Freelance Mechanical Commissioning Manager in London

Project: £30m - New healthcare extension

Location: Wimbledon, South West London

Duration: 4 months

Job Type: Freelance / Contract

Reporting into: Mechanical Project Manager

Why Join?

Be part of a highly respected organisation known for delivering advanced healthcare projects. A great opportunity to join a company with a strong reputation and proven track record across the healthcare sector.

What We're Looking For

Relevant Qualifications:

• SMSTS - essential
• First Aid - essential
• Valid CSCS / JIB Card - essential

Experience:

Experienced in commissioning mechanical packages on new build / refurbishment projects in the healthcare sector is advantageous but not essential; all applicants that are experienced in managing M&E packages on technically challenging projects such as data centres, laboratories and pharmaceuticals etc are equally of interest. Extensive background within the industry with at least 5 years of experience working in a similar position with a reputable contractor on projects in excess of £10m.

Key Skills:

• Quality control
• Strong mechanical engineering knowledge
• Excellent leadership, coordination, and team mentoring abilities
• Capacity to prioritise health and safety effectively across commissioning duties
• Strong written and verbal communication skills with a thorough meticulous eye for detail
• Knowledge of safety protocols and regulations pertaining to mechanical plant and equipment
• Good knowledge of mechanical and building services laws, regulations, and compliance requirements
• A solid understanding of mechanical systems, installation methods, and commissioning techniques
• A wide understanding of mechanical standards, codes, and industry-specific commissioning procedures

About the Company

Our client, a leading contractor specialising in healthcare, provides new build and refurbishment projects across the UK including medical spaces & mobile theatres to live clinical environments.

The Opportunity

We are seeking an experienced Mechanical Commissioning Manager to oversee the commissioning of mechanical packages on a new build healthcare extension in Wimbledon. In this position, you will manage, coordinate, and execute all mechanical commissioning activities, ensuring systems are tested, validated, and delivered safely, efficiently, and in full compliance with project specifications and healthcare regulations. This role requires a proactive and technically strong leader with in-depth knowledge of mechanical building services and the ability to deliver complex healthcare systems with accuracy, reliability, and exceptional attention to detail.

Key Responsibilities:

• Provide expert mechanical knowledge
• Formulate and deliver commissioning plans, procedures, and schedules
• Assess and verify mechanical designs, drawings, and technical documentation
• Direct, coordinate, and manage all on-site mechanical commissioning activities
• Provide training and guidance to end-users and maintenance teams post-commissioning
• Ensure commissioning activities align with the overall project programme and critical path
• Monitor quality control processes to verify all mechanical works meet the required standards
• Identify and resolve mechanical system performance issues during the commissioning process
• Manage testing, inspection, and verification of HVAC, plumbing, and mechanical plant systems
• Facilitate project handover by confirming all systems are fully tested, balanced, and functioning correctly
• Generate comprehensive commissioning reports, progress summaries, and final handover documentation
• Coordinate with Project Managers, Engineers, contractors, and stakeholders to ensure smooth commissioning delivery
• Ensure all mechanical installations comply with industry standards, codes, and project specifications
• Lead safety practices during commissioning and ensure compliance with site health and safety procedures
• Manage commissioning teams, subcontractors, and specialist vendors to ensure efficient workflow
• Support procurement by reviewing commissioning-related equipment requirements and specifications
• Oversee the integration and coordination of mechanical systems with electrical and control systems