Maintenance and Substantiation Engineer
Maintenance and Substantiation Engineer

Maintenance and Substantiation Engineer

Plymouth Full-Time 37000 - 49000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Support the Royal Navy's submarine refit programme with engineering and maintenance documentation.
  • Company: Join Babcock, a leader in national defence and engineering.
  • Benefits: Generous holiday, pension scheme, health support, and professional development opportunities.
  • Why this job: Make a real impact on national security while growing your technical expertise.
  • Qualifications: Background in electrical engineering; HNC preferred but strong field experience considered.
  • Other info: Flexible working options and a commitment to inclusivity.

The predicted salary is between 37000 - 49000 £ per year.

Job Title: Maintenance Substantiation Engineer – Electrical
Location: Plymouth, Devon
Compensation: £43,935 + Benefits
Role Type: Full time / Permanent
Role ID: SF68588
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.

  • Producing and amending maintenance documentation for electrical assets across nuclear and non-nuclear sites.
  • Interpreting drawings, manuals, and safety reports to ensure compliance with statutory legislation and design standards.
  • Delivering documentation aligned with Licence Conditions and nuclear safety cases.
  • Collaborating with engineering and safety teams to meet project goals.
  • 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

  • Proven background in electrical engineering, ideally with maintenance experience.
  • Experience in HV/LV systems or control and instrumentation environments.
  • Understanding of nuclear safety case substantiation (training provided).
  • Ability to work within regulated environments and meet compliance standards.

Qualifications For The Maintenance Substantiation Engineer

  • Higher National Certificate (HNC) in a relevant engineering discipline preferred.
  • 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 United Kingdom Security Vetting: clearance levels – GOV.UK )

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 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 email 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: 03/11/2025

BABDESTNUC

Maintenance and Substantiation Engineer employer: Babcock International Group

At Babcock, we pride ourselves on being an exceptional employer, offering a supportive work culture that values employee growth and development. As a Maintenance Substantiation Engineer at our Devonport Royal Dockyard site, you will enjoy a competitive salary, generous benefits including a matched pension scheme, and unique opportunities to contribute to national defence while working in a highly specialised environment. Our commitment to inclusivity and flexibility ensures that every team member can thrive both personally and professionally.
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Contact Detail:

Babcock International Group Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Maintenance and Substantiation Engineer

✨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 knowledge. Make sure you can discuss your experience with electrical systems and compliance standards confidently. We want to see your passion for engineering!

✨Tip Number 3

Showcase your problem-solving skills during interviews. Think of examples where you've tackled challenges in maintenance or engineering. We love hearing about how you’ve made a difference in past roles!

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re serious about joining our team at Babcock.

We think you need these skills to ace Maintenance and Substantiation Engineer

Electrical Engineering
Maintenance Experience
HV/LV Systems
Control and Instrumentation
Nuclear Safety Case Substantiation
Regulatory Compliance
Technical Documentation
Drawing Interpretation
Collaboration Skills
Problem-Solving Skills
Attention to Detail
Adaptability
Safety Awareness
Field Experience

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Maintenance Substantiation Engineer role. Highlight your electrical engineering experience and any relevant maintenance work you've done. We want to see how your skills match what we're looking for!

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 you can contribute to our team at Babcock. We love seeing genuine enthusiasm and a clear understanding of the job.

Showcase Relevant Experience: When filling out your application, be sure to showcase any experience with HV/LV systems or control and instrumentation environments. If you've worked in regulated environments before, let us know – it’s a big plus!

Apply Through Our Website: Don’t forget to apply through our website! It’s the best way to ensure your application gets to us directly. Plus, you’ll find all the details you need about the role and our company there.

How to prepare for a job interview at Babcock International Group

✨Know Your Electrical Stuff

Make sure you brush up on your electrical engineering knowledge, especially around HV/LV systems and control instrumentation. Be ready to discuss your past experiences and how they relate to the role of a Maintenance Substantiation Engineer.

✨Understand Nuclear Safety

Familiarise yourself with nuclear safety case substantiation, even if training will be provided. Showing that you have a basic understanding of compliance standards and safety regulations will impress the interviewers.

✨Prepare for Technical Questions

Expect technical questions related to maintenance documentation and interpreting engineering drawings. Practise explaining complex concepts in simple terms, as this will demonstrate your communication skills and technical expertise.

✨Show Your Team Spirit

Collaboration is key in this role, so be prepared to discuss examples of how you've worked effectively in teams. Highlight any experience working in regulated environments and how you contributed to meeting project goals.

Maintenance and Substantiation Engineer
Babcock International Group

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