⚡️💡 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.
🤝 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.
Responsibilities:
🛠 Essential Skills and Qualifications
✔️ Desired Skills
🌟 Why Apply?
Join Assystem and be part of the energy transition, working on one of the most significant nuclear projects in the world. You’ll gain valuable experience, collaborate with international teams, and play a crucial role in shaping the future of energy engineering.
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.
Benefits include:
🏡 Hybrid Working Opportunity
🕒 Flexible working hours
🛡️ Pension scheme (8% company contribution / 4% personal contribution)
🏖️ 25 days’ paid annual leave + bank holidays + option to buy or sell days
💼 Professional fees reimbursed
💰 Employee referral scheme
🤒 Competitive Sick Pay – Support when you need it
🏥 Income Protection & 3x Salary Death-in-Service Cover
💪 Free Digital Gym Access – Expert-led fitness classes
📞 24/7 Employee Support Line – Mental health, financial & legal help
🌟 Join us to shape the future of energy engineering with a global leader in nuclear projects. Apply now and become a part of our innovative team!
#LI-Hybrid
Hybrid remote/in-office
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.

Assystem, one of the world's leading independent nuclear engineering companies, is committed to accelerating the energy transition. We see ourselves as an activist in the development of nuclear energy, convinced that it is an essential part of the fight against climate change.
8,000 switchers, spread in 13 countries in Europe, Asia, Africa and the Middle East are working every day to make the energy switch by accelerating the development of nuclear and renewable energies, power grids, clean hydrogen projects and low-carbon transport.
We design and supervise major projects through our engineering activities and accelerate our customers' digital transformation. We also develop new solutions to build faster and improve the performance of complex infrastructures.
59 years of experience have made Assystem a key partner of the world's largest industrial groups: CEA, EDF, ENEC, Enedis, Engie, Framatome, ITER, K.A. CARE, Naval Group, NICDC, Orano, RATP, Rolls Royce, Royal Commission, Sellafield, SNCF...
Assystem is ranked in the Top 3 companies in the nuclear energy sector.