Senior Commissioning Engineer - Mechanical

Job Title\: Senior Commissioning Engineer – Mechanical

Location\: Barrow-in-Furness, hybrid

We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role.

Grade\: S3

Referral bonus\: £1000

You’re expected to have completed 12 months in role prior to applying for an advertised vacancy and you should also discuss the internal opportunity with your line manager to ensure sustained business continuity and to further support your career development. We know there may be exceptional individual circumstances that impact this, in the first instance please discuss this with your line manager. If you don’t feel you can talk to your line manager, you can contact your HRBP.

PLEASE NOTE\: Should you be invited for interview; you acknowledge that the Recruitment team will contact you and your line manager regarding your application for this opportunity.

What you will be doing\:

As a Senior Commissioning Engineer – Mechanical, you’ll play a key role in delivering the testing and commissioning of mechanical systems on the Dreadnought submarine programme. Working within a high-risk engineering environment, you’ll be responsible for producing and reviewing technical documentation, ensuring commissioning activities are carried out safely and in compliance with relevant standards and legislation. You’ll collaborate with engineering teams, the Royal Navy, the Ministry of Defence (MoD) and Build Operations, while sharing your knowledge and mentoring less experienced colleagues to support the successful delivery of complex submarine systems.

Core duties\:

• Safely carry out routine commissioning activities with limited supervision, understanding the safety implications of working in a high-risk environment
• Generate Test and Commissioning documentation for mechanical systems
• Liaise with Engineering, the Royal Navy, the MoD and Build Operations to ensure activities are completed safely and in compliance with relevant requirements
• Instruct and mentor less experienced team members within your knowledge and competency
• Research, author and review design and test documentation to the required standards
• Deliver assigned activities in accordance with company policies, procedures and applicable legislation

Essential Skills\:

• HNC in Mechanical Engineering
• Knowledge of mechanical system operation, ideally including hydraulic systems, pressurised air and gas, domestic and chilled water systems, and tank testing
• Experience commissioning complex systems and plant
• Knowledge of test equipment and the activities required to carry out specific tests
• Understanding of mechanical flushing, pressure and endurance testing, and setting systems to work
• Knowledge of safety controls and procedures within a high-risk engineering environment

The Tech Cell Mechanical Team\:

As part of the Tech Cell Mechanical team, you’ll have the opportunity to work on a first-in-class submarine through the Dreadnought project, one of the UK’s biggest and most complex engineering programmes. You’ll contribute directly to the testing and commissioning of critical mechanical systems, helping ensure they meet the required safety, performance and compliance standards. This is an opportunity to apply your technical expertise to a nationally significant programme while developing your skills and supporting the growth of others within the team. We offer relocation support across 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. We welcome applications from all suitably qualified people and encourage discussion of reasonable adjustments where needed.

We welcome applications from all suitably qualified people, who are BAE Systems employees and have been in their current role for 12 months or longer.

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.

Why BAE Systems?

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.