System operation : start , stop , and regulate chillers , cooling towers , and water pumps according to operational requirements .Record hourly reading of pressure , temperature and electrical consumption . perform routine preventive maintenance and minor troubleshooting . Monitor Water treatment levels to prevent system corrosion . Ensure compliance with safety and environmental standards . Experience 3 : 5 years in HVAC Education : Technical diploma in Mechanical , Refrigeration , or Air conditioning ability to work in shifts , high attention to detail and quick response to system alarm nearby location id must