Our client is working on a Unique Project in the UK Nuclear sector and requires an experienced HVAC Engineer in support of that work. Reporting to the Manager for Reactor Island HVAC Systems, the Nuclear HVAC System Design Engineer leads the design development of nuclear grade HVAC or chilled water systems that support the safe, reliable operation of Reactor Island facilities. The role develops system concepts through design maturation, ensuring solutions meet functional, environmental, safety and regulatory requirements. The engineer is accountable for technical integrity-producing robust design and safety justifications and underpinning performance assessments aligned with nuclear codes, good practice and E3S (Environment, Safety, Security & Safeguards) objectives. They also identify and resolve emergent technical issues, ensuring all outputs meet quality standards and, where required, nuclear safety expectations. The position involves regular collaboration with a wide range of inter...