Principal Commissioning Engineer RTS

Job Title: Principal Commissioning Engineer - RTS Mechanical

Location: Barrow-In-Furness - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role

Salary: £40,748+ Depending on experience

What you'll be doing:

• Responsible for leading test and commissioning activities, de-conflicting tasks, briefing teams and overseeing work
• Deputise for relevant Commissioning Project Leader as and when is required, including supervision of personnel on shift
• Responsible for safe plant operation, maintain awareness of plant state and consequences of activities
• Carry out routine work with limited supervision and understand safety consequences in a high-risk environment
• Liaise/Interface with relevant stakeholders to ensure activities are undertaken in a safe and compliant manor
• Instruct and mentor less experienced members of the team with you knowledge and competency
• Responsible for research, review and feedback of appropriate documentation to the required standard, keeping full and accurate records of work activities carried out as required by policy, procedure and legislation
• Represent the Company on Contractors Sea Trials and other outworking requirements
• Responsible for delivering assigned activities in line with company policy, procedures and legislation

Your skills and experiences:

• Experience of Commissioning or maintaining mechanical systems in a highly regulated industry (Oil, Gas or Nuclear)
• Experience of working to high levels of detail, recording and reviewing results
• Knowledge of using test equipment and activities required for specific tests
• Understanding of the role and how the T&C contributes to the wider business and UK enterprise
• Knowledge of safety controls and procedures in a high-risk environment
• Experience working with high pressure systems
• Ability to understand complex Mechanical Systems (Drawings, diagrams, and procedures)
• Awareness of Nuclear Site/Authorisation Conditions

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 Test & Commissioning Team

As the Principal Commissioning Engineer RTS (Reactor Test Section) Mechanical you will be at the start of one the largest and most complex engineering programmes taken on nationally. It is an opportunity to work on first of class submarines, sharing your knowledge and mentoring less experienced engineers to help achieve our goals. You will also be involved in key event testing for Dreadnought on the new design of the reactor plant. 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 25th 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.