As a Senior Mechanical Design Engineer, you will play a key role in delivering high‑quality mechanical building services solutions across a wide range of sectors. You will support project leadership, mentor junior engineers, and provide strong technical input throughout all design stages. Responsibilities Leading mechanical design packages from concept through detailed design Coordinating with internal and external stakeholders including Clients, Architects, Contractors, and multidisciplinary consultants Attending and contributing to design team meetings and workshops Undertaking calculations, system sizing, and producing technical reports Conducting site inspections and feeding back into the design process Supporting project planning, programme management, and commercial targets Working closely with other engineering disciplines to deliver fully coordinated MEP solutions Providing guidance and mentorship to junior and intermediate mechanical engineers Ensuring compliance with relevant standards, regulations, and best practice guidelines Requirements 5 years’ experience within a UK Building Services Consultancy Strong understanding of mechanical building services, including HVAC, LTHW/CHW, public health interfaces, and low‑carbon solutions Proficiency in relevant industry software (e.g., Hevacomp, IES, CFD tools desirable) Working knowledge of CAD/Revit and coordinated MEP modelling workflows Degree in Mechanical Engineering, Building Services Engineering, or related discipline Strong understanding of UK building regulations, sustainability standards, and industry best practice Up‑to‑date knowledge of Health & Safety and Environmental considerations Excellent communication skills and confidence working directly with clients and design partners Progress towards Chartership (CIBSE/IMechE) is highly advantageous