Job Description Join the Fusion and Modular Nuclear Business Unit! Reporting to the Balance of Plant Lead, the Senior Mechanical Engineer shall be responsible for developing a fluid system. The Senior Mechanical Engineer shall work closely with multidisciplined teams and the supply chain to help deliver the system design. Your mission: Lead Fluid System Development: Manage a small team to develop fluid systems. Review Design Documents: Develop and review Process Flow Diagrams, Piping and Instrumentation Diagrams, Layout Drawings, Component Sizing Calculations, Datasheets, and Specifications. Conduct Optioneering: Lead and review optioneering studies, Decision Record Files, Design Descriptions, and Requirement Specifications. Apply Systems Engineering: Develop and review Functional and Design Requirements using Systems Engineering principles. Integrate System Design: Ensure the fluid system design integrates seamlessly into the wider power plant. Provide Technical Support: Act as the technical contact for interfaces and stakeholder activities. Support Design Reviews: Participate in Design Reviews and HAZID/HAZOP studies with multidisciplinary teams. Liaise on Safety: Collaborate with the safety team on nuclear safety licensing, environmental planning/permitting, and related interface activities. Ensure Compliance: Adhere to statutory H&S policies, project quality, and safety rules. 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.