Overview

Principal Engineer – Support Engineering (Technical Support & Authoritative Advice) role at BAE Systems. Location: Filton (hybrid and flexible working arrangements available; speak to your recruiter about options).

Closing Date: 3rd October 2025. We reserve the right to close the vacancy early if we receive sufficient applications.

What You’ll Be Doing

• Providing specialist knowledge in responding to engineering queries related to the design, safety, maintenance and operation of the equipment and systems installed on Dreadnought Class submarines.
• Liaising and building relationships with MoD, Naval personnel and third-party Submarine Enterprise partners.
• Technically reviewing proposed support documentation to achieve final acceptance before publication.
• Working independently as part of the Support Engineering Team; attending and providing support at various stakeholder meetings.
• Managing technical queries to enable Support Engineering to capture, respond to and report progress.
• Reviewing and maintaining MoD-sponsored publications including Books of Reference, Defence Standards and Joint Service Publications.

Essential

• HNC or equivalent in Mechanical / Electrical engineering or solid practical experience in a submarine environment.
• Competent user of Microsoft software packages.

Desirable

• Submarine and/or defence background.

Benefits

You’ll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. Additional benefits include flexible working, an employee assistance programme, Cycle2work and employee discounts; you may also be eligible for an annual incentive.

The Engineering Support Team

As a Principal Support Engineer, you’ll work on technically challenging and diverse duties within the submarine enterprise. You will interact with Technical Authorities, MoD customers and the wider submarine community to deliver documentation suites required to safely operate and maintain Dreadnought Class nuclear submarines. BAE Systems offers relocation support packages across all Submarines roles subject to eligibility.

Why BAE Systems?

This is a place to make a real difference in an inclusive culture that values diversity of thought, integrity and merit. We welcome people from all backgrounds and strive for an inclusive recruitment process. If you have a disability or health condition that may affect performance in certain assessments, please discuss reasonable adjustments with your recruiter. Some roles require security and export control clearances (Baseline Personnel Security Standard or higher, with possible 5–10 years of UK residency for vetting).