mentor and influence engineers at all levels, raising the bar for technical excellence About you You re a strategic, hands-on technical leader who enjoys solving complex problems and influencing direction. You re trusted for your judgement, calm under pressure, and passionate about building systems that last. You ll bring: Expert-level experience with C#, .NET and object-oriented design Strong front-end knowledge using JavaScript/TypeScript and React Deep experience designing and governing enterprise APIs (REST & SOAP), ideally on Azure Proven leadership in DevOps, CI/CD pipelines and cloud-native environments Advanced SQL Server and data modelling expertise Strong understanding of microservices and distributed systems Experience with CMS platforms (e.g. Umbraco) and third-party integrations A collaborative mindset and the ability to influence without line management Our Perks Are Out of This World! Colleague Rate on Travel Money 28 days holiday (inclusive of bank holidays) High Street Discounts Free 24/7 Virtual GP service for you and your family Cycle to Work Scheme Employee Wellbeing & Financial Support through Retail Trust Employee Assistance Programme because you matter! Wagestream access your earned wages when you need it Recognition Awards for outstanding service Additional holiday entitlement after 1 year Life Assurance and much more! Our Vision To be the UK s go-to travel money provider, adding value to every customer s journey! Our Purpose Foreign exchange but better, simpler & more convenient, we re the trusted inspirational experts. Our Values We Strive, We Trust, We re Aspirational, We re Responsible, We re Sincere

Job Title: Principal Process Safety Engineer Location: Barrow-in-Furness - we offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: £47,241 + depending on experience What you'll be doing: Completing DSEAR risk assessments and compliance activities Mentoring and developing junior engineers Reviewing and producing explosion safety strategies Peer reviewing work Risk Analysis Developing and producing processes and policy documentation for the site Your skills and experiences: Essential: Experience of working in an explosion safety engineering environment and applying various methods of hazard analysis DSEAR risk assessment production including hazard identification and analysis (preferably from a high hazard industry) A thorough understanding of Hazardous Area Classification (HAC) and Proven track record in implementing business processes to achieve strategic objectives Desirable: Degree qualified in a STEM discipline COMAH - Control of Major Accident Hazards (Safety Case support) experience Site Asset Protection experience & Fire Safety Engineering experience Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Safety & Environmental team This is an exciting opportunity to join an established team tasked which offers exposure to the wider strategic initiative . You will be working with six people from principals to apprentices, liaising with operational managers, heads of departments as well as the Health & Safety teams. This role offers exposure to the Wider Control Damage Hazards team whilst individually being given the opportunity for professional growth within the function. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 19th January 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 Product Safety Engineer Location: Broad Oak, Frimley, New Malden or Filton. We offer a range of hybrid and flexible working arrangements. Please speak to your recruiter about the options for this particular role Salary: Circa £70,000 depending on qualifications and experience What you'll be doing: Providing support to the functions Technical Authority teams with the management of the hazards, risks and associated mitigations and contribute to the development of the hazard log and the maturity of information contained within. Responsible for product safety strategy/argument assessment against major subsystems or key complex technologies. Production of high-quality submissions including hazard logs, safety cases and safety plans. Organising and facilitate HAZIDs and review meetings and contribute to other HAZIDs when required. Working with the Technical Authority teams and embedded Safety Engineers in collating adequate product safety related evidence to support the safety case argument and acceptance via the Requirements and Acceptance Team. Your skills and experiences: Knowledge of safety management processes and techniques Experience of working in more than one phase of the Engineering Lifecycle, with sufficient experience of design principles to enable a good understanding of adjacent phases and through life engineering issues Awareness of customer defence standards such as: DSA-02, JSP430, Def Stan 00-56, MilStn 882E, BS EN 61508 Familiar with the principles of a Safety Management System Experienced in writing technical documentation to an elevated level Experience in Product Safety within Software Systems would be advantageous Engineers at all levels should possess an academic qualification in Engineering or other related STEM subjects as well as specific (either academic or professional) qualifications and become recognised as Incorporated or Chartered Engineers through an appropriate recognised professional institution. Engineers are encouraged, and will be supported, to achieve the relevant accreditation. Preference will be given to candidates who are already professionally registered. Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Product Safety team: The Combat System is the heart of any platform, and being part of integrating these complex systems safely through design and assurance is the role of the Product Safety team. Working independently and collaboratively with a like-minded Product Safety Engineers, you will be critical is underpinning the integrity of cutting-edge technology from design concept through to disposal. As a valued stakeholder working alongside Design Technical Authorities, you will play a pivotal role challenging norm as well of bringing new ideas to table across a varied and ever-changing portfolio of Combat System projects. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 23rd January 2026 - Interviews will be held w/c 2nd February 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 - Nuclear Substantiation (Site) Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: £60,000 + depending on experience What you'll be doing: Authoring and managing nuclear site assets' design substantiation documentation supporting the site nuclear safety case Reviewing analyses , assessments, and calculations supporting nuclear design substantiation Supporting periodic review of safety Taking ownership of deliverables, and demonstrating high levels of autonomy and leadership Supporting the implementation of design substantiation requirements Working closely with a broad range of stakeholders including Site Safety Case, Human Factors, and Engineering Authority Teams Support in the development of other Nuclear Substantiation team members Collaborating with the wider business on site assets nuclear design substantiation related activities Your skills and experiences: Essential: Experience of the nuclear industry and nuclear safety regulations Degree qualified in a STEM subject or equivalent working experience. Ability to produce high quality technical reports Determined in driving all deliverable and associated activities through due process to completion Excellent stakeholder management Desirable: Broad understanding of multiple engineering disciplines Chartered Engineer from the Engineering Council and a member of a relevant professional body Nuclear design substantiation analysis and assessment exposure/experience Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Site Engineering - Nuclear Substantiation team: You will be joining a key team with some great development opportunities both in the technical and managerial streams. Native to the team, there are opportunities to get involved in the design substantiation and safety justification of a variety of site assets and facilities spanning mechanical, civil and structural, and electrical, in addition to getting in involved in finite element analysis and simulation using the latest cutting-edge tools and techniques. This also involves regular interaction and joint working with the Engineering Authority, Site Specialist Engineers, Site Safety Case, Human Factors, as well as Boat Services and Boat Build functions delivering an exceptionally varied and diverse scope. This interaction offers plenty of development opportunities both in terms of formal secondments and informal extended collaboration to suite you and your career aspirations. This could be an exciting and fulfilling opportunity waiting for you at the Nuclear Substantiation and Analysis team - SEA (DDC) at BAE Systems. Apply today to see how far you can go. We offer relocation support packages across all Submarine roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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 January 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.

HPC Container Platform Consultant (SC Cleared) - Principal Consultant (Contract) An SC-cleared HPC specialist is required to support a high-profile engineering programme within a globally recognised UK manufacturer operating across aerospace, defence, and mission-critical power systems . The focus is modernising how HPC and HPC/ML workloads are built, packaged, and run using MPI-optimised container approaches - with pragmatic, implementable outcomes. What you'll deliver: Rapid review of current HPC estate, workflows, and priority use cases (workshops + technical deep dives) Containerisation capability sessions focused on real HPC and HPC/ML workloads (not generic platform advice) Guidance on MPI-ready container images, build tooling, and repeatable operational patterns Scheduler/runtime alignment and deployment approach (batch, interactive, data science workflows) Clear recommendations and next steps; produce a short written report where required Core technology focus Slurm job scheduling MPI and performance-aware containerisation (HPC-first constraints) Apptainer / SIF images with OpenMPI (plus viable alternatives) Podman / Buildah tooling and secure build practices Essential criteria (must have) Active SC Clearance Must meet programme nationality/eligibility requirements ( sole nationality required; no dual nationality; no OCI ) Hands-on experience operating in Beowulf-style cluster environments Excellent practical knowledge of Slurm and job execution patterns Strong understanding of best practices for MPI-optimised container images (build, run, troubleshoot, performance) Desirable experience Ability to run structured interviews/workshops with customer engineering teams Awareness of SDLC considerations in research/HPC environments Familiarity with Jupyter (Hub/Lab/Notebooks) supporting data science workflows on shared compute Strong working knowledge of MPI patterns and real-world operational constraints Contract Details: 600 - 700 Per Day Inside IR35 Hybrid Working Contract Initially 3-Months with Lengthy Extensions Nice to have: Singularity / SIF format and common HPC workflow patterns CFD tooling exposure (e.g., OpenFOAM ) Docker and image lifecycle governance Kubernetes used as an HPC runtime environment (where appropriate) Run:AI and GPU slicing concepts

