Mechanical Site Manager

  • TLG Infrastructure Limited
  • Cambridge, Cambridgeshire
  • Oct 30, 2025
Contract Construction Project Manager Site Manager Architect and Design

Job Description

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.