Principal Engineer – Safety

Job Title: Principal Engineer – Safety (Programmable Elements)

Location: Weymouth, Frimley, Broad Oak, Filton – we offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role.

Salary: Circa £60,000 depending on experience

What you’ll be doing:

- Conducting Programmable Elements Safety Engineering Activities, such as PHA, FTA and PSSA/SSA in support of the Combat System Design Safety Justification and Whole Boat Safety Case

- Determining the causes of: Systematic Programmable Elements Safety failures, Common cause analysis

- Defining and monitoring Programmable Elements Safety Requirements and compliance with CASS TOES

- Organising and contributing to Hazard Identification workshops and Safety Committee meetings

- The integration/acceptance of Commercial off the Shelf (COTS) products

- Engaging with third parties, such as equipment or system suppliers, to review and gather supporting Programmable Elements Safety evidence in accordance with Def Stan 00-055

- Reporting the progress of Programmable Elements Safety Engineering activities at Project and Programme reviews

- Working within an established Safety Management System you will bring your expertise and experience to make recommendations for improvements

Your skills and experiences:

Essential:

- Demonstrable experience in Programmable Elements Safety Engineering and activities contributing to the production of Fault Tree Analysis (FTA) and Safety Integrity Level (SIL) allocation documents in order to develop Preliminary system safety assessment (PSSA) System Safety Assessment (SSA)

- Able to demonstrate experience in understanding safety of systems with Programmable Elements in accordance with Def Stan 00-055, Def Stan 00-056

- Experience in Safety Engineering and Programmable Elements Safety Requirements in accordance with IEC/BS EN 61508 in defence domain

- Able to demonstrate competence in rigour of Software Development Safety Integrity Level (SIL) Design Assurance Level (DAL) depending on industry experience

Desirable:

- Relevant engineering qualification such as BEng/ MEng or equivalent experience

- Incorporated Engineer or Chartered Engineer or working towards

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 Programmable Elements team

Would you like to apply your Programmable Elements Safety Engineering knowledge and expertise to the design of cutting-edge systems for the UK’s future submarine fleet? We currently have a vacancy for a Principal Programmable Elements Safety Engineer to join the Integrated Combat Systems team based in a variety of locations in the UK. The Combat System encompasses the submarine’s ‘fight capability’. This includes its ability to carry out all submarine Activities whilst submerged and remaining undetected by other parties. As a Principal Engineer – Safety (Programmable Elements), you will be carrying out a range of Programmable Elements Safety Engineering activities and analysis on all areas of the combat system, including navigation, command and control, and communication systems. We offer relocation support packages across all Submarine 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: 5th 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.

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