As a Principal Piping Stress Engineer, you’ll have a role that’s out of the ordinary. You’ll lead the stress analysis and integrity of complex piping systems that sit at the heart of a nationally critical programme – including new fuel conversion capability being delivered at the Springfields site in Preston. 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 that will convert re‑processed uranium into UF6 at a scale of 2,500 tonnes per year. This nationally critical project features a new RepU conversion plant, a fluorine production plant and modern support facilities and is set to be operational by 2031. We’re building a major multidisciplinary team to make it happen.
Responsibilities
Lead the piping stress analysis design basis, critical line list and support specifications for complex process and power systems.
Perform piping stress analysis and pressure vessel assessments using Hexagon Caesar II and PV Elite, including static/dynamic flexibility studies.
Select and qualify pipe supports, and conduct vibration studies to identify sources and mitigate risks to safety, reliability and performance.
Review and approve vendor drawings, data sheets and analysis, acting as an intelligent customer and ensuring quality assurance and quality control standards.
Collaborate with piping engineers, designers, vendors and client counterparts, undertaking site visits and coordinating interfaces across disciplines.
This is a permanent, full‑time role working 37 hours per week based in Warrington (Cheshire) or Humberside (East Yorkshire).
Essential Experience
Demonstrable proficiency with Hexagon Caesar II for piping stress analysis.
Demonstrable proficiency with Hexagon PV Elite for pressure vessel analysis.
Applied experience with ASME B31.1 (Power Piping) and ASME B31.3 (Process Piping), and familiarity with BS EN 13480 for metallic industrial piping.
Strong track record reviewing third‑party analyses and vendor documentation, with intelligent customer oversight.
Ability to coordinate multi‑disciplinary teams and deliver within robust QA/QC frameworks.
Qualifications
Degree in Engineering (mechanical or related discipline) or equivalent experience.
Deep, hands‑on experience in piping stress engineering within industrial, power or process environments.
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 (www.gov.uk).
Benefits
* 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 allows UK Cavendish employees to buy additional leave or 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
* Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing.
Why Cavendish Nuclear?
Cavendish Nuclear, part of Babcock International Group, is a leader within the UK nuclear industry, providing a comprehensive range of critical nuclear solutions in clean energy, defence and civil new‑build and decommissioning projects. Together, we’re innovating to make nuclear safer, faster and cost‑effective across the nuclear energy life cycle. Your career with us could take you anywhere within Babcock International Group – from Canada, the USA to Japan. Work with us to create a safe and secure world, together.
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