Job Title: Maintenance Substantiation Engineer - Electrical
Location: Plymouth, Devon
Compensation: £43, + Benefits
Role Type: Full time / Permanent
Role ID: SF
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 Maintenance Substantiation Engineer at our Devonport Royal Dockyard site.
The role
As a Maintenance Substantiation Engineer, you’ll have a role that’s out of the ordinary. You’ll be a vital part of our Devonport Engineering Technical Authority team, supporting the Royal Navy’s submarine refit programme.
Day-to-day, you’ll deliver engineering support and maintenance documentation for a wide range of electrical assets across our Nuclear Licensed Site, MOD Authorised Site, and Non-Nuclear areas. This is a unique opportunity to contribute to national defence, develop your technical expertise, and grow your career in a highly specialised environment.
1. Producing and amending maintenance documentation for electrical assets across nuclear and non-nuclear sites.
2. Interpreting drawings, manuals, and safety reports to ensure compliance with statutory legislation and design standards.
3. Delivering documentation aligned with Licence Conditions and nuclear safety cases.
4. Collaborating with engineering and safety teams to meet project goals.
5. Occasionally working in radiologically controlled areas, at height, or in confined spaces (training provided).
This role is full time, 35 hours per week and is based on site at Devonport Royal Dockyard.
Essential experience of the Maintenance Substantiation Engineer
6. Proven background in electrical engineering, ideally with maintenance experience.
7. Experience in HV/LV systems or control and instrumentation environments.
8. Understanding of nuclear safety case substantiation (training provided).
9. Ability to work within regulated environments and meet compliance standards.
Qualifications for the Maintenance Substantiation Engineer
10. Higher National Certificate (HNC) in a relevant engineering discipline preferred.
11. Candidates with strong field experience and willingness to work towards HNC will be considered.
Security Clearance
The successful candidate must be a sole UK national who is able to achieve and maintain Naval Nuclear Propulsion Information (NNPPI) 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
What we offer
12. Generous holiday allowance
13. Matched contribution pension scheme, with life assurance
14. Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
15. Employee share scheme
16. Employee shopping savings portal
17. Payment of Professional Fees
18. Reservists in the armed forces receive 10-days special paid leave
19. 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.
20. ‘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.
21. Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing.