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Job Title: Principal Engineer - Support Engineering Location: Barrow-in-Furness, Filton, Brough OR Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Negotiable dependant on experience What you'll be doing: Assist the Senior Engineering Manager in delivering effective ILS outputs for the Strategic Weapon System Support (SWSS) solution Provide expert support knowledge in responding to engineering queries from the MOD or Submarine Enterprise partners about the design, safety, maintenance, and operation of equipment and systems on in-service submarines Offer expert advice on equipment in line with current governance processes, in response to engineering queries from the MOD Design Authority Deliver support to the appropriate Engineering and Support Managers in the preparation of briefs and reports for both internal Provide technical support for creating the maintenance plan, ensuring it meets Design Authority requirements, and contribute to work aimed at reducing duration, including related risks and issues and external reporting requirements Provision of SWSS technical information from previously published sources where still available Your skills and experiences Knowledge of DN Class Platform / SWSS (Strategic Weapon System Support), operation, maintenance and training Strategic Weapon System (SWS) qualification Knowledge of MOD Defence Equipment & Support (DE&S) and Submarine Delivery Agency (SDA) processes Knowledge of the complete engineering lifecycle with some experience of operating in a number of phases Strong awareness of Product Safety & Environmental policies and SHE 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 Datum Pack team This specialist role works closely with the Product Configuration team, particularly in relation to managing the Datum Pack, which is just one part of their responsibilities. This SQEP technical advisory role will collaborate directly with the technical delivery teams who manage and organize product-related items, providing them with authoritative guidance and technical assurance. You will become part of a rapidly growing team focused on support and supportability within a fast-paced and continuously evolving environment. The role requires sharpness and adaptability to effectively meet the demands of this challenging setting. 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.

Job Title: Principal Systems Engineer Location: Isle of Wight - Cowes, Chelmsford - Great Baddow or Portsmouth - BroadOak Salary: Up to £75,900 commensurate with skills and experience. Part time & accruing hours available. Part time & accruing hours available' Please let us know if you would like to discuss these options. Put yourself into a dynamic Principal Systems Engineering role at the forefront of real world demands in the defence industry. Alongside ensuring operational excellence for our existing products, there will be the opportunity to develop next generation radar products to counter emerging threats and contribution to our strategy for new technology. Your new day-to-day will be exciting and diverse by applying the principles of Systems Engineering across the entire engineering development lifecycle as you join in developing radar systems used by those who serve and protect us. What you'll be doing: Developing novel solutions to evolving technical challenges and emerging issues for complex Radar Systems that our customers and end-user communities are facing Applying a breadth of knowledge, skills and experience of Systems Engineering principles, techniques and governance to steer and develop technical solutions and resolve engineering issues Conducting system design analysis to manage trade-offs of system parameters to characterise and specify robust product design Leading the decomposition of requirements to system and sub-system level and manage these in an approved toolset such as IBM DOORS Next Be a technical focus point with a holistic understanding of a whole system solution leading analysis activities and system design decisions and providing guidance to own team Collaborating with specialists across different engineering disciplines including electronics, electrical, mechanical and software to direct and realise overarching system design solutions Directing and undertaking system integration, test planning and execution Defining and articulating system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering Your skills and experiences: A good understanding in some of the following subject areas; signal processing, target track extraction, object classification algorithms, system and sensor resource optimisation A good understanding of factors that can affect the real-world performance of sensing systems and how these can impact the accuracy and timeliness of measurements in order to meet challenging design objectives and requirements Demonstrates understanding and experience of Systems Engineering which could include knowledge of Systems Engineering standards (e.g., ISO 15288) Experience of presenting both technical and non-technical information in a formal setting 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 Radar Systems Engineering team; You will be working as a Principal Systems Engineer within our close-knit multi-function radar team of inter-disciplinary engineers, evolving our radar portfolio of existing and brand-new radar products to address emerging and future threats. This role is a fantastic opportunity to enhance your skills and invest in your career journey within a global business. You will be supported in growing your knowledge in contemporary and cutting-edge Radar techniques, with opportunities to develop your skills and responsibilities in technical leadership. In this role, you will be able to enjoy both flexible and hybrid working arrangements. Our workplace in Cowes is an easily accessible commute from Southampton with a regular foot passenger ferry and BAE shuttle service from the ferry terminal to site. As the world has evolved, so has the way we work. Our working approach, will enable you to have flexibility with your working hours, depending on your role and location. This could include part time hours, accruing hours as well as flexibility around start and finish times, ensuring you can balance life at work, on site and life at home. 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: 7th 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. #LI-JP1 #LI-Onsite

