Job Title: Senior Safety Case Engineer
Location: Flexible, UK + Hybrid Working Arrangements
Compensation: Attractive Salary + Benefits
Role Type: Full time / Permanent
Role ID: SF
Shape Safety, Win Work, and Influence the Future of the UK’s Nuclear Landscape
About Us
At Cavendish Nuclear, we’re working to create a safe and secure world, together. If you join us, you can play your part as a Senior Safety Case Engineer within our Business Winning team at one of our main sites: Warrington (Cheshire), Preston (Lancashire), Leicester (Leicestershire), Newbury (Berkshire), or Bristol.
As part of our Business Winning team, you’ll play a central role in developing the safety case solutions that help us secure the major clean‑energy, nuclear‑defence and decommissioning programmes that support the UK’s long‑term resilience. You’ll shape innovative approaches, influence high‑value bids, and guide technical excellence from the earliest stages of project development.
The Role
As a Senior Safety Case Engineer within our Business Winning, you’ll bring your deep safety case knowledge to the early phases of project development.
This is a full‑time role based at one of our main sites: Warrington (Cheshire), Preston (Lancashire), Leicester (Leicestershire), Newbury (Berkshire), or Bristol with travel to other Cavendish Nuclear and customer locations as required. Hybrid working arrangements are available.
Day‑to‑day you’ll be required to:
1. Lead safety‑case contributions to major bids.
2. Develop safety case scopes, schedules, and verification plans.
3. Produce and review safety case documentation and technical reports.
4. Support hazard identification and risk assessment processes.
5. Promote collaboration and continuous improvement.
Essential experience for the Senior Safety Case Engineer:
6. Proven experience within a highly regulated environment.
7. Experience contributing to safety case documentation.
8. Understanding of ALARP principles and ONR Safety Assessment Principles.
9. Ability to prepare technical analyses and safety submissions.
10. Experience working with multidisciplinary engineering teams.
Qualifications of the Senior Safety Case Engineer:
11. Bachelor’s degree in a relevant science or engineering discipline.
Security Clearance
The successful candidate must be a sole UK national who is 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. 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 receive 10‑days special paid leave
19. Holiday Trading scheme
20. ‘Be Kind Day’ volunteering leave
21. Flexible working options
22. A dynamic working environment
Cavendish Nuclear
We’re Cavendish Nuclear — a team of c5, specialists and a core part of