Job title: Senior Mechanical Engineer - 5 year minimum in the Nuclear sector Job Type: Permanent Start date: February 2026 Salary: Competitive Location: Warrington Hours of work: Up to 37 hours per week Role Overview: As a Senior Mechanical Engineer at Orano Limited, you will deliver and manage technical studies and projects, providing expertise from conceptual design through construction and commissioning. You will work on mechanical processes, handling systems, powder technologies, and mechanical dismantling in high-active environments and gloveboxes. Key Responsibilities: Design mechanical processes and produce deliverables such as flow diagrams, drawings, P&IDs, technical notes, and specifications. Conduct technical studies for mechanical handling, powder processing, and heavy transfer systems. Collaborate with Orano experts and manage contractor follow-up. Preferred Qualifications & Experience: Degree in Mechanical Engineering or relevant discipline. 6 years' experience in mechanical engineering, ideally in nuclear or regulated sectors. Experience in engineering design, technical studies, and project delivery. Full member or working towards chartership of a relevant professional body. Recognised Subject Matter Expert (SME). Ability to hold SC UK Security Clearance. Interested in this position? please click "apply now" We try to respond to all applicants, but sometimes this is not possible due to high volumes of applications; if you have not heard from us within 14 days, regrettably it means you have been unsuccessful on this occasion. Company information: This contract vacancy is being advertised by Rullion Ltd Since 1978, Rullion has been securing exceptional candidates for a range of clients; from large well-known brands, to SMEs and start-ups. As a family-owned business, Rullion's approach is credible and honest, focused on building long-lasting relationships with both clients and candidates. Rullion is a forward-thinking recruitment company that specialises in providing a wide range of talent consultancy services to a diverse client base; from small start-ups to large household names. We celebrate and support diversity and are committed to ensuring equal opportunities for both employees and applicants. Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.