Job Title: Senior Piping Stress Engineer
Location: Warrington, Cheshire OR Humberside, East Yorkshire
Compensation: Competitive Salary + Benefits
Role Type: Full time / Permanent
Role ID: SF
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 Senior Piping Stress Engineer, at our Warrington (Cheshire) or Humberside (East Yorkshire) site
The role
As a Senior Piping Stress Engineer, you’ll have a role that’s out of the ordinary. You’ll be at the heart of one of the UK’s most strategically important nuclear programmes. This is a chance to work on a project that truly matters, while advancing your career in a dynamic, multidisciplinary environment.
Cavendish Nuclear is powering one of the UK’s most strategically important nuclear programmes, partnering with Springfield Fuels Limited to deliver a brand‑new, cutting‑edge facility at the Springfields site in Preston that will convert Reprocessed Uranium into UF6 at a scale of 2, tonnes per year. This nationally critical project, featuring a new RepU conversion plant, a Fluorine Production Plant and modern support facilities, is set to be operational by, and we’re building a major multidisciplinary team to make it happen.
Day‑to‑day you’ll be required to:
1. Perform piping stress analysis using Hexagon Caesar II and PV Elite.
2. Review and approve vendor designs, drawings, and technical documentation.
3. Coordinate with piping engineers, designers, and other disciplines to ensure seamless project delivery.
4. Develop and finalise stress analysis design basis, critical line lists, and support specifications.
5. Attend client and subcontractor meetings, providing technical expertise and guidance.
This is a permanent, full‑time role working 37 hours per week based in Warrington (Cheshire) or Humberside (East Yorkshire).
Essential experience of the Senior Piping Stress Engineer:
6. Proven experience with Hexagon Caesar II for pipe stress analysis.
7. Proficiency in Hexagon PV Elite for pressure vessel analysis.
8. Strong knowledge of ASME B31.1 and B31.3 piping codes, plus BS EN standards for pressure and industrial piping.
Qualifications for the Senior Piping Stress Engineer:
9. Degree in Engineering or equivalent experience.
Security Clearance
The successful candidate must be able to achieve and maintain Standard (BPSS) security clearance for this role. Further details are available at United Kingdom Security Vetting: clearance levels - GOV.UK (
What we offer
10. Generous holiday allowance
11. Matched contribution pension scheme, with life assurance
12. Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
13. Employee share scheme
14. Employee shopping savings portal
15. Payment of Professional Fees
16. Reservists in the armed forces receive 10-days special paid leave
17. 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.
18. ‘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
19. 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