Mechanical/Senior Mechanical Engineer- Nuclear

Mechanical Engineer / Senior Mechanical Engineer - Contract (Inside IR35) Warrington (Hybrid - 3 Days Onsite) £51-£56 per hour Long-Term Contract | Major Nuclear Programme - PFDO, Sellafield Are you a Mechanical Engineer ready to step into a high-impact role on one of the UK's most critical nuclear programmes? We're supporting a key delivery partner on the PFDO project at Sellafield, and we're looking for a Mechanical Engineer or Senior Mechanical Engineer to help drive engineering excellence across complex, safety-critical work. The Opportunity You'll play a vital role in delivering engineering and technical activities across the project lifecycle-bringing your expertise to solve complex challenges and ensure high-quality outputs in a regulated environment. This is a fantastic opportunity to work on a flagship nuclear programme, collaborating with experienced teams while contributing to the safe and efficient delivery of major works. What You'll Be Doing Deliver mechanical engineering solutions across design and project phases Resolve complex technical issues using your specialist knowledge Produce and review technical reports, calculations, and documentation Ensure compliance with project specifications and stakeholder requirements Support and guide junior engineers within the team Build strong relationships with internal and external stakeholders Work independently or as part of a multi-disciplinary engineering team What We're Looking For Proven experience as a Mechanical Engineer or Senior Engineer Background in highly regulated industries (ideally nuclear) Strong technical problem-solving and analytical skills Experience producing and reviewing engineering documentation Ability to work autonomously with minimal supervision Strong stakeholder engagement and communication skills Key Details Location: Warrington (3 days onsite, hybrid working) Rate: £51-£61/hour (Inside IR35) Clearance: BPSS minimum (higher clearance beneficial) Project: PFDO Programme - Sellafield Why Apply? Be part of a major UK nuclear infrastructure programme Long-term contract stability High-impact engineering role with real responsibility Collaborative, forward-thinking project environment