CRS6JP00014732, Job Posting Title: Senior Process Engineer

Senior Process Engineer 3 positions available Locations: Warrington or Bristol Working Pattern: Hybrid - 3 days per week on site Contract Length: 12 months IR35 Status: Inside IR35 Security Clearance: UK Security Check (SC) - required Start: Subject to clearance & onboarding The Role We are seeking experienced Senior Process Engineers to support a strategically important programme within the UK nuclear sector. This role will be supporting the technical development, assessment and delivery of process solutions associated with the handling, conversion, and potential reuse of reprocessed uranium originating from historic reprocessing operations. You will play a key role in process definition, safety justification, and technical assurance across the fuel cycle, working within a highly regulated nuclear environment. Key Responsibilities Lead and deliver process engineering activities across RepU-related systems and facilities Develop and review process flows, mass balances, PFDs and P&IDs Provide technical input into safety cases, hazard studies (HAZOP/HAZID), and ALARP arguments Support options studies for storage, conversion, enrichment or reuse of RepU materials Interface with nuclear safety, operations, mechanical and commissioning teams Ensure designs comply with UK nuclear regulatory requirements and site licence conditions Contribute to design reviews, technical reports and regulatory submissions Act as a senior technical authority and mentor junior engineers where required Essential Experience Proven experience as a Senior Process Engineer in the nuclear industry Strong background in nuclear fuel cycle, reprocessing, waste or materials handling Experience working in high-hazard, regulated environments Familiarity with UK nuclear standards and safety case development Ability to work on site and collaborate with multi-disciplinary teams Active SC clearance (or clearable) Desirable Previous experience with Sellafield, fuel reprocessing or uranium conversion projects Knowledge of RepU, MOX, enrichment or fuel fabrication processes Chartered Engineer status or working towards it If you've got strong nuclear process engineering experience and active SC clearance, this is a chance to work on a technically complex, nationally significant project. Please click to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement. To find out more about Progressive please visit Progressive Recruitment, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales