Critical Facilities Technician

Critical Facilities Technician | London | £45,000-£65,000

Critical Facilities Technicians ensure the mechanical and electrical systems powering the data centre run flawlessly.

You'll manage high‑availability infrastructure including UPS, generators, switch-gear, cooling systems, and fire suppression. This role is ideal for candidates with strong M&E backgrounds who want to work in a precision‑driven, mission‑critical environment.

Key Responsibilities

Perform routine maintenance on electrical and mechanical systems
Monitor BMS systems and respond to alarms
Support load testing, switching operations, and emergency procedures
Maintain cooling systems including CRAC/CRAH units and chillers
Ensure compliance with safety regulations and operational standards
Work closely with engineering teams during upgrades and expansions

Qualifications Required

Electrical or Mechanical Engineering qualification (NVQ Level 3+, City & Guilds, 18th Edition)
Strong understanding of UPS, generators, switch gear, and cooling systems
Experience in critical environments (data centres, hospitals, industrial plants)
Ability to read technical drawings and follow SOPs/EOPs
Desirable: HV switching experience, F‑Gas certification

Benefits

Shift allowance for 24/7 operations
Annual bonus
Private medical insurance
Life assurance
Paid training for HV, UPS, and specialist certifications
Progression into Senior Technician, Supervisor, or Engineering Manager roles