Mechanical Commissioning Lead

Mechanical Commissioning Lead – Data Centre Location: London, UK Sector: Data Centres / Mission Critical Reporting to: Commissioning Manager / Project Manager Role Summary We are seeking an experienced Mechanical Commissioning Lead to take ownership of the mechanical commissioning delivery on a major Data Centre project in London. The successful candidate will lead the project through mechanical completion, pre-commissioning, functional testing, integrated commissioning and IST readiness, ensuring all mechanical systems are fully tested, documented and demonstrated in accordance with the project requirements and commissioning programme. This is a senior site-based role requiring strong technical and practical knowledge of mission-critical cooling systems, including chilled water/glycol systems, CRAHs/CRACs, AHUs, pumps, pressurisation systems, controls, BMS interfaces and associated mechanical infrastructure. The Mechanical Commissioning Lead will work closely with the Construction, Electrical, Controls/BMS, QA/QC, Commissioning and Client teams, as well as specialist vendors, to drive systems from construction completion through to final acceptance and handover. The role requires a delivery-focused individual capable of identifying commissioning constraints early, coordinating multiple stakeholders and driving the project towards key commissioning and IST milestones. Key Responsibilities: Commissioning Leadership

• Take overall responsibility for the mechanical commissioning strategy and execution.
• Lead and coordinate Mechanical Commissioning Engineers, subcontractors, vendors and specialist commissioning providers.
• Develop and maintain the mechanical commissioning programme aligned with the overall project master programme.
• Drive mechanical systems through the agreed Level 1–5 commissioning process, where applicable to the project.
• Ensure commissioning activities are planned, sequenced and executed safely and efficiently.
• Establish clear system and area priorities based on energisation, cooling availability and IST requirements.
• Lead daily and weekly commissioning coordination meetings.
• Provide clear reporting on progress, constraints, risks and recovery actions. Mechanical Systems Lead the commissioning and verification of mechanical systems including:
• Chilled water systems
• CRAHs / CRACs
• AHUs and ventilation systems
• Pumps and pump skids
• Pressurisation and expansion systems
• Heat exchangers
• Dry coolers / heat rejection equipment
• Mechanical plant rooms
• Control valves and actuators
• Flow, pressure and temperature instrumentation
• Leak detection interfaces
• Water treatment systems
• Drainage systems
• BMS-controlled mechanical equipment
• Packaged mechanical plant and associated controls