Job Title: Senior Engineer - Systems Engineering (Architecture) Location: Barrow-in-Furness, Filton or Portsmouth. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £45,000 What you’ll be doing: Applying your subject matter knowledge and domain experience to support the Engineering Managers and Sub-System Technical Leads in delivering control systems and products to the submarine build programme to agreed time, cost and quality in accordance with project milestones Working collectively in a team, developing customer requirements, system models, use cases and design solutions Ensuring design proving evidence is comprehensive, captured within the requirements management tools and has been endorsed by the appropriate level of authority Understanding the contractual and performance requirements for systems and support the definition and associated acceptance criteria through design, build, integration, installation, and commissioning activities Reviewing relevant supplier documentation and ensure it is captured and recorded appropriately Supporting the development of estimates for the scope of work and resources required to deliver it to support bids, proposal development and project planning activities for various systems Building effective working relationships with internal and external stakeholders such as inter-business teams, MOD & industrial partners Your skills and experiences: Essential: Degree level qualification (or equivalent experience) in relevant STEM subject (Engineering/ Physics/ Maths/ Science) Incorporated Engineer or ability to achieve Incorporated Engineer Status Knowledge of Systems Engineering process and practices in the defence, maritime or closely linked industry Demonstrable experience of the engineering lifecycle Knowledge of relevant engineering standards, including safety and environmental regulations and an awareness of product safety 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 Ocean Interfaces team: This team sits within SSNA, contributing to the development of deployable assets for the future attack nuclear submarine. The team tackles global challenges and delivers design solutions by collaborating closely with customers and suppliers. As the AUKUS Submarine programme progresses, SSNA is evolving into a truly global platform including development of novel technology. With designs advancing and orders for long-lead items being placed, this is a pivotal time to make an impact. 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\: 11th November 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-AG1 LI-Hybrid