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ASSYSTEM

Engineering services for design, construction, commissioning

Mechanical Commissioning Engineer - Nuclear Fuel Handling

Mechanical EngineeringConfirmed live in the last 24 hours
Full-timeBridgwater, UK

About the Job

Requirements

  • A degree, HNC, or HND in Mechanical, Nuclear, Process, or Power Engineering.
  • Strong knowledge of mechanical systems in industrial environments.
  • Experience commissioning large industrial or power-generation systems.
  • Experience developing commissioning procedures and test documentation.
  • Knowledge of nuclear safety requirements and regulatory compliance.
  • Strong understanding of commissioning methodologies and system validation.
  • Fluent English communication skills, written and verbal.

Responsibilities

  • Develop commissioning documentation supporting testing and system validation activities.
  • Manage the full commissioning lifecycle for multiple radioactive waste systems.
  • Review plant designs to optimise commissioning and operational readiness.
  • Lead commissioning test programmes and analyse commissioning results.
  • Supervise contractor commissioning personnel during on-site activities.
  • Produce reports demonstrating system readiness and commissioning outcomes.
  • Collaborate with designers, contractors, and operational stakeholders.
  • Ensure compliance with nuclear safety and regulatory requirements.
  • Support commissioning planning, milestones, and project delivery objectives.
  • Maintain safe and effective interfaces throughout commissioning activities.

Desired Qualifications

  • Nuclear sector experience, particularly with Nuclear Island systems.

About the Company

ASSYSTEM

Engineering services for design, construction, commissioning

Assystem provides engineering services for complex projects, covering design, construction, supervision, commissioning, and operation, with a strong focus on the nuclear and energy sectors. Its approach combines multidisciplinary engineering teams and project-management capabilities to move projects from initial concept through to operation. The company differentiates itself through a long track record, strategic acquisitions (including Alphatem in 1995 and Mactech Energy Group in 2025) and an early public offering in 2013, which have expanded its capabilities and market reach in the energy and nuclear fields. Its goal is to be a leading, reliable partner for clients by delivering end-to-end engineering services and helping them meet safety, performance, and regulatory requirements across the project lifecycle.

Company size
5,001-10,000
Company stage
IPO
Headquarters
Paris, France
Founded
1966

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