Are you a hands-on HVAC expert who can diagnose, fix, and lead from the front?
We are looking for a highly experienced HVAC Technicians to take full technical ownership of complex cooling systems across client sites. The HVAC Technician will be responsible for the operations, maintenance, troubleshooting, and repair of commercial and industrial HVAC systems across high-profile facilities and mission-critical sites.
The successful candidates will be directly responsible for the day-to-day operation and maintenance of:
- VRV / VRF systems
- Air Handling Units (AHUs)
- Chillers
- Ventilation and ducting systems
- HVAC controls and related mechanical/electrical systems
This role requires a highly practical technician with strong fault-diagnosis capability, preventive maintenance discipline, and the ability to respond effectively to HVAC operational issues in real time.
Daily Operations & Monitoring
- Carry out daily inspection and operational checks of HVAC systems and equipment
- Monitor system temperatures, pressures, airflow, refrigerant levels, and operational performance
- Monitor chiller parameters including:
- suction/discharge pressures
- condenser and evaporator temperatures
- chilled water temperatures
- oil levels and compressor performance
- Monitor AHU performance including:
- blower motors
- filters
- belts and pulleys
- dampers
- actuators
- condensate drainage systems
- Monitor VRV/VRF systems for alarms, communication faults, gas leakage, and indoor/outdoor unit performance
- Execute scheduled preventive maintenance activities on:
- chillers
- AHUs
- FCUs
- VRV/VRF systems
- ventilation systems
- Clean condenser and evaporator coils
- Replace filters, belts, bearings, and worn-out components
- Check and top up refrigerants where required
- Carry out lubrication of moving parts
- Inspect electrical panels, contactors, relays, breakers, sensors, and controls
- Conduct insulation resistance and electrical continuity checks
Troubleshooting & Repairs
- Diagnose and resolve HVAC faults and breakdowns promptly
- Troubleshoot:
- compressor failures
- refrigerant leakage
- PCB/control faults
- airflow issues
- sensor/calibration issues
- communication/network faults
- electrical and mechanical failures
- Repair or replace defective components including:
- compressors
- motors
- expansion valves
- actuators
- thermostats
- sensors
- control boards
- Respond effectively to emergency breakdowns and critical HVAC failures
- Support energy efficiency and optimization initiatives
- Ensure systems operate within design parameters
- Recommend operational improvements and equipment upgrades where necessary
- Assist with balancing and optimization of airflow and chilled water systems
Documentation & Reporting
- Maintain accurate maintenance logs and service records
- Record system readings, faults, repairs, and maintenance activities
- Prepare daily and weekly technical reports
- Escalate recurring issues and major technical risks to supervisors promptly
Health, Safety & Compliance
- Ensure compliance with all safety procedures and HVAC operational standards
- Properly handle refrigerants and HVAC tools/equipment
- Maintain good housekeeping within plant rooms and technical areas
- Follow lockout/tag-out and electrical safety procedures
- OND / HND / Technical Certification in Mechanical, Electrical, HVAC, or related discipline
- Minimum of 3 - 7 years practical HVAC maintenance experience
- Strong experience with:
- Daikin VRV/VRF systems
- Chillers
- AHUs
- Commercial HVAC systems
- Ability to read HVAC drawings and technical manuals
- Good understanding of refrigeration cycles and HVAC controls
- Hands-on troubleshooting capability is essential
- Experience in commercial buildings, malls, hospitals, airports, theatres, or industrial facilities is an advantage