Commissioning Mechanical Test Engineer

Babcock Mission Critical Services España SA.; Helensburgh; On-site; GBP 40,000 - 50,000; Full time

Job summary

A leading defense services provider is seeking a Commissioning Mechanical Test Engineer for a full-time role at their HMNB Clyde Faslane site. The successful candidate will conduct mechanical testing and commissioning, ensuring submarine systems meet exacting standards. Required qualifications include a recognized Mechanical Engineering Apprenticeship and HNC. This position demands effective communication skills and the ability to work both autonomously and in multidisciplinary teams. Attractive benefits include a matched pension scheme and development opportunities.

Benefits

Matched contribution pension scheme

Access to a Digital GP

Employee share scheme

Holiday Trading

Development opportunities

Qualifications

• Proven experience in mechanical commissioning and testing.
• Ability to work autonomously and collaboratively in high-stakes environments.
• Strong understanding of safety and quality standards.

Responsibilities

• Conducting mechanical testing, calibration, and commissioning tasks on submarine systems.
• Supporting the Senior Test Engineer to optimise team performance.
• Applying safety, quality, and environmental policies during commissioning activities.

Skills

Mechanical commissioning and testing

Safety and quality standards

Effective communication

Stakeholder engagement

Education

Recognised Mechanical Engineering Apprenticeship

HNC in Mechanical Engineering

Job description

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Commissioning Mechanical Test Engineer

Location: Faslane, Helensburgh, GB, G84 8HL

Onsite or Hybrid: OnSite

Job Title: Commissioning Mechanical Test Engineer

Location: Helensburgh, Argyll and Bute

Role Type: Full time / Permanent

Role ID: SF67955

Drive Excellence in Submarine Commissioning

At Babcock we’re working to create a safe and secure world, together, and if you join us, you can play your part as a Commissioning Mechanical Test Engineer at our HMNB Clyde Faslane site.

The role

As a Commissioning Mechanical Test Engineer, you’ll have a role that’s out of the ordinary. You’ll be at the heart of one of the UK’s most critical defence programmes. You’ll ensure submarine systems are tested, calibrated, and commissioned to exacting standards - directly supporting operational readiness and national security.

Day-to-day you’ll be:

• Conducting mechanical testing, calibration, and commissioning tasks on submarine systems
• Supporting the Senior Test Engineer to optimise team performance and resource use
• Applying safety, quality, and environmental policies during all commissioning activities
• Reviewing engineering documentation and contributing to technical problem‑solving
• Engaging with contractors and internal teams to manage risks and meet commissioning goals

This role is full time, 36 hours per week Monday to Thursday and is based on site at HMNB Clyde Faslane.

Essential experience of the Commissioning Mechanical Test Engineer

• Proven experience in mechanical commissioning and testing
• Ability to work autonomously and collaboratively in high‑stakes environments
• Strong understanding of safety and quality standards
• Experience working with multidisciplinary teams
• Effective communication and stakeholder engagement skills

Qualifications for the Commissioning Mechanical Test Engineer

• Recognised Mechanical Engineering Apprenticeship (or equivalent), with demonstrable industry experience.
• HNC in Mechanical Engineering (or equivalent), supported by relevant practical experience.

Security Clearance

The successful candidate must be able to achieve and maintain Security Check (SC) security clearance for this role.

Many of the positions within our company are subject to national security clearance and Trade Control restrictions. This means that your eligibility for certain roles may be affected by your place of birth, nationality, current or former citizenship, and any residency you hold or have held. Further details are available at United Kingdom Security Vetting: clearance levels - GOV.UK (www.gov.uk) .

What we offer

• Matched contribution pension scheme, with life assurance
• Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
• Employee share scheme
• Employee shopping savings portal
• Payment of Professional Fees
• Reservists in the armed forces receive 10‑days special paid leave
• Holiday Trading is a benefit that allows UK Babcock employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. This Window opens February through to March annually.
• ‘Be Kind Day’ enables employees to take one working day's paid leave a year (or equivalent hours) to undertake volunteering work with their chosen organisation or registered charity
• Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing.

Babcock International

For over a century Babcock has helped to defend nations, protect communities and build a better world. To continue, we must adapt, advance and be a sustainable business with a shared goal.

We are a disability confident committed employer. If you have a disability or need any reasonable adjustments during the application and selection stages, please [e-mail] with the subject header ‘Reasonable adjustments requirement’. We’re committed to building an inclusive culture where everyone’s free to thrive. We are happy to talk about flexible working – please ask about alternative patterns of work at interview.

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