15 jobs found

Principal Software Engineer Portsmouth Hybrid, 3 days onsite 75,000- 85,000 plus bonus and benefits Want to work on groundbreaking projects within the defence industry? Are you a hands-on technical leader with strong C++ and Unreal Engine expertise and want to work at the forefront of complex, performance-critical software delivery within defence? The role combines advanced engineering with genuine technical authority, shaping how simulation-driven and autonomy-focused systems are designed, built and evolved. The position sits within a fast-growing software and data science consultancy delivering end-to-end solutions in the defence industry. You will work closely with subject matter experts and senior stakeholders on high-impact programmes spanning modelling and simulation, autonomy, geospatial systems, synthetic environments and digital twins. This is a true principal-level role. You will remain deeply technical while setting direction, leading teams and acting as the technical authority across projects. What you will be doing Leading the design and delivery of complex software solutions using C++ and Unreal Engine Acting as technical lead across modelling and simulation, wargaming and autonomous systems Applying mathematical and computational techniques to solve real-world problems Owning key technical decisions across architecture, tooling and performance Mentoring engineers and enabling high-performing delivery teams Delivering technical consultancy engagements and leading selected projects Building trusted relationships with customers and stakeholders Supporting bids, proposals and technical reporting What you will bring Extensive experience, typically 15+ years, delivering high-performance software Proven technical leadership at Principal or Technical Lead level Strong hands-on expertise in C++ and Unreal Engine Background in simulation, autonomy, robotics or game-engine-driven environments Experience working with large, complex codebases and performance constraints Strong stakeholder management, communication and influencing skills What's on offer Salary up to 85,000, flexible for exceptional technical leaders 7% employer pension contribution Vitality private healthcare 25 days holiday with the option to buy or sell additional days Life assurance EV salary sacrifice scheme Discretionary bonus linked to company performance Structured mentoring and ongoing technical development

Principal Systems Engineer Modelling & Simulation Motorsport & High-Performance Vehicles We are working with a leading engineering organisation at the forefront of motorsport and high-performance vehicle technology to appoint a Principal Systems Engineer Modelling & Simulation. This role sits at the highest level of technical contribution (equivalent to Staff Engineer level globally). It offers the opportunity to define modelling strategy, lead complex system development, and directly influence next-generation electrohydraulic technologies. The Opportunity This is a senior, hands-on technical leadership role focused on model-based design, simulation capability, and system performance. You ll work across the full lifecycle from concept development and requirements definition through to integration, validation, and customer delivery. You will play a key role in both new product development and strategic growth initiatives, acting as a technical authority internally and with customers. Key Responsibilities Lead the development and deployment of advanced modelling and simulation tools, supporting system design, customer prototyping, and strategic growth initiatives Own and evolve simulation capability, maintaining, updating, and validating modelling tools to ensure accuracy and scalability Conduct detailed performance analysis using MATLAB/Simulink, driving engineering decisions through model-based insights Develop simulation and sizing tools to support system architecture and component selection Act as a technical lead in customer engagements, leveraging model-based design to define and deliver engineering solutions Translate customer requirements into robust engineering specifications through: Functional analysis Trade studies Requirements allocation and interface definition Lead system and subsystem integration and testing, including anomaly investigation and root cause analysis Define and drive Verification & Validation (V&V) strategies across product and system development Conduct failure analysis, implementing effective corrective actions to improve reliability and performance What We re Looking For Strong expertise in hydraulic systems and classical control theory Advanced capability in MATLAB/Simulink, including performance modelling and analysis Proven experience developing simulation and/or sizing tools Demonstrated ability to build and deploy model-based engineering environments Experience leading system integration, V&V, and customer-facing technical activities Background & Experience Degree in Electrical, Mechanical, Aerospace, or Systems Engineering (Master s preferred) 10+ years experience in a progressive engineering environment Proven experience in technical leadership and cross-functional engineering delivery Working knowledge of CFD, FEA, or magnetic analysis is advantageous Familiarity with servovalve design is beneficial Why This Role? Influence cutting-edge motorsport and high-performance vehicle technologies Own and shape the modelling and simulation strategy Work at a level of true technical authority without moving into management Combine deep technical work with customer impact and innovation

Principal Systems Engineer Modelling & Simulation Motorsport & High-Performance Vehicles We are working with a leading engineering organisation at the forefront of motorsport and high-performance vehicle technology to appoint a Principal Systems Engineer Modelling & Simulation. This role sits at the highest level of technical contribution (equivalent to Staff Engineer level globally) and offers click apply for full job details

Principal Electronics Engineer Southampton or Bristol 6-month contract Paying up to 65p/h (Inside IR35) Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance - please only apply if suitable Overview Primary focus on the design and development of digital processing electronics and support to RF and analogue power circuitry for complex laboratory and aircraft sensor systems. You will work across a range of projects throughout various stages of the product lifecycle, from initial concept development through to early life production and field support. Key Responsibilities: Design and development of mixed-technology electronic designs comprising of one or more Microcontrollers, CPLD and/or FPGA devices interfacing with RF and analogue circuits. Implementation of digital interfaces such as Ethernet, CAN, I2C, SPI and RS422 alongside high-speed optical fibre and Ethernet interfaces. Design and development of power and control boards requiring high safety ratings and designed for DO-160 qualification. The role will focus on being the technical focal point for supporting our active and future airborne communication designs, including occasional customer and wider supply chain liaison. Required Skillset & Experience Analogue circuit design experience with knowledge/hands-on experience of op-amps, ADC?s and DAC driven reference supplies. RF circuit design experience with knowledge/hands-on experience of RF amplifiers, multiplexors and signal conditioning. Experience in providing support to embedded software and firmware teams. Experience in peer reviewing designs and support to system architects/system integration activities. Working knowledge of requirements management and design within DO-254. Experience in digital circuit design using FPGA's, Microcontrollers and DDR/Flash memories. Experience in circuit design modelling and simulation tools. Experience in generating concise technical reports detailing design solutions, implementation rationale and test reports. Experience of following a design lifecycle process, such as participating in design reviews, which come with working in a high-technology defence environment. Practical hands-on experience of high-speed digital hardware circuit design, including schematic entry, component selection and generation of supporting design documentation. Experience of PCB prototyping, commissioning and fault-finding using electronic test and measurement equipment within an engineering laboratory environment. A Degree in a relevant engineering or scientific discipline (Electronics Engineering preferred). Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.

Job Title: Principal Systems Engineer - Software/Simulation Location: Portsmouth - Broad Oak - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent 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. Role Description: As a Principal Systems Engineer within the MIMESIS team, you will have technical responsibility for the design and development of new modules/content for the product, reviewing and approving lower level documentation. You will also provide technical guidance to the engineering team, working closely with System Design Authority, to develop and support MIMESIS for our customers. This is an exciting and unique opportunity to join a growing team of approximately 30 systems and software engineers, working to shape the next generation of maritime simulation through the adoption of new user interface capabilities such as AR/XR and leveraging the capabilities of emerging technologies such as AI. Core Duties: Provide hands-on technical leadership with a team of systems and software engineers, and directly support the product System Design Authority Apply the principles of Systems Engineering to develop software-based Simulation Systems across the full engineering lifecycle Undertake Simulation Systems equipment design, network design and software design Lead requirement decomposition and manage specifications using tools like IBM DOORS Next Direct architectural modelling and interface definitions in tools such as CATIA Magic (Cameo) Drive system integration and define acceptance strategies for software-based systems Lead technical reviews and ensure compliance with customer, legislative & business requirements Essential Skills: You'll have demonstrable experience in the application of Systems Engineering for software-based products You'll hold expertise in Systems Engineering and Software integration lifecycle principles (ISO 15288 and 12207) You'll have a strong background in requirements management (e.g., IBM DOORS Next - desirable) You'll be familiar with engineering lifecycle models (Waterfall & Agile) and tools (e.g., JIRA) You'll have a background in software development and integration You'll have technical leadership experience and the ability to guide teams across disciplines to shape design solutions 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. MIMESIS Product team: You will join our Simulation and Training sector at Broad Oak Works Portsmouth, part of BAE Systems Maritime and Land working on our MIMESIS product. MIMESIS provides a battlespace simulation of the maritime world; from terrain and seabed, to weather and underwater acoustics, accurately modelling the movement and behaviour of ships, submarines and other platforms, and digitally replicating their unique capabilities (sonars, radars, weapons). 