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Principal Mechanical Engineer

Job in Sunderland, Tyne and Wear, CA13, England, UK
Listing for: Assystem GmbH
Full Time position
Listed on 2026-06-01
Job specializations:
  • Engineering
    Systems Engineer, Engineering Design & Technologists, Environmental Engineer
Salary/Wage Range or Industry Benchmark: 125000 - 150000 GBP Yearly GBP 125000.00 150000.00 YEAR
Job Description & How to Apply Below

Fusion and Modular Nuclear Business Unit

Reporting to the FEED Engineering Manager, you will be responsible for delivering Front Engineering activities for Small Modular Reactors, Advanced Modular Reactors, and Fusion projects.

Responsibilities
  • Deliver Front Engineering activities for Small Modular Reactors, Advanced Modular Reactors, and Fusion projects.
  • Spearhead delivery of cutting‑edge power station systems.
  • Lead optioneering studies to identify the ultimate solution that aligns with client objectives.
  • Lead a dynamic team in crafting and refining key design documents, from Process Flow Diagrams to Equipment Datasheets, ensuring precision and excellence.
  • Direct the development of Design Description Documents and Requirement Specifications to drive innovation and efficiency.
  • Seamlessly integrate developed systems into the broader plant infrastructure for optimal performance.
  • Act as the technical lead for designated scopes, guaranteeing top‑notch expertise and oversight.
  • Chair Design Reviews and lead HAZID/HAZOP studies with multidisciplinary teams to ensure safety and excellence in all project facets.
  • Enforce strict adherence to company statutory H&S policies and regulations, ensuring compliance with project and Quality Management System standards.
Benefits
  • Over 55 years of experience in nuclear engineering.
  • Ranked among the top three largest nuclear engineering companies.
  • Attractive social benefits, including an engaging Employee Committee and holiday bonuses.
  • Ongoing training with numerous career opportunities.
  • 70% of our managers are promoted internally.
  • Hybrid work: 1‑2 days remote per week.
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