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Senior Mechanical Engineer

Warrington, England, gb💼 Full-time🗓 2026-07-24 → 2026-10-02

Core

Deliver mechanical work scope including production, checking, detailed design, and testing for nuclear facility projects.

Role type

Senior Mechanical Engineer (Staff/Contract)

Builds

Machinery assemblies, layout drawings, flow diagrams, and technical compliance files for nuclear infrastructure. (via careerplan.io/jobs/744000139600363-senior-mechanical-engineer-at-assystem)

Domain

Nuclear engineering and highly regulated industrial sectors

Required skills

mechanical design, design for assembly, technical file compilation, engineering calculations, machining and fabrication knowledge, regulatory compliance (UK CA/machinery directive), multi-discipline collaboration

Preferred skills

nuclear industry experience, SC level security clearance, report writing, workload management

Technologies

CAD tools for layout and detailed design drawings, flow diagram software

Responsibilities

Supervise designers in producing layout and detailed design drawings; produce calculations to verify detailed design; compile technical files for machinery/UK CA compliance; support design through testing and execution phases; liaise with multi-discipline design and plant-based teams

Seniority

Senior, hands-on IC with mentorship of designers