HVAC & Chiller Technician Jobs in Data Centers (2026 Guide)
There are 34 open HVAC and mechanical roles on this board right now, and the cooling side of data centers is growing fast.
Every watt a server uses turns into heat, and AI hardware runs hotter than anything before it. Keeping data halls inside tight temperature limits around the clock is a mechanical job, so data centers need HVAC and refrigeration techs who understand big central plants, not just rooftop units.
The equipment you'll work on
- Chillers (air-cooled and water-cooled), cooling towers and the pumps and piping that connect them.
- CRAH/CRAC units and air handlers on the data hall floor.
- Liquid cooling: coolant distribution units (CDUs), rear-door heat exchangers and direct-to-chip loops for AI racks. This is the fastest-growing skill in the industry.
- Building management systems (BMS) that monitor all of it and raise alarms.
What the job looks like
Most days are rounds, readings and preventive maintenance: checking pressures and temperatures, water treatment, filter changes, belt and bearing checks, and responding to alarms. Any work on live cooling equipment follows a written plan (MOP), because losing cooling can shut down a data hall in minutes. Shifts are often 12 hours on a rotating schedule, with overtime and night pay.
Who gets hired
- Commercial HVAC and refrigeration techs, especially with chiller or central plant experience.
- Hospital, pharmaceutical, university and industrial plant maintenance techs.
- Stationary engineers and building engineers from large commercial properties.
- Pipefitters and controls techs who want to move from construction into operations.
Certifications that matter
- EPA 608 (Universal), which is required to handle refrigerants.
- A state HVAC or refrigeration license, where your state requires one.
- Stationary engineer licenses, valued at many operators.
- OSHA 10/30 for construction and commissioning work.
- Manufacturer training (Trane, Carrier, York, Vertiv, Liebert) stands out on a resume.
What it pays
Hands-on data center roles on this board have a median advertised salary of about $75K. Experienced chiller and central plant techs, and anyone with liquid cooling experience, can earn well above that. See live salary data.
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