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Our Vacancy

EC&I Commissioning Engineer

  • Defence
  • Contracting /
  • Derby
  • 17/02/24
  • On site

Assystem is an international company with one mission: accelerate the energy transition around the world.

Every day, our 6,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy.

We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.

Drawing on more than 55 years’ experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering.

To ensure a viable, efficient, and reliable energy future for all.

Job Description

The CE&I Commissioning Engineer will be responsible to provide commissioning resource support within an embedded commissioning team.

This will involve embedding with the existing Commissioning team under the guidance and supervision of the Commissioning Engineering Manager. The client will conduct the technical governance for this project. It is expected that the Commissioning Engineer will adhere to the project specifications, requirements and acceptance criteria defined within the project verification, validation requirements matrix, in compliance with the Quality Management System, Project Delivery processes and procedures, whilst organising and managing and undertaking the commissioning activities on a Nuclear Licenses Site.

Key Accountabilities

  • Accountable for the delivery of the CE&I systems commissioning requirements on systems such as:
    • Nuclear, conventional, and environmental safety systems,
    • Control systems,
    • Process monitoring and control instrumentation,
    • Wastewater tanks and discharge monitoring,
    • Nuclear qualified cranes.
  • Accountable for ensuring that all standards, procedures and work instructions, and setting to work documentation has underpinning, for commissioning to adhered to.
  • Accountable for ensuring commissioning teams are appropriately organised and that key personnel are demonstrably competent to undertake their roles.
  • Maintain and promote high personal standards in environment, safety, health, security and quality and be a committed team player.

Key Responsibilities

  • Commissioning Engineers are required to work shifts to match existing commissioning function.
    • 2 shifts P/W April-June 2024, then to a
    • 3 shifts P/W June-December 2024.
  • Prepare (author) commissioning test procedures, documents, prepare safe systems of work for all works defined within the project scope and manage the approval process of the documents; commensurate with the appropriate Quality Control Grading, through the Testing & Commissioning Panel and facility work control approval processes.
  • Manage the commissioning of all systems that fall within the project scope.
  • Manage commissioning activities in scope through organisation of meetings, tests, demonstrations, any training events, and performance verifications.
  • Ensure commissioning procedures are adhered to and signed off with full and accurate records of the test results recorded onto the project electronic management system.
  • You may be required to fulfil any other reasonable duties aligned to your position from time to time in line with business needs as defined by the Commissioning Manager.


My profile


 To be successful in this role you will have the following skills:

  • Conduct of all Control, Electrical and Instrumentation aspects of system commissioning including experience from main power distribution boards through control instrumentation for process monitoring, control systems, wastewater management, safety systems monitoring and nuclear qualified cranes.
  • Awareness or experience in PLC, SCADA, HMI, data acquisition systems, instrumentation, and interface design implementation (but not essential).
  • Experience with authoring of Commissioning Test Procedures, Test reports and recording of results/faults identified.
  • Competent with Raising of Commissioning Fault Observations.
  • Definition, implementation, and testing of Temporary Modifications.
  • Experience in witnessing, supervision, and acceptance of vendor and supplier testing on-site.
  • Able to organise and execute commissioning tests and analyse results.
  • To able to perform initial operator duties during commissioning testing phases. (i.e., Non active commissioning).
  • A capability to adopt clients commissioning, quality and handover processes.
  • Understanding of Design Engineering, Construction and Handover processes.
  • Have a high level of understanding of Health and Safety, site control standards, permits, and safety case adherence.
  • Familiar with, and strict adherence to, Licence Condition 21 site arrangements.
  • Needs a good understanding of HSAWA, CDM, risk assessments.
  • Understanding of Safety Functional Requirements and Safety Justifications.
  • Good communication skills.
  • Good People and process management skills.
  • Require at least 2 to 5 years practical commissioning experience.
  • Requires general experience of interaction and interfacing with mechanical systems.


Umbrella Contractor Position 

SC Clearance required

Sole UK National

Must be able to hold a CSCS card or equivalent.


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.

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