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 29th May 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 Systems Engineer - Software/Simulation Location: Portsmouth - Broad Oak - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent 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. Role Description: As a Principal Systems Engineer within the MIMESIS team, you will have technical responsibility for the design and development of new modules/content for the product, reviewing and approving lower level documentation. You will also provide technical guidance to the engineering team, working closely with System Design Authority, to develop and support MIMESIS for our customers. This is an exciting and unique opportunity to join a growing team of approximately 30 systems and software engineers, working to shape the next generation of maritime simulation through the adoption of new user interface capabilities such as AR/XR and leveraging the capabilities of emerging technologies such as AI. Core Duties: Provide hands-on technical leadership with a team of systems and software engineers, and directly support the product System Design Authority Apply the principles of Systems Engineering to develop software-based Simulation Systems across the full engineering lifecycle Undertake Simulation Systems equipment design, network design and software design Lead requirement decomposition and manage specifications using tools like IBM DOORS Next Direct architectural modelling and interface definitions in tools such as CATIA Magic (Cameo) Drive system integration and define acceptance strategies for software-based systems Lead technical reviews and ensure compliance with customer, legislative & business requirements Essential Skills: You'll have demonstrable experience in the application of Systems Engineering for software-based products You'll hold expertise in Systems Engineering and Software integration lifecycle principles (ISO 15288 and 12207) You'll have a strong background in requirements management (e.g., IBM DOORS Next - desirable) You'll be familiar with engineering lifecycle models (Waterfall & Agile) and tools (e.g., JIRA) You'll have a background in software development and integration You'll have technical leadership experience and the ability to guide teams across disciplines to shape design solutions 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. MIMESIS Product team: You will join our Simulation and Training sector at Broad Oak Works Portsmouth, part of BAE Systems Maritime and Land working on our MIMESIS product. MIMESIS provides a battlespace simulation of the maritime world; from terrain and seabed, to weather and underwater acoustics, accurately modelling the movement and behaviour of ships, submarines and other platforms, and digitally replicating their unique capabilities (sonars, radars, weapons). 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 29th May 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 Systems Engineer - Software/Simulation Location: Portsmouth - Broad Oak - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent 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. Role Description: As a Principal Systems Engineer within the MIMESIS team, you will have technical responsibility for the design and development of new modules/content for the product, reviewing and approving lower level documentation. You will also provide technical guidance to the engineering team, working closely with System Design Authority, to develop and support MIMESIS for our customers. This is an exciting and unique opportunity to join a growing team of approximately 30 systems and software engineers, working to shape the next generation of maritime simulation through the adoption of new user interface capabilities such as AR/XR and leveraging the capabilities of emerging technologies such as AI. Core Duties: Provide hands-on technical leadership with a team of systems and software engineers, and directly support the product System Design Authority Apply the principles of Systems Engineering to develop software-based Simulation Systems across the full engineering lifecycle Undertake Simulation Systems equipment design, network design and software design Lead requirement decomposition and manage specifications using tools like IBM DOORS Next Direct architectural modelling and interface definitions in tools such as CATIA Magic (Cameo) Drive system integration and define acceptance strategies for software-based systems Lead technical reviews and ensure compliance with customer, legislative & business requirements Essential Skills: You'll have demonstrable experience in the application of Systems Engineering for software-based products You'll hold expertise in Systems Engineering and Software integration lifecycle principles (ISO 15288 and 12207) You'll have a strong background in requirements management (e.g., IBM DOORS Next - desirable) You'll be familiar with engineering lifecycle models (Waterfall & Agile) and tools (e.g., JIRA) You'll have a background in software development and integration You'll have technical leadership experience and the ability to guide teams across disciplines to shape design solutions 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. MIMESIS Product team: You will join our Simulation and Training sector at Broad Oak Works Portsmouth, part of BAE Systems Maritime and Land working on our MIMESIS product. MIMESIS provides a battlespace simulation of the maritime world; from terrain and seabed, to weather and underwater acoustics, accurately modelling the movement and behaviour of ships, submarines and other platforms, and digitally replicating their unique capabilities (sonars, radars, weapons). 