Job Title: Principal Process Safety Engineer Location: Barrow-in-Furness - we offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: £47,241 + depending on experience What you'll be doing: Completing DSEAR risk assessments and compliance activities Mentoring and developing junior engineers Reviewing and producing explosion safety strategies Peer reviewing work Risk Analysis Developing and producing processes and policy documentation for the site Your skills and experiences: Essential: Experience of working in an explosion safety engineering environment and applying various methods of hazard analysis DSEAR risk assessment production including hazard identification and analysis (preferably from a high hazard industry) A thorough understanding of Hazardous Area Classification (HAC) and Proven track record in implementing business processes to achieve strategic objectives Desirable: Degree qualified in a STEM discipline COMAH - Control of Major Accident Hazards (Safety Case support) experience Site Asset Protection experience & Fire Safety Engineering experience Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Safety & Environmental team This is an exciting opportunity to join an established team tasked which offers exposure to the wider strategic initiative . You will be working with six people from principals to apprentices, liaising with operational managers, heads of departments as well as the Health & Safety teams. This role offers exposure to the Wider Control Damage Hazards team whilst individually being given the opportunity for professional growth within the function. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 19th January 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 Process Safety Engineer Location: Barrow-in-Furness - we offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: £47,241 + depending on experience What you'll be doing: Completing DSEAR risk assessments and compliance activities Mentoring and developing junior engineers Reviewing and producing explosion safety strategies Peer reviewing work Risk Analysis Developing and producing processes and policy documentation for the site Your skills and experiences: Essential: Experience of working in an explosion safety engineering environment and applying various methods of hazard analysis DSEAR risk assessment production including hazard identification and analysis (preferably from a high hazard industry) A thorough understanding of Hazardous Area Classification (HAC) and Proven track record in implementing business processes to achieve strategic objectives Desirable: Degree qualified in a STEM discipline COMAH - Control of Major Accident Hazards (Safety Case support) experience Site Asset Protection experience & Fire Safety Engineering experience Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Safety & Environmental team This is an exciting opportunity to join an established team tasked which offers exposure to the wider strategic initiative . You will be working with six people from principals to apprentices, liaising with operational managers, heads of departments as well as the Health & Safety teams. This role offers exposure to the Wider Control Damage Hazards team whilst individually being given the opportunity for professional growth within the function. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 19th January 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 - Systems Engineering (Requirements & Acceptance) Location: Barrow-in-Furness - (Hybrid - 2 days on site per fortnight) - (dependent on business needs) Salary: Up to £60,000 - (Commensurate with skills and experience) What you'll be doing: Generate and assure consistency within the requirement set for 12 major C&I systems including Distributed Control Systems, Control Console and Vehicle Control Systems Support the wider C&I design for several C&I sub-systems for Secondary Propulsion, Platform Mechanical and Platform Electrical Manage various requirements stakeholders to provide consistency across the Centralised C&I team Support the development of a functional design for the systems within scope for Centralised C&I Assess the design against compliance to its requirements, ensuring that the design risk is mitigated as far as reasonably practicable Provide guidance and instruction on the engineering methods/process to deliver the engineering delivery plan Develop guidance and instruction on the engineering methods/process to ensure consistent technical goodness Work with the Engineering Delivery Team with varying levels of SQEP to develop technical solutions, developing the team members and nurturing their development Your skills and experiences: Essential Degree qualified in Engineering discipline Experience within regulated industry such as Defence, Oil and Gas, or Nuclear Professional knowledge and experience in C&I design across the whole lifecycle Stakeholder management & communication skills Well developed experience in full lifecycle requirements management Desirable: Supplier Requirements management experience Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The SSNA CCI Governance Team: As a Principal Engineer - Systems Engineering you will be working as part of the Centralised C&I Governance Team, responsible for developing the process, procedure and providing assurance for the next generation of Nuclear Attack Submarine. You will be working as part of a new founded governance team whereby you will have the opportunity to craft future ways of working, which could lay the foundations for the success of the SSNA C&I programme. