At a Glance
- Tasks: Test and calibrate submarine systems to ensure operational readiness and national security.
- Company: Join Babcock, a global leader in defence engineering with a commitment to safety and innovation.
- Benefits: Enjoy generous holidays, pension schemes, health support, and professional development opportunities.
- Other info: Flexible working options and a culture that values inclusivity and personal growth.
- Why this job: Make a real impact on national security while working on cutting-edge engineering challenges.
- Qualifications: Mechanical engineering experience and a strong understanding of safety and quality standards required.
The predicted salary is between 41255 - 50500 £ per year.
Location: Helensburgh, Argyll and Bute
Compensation: £41,255 - £50,500 + Benefits + 35% Shift Allowance
Role Type: Full time / Permanent
Shape the future of defence engineering. 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 Mechanical Test Engineer at our HMNB Clyde, Faslane site.
The role:
- You’ll be at the heart of one of the UK’s most critical defence programmes.
- You’ll play a vital role in ensuring submarine systems are tested, calibrated, and commissioned to exacting standards - directly supporting operational readiness and national security.
- This is a unique opportunity to work on cutting‑edge engineering challenges, develop your technical expertise, and make a meaningful impact on the safety and performance of the Royal Navy’s fleet.
- Supporting the Senior Test Engineer to optimise team performance and resource utilisation.
- Applying safety, quality, and environmental policies during all commissioning tasks.
- Reviewing engineering documentation and contributing to cross‑disciplinary problem‑solving.
- Conducting mechanical testing, calibration, and commissioning activities on submarine systems.
- Collaborating with contractors and internal teams to manage risks and meet commissioning goals.
This role is full time, 36 hours per week and is based on site at HMNB Clyde, Faslane. Shift patterns apply and may vary depending on operational requirements. A shift allowance of 35% is included for roles working these patterns.
Essential experience:
- Proven experience in mechanical commissioning and testing.
- Ability to work autonomously and solve complex technical challenges.
- Strong understanding of safety and quality standards in engineering environments.
- Experience working in multidisciplinary teams and engaging with stakeholders.
- Commitment to continuous improvement and operational excellence.
Qualifications:
- Recognised Mechanical Engineering Apprenticeship or HNC in Mechanical Engineering (or equivalent with relevant 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.
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.
- ‘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 is 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. 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: 23/02/2026
Mechanical Test Engineer in Helensburgh employer: Nuclearinst
Babcock is an exceptional employer, offering a unique opportunity for Mechanical Test Engineers to contribute to critical defence programmes at our HMNB Clyde, Faslane site. With a strong commitment to employee development, generous benefits including a matched pension scheme and health support, and a culture that values work-life balance and inclusivity, Babcock fosters an environment where you can thrive while making a meaningful impact on national security.
StudySmarter Expert Advice🤫
We think this is how you could land Mechanical Test Engineer in Helensburgh
✨Tip Number 1
Network like a pro! Reach out to current or former employees at Babcock on LinkedIn. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.
✨Tip Number 2
Prepare for the interview by brushing up on your technical skills. Be ready to discuss specific mechanical testing scenarios and how you've tackled challenges in the past. Show them you're not just a candidate, but the right fit!
✨Tip Number 3
Don’t forget to highlight your teamwork experience! Babcock values collaboration, so share examples of how you've worked with multidisciplinary teams to achieve goals. It’s all about showing you can play well with others.
✨Tip Number 4
Finally, apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in joining the Babcock team. Let’s get you that Mechanical Test Engineer role!
We think you need these skills to ace Mechanical Test Engineer in Helensburgh
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Mechanical Test Engineer role. Highlight your relevant experience in mechanical commissioning and testing, and don’t forget to showcase your problem-solving skills. We want to see how you can contribute to our team!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about defence engineering and how your background aligns with our mission at Babcock. Keep it engaging and personal – we love to see your personality come through!
Showcase Your Teamwork Skills:Since collaboration is key in this role, make sure to mention any experience you've had working in multidisciplinary teams. We value strong communication and teamwork, so share examples of how you've successfully engaged with stakeholders in the past.
Apply Through Our Website:We encourage you to apply directly through our website for the best chance of success. It’s straightforward and ensures your application gets to the right people. Plus, you’ll find all the details you need about the role and our company there!
How to prepare for a job interview at Nuclearinst
✨Know Your Stuff
Make sure you brush up on your mechanical engineering principles and the specific testing and commissioning processes relevant to submarine systems. Familiarise yourself with safety and quality standards in engineering environments, as these will likely come up during the interview.
✨Showcase Your Experience
Prepare to discuss your previous experience in mechanical commissioning and testing. Have specific examples ready that demonstrate your ability to solve complex technical challenges and work autonomously, as this is crucial for the role.
✨Team Player Mindset
Since collaboration is key in this role, be ready to talk about your experience working in multidisciplinary teams. Highlight how you've engaged with stakeholders in the past and contributed to cross-disciplinary problem-solving.
✨Ask Smart Questions
Prepare thoughtful questions about the role and the company. Inquire about the team dynamics, the types of projects you'll be involved in, and how Babcock supports continuous improvement and operational excellence. This shows your genuine interest in the position and the company.
