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Full-time
professional certificate
Generous Holiday Allowance, Matched Contribution Pension Scheme, Life Assurance, Digital GP, Annual Health Check, Nutritional Consultations
Posted 2d ago
Apply by Jul 9
~35 hrs/week
Responsibilities
Lead the constructive and mechanical commissioning activities for nuclear submarine systems to ensure safe return to service. Oversee the operation of mechanical plant and processes in compliance with nuclear site licenses and MOD authorization conditions.
Requirements
Requires substantial experience in commissioning nuclear submarine systems and a strong understanding of nuclear safety legislation. Candidates must hold a Level 3 or 4 engineering qualification and be able to achieve SC security clearance.
Full job description
Job Title: Principal Commissioning Engineer
Location: Plymouth, Devon
Compensation: £57,300 + Benefits
Role Type: Full time / Permanent
Role ID: SF71788
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 Principal Commissioning Engineer - Constructive at our Devonport Royal Dockyard site.
The role
As a Principal Commissioning Engineer – Constructive, you’ll have a role that’s out of the ordinary. play a vital role in ensuring the safe testing, setting‑to‑work and commissioning of nuclear submarine systems. Working within our Naval Nuclear business, you’ll lead constructive and mechanical commissioning activities across multiple submarine projects, helping to return these vital national defence assets safely back into service.
Day-to-day, you’ll be responsible for ensuring systems are operated, controlled and commissioned in alignment with Nuclear Site Licence requirements, Ministry of Defence Authorisation Conditions and all relevant safety legislation.
Oversee the safe operation and control of mechanical plant and processes, ensuring full compliance with nuclear safety regulations and MOD Authorisation Conditions.
Prepare and authorise Test Documentation to meet project programme requirements, aligned with corporate standards.
Promote and uphold a strong safety culture, ensuring safety documentation and Safe Systems of Work are understood and executed effectively.
Provide day‑to‑day management of constructive staff and support the Manager of Trials to drive development and resource planning.
Lead and develop your commissioning section to deliver high‑quality testing, setting‑to‑work and commissioning activities to time, cost and quality standards.
This role is full time, 35 hours per week and is based on site at Devonport Royal Dockyard.
Essential experience of the Principal Commissioning Engineer - Constructive
Substantial knowledge and experience of commissioning, operating and maintaining constructive/mechanical systems on nuclear submarines.
Strong understanding of Safe Systems of Work, safe release of systems and the Control of Work process.
Knowledge of relevant Licence Conditions, Operating Rules and Operating Instructions relating to nuclear commissioning.
Ability to manage multiple complex commissioning packages across several projects simultaneously.
Strong leadership, planning, organisational and communication skills, with the ability to work to a consistently high standard.
Qualifications for the Principal Commissioning Engineer - Constructive
Level 4 qualification in an engineering discipline, or Level 3 qualification with significant commissioning operations experience.
Additional professional development aligned to nuclear, mechanical or constructive engineering - Desirable
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
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 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
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[email protected] 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: 09/07/2026
#BABDESTNUC
Related keywords
Nuclear SubmarinesCommissioningMechanical EngineeringMOD Authorisation ConditionsNuclear Site LicenceSC Security ClearanceSafe Systems Of WorkNuclear Practitioner CourseDockyard Nuclear Systems CourseConstructive EngineeringNational DefenceTestingSetting-to-workNuclear SafetyProject Programme
Babcock is a FTSE 100 defence company, creating a safe and secure world, together.
Industry
Defense and Space Manufacturing
Company size
10,001+ employees
Headquarters
London
LinkedIn followers
278,782
Babcock is a FTSE 100 defence company operating in our focus countries of the UK, Australasia, Canada, France and South Africa, with exports to additional markets.
Our Purpose, to create a safe and secure world, together, defines our strategy. We support and enhance our customers’ defence and security capabilities and critical assets through a range of product and service solutions. We meet our customers’ requirements of value for money, increased availability, modernisation and flexibility.
These projects take all different kinds of professionals, from chartered engineers and project managers, to naval architects, data analysts and everything in between. To bring through the next generation of engineering and business experts, we offer apprenticeships and roles for students, graduates and fully-qualified professionals.
There’s never been a better time to join us. Whether you’re looking for a new business management project or engineering role, join Babcock and grow with us.
Babcock is a Disability Confident, Committed Employer
Offices: 33 Wigmore Street, London, W1U 1QX, GB
Support ServicesEngineeringProject Managementand Asset ManagementIndustrial EngineeringElectronicsNational SecurityNuclearBusiness DevelopmentInfrastructure
How many Manufacturing jobs are open in Plymouth, United Kingdom right now?
There are currently 36 open manufacturing positions in Plymouth, United Kingdom listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Manufacturing roles in Plymouth, United Kingdom?
Companies currently hiring include Babcock International Group, Plessey Semiconductors Ltd, AMETEK, Becton, Dickinson and Company, ADVICS Manufacturing Ohio, Inc., among others. Browse the listings above to see every active employer.
Are there remote or hybrid Manufacturing jobs in Plymouth, United Kingdom?
Yes — 10 of the 36 open manufacturing positions offer remote or hybrid work (0 remote, 10 hybrid).
How do I apply for Manufacturing jobs in Plymouth, United Kingdom?
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.