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 29th May 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 Systems Engineer - Software/Simulation Location: Portsmouth - Broad Oak - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent 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. Role Description: As a Principal Systems Engineer within the MIMESIS team, you will have technical responsibility for the design and development of new modules/content for the product, reviewing and approving lower level documentation. You will also provide technical guidance to the engineering team, working closely with System Design Authority, to develop and support MIMESIS for our customers. This is an exciting and unique opportunity to join a growing team of approximately 30 systems and software engineers, working to shape the next generation of maritime simulation through the adoption of new user interface capabilities such as AR/XR and leveraging the capabilities of emerging technologies such as AI. Core Duties: Provide hands-on technical leadership with a team of systems and software engineers, and directly support the product System Design Authority Apply the principles of Systems Engineering to develop software-based Simulation Systems across the full engineering lifecycle Undertake Simulation Systems equipment design, network design and software design Lead requirement decomposition and manage specifications using tools like IBM DOORS Next Direct architectural modelling and interface definitions in tools such as CATIA Magic (Cameo) Drive system integration and define acceptance strategies for software-based systems Lead technical reviews and ensure compliance with customer, legislative & business requirements Essential Skills: You'll have demonstrable experience in the application of Systems Engineering for software-based products You'll hold expertise in Systems Engineering and Software integration lifecycle principles (ISO 15288 and 12207) You'll have a strong background in requirements management (e.g., IBM DOORS Next - desirable) You'll be familiar with engineering lifecycle models (Waterfall & Agile) and tools (e.g., JIRA) You'll have a background in software development and integration You'll have technical leadership experience and the ability to guide teams across disciplines to shape design solutions 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. MIMESIS Product team: You will join our Simulation and Training sector at Broad Oak Works Portsmouth, part of BAE Systems Maritime and Land working on our MIMESIS product. MIMESIS provides a battlespace simulation of the maritime world; from terrain and seabed, to weather and underwater acoustics, accurately modelling the movement and behaviour of ships, submarines and other platforms, and digitally replicating their unique capabilities (sonars, radars, weapons). 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 29th May 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 Systems Engineer - Software/Simulation Location: Portsmouth - Broad Oak - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent 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. Role Description: As a Principal Systems Engineer within the MIMESIS team, you will have technical responsibility for the design and development of new modules/content for the product, reviewing and approving lower level documentation. You will also provide technical guidance to the engineering team, working closely with System Design Authority, to develop and support MIMESIS for our customers. This is an exciting and unique opportunity to join a growing team of approximately 30 systems and software engineers, working to shape the next generation of maritime simulation through the adoption of new user interface capabilities such as AR/XR and leveraging the capabilities of emerging technologies such as AI. Core Duties: Provide hands-on technical leadership with a team of systems and software engineers, and directly support the product System Design Authority Apply the principles of Systems Engineering to develop software-based Simulation Systems across the full engineering lifecycle Undertake Simulation Systems equipment design, network design and software design Lead requirement decomposition and manage specifications using tools like IBM DOORS Next Direct architectural modelling and interface definitions in tools such as CATIA Magic (Cameo) Drive system integration and define acceptance strategies for software-based systems Lead technical reviews and ensure compliance with customer, legislative & business requirements Essential Skills: You'll have demonstrable experience in the application of Systems Engineering for software-based products You'll hold expertise in Systems Engineering and Software integration lifecycle principles (ISO 15288 and 12207) You'll have a strong background in requirements management (e.g., IBM DOORS Next - desirable) You'll be familiar with engineering lifecycle models (Waterfall & Agile) and tools (e.g., JIRA) You'll have a background in software development and integration You'll have technical leadership experience and the ability to guide teams across disciplines to shape design solutions 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. MIMESIS Product team: You will join our Simulation and Training sector at Broad Oak Works Portsmouth, part of BAE Systems Maritime and Land working on our MIMESIS product. MIMESIS provides a battlespace simulation of the maritime world; from terrain and seabed, to weather and underwater acoustics, accurately modelling the movement and behaviour of ships, submarines and other platforms, and digitally replicating their unique capabilities (sonars, radars, weapons). 