Configuration Engineer

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About Assystem
Join Assystem, a global leader in engineering and project management, driving the energy transition worldwide. With over 8000 Switchers, we blend our extensive engineering heritage with cutting‑edge digital technologies to support vital infrastructure projects such as Hinkley Point C, Sizewell C, and Small Modular Reactors. We help design and deliver the next generation of low‑carbon power, ensuring major nuclear projects are completed safely, efficiently, and to the highest standards.

Our mission is to accelerate the clean energy transition, and we’re seeking passionate professionals to be part of this journey.

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Why Join the Community of Switchers?As one of the top three nuclear engineering companies globally, Assystem offers unparalleled opportunities to work on some of the most significant nuclear projects in the world. You’ll work alongside industry‑leading experts in your future team, supporting the development of vital energy infrastructure that will power the United Kingdom for decades to come. Join our community and be part of a team that’s shaping the future of clean energy, while benefiting from a dynamic, collaborative work environment.

As a Configuration Engineer working on the Sizewell C project, you will play a vital role in maintaining the integrity of plant configuration records and ensuring accurate documentation throughout the project. You will support the coordination of changes, manage configuration registers, and act as a key point of contact for your allocated systems.

You will be responsible for ensuring that configuration data and processes remain accurate and reliable through design and construction. Your future team will rely on your ability to maintain compliance, resolve technical queries, and support the smooth progression of engineering and construction activities.

• Implementing configuration management across design changes, open‑points, interfaces between different internal and external stakeholders ensuring a consistent and optimised design for the Project.
• Ensuring the resolution of various cross‑functional technical issues and queries by coordinating multidisciplinary stakeholders.
• Participates where necessary in coordination meetings organised by the various parties involved in the project (modification committee, project decision meeting, etc.)
• Provide accurate data and present updates to project managers and engineering leads on progress, including KPI production, data analysis to support management and decision making.
• Support configuration management standards across engineering and construction activities.
• Actively support the processing, review of redlines, and updates to technical design documents and drawings.
• Coordinate reviews of design documents and drawings with engineering teams.
• Assist with audits and assurance checks in your area of responsibility.
• Champion best practice in configuration processes to support project success.
• Maintain and update Plant Configuration Registers for your designated area.
• Manage the processing of design evolution requests and notices.
• Monitor and track interfaces between work packages.

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Essential Skills and Qualifications

• Bachelors / Masters degree in Mechanical, Electrical or Civil engineering
• Several years of experience in one or several engineering disciplines which can include nuclear safety, electrical, mechanical, systems, civil, layout.
• Experience in EPR projects and Nuclear New Build
• Experience with configuration, design, or technical documentation processes
• Strong attention to detail when handling technical data and drawings
• Competent user of Microsoft Office tools (Word, Excel, etc.)
• Confident communicator with engineering and construction teams
• Experience in a regulated or highly technical environment
• Knowledge of large industrial projects (energy, oil & gas, steel, manufacturing)
• Familiarity with design change or construction change management processes
• Awareness of quality management or technical audit practices

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Why Apply?

Join Assystem and be part of the energy transition, working on one of the most significant nuclear projects in the world.…