Job Title: Principal Engineer - Support Engineering (RCM - Software Support) Location: Barrow-in-Furness, Filton or Brough. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable dependant on experience. What you'll be doing: Using BAES processes, analyse software products (COTS, Bespoke, Modified COTS) and derive software support strategies Reviewing software source documentation, interpret technical information and derive written recommendations on how best to support the software product through life via the production of system level software support case reports Supporting stakeholder engagement and attend collaboration working groups in support of BAES scope of work for maintenance design (software) Providing software SME advice to the wider ILS community, and support mapping activity between the BAE software analysis outputs and other key ILS stakeholders and their support outputs Carrying out internal assurance of team outputs Supporting with ad-hoc technical queries Facilitating working groups / workshops in relation to technical queries Your skills and experiences: Essential: Degree or equivalent skills knowledge and experience in the C&I (control & instrumentation), PLC (programmable logic control) ecosystems and software support discipline Excellent verbal and written communication skills Excellent IT skills The ability to analyse complex problems specifically related to software support, and identify the most critical support related issues Desirable: Understanding of JSP 935, DefStan 00-055, IEC 61508, DLF SSE GP.2.11 Knowledge of LCM (Lifecycle management) Understanding of ILS (integrated Logistics support) Knowledge of software development lifecycle 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 Support Engineering Team: This role will utilise best practice, professional engineering judgement and initiative to undertake tasks in production of system and equipment level software analysis and software support reports. The analysis will be undertaken in accordance with BAE processes. Activities will be undertaken working alone or in a team, with the support and guidance of the Engineering Manager if required. We offer relocation support packages across all Submarines roles, subject to 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.

Job Title: Principal Engineer - Support Engineering Location: Barrow-in-Furness, Filton, Brough OR Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Negotiable dependant on experience What you'll be doing: Assist the Senior Engineering Manager in delivering effective ILS outputs for the Strategic Weapon System Support (SWSS) solution Provide expert support knowledge in responding to engineering queries from the MOD or Submarine Enterprise partners about the design, safety, maintenance, and operation of equipment and systems on in-service submarines Offer expert advice on equipment in line with current governance processes, in response to engineering queries from the MOD Design Authority Deliver support to the appropriate Engineering and Support Managers in the preparation of briefs and reports for both internal Provide technical support for creating the maintenance plan, ensuring it meets Design Authority requirements, and contribute to work aimed at reducing duration, including related risks and issues and external reporting requirements Provision of SWSS technical information from previously published sources where still available Your skills and experiences Knowledge of DN Class Platform / SWSS (Strategic Weapon System Support), operation, maintenance and training Strategic Weapon System (SWS) qualification Knowledge of MOD Defence Equipment & Support (DE&S) and Submarine Delivery Agency (SDA) processes Knowledge of the complete engineering lifecycle with some experience of operating in a number of phases Strong awareness of Product Safety & Environmental policies and SHE 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 Datum Pack team This specialist role works closely with the Product Configuration team, particularly in relation to managing the Datum Pack, which is just one part of their responsibilities. This SQEP technical advisory role will collaborate directly with the technical delivery teams who manage and organize product-related items, providing them with authoritative guidance and technical assurance. You will become part of a rapidly growing team focused on support and supportability within a fast-paced and continuously evolving environment. The role requires sharpness and adaptability to effectively meet the demands of this challenging setting. 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.

Job Title: Principal Software Engineer Location: Isle of Wight - Cowes - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and experiences: Good experience of using at least one high level programming language Considerable experience of using a high-level design methodology - knowledge of UML Strong experience of all aspects of the software lifecycle and good knowledge of software lifecycle models (e.g. Waterfall, Agile) Have a BEng/BSc in Computer Science or other relevant Engineering or Numerate subject (technology, engineering or science related discipline) Have good knowledge of appropriate software standards (e.g. ISO/IEC/IEE 12207) Knowledge of Ada95 Have a CEng or equivalent level of capability or working towards CEng status Have a comprehensive understanding of configuration management and experience of a configuration management tool An understanding of model-based techniques is advantageous 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 Sampson Radar Software team: The Sampson Radar Software team is a 30 plus personnel group that provides support and capability upgrades to the Royal Navy and their products. This role will deliver software products to the customer as part of a team delivering enhancements over the next 10 years, as well as providing ongoing support to existing products. You will have the opportunity to develop and enhance your skills and knowledge, with the potential to lead into more senior positions within a global business 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 November 2025

