Mechanical Project Manager

Overview

True are partnering with a global M&E contractor operating at the forefront of mission‑critical infrastructure, delivering complex cooling and mechanical systems into some of the UK's most demanding data‑led environments. With a strong and growing portfolio of live Data Centre projects across the Slough area, they're now looking to appoint an experienced Mechanical Project Manager to support continued delivery and growth.

As Mechanical Project Manager, you’ll take full responsibility for the delivery of mechanical packages across multiple Data Centre schemes, acting as the key point of contact from early coordination through to commissioning and handover. This is a predominantly site‑based role, suited to a mechanically strong Project Manager with genuine Data Centre or mission‑critical experience, comfortable operating in high‑pressure, high‑standard environments.

You will work closely with site teams, specialist subcontractors and client stakeholders, ensuring complex cooling and mechanical systems are delivered safely, efficiently and to exacting technical standards.

• Salary – £90k‑£110k Basic (DOE) + Car Allowance
• Multiple bonus schemes annually
• Long‑term workload in a high‑growth, mission‑critical sector
• High level of autonomy on technically challenging projects

• Lead the delivery of mechanical packages across live Data Centre projects
• Manage installations including liquid cooling systems, pipework, heat exchangers and pump sets
• Coordinate site teams and specialist subcontractors to maintain programme and quality
• Act as the main client‑facing representative on site
• Oversee commissioning activities and ensure successful project handover
• Ensure full compliance with Health & Safety, quality and technical standards
• Manage reporting, progress tracking and issue resolution

• Proven Mechanical Project Management experience within Data Centres or mission‑critical environments (essential)
• Strong mechanical background, ideally progressed from the tools (Plumber / HVAC Engineer)
• Excellent understanding of complex mechanical cooling systems and infrastructure
• Confident managing multiple work streams in live operational environments
• Strong leadership, organisation and stakeholder management skills
• Comfortable working in a site‑based role with high accountability