- Aerotek (Anoka, MN)
- …30-55/hr **Job Description:** A local union contractor is seeking a field technician to support its ammonia refrigeration department. 90% of day-to-day ... work will be in servicing ammonia products and equipment: * Ammonia testing, moisture testing, leak detection * Change compressors, swap valves, and offset temperatures. * Calibrate equipment, and pressure test systems. * Routine maintenance, quarter/annual… more