Job Title: Principal Engineer – Electrical Engineering (Power) Location: : Barrow-in-Furness / Filton – (Hybrid -2 days a fortnight (Barrow), or 1 day a week(Filton) dependent on business needs. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: £47,241 (Commensurate with skills and experience) Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you. Job Description: As part of the Electrical Engineering Power Team, you will be leading the development of design documents, reviewing supplier documentation, developing technical requirements and undertaking assessment of design compliance to support the development of our electrical systems. Core duties: You’ll be developing design solutions to agreed time, cost and quality in accordance with project or business milestones You’ll develop and manage requirements and acceptance criteria specific to a system or product and/or across a system of systems, platform or programme You’ll understand the contractual and performance requirements for various systems, and support the definition and associated acceptance criteria and events through design, build, integration, installation and commissioning activities You’ll produce documentation required to support the design review process, including diagrams; technical specifications; supporting calculations; design evidence and justifications You’ll provide technical support to integrated performance and acceptance activities, including acceptance of equipment from suppliers through to system acceptance by the customer and support build activities, defect resolution and change management You’ll support 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 Essential Skills: BEng (Hons) / MEng or equivalent and CEng (or be able to satisfy requirements for CEng) Demonstrable experience of engineering lifecycle with knowledge of AC and DC electrical power systems Understanding of at least one of the following areas: Power system modelling; generators; switchgear; protection; power electronics In depth understanding of Power System Architecture, Power Generation and Distribution, Protection and Co-ordination or Power Earth Fault Monitoring Significant The Electrical Engineering Power Team: The Electrical Engineering Power Team are working on the UK’s next-generation SSN design that incorporates technology from the UK, Australia and the United States. The team are responsible for defining the system elements required to feed into the submarine design and build process, including design documentation, spatial modelling and build outputs. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 4th 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. LI-KI1 LI-Hybrid