Overview: We are seeking an experienced Mechanical Site Manager to oversee delivery on a Cat A commercial fit-out project. This is a freelance role suited to someone with a strong background in mechanical building services, capable of managing site operations, coordinating subcontractors, and ensuring works are delivered safely, on time, and to a high standard. Key Responsibilities: * Manage and supervise all mechanical installations on site (HVAC, ductwork, pipework, plant) * Coordinate subcontractors and ensure alignment with project programme * Work closely with the Project Manager and other trades to ensure smooth delivery * Monitor progress, quality, and compliance with design specifications * Ensure all health & safety procedures are followed and documented * Attend and lead site meetings, reporting on progress and issues * Manage snagging, commissioning, and handover processes Requirements: * Proven experience as a Mechanical Site Manager on Cat A or commercial fit-out projects * Strong knowledge of mechanical building services systems * SMSTS (or equivalent) certification * CSCS card (relevant level) * First Aid qualification (preferred) * Excellent communication and coordination skills * Ability to read and interpret technical drawings Desirable: * Experience working in live environments or fast-track programmes * Strong subcontractor management experience * Familiarity with project reporting tools and software What’s on Offer: * Competitive day rate * Opportunity to work on a high-profile commercial project * Immediate start for the right candidate How to Apply: Please submit your CV along with availability and expected day rate