Commissioning Engineer (Control & Instrumentation)

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.

Your future team:

Join our Commissioning Team out in France where you will be working under the Commissioning Manager. You will play a pivotal role in overseeing hands on commissioning activites at our client’s facilities in Valduc France.

You will be joining one of three commissioning Team working on a rota of 3 weeks on (located in France) and 1 week off.

Your Missions:

 🌐 Ensure delivery of network architecture, cyber-security, PLC, SCADA, HMI, data acquisition systems, instrumentation, and interface design.

🛠️C&I systems commissioning from design to completion within budget, maintaining safety, quality, time, and performance standards.

📑  Author commissioning documents and ensure safe work systems are in place and all procedures are adhered to and signed off with full and accurate records of the test results recorded.

📅 Organize commissioning activities, including meetings, tests, demonstrations, and training events.

Why join the community of Switchers?:

💥 Assystem has over 55 years of experience in nuclear engineering. We are among the top 3 largest nuclear engineering companies.

💥 Collaborative Environment: Join a dynamic team of experts who are passionate about driving progress and supporting each other's growth.

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

🔧 Experience commissioning C&I command and control systems for high-energy X-ray machines.

💻 Familiarity with panorama SCADA (CODRA) application configuration platform is highly desirable but not essential

⚡ Hands-on experience with commissioning, defect repair, and maintenance of high-energy X-ray equipment.

🔍 Ability to fault find PLC logic, address hardware faults, and perform diagnostic checks.

👷‍♂️ Onsite management of trade support team for operations, defect repair, and maintenance.

🏭 Experience with factory acceptance testing and documentation vetting.

📐 Understanding of Design Engineering, Construction, and Handover processes.

🧪 Ability to organize and execute complex commissioning tests and analyze results.

🚀 Capability to perform initial operator duties during commissioning testing phases.

📜 Understanding of HSAWA, CDM, and risk assessments.

⚙️ Knowledge of Safety Functional Requirements and Safety Justifications.

📚 Demonstrable knowledge of IET Wiring Regulations BS7671 and related standards (e.g., BS EN 60204).

Due to the nature of this role the successful candidate will require Security clearance, and ideally DV. To gain this they will be required to be a Sole UK national, 

Location:  CEA Valduc, France 3 weeks (onsite), 1 week leave.

Hours: Up to 50 hours per week

Must hold a CSCS Card

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.