Mechanical Commissioning Manager

Job Title: Mechanical Commissioning Manager

Location: Oxford (Site-Based)

Employment Type: Permanent or Freelance (CIS)

Salary: £80,000 – £85,000 per annum (Permanent) or £450/day (Freelance CIS)

Sector: Commercial & Pharmaceutical Construction

Start Date: ASAP

About the Role:

We are working in partnership with a leading MEP contractor to recruit a Mechanical Commissioning Manager for a major commercial and pharmaceutical build based in Oxford. This is a critical hire for a fast-paced project, and the role is available on both a freelance (CIS) or permanent basis.

You will report directly to the Mechanical Project Manager and be responsible for overseeing all aspects of mechanical commissioning across the project lifecycle. The successful candidate will have a proven background in both commercial and pharmaceutical sectors—applications without experience in these sectors will not be considered.

• Lead the mechanical commissioning process from pre-commissioning through to final handover.
• Liaise with the project management team, subcontractors, and client representatives to ensure seamless execution of commissioning activities.
• Review and develop commissioning plans, method statements, and risk assessments.
• Manage and coordinate all testing and validation works in compliance with industry and project standards.
• Ensure all documentation is completed accurately including O&M manuals, commissioning logs, and validation reports.
• Identify and resolve commissioning issues quickly and efficiently.
• Attend regular site and client meetings, reporting progress and raising any potential risks or delays.

• Proven experience as a Mechanical Commissioning Manager on commercial and pharmaceutical projects – essential.
• Strong understanding of HVAC, BMS, and associated mechanical systems.
• Ability to lead and coordinate multiple stakeholders through the commissioning phase.
• Excellent organisational and communication skills.
• CSCS card, SMSTS or equivalent certifications desirable.

Our client is a respected MEP contractor with a strong UK presence, delivering high-value projects with some of the country’s most well-known Tier 1 contractors, including Ardmore, Bouygues, and Balfour Beatty.

With a turnover of £130 million, they are known for their quality-driven approach and consistent project delivery.

• Freelance CIS contract at £450/day
• Or Permanent role offering £80,000 – £85,000 + benefits package
• Long-term project pipeline in the Oxfordshire region
• Opportunity to work with an established, well-resourced contractor on high-profile projects