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ASSYSTEM

Engineering services for design, construction, commissioning

Testing – Commissioning & Handover Manager

Building Services EngineeringConfirmed live in the last 24 hours
Full-timeWarrington, UKNo salary listedIn-person

About the Job

Requirements

  • A relevant technical HNC or Level 4 qualification, or Incorporated Engineer (IEng) status, supported by appropriate technical knowledge and practical experience.
  • Demonstrable experience managing commissioning teams and technical work packages, coordinating activities and ensuring delivery against project requirements, schedules and acceptance criteria.
  • Proven competence in developing, applying and reviewing test procedures, interpreting results and verifying that equipment, systems and completed works meet specified technical and operational requirements.
  • Sound knowledge of relevant plant, equipment, regulatory requirements and industry standards, with the ability to apply these effectively throughout testing, commissioning and handover.
  • Strong planning, coordination and organisational skills, with the ability to manage priorities, monitor progress, resolve issues and ensure commissioning activities are completed efficiently.
  • Demonstrable experience working within regulated engineering or industrial environments, with a clear understanding of compliance, safety, quality assurance and formal acceptance requirements.

Responsibilities

  • Lead the planning and coordination of commissioning and handover activities, ensuring milestones, resources, responsibilities and deliverables are clearly defined.
  • Establish and implement testing, commissioning and acceptance procedures to verify that completed works meet technical specifications, safety standards and operational requirements.
  • Coordinate interfaces between engineering, construction, commissioning and operational teams to resolve issues, manage dependencies and support efficient project delivery.
  • Maintain accurate and comprehensive commissioning documentation, test results, inspection records and supporting evidence to demonstrate compliance and readiness for acceptance.
  • Identify, assess and manage commissioning risks, constraints and outstanding issues, ensuring appropriate mitigation actions are implemented and tracked through to resolution.
  • Oversee the preparation, review and completion of handover documentation, ensuring all required records, certificates, test packs and outstanding actions are properly managed.
  • Support the controlled transfer of completed assets to operations, ensuring acceptance criteria are met, outstanding items are appropriately managed and operational teams receive the information needed for safe and effective operation.

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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