Job Description Join the Fusion and Modular Nuclear Business Unit Assystem has an exciting opportunity for a Senior Mechanical Engineer with expertise in valves to join our expanding Fusion and Modular Nuclear (FMN) business unit. As leaders in the design and development of new technologies, you will have the opportunity to work across multiple cutting-edge projects developing technical solutions making net-zero power generation a reality. Your mission: Innovative Valve & Actuator Development: Lead the product development of valves and actuators for the Rolls-Royce SMR power station, utilizing cutting-edge knowledge and technology. Comprehensive Deliverables: Provide through-life assessments, Component Safety Classifications, age management plans, requirements modules, and product selection. Engineering Leadership: Proven track record in managing and leading engineering teams effectively. ️ Clear Communication: Excellent verbal skills for precise and impactful technical discussions. ✍️ High-Quality Documentation: Expertise in producing, reviewing, and approving high-standard technical documents. ⚠️ Risk Management Expertise: Skilled in preparing thorough Risk Assessments and Method Statements. Work Pack Development: Experienced in creating detailed and efficient work packs. Decommissioning Know-How: Valuable experience in decommissioning processes is welcomed. Regulated Industry Experience: Strong background in working within highly regulated environments such as Nuclear, Fusion, or Offshore Oil & Gas industries. Why Join the Community of Switchers? Over 55 years in nuclear engineering. Ranked among the top 3 largest nuclear engineering companies. Attractive social benefits, including an engaging Employee Committee and holiday bonuses. Ongoing training with numerous career opportunities. 70% of our managers are promoted internally Hybrid work: 1-2 days remote per week.