Data Centre Liquid Cooling Shift Engineer (12h Rotations)

DT Source Limited; Slough; On-site; GBP 60,000 - 90,000; Full time

Job summary

DT Source Limited in Slough Data Centre is seeking an experienced Shift Mechanical Engineer to operate, maintain and support liquid cooling systems, focusing on CDUs and secondary cooling for high-density AI and HPC environments. You will monitor performance, respond to faults and ensure safe, disruption-free operation of critical IT equipment.

You will lead planned maintenance, fault diagnosis and coordination with contractors while adhering to safety procedures and reporting requirements.

Qualifications

• Experience in mission-critical facilities and data centre cooling environments.
• Strong knowledge of chilled water cooling systems and components.
• Familiarity with BMS-based monitoring and fault diagnosis.
• Understanding of water treatment and safe working procedures.

Responsibilities

• Operate, maintain and support liquid cooling systems in a live data centre.
• Monitor CDUs, pumps, pipes, heat exchangers and leaks; respond to faults.
• Carry out planned maintenance and servicing of cooling infrastructure.
• Diagnose faults, manage alarms and restore cooling safely.
• Support testing, sampling and chemical treatment where required.
• Complete handovers, permits and incident records; follow RAMS and SOPs.
• Supervise contractors and contribute to system improvements.

Skills

Mission-critical

Data centre cooling

Chilled water systems

Pumps & valves

BMS operation

Water treatment

Permit-to-Work

Job description

DT Source Limited in Slough Data Centre is seeking an experienced Shift Mechanical Engineer to operate, maintain and support liquid cooling systems, focusing on CDUs and secondary cooling for high-density AI and HPC environments. You will monitor performance, respond to faults and ensure safe, disruption-free operation of critical IT equipment.

You will lead planned maintenance, fault diagnosis and coordination with contractors while adhering to safety procedures and reporting requirements.