Job Title: Site Investigator
Location: Plymouth, Devon
Compensation: £45,692 + Benefits
Role Type: Full time / Permanent
Role ID: SF72387
Turning Insight into Safer Outcomes Across a Nationally Critical Site
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 Site Investigator at our Devonport Royal Dockyard site.
As a Site Investigator, you’ll play a vital role in strengthening safety, learning and trust across one of the UK’s most important defence locations. Operating independently, you’ll lead and support investigations into events of varying severity, ensuring learning is identified, shared and embedded to prevent recurrence.
Day-to-day, you’ll directly influence safer ways of working, shape organisational learning and contribute to the long‑term resilience of critical national infrastructure. In return, you’ll build a respected career within defence, aerospace and engineering, supported by strong governance, professional standards and continuous development.
- Leading or supporting event investigations in an independent capacity, ensuring proportionate and robust outcomes.
- Analysing findings, identifying causal themes and producing clear, high‑quality investigation reports.
- Coaching and mentoring investigators to support consistent standards and effective learning.
- Reviewing investigation reports to ensure robustness, impartiality and alignment with Babcock principles.
- Sharing insights across the business to strengthen organisational learning and confidence in investigation processes.
This role is full time, 35 hours per week and is based on site at Devonport Royal Dockyard.
Essential experience of the Site Investigator
- Working knowledge of the Devonport site and its interface with the naval base and authorised site.
- Understanding of nuclear safety cases, plant management arrangements and regulatory frameworks.
- Knowledge of nuclear site licence requirements and statutory arrangements.
- Experience within submarine or nuclear programmes, operations and regulations.
- Familiarity with operating across complex, regulated operational environments.
Qualifications for the Site Investigator
- TOPSET Senior Investigator accreditation or equivalent.
- Nuclear Plant Foundation Course (Week 1).
- Submarine Product Safety Awareness.
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 (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 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. There is an annual Window to request this benefit. ‘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.
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: 16/04/2026
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