Principal Engineer – Support Engineering (Reliability Centred Maintenance) in London

Location: Barrow – 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

• Provide ex-operator knowledge to assess and analyse system designs, diagrams and information data to ensure technical accuracy, process instructions correctness, and input for maintenance derivation outputs.
• Provide technical leadership, coaching and mentoring of others.
• Have a clear understanding of, and apply, the Quality and SH&E Management System documentation.
• Support stakeholder engagement and attend collaboration working groups in support of BAES scope of work for maintenance design.
• Provide estimates for the scope of work and resources required, to support bids, proposal development and project planning activities for maintenance design activities.

Essentials

• Background as Submarine nuclear operator / maintainer
• The ability to analyse complex problems
• Knowledge of the complete engineering lifecycle and how support activities align to it, with some experience of operating in several lifecycle phases
• Extensive level of domain knowledge over the full range of ships systems and how they relate to ILS and Safety

Desirables

• Knowledge of relevant Ministry of Defence (MoD), industry and corporate standards

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 SQEP Team

You will join an established team tasked with the delivery and assurance of maintenance derivation work, maintenance task assessment, level of repair analysis and maintenance tasks instructions. Your role involves collaboration with a range of Internal and External stakeholders including industry partners across a number of Submarine programmes. There will be opportunities to grow, develop your skillset and build upon your knowledge to build a lasting career with BAE Systems.

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: 30th 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.