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, OandM manuals, ..... full job details .....