Company Description Assystem is an international company with one mission: accelerate the energy transition around the world. Every day, our 7,500 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 Responsibilities: Requirement specification production / management Interface Management System Architecture definition System Functional and Interface modelling Working with mechanical, electrical and process systems Operating requirements management database software (DOORS preferential) Operating Model Based Systems engineering Software (Capella preferential) Background: Engineer or Senior Engineer level resource (3 years experience minimum, 5 more likely to be a good fit) Experience in complex regulated industry essential (i.e. Nuclear, Aerospace, etc.) Experience in Nuclear industry desirable. Foundation background in Mechanical or Electrical Engineering is acceptable Qualifications Systems Engineering: Degree in engineering or STEM subject is mandatory or be able to demonstrate equivalent experience. Systems thinking and systems engineering processes is mandatory. Systems engineering training/qualifications desirable. Willing to accept a candidate with SE experience and a desire to move into this field if they can demonstrate competence. Experience operating Rationale DOORS software as a practitioner is desirable. Familiarity with Model Based Systems Engineering is desirable. Awareness of relevant BS or INCOSE standards desirable Additional Information Permanent staff preferred, umbrella contractor accepted Sole UK national capable of securing SC Hybrid working from any UK AEIL office but preferences are Derby, Glasgow, Sunderland or Blackburn 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