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 29th May 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 Systems Engineer - Software/Simulation Location: Portsmouth - Broad Oak - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent 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. Role Description: As a Principal Systems Engineer within the MIMESIS team, you will have technical responsibility for the design and development of new modules/content for the product, reviewing and approving lower level documentation. You will also provide technical guidance to the engineering team, working closely with System Design Authority, to develop and support MIMESIS for our customers. This is an exciting and unique opportunity to join a growing team of approximately 30 systems and software engineers, working to shape the next generation of maritime simulation through the adoption of new user interface capabilities such as AR/XR and leveraging the capabilities of emerging technologies such as AI. Core Duties: Provide hands-on technical leadership with a team of systems and software engineers, and directly support the product System Design Authority Apply the principles of Systems Engineering to develop software-based Simulation Systems across the full engineering lifecycle Undertake Simulation Systems equipment design, network design and software design Lead requirement decomposition and manage specifications using tools like IBM DOORS Next Direct architectural modelling and interface definitions in tools such as CATIA Magic (Cameo) Drive system integration and define acceptance strategies for software-based systems Lead technical reviews and ensure compliance with customer, legislative & business requirements Essential Skills: You'll have demonstrable experience in the application of Systems Engineering for software-based products You'll hold expertise in Systems Engineering and Software integration lifecycle principles (ISO 15288 and 12207) You'll have a strong background in requirements management (e.g., IBM DOORS Next - desirable) You'll be familiar with engineering lifecycle models (Waterfall & Agile) and tools (e.g., JIRA) You'll have a background in software development and integration You'll have technical leadership experience and the ability to guide teams across disciplines to shape design solutions 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. MIMESIS Product team: You will join our Simulation and Training sector at Broad Oak Works Portsmouth, part of BAE Systems Maritime and Land working on our MIMESIS product. MIMESIS provides a battlespace simulation of the maritime world; from terrain and seabed, to weather and underwater acoustics, accurately modelling the movement and behaviour of ships, submarines and other platforms, and digitally replicating their unique capabilities (sonars, radars, weapons). 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 29th May 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 Systems Engineer - Software/Simulation Location: Portsmouth - Broad Oak - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent 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. Role Description: As a Principal Systems Engineer within the MIMESIS team, you will have technical responsibility for the design and development of new modules/content for the product, reviewing and approving lower level documentation. You will also provide technical guidance to the engineering team, working closely with System Design Authority, to develop and support MIMESIS for our customers. This is an exciting and unique opportunity to join a growing team of approximately 30 systems and software engineers, working to shape the next generation of maritime simulation through the adoption of new user interface capabilities such as AR/XR and leveraging the capabilities of emerging technologies such as AI. Core Duties: Provide hands-on technical leadership with a team of systems and software engineers, and directly support the product System Design Authority Apply the principles of Systems Engineering to develop software-based Simulation Systems across the full engineering lifecycle Undertake Simulation Systems equipment design, network design and software design Lead requirement decomposition and manage specifications using tools like IBM DOORS Next Direct architectural modelling and interface definitions in tools such as CATIA Magic (Cameo) Drive system integration and define acceptance strategies for software-based systems Lead technical reviews and ensure compliance with customer, legislative & business requirements Essential Skills: You'll have demonstrable experience in the application of Systems Engineering for software-based products You'll hold expertise in Systems Engineering and Software integration lifecycle principles (ISO 15288 and 12207) You'll have a strong background in requirements management (e.g., IBM DOORS Next - desirable) You'll be familiar with engineering lifecycle models (Waterfall & Agile) and tools (e.g., JIRA) You'll have a background in software development and integration You'll have technical leadership experience and the ability to guide teams across disciplines to shape design solutions 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. MIMESIS Product team: You will join our Simulation and Training sector at Broad Oak Works Portsmouth, part of BAE Systems Maritime and Land working on our MIMESIS product. MIMESIS provides a battlespace simulation of the maritime world; from terrain and seabed, to weather and underwater acoustics, accurately modelling the movement and behaviour of ships, submarines and other platforms, and digitally replicating their unique capabilities (sonars, radars, weapons). 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 29th May 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.

