Principal Commissioning Engineer – SWTO Mechanical

Job Title: Principal Commissioning Engineer – Mechanical

Location: Barrow-In-Furness – Onsite

Salary: Competitive

What you’ll be doing:

• Carry out routine work with limited supervision & understand safety consequences in a high-risk environment
• Liaise/Interface with relevant stakeholders to ensure activities are undertaken in a safe & compliant manner
• Instruct & mentor less experienced members of the team within your knowledge & competency
• Responsible for research, review & feedback of appropriate documentation to the required standard
• Keep full and accurate records of work activities carried out as required by policy, procedure & legislation
• Deputise for the relevant Commissioning Project Leader as and when required, including supervision of personnel on shift
• Represent the Company on Contractors Sea Trials and other outworking requirements
• Demonstrate an in-depth knowledge of all relevant systems and a strong knowledge of other system interfaces

Your skills and experiences:

Essential:

• Degree/HNC/HND in an Engineering discipline or equivalent experience
• Demonstrable experience in Test & Commissioning
• Detailed understanding of Test & Commissioning processes

Desirable:

• Experience in leading commissioning activities

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 and Commissioning Team:

As an experienced Mechanical Commissioning Engineer, you will be accountable & responsible for ensuring Test & Commissioning activities undertaken are in accordance with Company Policies, Procedures and Legislation. Further responsibilities include accountability for the activities you are leading on shift, acting up duties as Commissioning Project Leader and to take responsibility in becoming a Subject Matter Expert on Test Section 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: 12th March 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. 

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