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- Tasks: Test and commission submarine systems to ensure operational readiness.
- Company: Join Babcock, a global leader in defence and engineering.
- Benefits: Generous holiday, pension scheme, health support, and professional development.
- Other info: Flexible working options and a commitment to inclusivity.
- Why this job: Make a real impact on national security while developing your engineering skills.
- Qualifications: Mechanical Engineering apprenticeship or equivalent with industry experience.
The predicted salary is between 42121 - 51560 £ per year.
Location: Helensburgh, Argyll and Bute
Compensation: £42,121 - £51,560 + Benefits
Role Type: Full time / Permanent
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:
- Supporting the Senior Test Engineer to optimise team performance and resource use
- Conducting mechanical testing, calibration, and commissioning tasks on submarine systems
- Engaging with contractors and internal teams to manage risks and meet commissioning goals
- Applying safety, quality, and environmental policies during all commissioning activities
- Reviewing engineering documentation and contributing to technical problem-solving
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.
What we offer
- Generous holiday allowance
- 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
We're Babcock - a global FTSE 100 organisation with over 26,000 people working together to make a difference. Here, you'll be part of something bigger. From initial design to final decommissioning, your work will contribute to products and services that are essential to national security and public infrastructure. Together, we're building a future that lasts - not just through the impact we make, but through meaningful careers that respect your work-life balance. We call that lifetime engineering. Join us and see how far we can go, together.
We are a disability confident committed employer. If you have a disability or need any reasonable adjustments during the application and selection stages, please email careers@babcockinternational.com 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.
Closing date: 05/05/2026
Commissioning Mechanical Test Engineer employer: Babcock International
Contact Detail:
Babcock International Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Commissioning Mechanical Test Engineer
✨Tip Number 1
Network like a pro! Reach out to current or former employees at Babcock on LinkedIn. A friendly chat can give us insights into the company culture and maybe even a referral!
✨Tip Number 2
Prepare for the interview by brushing up on your technical knowledge. We want to show off our skills in mechanical commissioning and testing, so be ready to discuss specific projects or challenges we've tackled.
✨Tip Number 3
Practice makes perfect! Conduct mock interviews with friends or family. This will help us articulate our experience and demonstrate our communication skills effectively.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure our application gets noticed. Plus, we can keep track of our application status easily.
We think you need these skills to ace Commissioning Mechanical Test Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Commissioning Mechanical Test Engineer role. Highlight your relevant experience in mechanical commissioning and testing, and don’t forget to mention any specific projects that showcase your skills.
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about this role and how your background aligns with Babcock's mission. Be sure to mention your understanding of safety and quality standards.
Showcase Teamwork Skills: Since this role involves working with multidisciplinary teams, make sure to highlight your collaborative experiences. Share examples of how you've effectively communicated and engaged with stakeholders in past projects.
Apply Through Our Website: We encourage you to apply through our website for a smoother application process. It’s the best way to ensure your application gets the attention it deserves, so don’t hesitate!
How to prepare for a job interview at Babcock International
✨Know Your Stuff
Make sure you brush up on your mechanical engineering principles and commissioning processes. Familiarise yourself with the specific systems you'll be working on, especially those related to submarines. This will not only help you answer technical questions but also show your genuine interest in the role.
✨Safety First
Since safety is paramount in this role, be prepared to discuss how you've applied safety standards in previous positions. Think of specific examples where you identified risks and implemented solutions. This will demonstrate your commitment to maintaining high safety and quality standards.
✨Team Player Vibes
This job requires collaboration with multidisciplinary teams, so be ready to share experiences where you worked effectively with others. Highlight your communication skills and how you’ve engaged with stakeholders to achieve common goals. It’s all about showing that you can thrive in a team environment.
✨Ask Smart Questions
Prepare thoughtful questions about the company culture, team dynamics, and the specific challenges faced in submarine commissioning. This shows that you're not just interested in the job, but also in how you can contribute to the team's success and the company's mission.