Principal Systems Engineer(Software/Simulation) Portsmouth-Broad Oak Up to 75k% Bonus My client a multinational Aerospace & Defence organisation are looking for a Principal Systems Engineer to join their team working on a hybrid basis. You will join the clients Simulation and Training sector at Broad Oak Works Portsmouth, part of the Maritime and Land Defence Solutions business, working on the MIMESIS product. As a System Technical Lead within the MIMESIS team, you will have technical responsibility for the design and development of new modules/content for the product, reviewing and approving lower level documentation. You will also provide technical guidance to the engineering team, working closely with System Design Authority, to develop and support MIMESIS for their customers. What you'll be doing: Provide hands-on technical leadership with a team of systems and software engineers, and directly support the product System Design Authority Apply the principles of Systems Engineering to develop software-based Simulation Systems across the full engineering lifecycle Undertake Simulation Systems equipment design, network design and software design Lead requirement decomposition and manage specifications using tools like IBM DOORS Next Direct architectural modelling and interface definitions in tools such as CATIA Magic (Cameo) Drive system integration and define acceptance strategies for software-based systems Lead technical reviews and ensure compliance with customer, legislative & business requirements Your skills and experiences: Demonstrable experience of the application of Systems Engineering for software-based products Model Based Systems Engineering(MBSE) - (Highly desirable) Expertise in Systems Engineering and Software integration lifecycle principles (ISO 15288 and 12207) Strong background in requirements management (e.g., IBM DOORS Next - desirable) Familiarity with engineering lifecycle models (Waterfall & Agile) and tools (e.g. JIRA) Background in software development and integration Technical leadership and ability to guide teams across disciplines to shape design solutions Ideally from a Defence background To apply for this role please forward your CV to Peter Bibby on the email address below

Job Title: Safety, Internal Flow and Hazards Engineer (CFD) 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: £45,628+ dependent on skills and experience What you'll be doing Undertaking technical work on all aspects of CFD (computational fluid dynamics) simulations, including pre-processing (CAD modelling and meshing), applying and developing CFD models, solving analysis , post processing and authoring technical reports/presentations Supporting with team meetings and providing technical guidance and support Reviewing technical pieces of work Supporting with capability developments and establishing both processes and methods Having involvement within various CFD toolset research and development activities Your skills and experiences Essential: Hold a degree in Mechanical, Chemical, Aeronautical Engineering, Mathematics, Physics or have equivalent experience Have good experience of working within a highly regulated/high hazard industry Be proficient with using at least one CFD software package such as Ansys Fluent or StarCCM+ Desirable: An awareness of Safety case development Experience in using at least one, OpenFOAM or FDS (fire dynamics simulator) Be a chartered engineer or working towards/ability to achieve Have experience of programming in a high-level language (e.g. VBA) Experience in Ansys Fluent UDF's (user defined function) and/or Java for Siemens Star CCM+ 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 Internal Flow and Hazards team As a Principal Engineer within the Internal Flow and Hazards team, you will be supporting a wide number of customers throughout all submarine programmes. Typically, within the whole boat design team, the CFD models are based on consequence analysis and include fire, steam release, water-based fire suppression systems, thermal analysis , flammable and toxic gas dispersion You will have opportunities to gain and grow a professional career progression towards Consultancy or Management roles. The team supports multiple submarine programs including site and facilities and as such there is opportunities to work on different programmes and projects. 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 October 2025 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 - Communications Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Competitive What you'll be doing: Leading the design and delivery of communications and audio systems for naval vessels, including defining system requirements and design standards to develop effective technical solutions Developing comprehensive technical documentation, including specifications, user manuals, and design calculations, to ensure alignment with performance requirements Defining testing protocols and providing on-site support for dockside installation and system commissioning activities Evaluating test and qualification results for compliance with technical requirements and presenting finding to both internal stakeholders and external clients Conducting technical development studies to verify and validate that system designs meet specified requirements Contributing technical expertise to engineering and project teams, supporting accurate cost estimation, technical risk assessments, and mitigation strategies Supporting Factory Acceptance Testing of system equipment