TSA Surveying are currently working with an established and growing property consultancy to recruit a Senior Mechanical Engineer to join its expanding Building Services team in London. The successful candidate will play a key role in shaping the team's technical standards, establishing best practice and delivering high-quality mechanical engineering solutions across a varied portfolio of residential and commercial property projects. You will take ownership of mechanical engineering workstreams from initial concept and feasibility through to detailed design, technical assurance, site delivery and commissioning. This is a hands-on role offering the opportunity to combine technical expertise with project leadership, client engagement and mentoring responsibilities. Key Responsibilities Lead mechanical engineering surveys, inspections, technical assessments and feasibility studies across residential and commercial properties. Develop mechanical designs, specifications, schedules and technical reports. Review and technically assure contractor designs, drawings, specifications and technical submittals. Coordinate closely with electrical and public health engineers to deliver fully integrated MEP solutions. Undertake HVAC design, including heating and cooling load calculations, ventilation strategies, duct sizing and equipment selection. Provide technical advice and recommendations on building services performance, compliance, energy efficiency and lifecycle considerations. Manage multiple projects simultaneously, ensuring delivery against agreed programmes, budgets and quality standards. Oversee site activities, undertake inspections, witness testing and commissioning, and manage snagging through to completion. Ensure designs and installations comply with relevant building regulations, industry standards and best practice. Build effective relationships with clients, contractors, consultants and internal stakeholders. Support tender submissions, fee proposals, scopes of service and project planning. Mentor junior engineers and contribute to developing technical standards, processes, templates and workflows within the team.The succesful candidate will be a technically strong Mechanical Engineer with experience delivering mechanical building services solutions within a consultancy or multidisciplinary MEP environment. You will ideally bring: Proven experience in mechanical building services design and technical assurance. Experience working across residential and commercial property environments. Exposure to refurbishment projects and occupied buildings. A strong understanding of HVAC systems, heating, cooling and ventilation design. Knowledge of relevant building regulations, legislation and industry guidance, including Part L, Part F, CIBSE guidance and SFG20. Experience undertaking site surveys, inspections, contractor reviews and commissioning activities. The ability to produce and review technical reports, specifications, calculations and drawings. Experience using industry design tools such as Revit and AutoCAD. Strong project management, communication and stakeholder management skills. If this posotion is of interest please apply ASAP, as we are currently shortlisting for this role