Mechanical Site Manager

Mechanical Site Manager (HVAC / Building Services)

Location:

Bristol City Centre Contract Type: 12-month freelance / contract Day Rate: £275 £ 290 per day Project Value: £3m Mechanical Package Reporting To:
Visiting Project Director Team Size: 2530 operatives (Plumbing, Ventilation, AC teams)

Role Overview We are seeking an experienced Mechanical Site Manager to oversee the delivery of a £3m building services package on a large commercial project in Bristol City Centre. You will act as the on-site lead for all mechanical works, coordinating and managing subcontract labour across HVRF, plumbing, ventilation, and associated building services disciplines. The role sits within a subcontractor environment and requires strong site leadership, coordination, and delivery focus.

You will be responsible for managing multiple trade gangs, ensuring programme adherence, quality control, health & safety compliance, and smooth coordination with the main contractor and visiting project director.

Key Responsibilities Lead day-to-day site delivery of all mechanical building services works Manage and coordinate approx. 2530 operatives across: HVRF installation teams Ventilation ductwork teams Plumbing & pipe fitting teams Oversee installation of: AHUs (Air Handling Units) HVRF systems Domestic Hot Water (DHW) systems Ensure works are delivered in line with programme, drawings, and specifications Attend and contribute to site meetings with main contractor and client team Manage subcontract labour performance, sequencing, and productivity Enforce strict Health & Safety compliance on site Complete site reporting, progress updates, and coordination documentation Coordinate materials, logistics, and site deliveries Support commissioning readiness and handover processes Required Experience Proven experience as a Mechanical Site Manager on large-scale building services projects Strong background in:
Plumbing & pipe fitting Heating systems Ventilation / ductwork HVRFinstallation Previous experience working on subcontractor packages within main contractor environments Exposure to commercial or large residential developments (ideally £1m mechanical packages) Strong understanding of site coordination, sequencing, and trade management Experience working with AHUs, HVRF systems, and DHW systems Essential Certifications SMSTS (Site Management Safety Training Scheme) CSCS Card (Black or Gold preferred) Valid First Aid at Work Key Competencies Strong leadership of multiple trade gangs Ability to read and interpret mechanical drawings Commercial awareness of programme-driven delivery Confident reporting into senior project leadership Strong H&S enforcement mindset Calm, organised, and delivery-focused under pressure If youre a Mechanical Site Manager who can juggle HVAC, plumbing, and ventilation Drop me a line: