Irwin Recruitment is currently recruiting for an experienced Mechanical Commissioning Manager to join an established mechanical building services contractor on a residential development in West London.

We are looking for a technically strong Commissioning Manager who can assess the current status of mechanical installations, identify outstanding works and drive the commissioning process through to successful completion.

Key Responsibilities

• Take ownership of mechanical commissioning activities through to final project handover.

• Review the current status of installed mechanical systems, identifying incomplete works, defects and commissioning requirements.

• Develop and manage a detailed commissioning programme, prioritising outstanding works and critical activities.

• Coordinate specialist commissioning subcontractors, mechanical installation teams and the wider project delivery team.

• Oversee testing, balancing and commissioning of HVAC, heating, ventilation, domestic water and associated mechanical systems.

• Review existing commissioning records, test certificates and technical documentation, identifying gaps and outstanding requirements.

• Troubleshoot technical issues and coordinate remedial works to achieve successful system performance.

• Manage witnessing, testing, client demonstrations and final sign-off.

• Liaise with the Mechanical Project Manager, consultants, main contractor and client representatives.

• Ensure commissioning documentation, O&M manuals, certification and handover records are completed to the required standards.

Candidate Requirements

• Proven experience as a Mechanical Commissioning Manager within the M&E/building services sector.

• Strong technical knowledge of mechanical building services and commissioning procedures.

• Previous experience on large residential or mixed-use developments.

• Experience completing, recovering or taking over partially completed projects would be highly advantageous.

• Ability to identify installation defects, outstanding commissioning requirements and technical issues.

• Experience coordinating commissioning specialists and mechanical subcontractors.

• Strong understanding of commissioning documentation, witnessing, certification and handover.

• Excellent organisational, communication and problem-solving skills.

• Relevant mechanical qualifications or a strong mechanical trade background.

• SMSTS/SSSTS and CSCS preferred.

The Opportunity

This is an opportunity to join an established mechanical contractor on a challenging residential project requiring a proactive, technically capable Commissioning Manager.

The successful candidate will play a key role in driving the project through its final commissioning stages and ensuring a successful handover.