Principal/Senior Mechanical Engineer - Nuclear

Abm Renovation; Warrington; Hybrid; GBP 50,000 - 80,000; Full time

Job summary

A leading engineering organization is seeking a Principal/Senior Mechanical Engineer to work on nuclear projects in Warrington. The role involves leading the design of powder handling systems and ensuring compliance with nuclear safety standards. Ideal candidates will have a strong background in mechanical engineering and experience within regulated environments.

Qualifications

• Background in mechanical engineering with exposure to bulk solids/powder handling.
• Experience in designing mechanical systems for regulated environments.

Responsibilities

• Lead design and integration of powder handling systems.
• Produce and review technical documentation and compliance with safety standards.

Skills

Mechanical Engineering

Bulk Solids Handling

Technical Documentation

Safety Compliance

Education

Degree in Mechanical Engineering

Job description

Principal/Senior Mechanical Engineer - Nuclear

Principal/Senior Mechanical Engineer - Nuclear

2 weeks ago Be among the first 25 applicants

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 avaliable.

Key Responsibilities

• Lead the design, integration, and review of powder handling systems (e.g., hoppers, feeders, pneumatic conveyors, gloveboxes).
• Apply engineering standards and nuclear safety principles across all design and project stages.
• Produce and review technical documentation, including calculations, drawings, reports, and risk assessments.
• Collaborate with multi-disciplinary teams including nuclear safety, process, and systems engineers.
• Provide engineering oversight to ensure compliance with safety cases and relevant codes.
• Support customer engagement, stakeholder management, and technical mentoring of junior engineers.
  
  

Essential Experience

• Background in mechanical engineering with strong exposure to bulk solids/powder handling, ideally in a regulated environment (nuclear, pharma, chemical, etc.).
• Proven ability to design or evaluate mechanical systems involving containment, flow control, or automated powder transfer.
• Experience in producing and reviewing detailed technical documents and engineering calculations.
• Collaborative approach to problem-solving across project teams.
  
  

Desirable (But Not Essential)

• Experience with glovebox or hot cell design.
• Knowledge of critically safety, ALARP, and radiological containment.
• Prior exposure to nuclear decommissioning, new build, or fuel cycle facilities.
  
  

Qualifications

• Degree preferred.
• Chartered or working towards professional registration (e.g., IMechE) is advantageous.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Machinery Manufacturing

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