Job Description & Requirements: . Installation of air-conditioning systems (eg. FCU) . Perform testing and commissioning of air conditioning systems . Supervise and ensure proper installation works done by the sub-contractors . Perform servicing, maintenance & troubleshooting of air-conditioning systems . Diagnose and repair of air-conditioning system . Feasibility pre-installation design proposal as well as installation works . Chemical Cleaning & Overhaul Cleaning . Experience with split unit or VRV servicing . Ensure proper document, service report for maintenance works .