Job Title: Principal Software Engineer Location: Great Baddow - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and experiences: Good experience of using at least one high level programming language Considerable experience of using a high-level design methodology - knowledge of UML Strong experience of all aspects of the software lifecycle and good knowledge of software lifecycle models (e.g. Waterfall, Agile) Have a BEng/BSc in Computer Science or other relevant Engineering or Numerate subject (technology, engineering or science related discipline) Have good knowledge of appropriate software standards (e.g. ISO/IEC/IEE 12207) Knowledge of Ada95 Have a CEng or equivalent level of capability or working towards CEng status Have a comprehensive understanding of configuration management and experience of a configuration management tool An understanding of model-based techniques is advantageous 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 Sampson Radar Software team: The Sampson Radar Software team is a 30 plus personnel group that provides support and capability upgrades to the Royal Navy and their products. This role will deliver software products to the customer as part of a team delivering enhancements over the next 10 years, as well as providing ongoing support to existing products. You will have the opportunity to develop and enhance your skills and knowledge, with the potential to lead into more senior positions within a global business 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 November 2025

Pour notre client dans le secteur de la banque d’investissement et des marchés financiers , nous recherchons un Lead Technical Architect / Principal Engineer afin d’accompagner la transformation et l’industrialisation de ses plateformes critiques dédiées aux activités de recherche quantitative , pricing , risk management , et traitement de données financières . L’environnement est international, collaboratif et techniquement exigeant, avec une forte interaction entre équipes Quant , Ingénierie , Data , IT et Production . Mission principale : Concevoir, piloter et optimiser l’architecture des systèmes quantitatifs et des chaînes de calcul haute performance, en garantissant leur robustesse, scalabilité et adéquation avec les besoins métier. Responsabilités : 1. Architecture & Design Concevoir et faire évoluer l’architecture globale des services quantitatifs (pricing, risk, simulations). Définir les standards technologiques et les bonnes pratiques pour des systèmes critiques. Repenser les composants historiques pour améliorer performances, latence, disponibilité et résilience. Sélectionner les langages, frameworks et paradigmes adaptés à des workloads intensifs. 2. Performance & Scalabilité Optimiser les infrastructures de calcul distribuées (compute grids, scheduling, parallélisation). Améliorer les pipelines de données financières (time-series, tick data, surfaces de volatilité). Assurer la haute disponibilité, la tolérance aux pannes, et des performances stables en charge. 3. Données de marché & Services Superviser l’architecture des systèmes de collecte, stockage et diffusion de données financières. Garantir la cohérence, la disponibilité et la performance des pipelines de données critiques. 4. Collaboration Transverse Travailler en étroite collaboration avec : les équipes Quant (modélisation, analytics), les équipes d’ingénierie logiciel et IT, la Data Engineering, les équipes Ops/Production. Transformer des besoins complexes en solutions industrielles fiables et pérennes. 5. Leadership Technique Être force de proposition sur l’évolution de la stack technique. Challenger les décisions technologiques et architecturales existantes. Encadrer techniquement des ingénieurs (sans dimension managériale obligatoire).

Looking for a role where your work genuinely matters? This is your chance to join a close-knit engineering team building software that powers world-class scientific instruments. These systems help researchers push the boundaries of physics and materials science and you'll play a key part in making that happen. If you enjoy solving complex problems, collaborating across disciplines, and want to see your code make a real impact, this could be the perfect fit. What you'll do 🛠️ Own the lifecycle: Design, develop, and maintain software for precision instruments. 50% coding, 25% documentation, 25% coordination. Build clean solutions: Write modern C++ and Python in a Linux environment, delivering robust, maintainable code. Collaborate widely: Work with engineers, technicians, manufacturing teams, and scientists to turn business requirements into technical solutions. Hardware integration: Interface with programmable instruments and ensure smooth hardware/software interaction. Test and validate: Create and run unit and integration tests to guarantee reliability. Lead by influence: Mentor junior engineers and contribute technical input during design reviews. What you'll bring 🧠 Strong experience in C++ and Python for complex systems. Solid Linux development background. Proven ability to deliver maintainable, high-performance software. Degree in Computer Science, Engineering, Physics, or equivalent practical experience. Excellent communication skills and the ability to work across multiple teams. Strong experience in translating business requirements into technical solutions. Working arrangement 🧭 Hybrid: 3 days on-site in Oxford, with early finish Fridays (1pm). Expect hands-on collaboration in the lab for hardware integration and testing. Salary & Benefits 🎁 Up to £68,000 plus bonus scheme. 25 days annual leave + bank holidays. Pension contribution and comprehensive benefits package. Opportunities for career development in a growing, technology-led business. 📩 Apply now or get in touch for a confidential chat about the role. To find out more about Computer Futures please visit Computer Futures, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales