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 25th January 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 Process Safety Engineer Location: Barrow-in-Furness - we offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: £47,241 + depending on experience What you'll be doing: Completing DSEAR risk assessments and compliance activities Mentoring and developing junior engineers Reviewing and producing explosion safety strategies Peer reviewing work Risk Analysis Developing and producing processes and policy documentation for the site Your skills and experiences: Essential: Experience of working in an explosion safety engineering environment and applying various methods of hazard analysis DSEAR risk assessment production including hazard identification and analysis (preferably from a high hazard industry) A thorough understanding of Hazardous Area Classification (HAC) and Proven track record in implementing business processes to achieve strategic objectives Desirable: Degree qualified in a STEM discipline COMAH - Control of Major Accident Hazards (Safety Case support) experience Site Asset Protection experience & Fire Safety Engineering experience Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Safety & Environmental team This is an exciting opportunity to join an established team tasked which offers exposure to the wider strategic initiative . You will be working with six people from principals to apprentices, liaising with operational managers, heads of departments as well as the Health & Safety teams. This role offers exposure to the Wider Control Damage Hazards team whilst individually being given the opportunity for professional growth within the function. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 19th January 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 Radiation Physicist Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive What you'll be doing: Supervising and conducting analysis and experiments to support system qualification Supporting progression of design optimisation Producing and reviewing radiological safety justifications for proposed design solutions Direct development of in-house toolsets in support of the department goals Leading detailed shield design, balancing build requirements alongside system performance requirements Your skills and experiences: Essential: Relevant STEM degree in Physics/Mathematics/Chemistry/Nuclear Engineering Demonstrable experience of radiation transport codes such as MCNP/MCBEND/Attilla Understanding of radiation physics Experience of radiation safety studies & behaviours Experience of radiation metrology Knowledge of the ALARP principle Desirable: Experience of managing technical projects Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Radiation Physics & Shielding team Our team is responsible for the design and validation of radiation shielding for the UK's nuclear powered submarine fleet. We are engaged across three different submarine programmes in different stages of the engineering lifecycle designing new shields, providing design change assessment into the build programme, and conducting radiation metrology on-board during commissioning. Alongside our primary work we conduct radiological safety studies for several other areas, design novel radiation detectors and are developing capability in the field of radiation damage to electronics. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 20th January 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: Senior Product Compliance Engineer Location: Barrow-in-Furness, Brough, Filton, Frimley, Portsmouth, Weymouth or Manchester - we offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: Attending and reporting to Daily Stand-Up Meetings (DSUM) Design activities including but not limited to supporting rick reduction/ analysis and identification Applying a systems engineering approach to safety products including Working within a centralised modelling tool Working within a small safety team environment Supporting non-safety experienced member of the wider team to achieve desirable safety outcomes Supporting and preparing safety assessments as required to support system design and development Supporting the preparation of Design Safety Justification supporting inputs Providing Safety SME to product design and gate reviews Supporting the development and maintenance of a healthy product Safety Culture within the team and wider business Your skills and experiences: STEM degree (ideally with Product Safety experience within a regulated industry) Familiarity with UK Defence Standard and publications such as Defence Standard 00-56, Defence Standard 00-55, DSA-01, DSA-02 Familiarity with safety analysis techniques such as: (FHA) (FTA) (ETA) (FMEA) (STPA) An understanding of the principles and requirements of IEC 61508 and/or IEC 61511 for complex Software and Hardware Safety Instrumented Systems Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Safety Environmental team: As the Senior Engineer - Product Safety the primary duties for this role will be heavily focussed on the safety during the product design process. You will undertake analysis and provide outputs to the Principal Engineers where they can provide assistance to develop designs further. