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 allJob DescriptionYour Mission:The Civil Engineer will work as part of a multi-disciplinary engineering team within a Client's Approving Authority, primarily supporting operations and future programs at the client sites. The role involves working alongside Mechanical, Civil, Building Services, and Electrical Engineers to author, develop, assess, and maintain Engineering Design Substantiation for Clyde Nuclear Facilities. The goal is to ensure that Design Intent, Critical Safety Functions, and Safety and Operational Requirements are met in accordance with current best practices and regulatory standards.Key ResponsibiliesKey Responsibilities:Author & manage design substantiation documentsOversee design changes & concessionsPresent safety cases to committeesDevelop EIMT schedules & safety reviewsProvide technical advice & conduct independent reviewsApply engineering knowledge in high-risk environmentsJustify civil/structural design modificationsEXPERIENCE Essential: