Shift Mechanical Engineer – Data Centre (Liquid Cooling)
Salary/Rate
£50000 - £60000/annum +Package
Location
Slough, Berkshire
Posted
Just now
Company
DT Source Limited
Description
12-hour rotating shifts
Location: Slough Data Centre
Shift Pattern: Continental shifts, 12-hour rotation, 24/7/365 operation
Reports to: Critical Facilities Manager
Lead Liquid Cooling Engineer
The Role
We are looking for an experienced Shift Mechanical Engineer to operate, maintain and support the liquid cooling systems within a live data centre.
The role focuses on Coolant Distribution Units (CDUs) and secondary-side cooling infrastructure supporting high-density AI and high-performance computing (HPC) environments.
You will be responsible for maintaining cooling performance, responding to faults and ensuring the data centre operates safely and without disruption.
Key Responsibilities
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Monitor and maintain CDUs, pumps, pipework, heat exchangers, valves, filtration and leak detection systems.
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Monitor temperatures, pressures, flow rates and water quality through BMS, DCIM and local controls.
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Carry out planned preventative maintenance (PPM), inspections and mechanical servicing.
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Diagnose and respond to cooling faults, leaks, pump failures and system alarms.
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Carry out water sampling, testing and support chemical treatment.
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Follow emergency procedures to restore cooling and protect critical IT equipment.
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Complete shift handovers, maintenance records, permits and incident reports.
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Work in accordance with RAMS, MOPs, SOPs, EOPs and safe isolation procedures.
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Supervise specialist contractors and OEM engineers, supporting commissioning, fault investigations and system improvements.
Essential Qualifications & Experience
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Experience working in mission-critical facilities and data centre cooling environments.
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Strong knowledge of chilled water and closed-loop cooling systems.
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Experience maintaining pumps, valves, actuators, heat exchangers and filtration systems.
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Knowledge of water treatment, leak detection and water quality management.
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Experience using BMS systems for monitoring, alarms and fault diagnosis.
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Understanding of Permit-to-Work systems and safe working procedures.
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Experience responding to mechanical emergencies in live operational environments.
Desirable Experience
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Direct-to-chip liquid cooling and CDU systems.
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AI and high-performance computing (HPC) data centres.
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Liquid cooling equipment from Schneider, Vertiv, CoolIT, Motivair, Stulz or equivalent.
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Experience in Tier III or Tier IV data centres.
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Critical Facilities Management and 24/7 engineering operations.
Key Skills
The successful candidate will be confident fault-finding on mechanical cooling systems, able to respond effectively to critical incidents and comfortable working independently as part of a rotating shift team. Good communication, accurate reporting and a strong understanding of health and safety are essential.
To apply, please send CV ASAP for immediate response
