Job Title: Principal Shielding Consultant
Location: Warrington + Bristol + Leicester + Hybrid Working Arrangements
Compensation: Competitive + Benefits
Role Type: Full time / Permanent
Role ID: SF
Lead the future of nuclear safety and shape a safer world
At Cavendish Nuclear we’re working to create a safe and secure world, together, and if you join us, you can play your part as a Radiation Shielding Consultant.
The role
As a Principal Shielding Consultant, you’ll influence the design and performance of cutting‑edge facilities, mentor the next generation of specialists, and shape best practice across the shielding discipline. It’s work that makes a genuine difference, contributing to energy security, national protection and the future of safe nuclear operations. This role will also help accelerate your own development, giving you access to high‑impact projects and opportunities to broaden your leadership capabilities.
Day-to-day, you’ll play a key role in developing, verifying and delivering high‑quality shielding strategies for some of the UK’s most nationally significant nuclear and defence programmes. This is an opportunity to apply deep technical expertise to complex engineering challenges that keep people, infrastructure and the environment safe.
1. Prepare high‑quality shielding reports, calculations and technical documentation.
2. Verify complex technical outputs produced by other specialists.
3. Mentor and support junior shielding engineers, helping develop capability across the discipline.
4. Collaborate within multi‑disciplinary teams to identify challenges and deliver consistent, best‑practice shielding solutions.
5. Contribute to continuous improvement by shaping shielding processes, methodologies and standards.
This role is full time, 37 hours per week, adaptable and can be delivered from various locations, and provides hybrid working arrangements with two days in the office per week. Possible base office locations include – Bristol, Leicester and Warrington
Essential experience of the Principal Shielding Consultant
6. Significant experience in radiation shielding, including radiation transport codes and shielding methodology.
7. Proven track record delivering shielding solutions on complex engineering or nuclear projects.
8. Demonstrated leadership ability, guiding teams and supporting technical development.
9. Strong collaboration skills working across engineering, scientific or project-led disciplines.
10. Experience of developing shielding strategies from concept through to implementation.
Qualifications for the Principal Shielding Consultant
11. Degree in a relevant scientific or engineering discipline.
12. Additional technical qualifications in nuclear engineering, radiation protection or related specialisms - Desirable
13. Chartered status or working towards it - Desirable
Security Clearance
The successful candidate must be able to achieve and maintain Security Check (SC) security clearance for this role. Further details are available at United Kingdom Security Vetting: clearance levels - GOV.UK (
What we offer
14. Generous holiday allowance
15. Matched contribution pension scheme, with life assurance
16. Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
17. Employee share scheme
18. Employee shopping savings portal
19. Payment of Professional Fees
20. Reservists in the armed forces receive 10-days special paid leave
21. Holiday Trading is a benefit that allows UK Cavendish 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.
22. ‘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
23. Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing.
Cavendish Nuclear
As a leader within the UK nuclear industry, Cavendish Nuclear, part of