Senior Critical Operations Technician

Job description

Summary/Objective The Senior Critical Operations Technician provides 24×7×365 operational coverage to support continuous, safe and reliable performance of critical electrical, mechanical, cooling, controls and life-safety systems across the data centre. The role performs hands-on operational maintenance, system monitoring, first-response troubleshooting, incident support and contractor coordination to uphold STACK’s 100% uptime commitment. Technicians operate and monitor facility infrastructure across power and cooling paths within approved procedures and role-specific authorisations, while maintaining a concierge-level customer service approach in all stakeholder interactions. Essential Functions – Critical Operations: - Maintain 24×7×365 shift coverage, ensuring safe and stable operation of all critical infrastructure systems. - Operate and monitor critical electrical and/or mechanical systems (based on background, training and authorisation) including UPS, PDUs, switchboards, generators, CDU/FWU/CRAC/CRAH units, chilled water systems, pumps and associated plant—strictly within approved operating procedures. - Perform hands-on operational maintenance within authorised scope, incl...