Job Description
Job Title: Principal/Senior Mechanical Engineer (Nuclear)
Location: Warrington (Hybrid: 3 days onsite, 2 days WFH)
Salary: Competitive
Job Type: Permanent | Full Time
About the Role
iO Associates is currently working with a leading engineering organisation involved in major UK nuclear projects. We're recruiting for a Principal/Senior Mechanical Engineer with expertise in bulk solids or powder handling systems, ideally for nuclear or other highly regulated sectors.
This is a unique opportunity to contribute to the safe and effective management of radioactive or hazardous powdered materials — ranging from fuel fabrication to waste processing — within complex engineering environments. Multiple positions are available.
Key Responsibilities
1. Lead the design, integration, and review of powder handling systems (e.g., hoppers, feeders, pneumatic conveyors, gloveboxes).
2. Apply engineering standards and nuclear safety principles across all design and project stages.
3. Produce and review technical documentation, including calculations, drawings, reports, and risk assessments.
4. Collaborate with multi-disciplinary teams including nuclear safety, process, and systems engineers.
5. Provide engineering oversight to ensure compliance with safety cases and relevant codes.
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