Job Title: Principal Safety & Environmental 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: Negotiable, depending on experience What you'll be doing: Develop, implement and maintain the Project Safety Management System within a Systems Engineering framework Produce and manage Project Safety Management Plans & Justification Plans Lead Whole Boat Product Safety hazard and risk identification, management and assessment activities, including modern analysis techniques such as STAMP & STPA Influence the construction and delivery of the Project Safety Case including Safety Case reports throughout the projects lifecycle Complete peer reviews, checking, verification and assurance tasks to demonstrate the adequacy and robustness of the Safety Case and supporting documentation Oversee and peer review junior rules in the Product Safety team Understand the application of wider Safety Case, Quality and HS&E Management System documentation Your skills and experiences: Essential: Science Technology Engineering Mathematics (STEM) Degree or equivalent qualification Awareness of the challenges posed by the environment that the product will be exposed to Experience in delivery of traditional safety analysis techniques such FMEA, HAZOP, FTA etc. Experience in compilation and delivery Safety Case Reports and other supporting safety documentation e.g. plans, process, requirements etc. Experience of development and working within a Projects Safety Management System Ability to interpret technical data and produce clear, logical and robust safety arguments Desirable: Professional Chartership or working towards Demonstrable knowledge of design, manufacturing, assembly, commissioning and testing submarines lifecycle phases. Experience of modern safety analysis techniques such as STAMP, STPA, FRAM etc. Experience and knowledge of System Engineering International Standards and application in safety engineering context Previous experience of leading appropriate meetings and Working Groups 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 Principal Product Safety & Environmental Engineer, you will also be responsible for the development and maintenance of the Project Product Safety Management System and Product Safety Cases for the SSNA project and be able to resolve & guide others in solving complex project-related issues/ conflicts across disciplines from a Product Safety perspective. 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.

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) 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 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 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 Defence Solutions, 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). 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 our customers. This is a 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. 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 1st December 2025

Job Title: Principal Software Assurance Engineer Location: Barrow-In-Furness, Filton, Frimley, Broad Oak, Brough or Weymouth. 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: Work with our customer to agree an acceptable approach to risk Plan and carry out software assurance activities including reviews of plans, processes, witnessing testing, inspections and auditing Review software plans, documentation and software aspects of system level plans and documents to provide timely and meaningful feedback Engaging with System Designers, Software Developers and other engineering disciplines in the design process to ensure that software meets requirements Document the level of risk, provide evidence and reporting for Senior Management Work with a range of stakeholders at all levels to resolve non-conformances and programme risks Your skills and experiences: Essential: Familiarity with various software types, including programmable electronics, is beneficial, though in-depth expertise in all areas is not required. A strong grasp of software lifecycle principles and their application across different software types is essential Understanding of the systems engineering lifecycle and its relationship to software development Logical thinking and problem-solving skills, with the ability to find practical solutions and align stakeholders with the resolution Desirable: Experience of Software Assurance methods and processes, including audit and review Understanding of the application of software engineering, security, quality and safety standards Ability to understand strategic direction and tailor actions to support this 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 team: This is a growing role within our business and industry with significant potential for development and further growth. We expect the candidate to quickly develop an understanding of the development, use and control of software in our complex and unique application. Being actively involved in the decision making and problem resolution for some of the most critical aspects of our design. This opportunity offers a uniquely broad view of the SSNA programme, business and customer organisations which offers significant development both technically and personally. 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: 12th December 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. #LI-SC1 #LI-Hybrid

