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Principal Mechanical Engineer – Hybrid; Nuclear Systems

Job in Portsmouth, Hampshire County, PO5, England, UK
Listing for: Rullion Engineering Cumbria
Full Time position
Listed on 2026-07-12
Job specializations:
  • Engineering
    Mechanical Engineer, Systems Engineer
Job Description & How to Apply Below
Position: Principal Mechanical Engineer – Hybrid (Nuclear Systems)

Rullion Engineering Cumbria is seeking a Principal Mechanical Engineer to lead mechanical design work within multi-disciplinary teams in regulated nuclear environments. The role covers FEED to detailed design, commissioning, and operations support with emphasis on handling equipment and process systems.

You will drive technical studies, documentation, and collaboration with construction and decommissioning phases. Location flexibility includes Warrington or Abingdon with hybrid working patterns.

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