BAE Systems
Senior Commissioning Engineer - Mechanical
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Job Title: Senior Commissioning Engineer – 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: Competitive
Who we are:
Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering advanced, technology-led defence, aerospace, and security solutions, shaping a safer future for all. From the depths of the ocean to the far reaches of space, there’s no limit to where a career at BAE Systems could take you.
What you will be doing:
In this role, you will undertake Test and Commissioning activities to validate the installation and alignment of Strategic Weapon Systems, ensuring all work is carried out safely, compliantly, and in accordance with Company policies, procedures, and legislation. You'll work closely with stakeholders across BAE Systems, government representatives, and external contractors to deliver key programme objectives.
Core duties:
- Carry out routine Test and Commissioning activities with limited supervision whilst understanding and managing safety implications within a high-risk environment
- Liaise and interface with relevant stakeholders to ensure activities are undertaken safely, compliantly, and in accordance with programme requirements
- Interpret and understand test documentation, develop and execute measurement plans, and accurately analyse and present test results to the Strategic Weapons Test Group (SWTG)
- Maintain full and accurate records of work activities carried out in line with Company policy, procedures, and legislative requirements
- Represent BAE Systems during Contractors Sea Trials and support other outworking requirements as required
- Use metrology equipment to perform accurate measurements of key Strategic Weapon System features, applying metrology best practices to ensure consistency and precision
- Review and provide comment on externally authored documentation, assess changes to existing documentation, and review engineering outputs, including the application of Geometric Dimensioning and Tolerancing (GD&T)
- Support and lead Commissioning activities where required, including acting-up duties as Commissioning Project Leader and developing Subject Matter Expert knowledge of Test Section Systems
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Essential skills:
- HNC/HND qualification in an Engineering discipline or equivalent relevant experience
- Strong analytical skills with the ability to collect and interpret complex data, identify patterns and trends, draw logical conclusions, and make evidence-based decisions
- Detailed understanding of system processes
- Experience using Teamcenter, SAP, or Spatial Analyzer
- Experience leading Commissioning activities
The Strategic Weapons Test Organisation Team:
The Strategic Weapons Test Organisation Team is responsible for validating the correct installation and alignment of the Trident II D5 Strategic Weapon System across the Dreadnought Class submarine programme. Working within a small team of highly skilled engineers, you'll collaborate with wider SWTO colleagues, government representatives, contractors, and internal stakeholders including Dimensional Control and Operations to deliver critical Test and Commissioning activities safely and effectively. Relocation support packages are available across all Submarines roles, subject to meeting eligibility criteria.
A place where everyone can thrive:
We’re committed to building an inclusive workplace where everyone feels valued and supported. A diversity of backgrounds, perspectives, and experiences strengthens our teams and is vital to the work we do.
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 achieve at least Baseline Personnel Security Standard, with some roles requiring higher levels of National Security Vetting.
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Benefits:
As well as a competitive pension scheme, BAE Systems also offers employee share plans and 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.
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 aim to make our recruitment processes as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, or an anxiety disorder) 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 security and export control restrictions. These may include nationality, dual nationality, and place of birth considerations. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting, typically requiring 5 to 10 years of continuous UK residency depending on the level required.
Closing Date: 31st July 2026
We reserve the right to close this vacancy early if we receive sufficient applications. If you are interested, please submit your application as early as possible.
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