Job Title: Principal Safety Engineer - Safety & Environmental Engineering 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: Provide technical leadership as a subject matter expert in safety engineering Mentor and develop engineers, guiding safety analysis and influencing design decisions Analyse and influence nuclear submarine design using safety engineering techniques, focussing on major hazards (fires, explosions including DSEAR, steam release) Apply engineering judgement to justify design safety and compliance Interface with regulators, clients within the MOD and internal stakeholders Develop and review safety case documentation to substantiate design safety Your skills and experiences: Essential: Degree qualified in a relevant STEM discipline or equivalent experience Strong analytical, written and oral communication skills with a practical and pragmatic approach to problem solving Proven ability to produce clear, structured safety case arguments and supporting technical documentation for complex systems Ability to identify, assess, and mitigate hazards in complex engineering environments Desirable: Experience in a highly regulated industries (nuclear, oil and gas, maritime, aerospace) Experience in DSEAR and fire risk assessments, including hazard identification and analysis. Familiarity with hazard analysis techniques (e.g. HAZOP, FMEA, Fault and Event Tree Analysis) 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.

Job Title: Principal Software Assurance Engineer Location: Barrow-In-Furness, Filton, Frimley, Broad Oak, Brough or Weymouth. 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: Work with our customer to agree an acceptable approach to risk Plan and carry out software assurance activities including reviews of plans, processes, witnessing testing, inspections and auditing Review software plans, documentation and software aspects of system level plans and documents to provide timely and meaningful feedback Engaging with System Designers, Software Developers and other engineering disciplines in the design process to ensure that software meets requirements Document the level of risk, provide evidence and reporting for Senior Management Work with a range of stakeholders at all levels to resolve non-conformances and programme risks Your skills and experiences: Essential: Familiarity with various software types, including programmable electronics, is beneficial, though in-depth expertise in all areas is not required. A strong grasp of software lifecycle principles and their application across different software types is essential Understanding of the systems engineering lifecycle and its relationship to software development Logical thinking and problem-solving skills, with the ability to find practical solutions and align stakeholders with the resolution Desirable: Experience of Software Assurance methods and processes, including audit and review Understanding of the application of software engineering, security, quality and safety standards Ability to understand strategic direction and tailor actions to support this 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 team: This is a growing role within our business and industry with significant potential for development and further growth. We expect the candidate to quickly develop an understanding of the development, use and control of software in our complex and unique application. Being actively involved in the decision making and problem resolution for some of the most critical aspects of our design. This opportunity offers a uniquely broad view of the SSNA programme, business and customer organisations which offers significant development both technically and personally. 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: 18th Novemnber 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. #LI-SC1 #LI-Hybrid

Job Title: Principal Manufacturing Technology 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: Circa £50,000 depending on skills and experience What you'll be doing Lead and support with complex Manufacturing Technology projects throughout their full lifecycle including performing initial research and market scans, proof of concepts, pilots and full implementation projects Work collectively in a team, developing and implementing projects to improve the Submarines programme, supporting, developing and leading team members as required Liaise with and manage internal and external stakeholders such as inter-business teams, BAE sectors including Group and suppliers Apply problem solving techniques to progress technology solutions to improve Manufacturing and Construction processes Produce and review Manufacturing Technology documents to support the projects through their lifecycle and ensure they are stored appropriately Develop and support business justifications to implement new and replacement technologies into Manufacturing Production areas and develop the Cost Benefit from doing so Develop and support technology road maps Your skills and experiences Essential Level 4 Qualification in a related subject or equivalent experience Heavy Manufacturing experience and knowledge, in particular within Welding or similar disciplines Experience in leading process improvements, changes into an organisation and developing business cases or justifications Experience of engaging with cross functional teams and external stakeholders Knowledge of Technology Readiness Level (TRL) Desirable: Knowledge of the Catapult network Experience of Research & Development activities 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 Manufacturing Technology team Within the team, we are dedicated to advancing and integrating cutting-edge technologies that enhance manufacturing and construction processes across all submarine programs. Our team collaborates closely with a wide range of internal and external stakeholders, including Manufacturing Engineering, Operations, IT, BAE sectors and industry partners. This collaborative approach provides a unique opportunity to contribute to diverse projects, allowing you to deepen your expertise in manufacturing, construction, and the intricate relationships between functions that drive project success. 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. #LI-CB1 #LI-hybrid