Testing, Commissioning & Handover Manager

ASSYSTEM; Warrington; On-site; GBP 60,000 - 90,000; Full time

Job summary

ASSYSTEM is seeking a Commissioning & Handover professional to coordinate testing, commissioning and handover activities for nuclear sector projects in the UK. You will lead planning, manage interfaces among engineering, construction, and operations, and ensure evidence and records meet stringent safety and regulatory requirements.

You will establish robust testing procedures, maintain comprehensive commissioning documentation, and drive risk management to ensure assets are ready for safe and

Qualifications

• Experience managing commissioning teams and technical work packages.
• Proven ability to develop, apply and review test procedures and acceptance criteria.
• Sound knowledge of plant, equipment, regulatory requirements and industry standards.
• Ability to plan, coordinate and prioritise commissioning activities in regulated environments.

Responsibilities

• Coordinate and oversee testing, commissioning and handover activities to meet safety, quality and operational acceptance requirements.
• Lead commissioning and handover planning with clear milestones, resources and deliverables.
• Establish and implement testing, commissioning and acceptance procedures for compliance.
• Coordinate interfaces between engineering, construction, commissioning and operations.
• Maintain commissioning documentation, test results and evidence for readiness for acceptance.
• Identify, assess and manage commissioning risks and mitigation actions.
• Oversee completion of handover records and records management.
• Support the controlled transfer of assets to operations with proper handover.

Skills

Commissioning leadership

Team management

Planning & organisation

Regulatory compliance

Testing procedures

Interfaces coordination

Documentation control

Risk management

Education

HNC or Level 4 qualification / IEng status

Job description

• Full-time
• Type of contract ASSYSTEM: Permanent
• ASSYSTEM Sector: Nuclear

Company Description

Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.

Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.

Job Description

Coordinate and oversee testing, commissioning and handover activities, ensuring completed works meet all technical, safety, quality and operational acceptance requirements before being transferred into service.

Opportunity Overview

Establish and implement consistent commissioning and asset handover arrangements that support a smooth transition from construction to operational use. Ensure commissioning activities are effectively planned, interfaces are well coordinated, evidence is complete and assets are ready for safe and reliable operation.

Commissioning & Handover Planning: Lead the planning and coordination of commissioning and handover activities, ensuring milestones, resources, responsibilities and deliverables are clearly defined.

Testing & Acceptance Procedures: Establish and implement testing, commissioning and acceptance procedures to verify that completed works meet technical specifications, safety standards and operational requirements.

Engineering & Construction Interfaces: Coordinate interfaces between engineering, construction, commissioning and operational teams to resolve issues, manage dependencies and support efficient project delivery.

Commissioning Evidence: Maintain accurate and comprehensive commissioning documentation, test results, inspection records and supporting evidence to demonstrate compliance and readiness for acceptance.

Commissioning Risk Management: Identify, assess and manage commissioning risks, constraints and outstanding issues, ensuring appropriate mitigation actions are implemented and tracked through to resolution.

Completion & Handover Records: Oversee the preparation, review and completion of handover documentation, ensuring all required records, certificates, test packs and outstanding actions are properly managed.

Operational Transfer: 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.

Qualifications

Experience & Capability

Technical Qualifications: A relevant technical HNC or Level 4 qualification, or Incorporated Engineer (IEng) status, supported by appropriate technical knowledge and practical experience.

Commissioning & Team Management: Demonstrable experience managing commissioning teams and technical work packages, coordinating activities and ensuring delivery against project requirements, schedules and acceptance criteria.

Testing & Technical Assessment: 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.

Plant, Regulations & Standards: Sound knowledge of relevant plant, equipment, regulatory requirements and industry standards, with the ability to apply these effectively throughout testing, commissioning and handover.

Planning & Organisation: Strong planning, coordination and organisational skills, with the ability to manage priorities, monitor progress, resolve issues and ensure commissioning activities are completed efficiently.

Regulated Environments: Demonstrable experience working within regulated engineering or industrial environments, with a clear understanding of compliance, safety, quality assurance and formal acceptance requirements.

Additional Information

Whilst we encourage applications from all nationalities, Assystem within the UK are subject to security and export control restrictions due to the nature of work to be undertaken.

These restrictions mean that factors including your nationality, any previous nationalities you have held, and/or your place of birth may limit those roles that you can perform for the organisation.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.