Junior and Senior Levels | Muscat, Oman We are hiring junior and senior technicians to maintain and repair cold rooms, freezer rooms, blast chillers, ice machines, compressors, and commercial refrigeration systems. Key Responsibilities • Carry out preventive and corrective maintenance on cold-room and refrigeration equipment. • Diagnose and repair electrical, mechanical, and refrigeration faults. • Maintain and repair: • Walk-in cold rooms and freezer rooms • Blast chillers and blast freezers • Refrigerated cabinets and table chillers • Ice machines • Compressors and condensing units • Evaporators and condenser coils • Refrigeration racks and control panels • Perform refrigerant charging, leak detection, vacuuming, pressure testing, and brazing. • Troubleshoot thermostats, temperature controllers, sensors, expansion valves, solenoid valves, and defrost systems. • Monitor equipment performance and ensure correct operating temperatures. • Replace defective components and identify required spare parts. • Respond to emergency breakdowns and complete repairs within the required time. • Record completed work and report recurring equipment faults. • Maintain tools, equipment, and work areas in good condition. • Follow safety, hygiene, environmental, and quality procedures. Requirements: • Diploma, ITI, or trade certificate in Refrigeration, HVAC, Mechanical, or Electrical Engineering • Junior: 2–4 years of relevant experience • Senior: 5+ years of relevant experience • Experience in preventive maintenance, breakdown repair, refrigerant charging, brazing, leak testing, and electrical troubleshooting • Knowledge of compressors, evaporators, condensers, defrost systems, temperature controllers, and control panels • Senior candidates should have team coordination or supervisory experience • Catering, food production, hospitality, cold-storage, or facilities-management experience is preferred