at supplier facilities, as required Your skills and experiences: Essential: BEng/BSc and/or MEng/MSc degree or equivalent in a relevant field such as, or equivalent experience in: Communications Engineering; Electrical Engineering, Telecommunications, Electronic Engineering, Acoustics / Audio Engineering / Audio Technology, Technical Report writing skills A detailed understanding of at least of one of the following disciplines: Design and deployment of Voice Over IP (VOIP) networks; Deployment of Private Branch Exchange systems, Acoustics Modelling and Simulation, Speech Quality Analysis, Design of Public Address or Voice Alarm or Installed Sound Systems, Design of audio distribution systems, Design of trunked radio systems, Design of military tactical communications systems, Design of communications systems for safety critical applications, Design and installation of electrical equipment in explosive atmospheres Proven track record of system or equipment design Desirable: CEng (or be able to work towards satisfying requirements for Chartership) with an accredited institution Knowledge and experience in defence standards Knowledge and experience of classification society rules, International and UK marine equipment legislation 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 Submarine Communications team: As a Principal Engineer - Communications, you will collaborate with the internal communications design team to undertake a variety of design activities related to data networks, communication systems, and associated equipment for Submarine platforms. This position offers significant exposure across the organisation, providing the opportunity to engage with a broad range of stakeholders at all levels. It presents excellent prospects for professional development, both in advancing technical expertise (e.g. toward Consultant Engineer roles) and in progressing into engineering leadership positions. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you will 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 leave 5 to 10 years of continuous residency in the UK depending in the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 14 th October 2025 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 - Communications Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Competitive What you'll be doing: Leading the design and delivery of communications and audio systems for naval vessels, including defining system requirements and design standards to develop effective technical solutions Developing comprehensive technical documentation, including specifications, user manuals, and design calculations, to ensure alignment with performance requirements Defining testing protocols and providing on-site support for dockside installation and system commissioning activities Evaluating test and qualification results for compliance with technical requirements and presenting finding to both internal stakeholders and external clients Conducting technical development studies to verify and validate that system designs meet specified requirements Contributing technical expertise to engineering and project teams, supporting accurate cost estimation, technical risk assessments, and mitigation strategies Supporting Factory Acceptance Testing of system equipment at supplier facilities, as required Your skills and experiences: Essential: BEng/BSc and/or MEng/MSc degree or equivalent in a relevant field such as, or equivalent experience in: Communications Engineering; Electrical Engineering, Telecommunications, Electronic Engineering, Acoustics / Audio Engineering / Audio Technology, Technical Report writing skills A detailed understanding of at least of one of the following disciplines: Design and deployment of Voice Over IP (VOIP) networks; Deployment of Private Branch Exchange systems, Acoustics Modelling and Simulation, Speech Quality Analysis, Design of Public Address or Voice Alarm or Installed Sound Systems, Design of audio distribution systems, Design of trunked radio systems, Design of military tactical communications systems, Design of communications systems for safety critical applications, Design and installation of electrical equipment in explosive atmospheres Proven track record of system or equipment design Desirable: CEng (or be able to work towards satisfying requirements for Chartership) with an accredited institution Knowledge and experience in defence standards Knowledge and experience of classification society rules, International and UK marine equipment legislation 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 Submarine Communications team: As a Principal Engineer - Communications, you will collaborate with the internal communications design team to undertake a variety of design activities related to data networks, communication systems, and associated equipment for Submarine platforms. This position offers significant exposure across the organisation, providing the opportunity to engage with a broad range of stakeholders at all levels. It presents excellent prospects for professional development, both in advancing technical expertise (e.g. toward Consultant Engineer roles) and in progressing into engineering leadership positions. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you will 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 leave 5 to 10 years of continuous residency in the UK depending in the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 14 th October 2025 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.