Mechanical Site Manager Location: Cambridge Rate: £300 - £350 per day (Outside IR35) Contract Type: Freelance - CIS or Ltd Company Duration: 18 months Start Date: January 2026 Company Overview Our client, a respected M&E contractor with a strong track record in delivering technically complex projects, is seeking an experienced Mechanical Site Manager to oversee a high-specification laboratory fit-out project in Cambridge. This long-term freelance opportunity (18 months) offers a stable contract on a prestigious and technically challenging scheme, working with a professional project team to deliver excellence in quality, safety, and performance. The Role Reporting into the Project Manager, you will be responsible for managing all on-site mechanical activities, ensuring the smooth coordination and delivery of mechanical services in line with design, specification, and programme requirements. Key Responsibilities Oversee and coordinate all mechanical installation works on-site Supervise subcontractors, ensuring quality and adherence to deadlines Manage day-to-day site activities, including planning, scheduling, and progress reporting Ensure compliance with health, safety, and environmental standards Liaise closely with the Project Manager, Design Team, and client representatives Conduct inspections and sign-off on mechanical installations Manage materials, logistics, and site resources efficiently Support commissioning and handover processes Maintain accurate site documentation and reports Requirements Proven experience as a Mechanical Site Manager on commercial or laboratory projects Strong understanding of mechanical building services, including HVAC, pipework, and public health systems Experience working with M&E contractors on large-scale projects Excellent communication, coordination, and leadership skills SMSTS and CSCS certification (preferred) Ability to work to deadlines with a proactive, hands-on approach Available to start January 2026 Package & Benefits £300 - £350 per day (Outside IR35) Freelance contract - CIS or Ltd Company 18-month project duration Opportunity to work on a cutting-edge lab fit-out with a leading contractor If you're an experienced Mechanical Site Manager looking for a long-term freelance role on an exciting project, we'd love to hear from you. Apply today or contact us for more information