Mechanical Design Engineer Healthcare Decarbonisation Location: London (Hybrid 3 days office/site, 2 days home) Salary: Up to £75,000 + Benefits About the Role We are looking for an experienced Mechanical Design Engineer to join a growing team delivering major healthcare decarbonisation projects across NHS estates. As the Mechanical Design Engineer, you will lead the design of low-carbon mechanical building services, supporting projects from feasibility through to commissioning and handover. Working alongside multidisciplinary engineering teams, the Mechanical Design Engineer will play a key role in delivering heat pump installations, energy centres, district heating networks and mechanical infrastructure upgrades within live healthcare environments. Key Responsibilities Lead the mechanical design of healthcare decarbonisation projects. Design HVAC, heat pump, LTHW/CHW, energy centre and district heating systems. Produce technical calculations, specifications and Mechanical Design Engineer documentation. Coordinate with electrical engineers, commercial teams and project delivery teams. Support projects through all RIBA design stages. Ensure all Mechanical Design Engineer solutions comply with NHS, HTM, CIBSE and industry standards. Attend client, consultant and contractor meetings as the lead Mechanical Design Engineer. Support commissioning and project handover. Requirements Degree in Mechanical Engineering or Building Services Engineering. Proven exper