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 22nd January 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 Software Engineer Location: Oxford - Hybrid Salary: up to 75,000 Job Type: Permanent Organisation Overview Our Client operates within the high-tech instrumentation sector, specialising in advanced measurement solutions for scientific and industrial applications. Recognised for its innovative approach and commitment to excellence, Our Client fosters a collaborative and growth-oriented environment that values creativity, technical expertise, and continuous learning. They are dedicated to delivering cutting-edge products that drive scientific discovery and industry advancements. Working here provides opportunities to be at the forefront of scientific innovation, supported by a culture that encourages professional development and teamwork. Role Summary Due to ongoing growth and strategic development initiatives, Our Client is seeking an experienced Principal Software Engineer to lead the development of sophisticated software applications and drivers for its range of specialised products. This pivotal role is fundamental to enabling the organisation to meet its ambitious technical goals and to maintain its reputation for precision and reliability. The position offers the chance to influence project outcomes significantly, drive technical excellence, and support innovative measurement solutions on a global scale. Responsibilities Lead the creation and enhancement of high-quality software features within agile project teams, ensuring delivery aligns with project timelines and specifications. Assume ownership of technical solutions across designated projects, including participating in design reviews and architectural decisions. Develop comprehensive project documentation to facilitate ongoing maintenance and future development efforts by teams and internal partners. Provide technical leadership and mentorship to the software team, sharing expertise and guiding best practices. Offer technical support during all phases of product lifecycle, from initial installation to ongoing operation. Collaborate closely with colleagues across departments to develop integrated and innovative technological solutions. Drive continuous improvement by recommending new tools, techniques, and processes to enhance product quality and development efficiency. Maintain a strong understanding of emerging trends, tools, and techniques within the software engineering and scientific domains. Contribute to personal and organisational growth by engaging in ongoing learning, understanding customer needs, and proposing new features to boost product performance. Ensure compliance with health, safety, and environmental standards, taking personal responsibility for a safe working environment. Undertake additional tasks as required to support Our Client's strategic objectives. Essential Skills & Experience Degree in Software Engineering, Physics, Materials Science, or related scientific discipline. Extensive experience with software development in C++, including control systems and complex application design. Proficiency with network and communication protocols. Familiarity with development tools such as CMake, GIT or similar source control, bug tracking systems, and debugging tools. Knowledge of Python programming and distributed system concepts. Experience working with database interactions, SQL, and cloud infrastructure platforms such as Azure or AWS. Proven track record in delivering high-quality software solutions in a scientific or industrial setting. Strong organisational skills and ability to work effectively within a team. Excellent problem-solving, communication, and documentation skills. Awareness of project management methodologies. Desirable Skills & Experience Experience with measurement data analysis in physical sciences. Knowledge of laboratory or industrial control systems. Familiarity with cultural responsiveness and global collaboration. Experience in innovation-driven environments and customer-focused project delivery. If you are a proactive and detail-oriented software engineer with the expertise to lead critical projects and deliver high impact solutions, we invite you to submit your CV for consideration. Join Our Client's team and be part of pioneering scientific advancements that push the boundaries of knowledge.

Job Title: Senior Product Compliance Engineer Location: Barrow-in-Furness, Brough, Filton, Frimley, Portsmouth, Weymouth or Manchester - we offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: Attending and reporting to Daily Stand-Up Meetings (DSUM) Design activities including but not limited to supporting rick reduction/ analysis and identification Applying a systems engineering approach to safety products including Working within a centralised modelling tool Working within a small safety team environment Supporting non-safety experienced member of the wider team to achieve desirable safety outcomes Supporting and preparing safety assessments as required to support system design and development Supporting the preparation of Design Safety Justification supporting inputs Providing Safety SME to product design and gate reviews Supporting the development and maintenance of a healthy product Safety Culture within the team and wider business Your skills and experiences: STEM degree (ideally with Product Safety experience within a regulated industry) Familiarity with UK Defence Standard and publications such as Defence Standard 00-56, Defence Standard 00-55, DSA-01, DSA-02 Familiarity with safety analysis techniques such as: (FHA) (FTA) (ETA) (FMEA) (STPA) An understanding of the principles and requirements of IEC 61508 and/or IEC 61511 for complex Software and Hardware Safety Instrumented Systems Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Safety Environmental team: As the Senior Engineer - Product Safety the primary duties for this role will be heavily focussed on the safety during the product design process. You will undertake analysis and provide outputs to the Principal Engineers where they can provide assistance to develop designs further. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 22nd January 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.

