Job Title: Senior Piping Stress Engineer Location: Warrington, Cheshire OR Humberside, East Yorkshire Compensation: Competitive Salary Benefits Role Type: Full time / Permanent Role ID: SF68236 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 2,500 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 2031, and we’re building a major multidisciplinary team to make it happen. Day‑to‑day you’ll be required to: Perform piping stress analysis using Hexagon Caesar II and PV Elite. Review and approve vendor designs, drawings, and technical documentation. Coordinate with piping engineers, designers, and other disciplines to ensure seamless project delivery. Develop and finalise stress analysis design basis, critical line lists, and support specifications. 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: Proven experience with Hexagon Caesar II for pipe stress analysis. Proficiency in Hexagon PV Elite for pressure vessel analysis. 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: 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 (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 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. ‘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. Cavendish We’re Cavendish Nuclear — a team of c5,000 specialists and a core part of Babcock International Group. Here, you’ll be part of something bigger. Across clean energy, defence, and civil decommissioning, your work will contribute to projects that are critical to energy security and national protection. Together, we’re shaping a future that lasts — not only through the impact we make, but through meaningful careers that respect your work-life balance. Join us and discover 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: 05/02/2026 CAVDESTNUC CAV-MECHCAM