BAE Systems
Senior Commissioning Engineer – Mechanical
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Senior Commissioning Engineer – Mechanical (Propulsion)
Location: Barrow-In-Furness, hybrid
Flexible and hybrid working options available – please discuss with your recruiter.
Salary: Competitive
About BAE Systems
Join BAE Systems and become part of a global network shaping a safer future. Whether in defence, aerospace, or security, your unique skills will help deliver advanced technology solutions. Your role could span underwater or outer space—opportunities are boundless.
About the Role
Key Responsibilities
- Execute commissioning, testing, and acceptance of propulsion mechanical systems aboard the Dreadnought Class submarines in a safety-critical, highly regulated environment.
- Work autonomously with limited supervision while understanding safety implications in high-stakes contexts.
- Collaborate across teams (Engineering, Royal Navy, MoD, Build Operations) to ensure tasks align with safety, compliance, and design standards.
- Mentor less experienced team members using your expertise.
- Develop, author, and review technical documentation (design and testing) to meet standards.
- Maintain accurate work records, adhering to policies, procedural, and legal requirements.
- Lead the organisation’s representation during Factory Acceptance Tests, contractor sea trials, and other industry activities (including possible overseas travel).
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Core Duties
- Deliver assigned activities in compliance with Company policy, procedures, and legislation.
Essential Skills & Experience
Technical Expertise:
- Deep knowledge of:
- Mechanical system operation (with preference for steam/condensate systems, lubricating oil, and cooling systems).
- Commissioning of complex heavy machinery plants (e.g., diesels, turbo generators, steam turbine plants).
- Test-related equipment & best practices (*e.g., specialised instrumentation and systems required for propulsion plant).
- Mechanical flushing, pressure testing, and endurance testing to confirm mechanical integrity.
- Awareness of Nuclear Site/Authorisation Conditions.
Program Context:
- Work with the propulsion team for the Dreadnought-class submarines—a next-generation Royal Navy programme featuring four Submarine Strategic Nuclear (SSBN) boats designed to maintain Continous At Sea Deterrence (CASD).
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Added Support:
- Relocation assistance available for eligible submarine roles.
About Our Environment
Culture: we invest in an inclusive workplace where every colleague is valued and supported. Reasonable adjustments welcome for disability or accessibility needs.
Security & Eligibility: Due to the role’s nature, successful applicants must meet the Baseline Personnel Security Standard (BPSS), and higher vetting levels (up to 5–10 years UK residency) are mandatory for some roles.
Why Work With Us?
Build a fulfilling career with limitless potential. We focus on lifelong learning, impactful work, and collaboration to ensure you grow with confidence. Career progression and tailor-made rewards are integral parts of our approach.
Closing Date: 7th July 2026
Applications may close early if sufficient candidates are received. Apply early if interested. [#hybrid] role available.
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