BMS Lead London (Projects across Germany, UK & wider Europe) 80,000 - 90,000 + Package + Travel + Bonus + Accommodation + Holidays + Long-Term Progression + Pension + Immediate Start An excellent opportunity for a senior BMS / Controls professional to step into a lead role with a rapidly growing, market-leading contractor delivering mission-critical projects across Europe. This role is suited to someone who has operated at the interface between main contractor, client, MEP teams, and BMS vendors, and is comfortable owning the BMS strategy, delivery, and commissioning across complex, high-value projects. You'll be joining a business with a strong pipeline of data centre, pharmaceutical, industrial, and high-tech builds across Germany, the UK, and the EU. The position offers long-term security, exposure to flagship projects, and clear progression into regional / EMEA leadership. This is a site-led, delivery-focused role - not a desk-based controls position. The successful candidate must be willing to travel and stay away as projects require. The Role will include: Taking full ownership of the BMS / Controls / EPMS package from design through construction, commissioning, and handover Acting as the technical authority for BMS across one or multiple projects Managing and coordinating BMS subcontractors, system integrators, and vendors Reviewing BMS and M&E design information to ensure buildability, compliance, and programme alignment Leading technical discussions with consultants, client teams, and internal delivery teams Managing RFIs, design queries, change control, and technical risk Ensuring full integration of BMS with M&E systems (HVAC, electrical, life safety, EPMS, etc.) Overseeing QA/QC, inspections, snagging, and documentation As a BMS Lead, You will Have: Strong BMS / Controls background with proven site delivery experience Experience working on data centres, pharma, industrial, or other mission-critical projects Background from a main contractor, MEP contractor, BMS vendor, or specialist integrator Comfortable managing multiple stakeholders and holding authority on technical matters Willingness to be site-based and travel / stay away as projects require Strong communication, coordination, and leadership skills EU right to work preferred Also Considered Senior BMS Project Managers / Automation Leads looking to step into a broader EMEA role Vendor-side Principal / Lead BMS Engineers seeking a move client- or contractor-side High-end BMS Package Managers with leadership stretch

Job Title: Senior Product Compliance Engineer Location: Barrow-in-Furness, Brough, Filton, Frimley, Portsmouth, Weymouth or Manchester - we offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: Attending and reporting to Daily Stand-Up Meetings (DSUM) Design activities including but not limited to supporting rick reduction/ analysis and identification Applying a systems engineering approach to safety products including Working within a centralised modelling tool Working within a small safety team environment Supporting non-safety experienced member of the wider team to achieve desirable safety outcomes Supporting and preparing safety assessments as required to support system design and development Supporting the preparation of Design Safety Justification supporting inputs Providing Safety SME to product design and gate reviews Supporting the development and maintenance of a healthy product Safety Culture within the team and wider business Your skills and experiences: STEM degree (ideally with Product Safety experience within a regulated industry) Familiarity with UK Defence Standard and publications such as Defence Standard 00-56, Defence Standard 00-55, DSA-01, DSA-02 Familiarity with safety analysis techniques such as: (FHA) (FTA) (ETA) (FMEA) (STPA) An understanding of the principles and requirements of IEC 61508 and/or IEC 61511 for complex Software and Hardware Safety Instrumented Systems Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Safety Environmental team: As the Senior Engineer - Product Safety the primary duties for this role will be heavily focussed on the safety during the product design process. You will undertake analysis and provide outputs to the Principal Engineers where they can provide assistance to develop designs further. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 22nd January 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 Radiation Physicist Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive What you'll be doing: Supervising and conducting analysis and experiments to support system qualification Supporting progression of design optimisation Producing and reviewing radiological safety justifications for proposed design solutions Direct development of in-house toolsets in support of the department goals Leading detailed shield design, balancing build requirements alongside system performance requirements Your skills and experiences: Essential: Relevant STEM degree in Physics/Mathematics/Chemistry/Nuclear Engineering Demonstrable experience of radiation transport codes such as MCNP/MCBEND/Attilla Understanding of radiation physics Experience of radiation safety studies & behaviours Experience of radiation metrology Knowledge of the ALARP principle Desirable: Experience of managing technical projects Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Radiation Physics & Shielding team Our team is responsible for the design and validation of radiation shielding for the UK's nuclear powered submarine fleet. We are engaged across three different submarine programmes in different stages of the engineering lifecycle designing new shields, providing design change assessment into the build programme, and conducting radiation metrology on-board during commissioning. Alongside our primary work we conduct radiological safety studies for several other areas, design novel radiation detectors and are developing capability in the field of radiation damage to electronics. