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.

• 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

• 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

• 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