ammonia operator jobs in columbus

Wenger Temperature Control —Columbus, OH

Use common tools of the HVAC/R trade. Read and understand wiring diagrams with the ability to troubleshoot and repair. 5+ years of experience preferred.

CMS Controls - Ohio —Columbus, OH4.1

Perform comprehensive troubleshooting of mechanical HVAC systems, including central plant equipment (e.g., chillers, boilers, cooling towers), VFDs, and complex…

Laborup —Hilliard, OH3.6

This role blends mechanical repair, electrical troubleshooting, and system operation within a GMP-regulated manufacturing environment.

Reiter Dairy —Springfield, OH2.8

. Graduation from trade school or technical school preferred in areas such as electrical, programmable controls (PLC/HMI), mechanical, welding/fabrication,…