L2 Electrical / HVAC Engineer (Reliever)
Core
Maintain reliable operation and performance of AI data center cooling infrastructure, specifically CDUs and secondary cooling loops.
Role type
L2 Electrical / HVAC Engineer (Reliever)
Builds
Mission-critical cooling systems for AI data centers
Domain
Data Center Infrastructure / HVAC / Electrical
Deliverable
physical/clinical work
Required skills
Chillers, cooling towers, pumps, heat exchangers, CRAH/AHU systems, valves, piping, BMS controls, liquid cooling systems, CDUs, secondary cooling loops, P&ID interpretation, troubleshooting temperature/flow/pressure/leak issues
Preferred skills
SOP/MOP/EOP familiarity, change/incident management, root-cause analysis, cooling redundancy (N+1/2N), OEM certifications
Technologies
BMS/DCIM platforms, liquid cooling infrastructure
Responsibilities
Monitor, operate, and maintain critical electrical and HVAC systems 24x7; Provide operational relief coverage; Support UPS, generators, switchgear, transformers, CRAH/CRAC units, chilled water systems; Perform preventive maintenance, troubleshooting, and incident response; Monitor facility performance and respond to alarms; Coordinate with L1 technicians and IT teams during incidents
Seniority
Mid-level, hands-on IC
