At a Glance
- Tasks: Lead mechanical works on a £3m commercial project in Bristol.
- Company: Dynamic subcontractor environment with a focus on building services.
- Benefits: Competitive day rate, flexible contract, and hands-on leadership experience.
- Other info: Opportunity to work on large-scale projects with excellent career growth potential.
- Why this job: Make a real impact by managing diverse teams and ensuring project success.
- Qualifications: Experience in mechanical site management and strong leadership skills required.
The predicted salary is between 50000 - 55000 £ per year.
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: 25-30 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. 25-30 operatives across:
- HVRF installation teams
- Ventilation ductwork teams
- Plumbing & pipefitting 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 & pipefitting
- Heating systems
- Ventilation / ductwork
- HVRF installation
- 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 you're a Mechanical Site Manager who can juggle HVAC, plumbing, and ventilation, drop me a line.
Locations
Mechanical Site Manager - Bristol in Bath, Somerset employer: BuildSpace Group
Join a dynamic team in the heart of Bristol City Centre, where we prioritise a collaborative work culture and offer competitive day rates for skilled professionals. As a Mechanical Site Manager, you'll have the opportunity to lead a diverse group of operatives on a significant £3m project, while benefiting from ongoing professional development and a strong commitment to health and safety. Our supportive environment fosters growth and innovation, making us an excellent employer for those seeking meaningful and rewarding work in the building services sector.