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 20th January 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 - Nuclear Substantiation (Site) Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: £60,000 + depending on experience What you'll be doing: Authoring and managing nuclear site assets' design substantiation documentation supporting the site nuclear safety case Reviewing analyses , assessments, and calculations supporting nuclear design substantiation Supporting periodic review of safety Taking ownership of deliverables, and demonstrating high levels of autonomy and leadership Supporting the implementation of design substantiation requirements Working closely with a broad range of stakeholders including Site Safety Case, Human Factors, and Engineering Authority Teams Support in the development of other Nuclear Substantiation team members Collaborating with the wider business on site assets nuclear design substantiation related activities Your skills and experiences: Essential: Experience of the nuclear industry and nuclear safety regulations Degree qualified in a STEM subject or equivalent working experience. Ability to produce high quality technical reports Determined in driving all deliverable and associated activities through due process to completion Excellent stakeholder management Desirable: Broad understanding of multiple engineering disciplines Chartered Engineer from the Engineering Council and a member of a relevant professional body Nuclear design substantiation analysis and assessment exposure/experience Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Site Engineering - Nuclear Substantiation team: You will be joining a key team with some great development opportunities both in the technical and managerial streams. Native to the team, there are opportunities to get involved in the design substantiation and safety justification of a variety of site assets and facilities spanning mechanical, civil and structural, and electrical, in addition to getting in involved in finite element analysis and simulation using the latest cutting-edge tools and techniques. This also involves regular interaction and joint working with the Engineering Authority, Site Specialist Engineers, Site Safety Case, Human Factors, as well as Boat Services and Boat Build functions delivering an exceptionally varied and diverse scope. This interaction offers plenty of development opportunities both in terms of formal secondments and informal extended collaboration to suite you and your career aspirations. This could be an exciting and fulfilling opportunity waiting for you at the Nuclear Substantiation and Analysis team - SEA (DDC) at BAE Systems. Apply today to see how far you can go. We offer relocation support packages across all Submarine roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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 January 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 Radiation Physicist Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive What you'll be doing: Supervising and conducting analysis and experiments to support system qualification Supporting progression of design optimisation Producing and reviewing radiological safety justifications for proposed design solutions Direct development of in-house toolsets in support of the department goals Leading detailed shield design, balancing build requirements alongside system performance requirements Your skills and experiences: Essential: Relevant STEM degree in Physics/Mathematics/Chemistry/Nuclear Engineering Demonstrable experience of radiation transport codes such as MCNP/MCBEND/Attilla Understanding of radiation physics Experience of radiation safety studies & behaviours Experience of radiation metrology Knowledge of the ALARP principle Desirable: Experience of managing technical projects Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Radiation Physics & Shielding team Our team is responsible for the design and validation of radiation shielding for the UK's nuclear powered submarine fleet. We are engaged across three different submarine programmes in different stages of the engineering lifecycle designing new shields, providing design change assessment into the build programme, and conducting radiation metrology on-board during commissioning. Alongside our primary work we conduct radiological safety studies for several other areas, design novel radiation detectors and are developing capability in the field of radiation damage to electronics. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 20th January 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 Manufacturing Engineer - Infrastructure Location: Barrow-in-Furness (On-site) Salary: Competitive What you'll be doing : Convert industrial capability concepts, infrastructure needs and technology plans into defined requirement strategies and business cases Manage delivery of allocated scope, including planning and scheduling work packages in line with annual and quarterly milestones for future facility development Define and develop facility and infrastructure requirements in collaboration with the Senior Requirements Manager, supporting implementation of a new Production Line Operating Model using RIBA LCM Contribute to the development of future manufacturing processes by creating process maps, analysing data, resolving technical queries and providing measurable improvements Support the evolution of submarine build methods while maintaining an understanding of existing production practices Build and maintain effective working relationships with facility owners, senior leadership, subject matter experts and key stakeholders across internal and external organisations Translate engineering design intent into manufacturing engineering outputs to support facility capability development, ensuring documentation accuracy and compliance Your skills and experiences: HNC/D or equivalent in Construction, Engineering or Project Management Knowledge of submarine operations/trade domains (Coatings, Build, Test & Commissioning), Engineering, or Infrastructure/Facility Management is advantageous Stakeholder management and submarine sector networking experience desirable Experience managing complex projects, programmes or portfolios; AutoCAD and SolidWorks skills beneficial Background in engineering or project oversight on major facilities, including configuration and systems management Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Build & Test (SSNA Infrastructure) team: As a Principal Manufacturing Engineer, you will work with a team delivering complex , cross-discipline manufacturing projects, ensuring methods of manufacture, assembly, and repair meet safety, quality, cost, and delivery targets throughout the product lifecycle. You'll apply your expertise to ensure design intent is achieved in operations, manage resources to support project delivery, and balance stakeholder demands across Manufacturing Operations and Programme teams. This is a key leadership role focussed on driving capability, compliance, and operational excellence. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 13th January 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.