Commissioning Project Leader - Mechanical

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 of us.

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.

As a Commissioning Project Leader – Ships – Mechanical, you will lead a team of multi-skilled Mechanical Commissioning Engineers, acting as the mechanical subject matter expert for test and commissioning activities. You will oversee the delivery of mechanical commissioning documentation, ensure testing is carried out safely and compliantly, and work with key stakeholders to support the successful delivery of the Submarine programme.

• Lead, develop and manage a team of Mechanical Commissioning Engineers, including allocating, delegating and distributing daily tasks
• Deliver the mechanical test and commissioning documentation programme, reviewing and approving documentation to support safe and compliant testing
• Act as the mechanical subject matter expert, providing technical guidance and supporting commissioning activities
• Manage change in line with company policies and procedures, helping develop tools and software to improve document production
• Deputise for the Commissioning Manager when required, covering meetings and leadership responsibilities
• Liaise with internal and external stakeholders, including Operations and Engineering, while promoting safety and process compliance

• Degree or HND in an engineering discipline, or equivalent relevant experience
• Experience leading teams to deliver complex engineering programmes
• Working knowledge of the engineering lifecycle and relevant specialist engineering knowledge
• Competent in IT systems, including Microsoft products, SAP and Teamcenter
• Maritime industry experience and CMI Level 5 qualification or equivalent leadership experience
• Knowledge of submarine ship systems and equipment, or experience with transferable systems

As the Mechanical Commissioning Project Leader, you will play a pivotal role throughout the project lifecycle, helping shape the direction of the programme and overseeing the creation and maintenance of commissioning documentation across multiple system boundaries. You’ll have the opportunity to lead and develop a team of up to 10 engineers, support their career progression and contribute to future Submarine projects. Relocation support packages are available across Submarines roles, subject to meeting eligibility criteria.

We’re committed to building an inclusive workplace where everyone feels valued and supported. We welcome applications from all suitably qualified people and encourage discussion of reasonable adjustments where needed.

Please be aware that many roles at BAE Systems are subject to security and export control restrictions. Applicants must meet Baseline Personnel Security Standard, and many roles require higher levels of National Security Vetting, including 5–10 years continuous UK residency depending on the role.

Here you’ll build a career with purpose and limitless possibilities. Lifelong learning, meaningful work, and a supportive culture enable you to grow with confidence. You’ll be recognised for your contribution and supported with rewards that matter most to you.

Closing Date: 29th October 2026

We reserve the right to close this vacancy early if we receive sufficient applications. If you are interested, please apply as early as possible.

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