Mechanical Site Supervisor

Mechanical Site Supervisor
W12, West London
Permanent or Temp-to-Perm
£26.70 per hour (PAYE, JIB Rates) | £32–£35 per hour (Temporary)
Monday–Friday + Overtime Available (JIB Rates)

The Opportunity

We are recruiting for an experienced Mechanical Site Supervisor to support delivery on a £9m mechanical installation project within a major West London shopping centre.

This is a pre-commencement opportunity, with works starting on site in August, giving you the chance to play a key role from early stages through to completion.

The project is expected to run for circa 18 months, with a strong pipeline of further works secured on-site, offering excellent long-term stability.

The Role

You will take full responsibility for mechanical site supervision, leading site activity and ensuring delivery aligns with programme, safety, and quality standards.

You will oversee a team of 10–14 operatives (including subcontractors and agency labour), while working closely alongside the electrical team.  You won't be directly managing or supervising electrical (just interfacing with them)

Responsibilities

• Supervise and coordinate mechanical installation works from early stages through to completion
• Manage site teams (10–14 operatives) including subcontractors and agency labour
• Ensure delivery against programme, quality, and H&S standards
• Read and interpret technical drawings and schematics
• Interface effectively with electrical teams and wider site stakeholders
• Drive progress on-site and resolve issues proactively
• Support commissioning, testing, and full project handover
• Maintain a strong, compliant health & safety culture

Requirements

• Proven experience as a Mechanical Site Supervisor on commercial / retail projects
• Strong HVAC knowledge, including LTHW, CW, and drainage systems
• Good understanding of building services (M&E)
• SSSTS (essential)
• Ability to read and interpret drawings and specifications
• Experience managing teams of labour and subcontractors
• Strong leadership, organisation, and communication skills
• Experience with BMS / controls (desirable)
• Full UK working rights

What You’ll Get

• £26.70 per hour (PAYE, JIB aligned)
• £32–£35 per hour (temporary rate) with clear route to permanent
• Overtime paid at enhanced JIB rates (x1.5 / x2)
• Long-term project (18 months) with ongoing work beyond completion
• Opportunity to work on a major retail scheme with repeat projects on site
• Full JIB package on permanent including benefits and van (if required)

Apply

If you’re a Mechanical Site Supervisor looking for a long-term role on a major London project with strong continuity of work, apply now to be considered.