Air Compressor Service Technician: Now hiring. Rotary Screw Air Compressor experience required for this position. Postion based in Sioux City, IA. Wages. $30-$43 an hour. based on experience. 40-hours per week guaranteed with potential for Overtime Pay. Techs with proper experience will start between $30-$43/hour based on actual compressor repair/maintenance experience. Peerless Energy Systems is a distributor of Sullair Industrial air compressor...