About the job
Cologix is seeking a Data Center HVAC Technician for the 2nd shift at its Columbus, OH location. This role centers on maintaining and operating critical cooling and refrigeration systems within a mission-critical data center environment.
Role overview
The HVAC Technician serves as the mechanical subject matter expert, managing the safe operation, preventive maintenance, corrective repairs, and modifications of mechanical systems. The position involves hands-on work with chillers, CRAC/CRAH units, in-row cooling systems, cooling towers, pumps, valves, compressors, and related controls. The goal is to keep all cooling systems running within design specifications to support reliable 24/7 data center operations.
Key responsibilities
- Operate and maintain critical cooling and refrigeration equipment
- Perform preventive maintenance and corrective repairs on mechanical systems
- Oversee modifications and installations to ensure equipment reliability
- Coordinate with vendors and facilitate maintenance activities
- Respond to incidents and manage documentation for system readiness
- Uphold high standards for safety, compliance, and operational discipline
Shift details
This position is for the 2nd shift: Sunday through Wednesday, 2pm to 12am.

