GH Engage
Mechanical Commissioning lead
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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.
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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.
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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
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