HVAC Technician at Churchgate Group

The HVAC Technician will support the safe, reliable, and efficient operation of HVAC systems across WTC Abuja facilities including Commercial Tower (CT), Service Apartment Tower (SAT), Clubhouse, common areas, perimeter facilities, and critical tenant areas. He will carry out preventive and corrective maintenance, troubleshooting, servicing, and repair of VRV/VRF systems, chillers, DX systems, ventilation systems, air distribution systems, and associated HVAC equipment under the supervision of the HVAC Supervisor or Engineer-in-Charge.

Job Details

Key Responsibilities

• Report for duty as per shift schedule and attend daily toolbox meetings led by the HVAC Supervisor.
• Carry out preventive and corrective maintenance on HVAC systems including VRV/VRF systems, DX split/package units, chillers, AHUs, FAHUs, FCUs, ventilation and exhaust systems, pressurization systems, pumps, and associated controls.
• Perform Planned Preventive Maintenance (PPM) activities including filter cleaning/replacement, coil cleaning, drain flushing, blower inspection, belt inspection/replacement, lubrication, refrigerant pressure checks, electrical tightening, and operational parameter monitoring.
• Troubleshoot HVAC system faults related to refrigeration, airflow, electrical controls, communication systems, sensors, compressors, fans, pumps, thermostats, and actuators.
• Attend and respond to tenant complaints, emergency breakdowns, and after-hours HVAC call-outs as rostered.
• Monitor and record operational parameters including suction/discharge pressure, temperature, superheat/subcooling, current/voltage, chilled water temperature, airflow abnormalities, and alarm conditions.
• Carry out refrigerant-related works including leak testing, vacuuming, refrigerant charging/recovery, pressure testing, brazing, and piping repair.
• Assist in troubleshooting VRV/VRF communication and operational faults using service checker software or diagnostic tools where applicable.
• Conduct routine inspection of HVAC plant rooms, FCU/AHU rooms, risers, ventilation areas, and mechanical spaces; report abnormalities immediately.
• Ensure proper housekeeping of HVAC equipment rooms and maintenance areas including cleanliness, labeling, accessibility, and safety compliance.
• Monitor HVAC system performance and immediately report abnormal conditions such as low cooling performance, compressor short cycling, refrigerant leaks, abnormal noise/vibration, high pressure trips, low suction conditions, airflow imbalance, and water leakage.
• Assist in air balancing, duct inspection, damper adjustment, and ventilation troubleshooting works.

Experience

• Minimum 5-7 years of practical HVAC maintenance experience in commercial high-rise buildings, hotels, industrial facilities, hospitals, malls, or similar large facilities.
• Hands-on experience with VRV/VRF systems, DX systems, chillers, ventilation systems, and HVAC troubleshooting is mandatory.

Education

• National Diploma (ND) or Higher National Diploma (HND) in Mechanical Engineering, Refrigeration & Air Conditioning, or related technical field.
• Technical apprenticeship or vocational HVAC training completed.

Preferred Certifications

• HVAC/Refrigeration technical certification
• Refrigerant handling certification
• Basic electrical troubleshooting training
• Safety training (OSHA, NEBOSH,or equivalent preferred)
• Basic first aid/firefighting training

Skills & Competencies

• Strong hands-on knowledge of VRV/VRF systems, DX units, chillers, AHUs, FCUs, ventilation systems, chilled water systems, and HVAC controls.
• Good troubleshooting and diagnostic skills for refrigeration, electrical, airflow, and control-related faults.
• Familiarity with Daikin VRV Service Checker or similar HVAC diagnostic softwareis an advantage.
• Ability to read HVAC drawings, piping layouts, ducting drawings, and control schematics.
• Understanding of refrigeration cycle, superheat/subcooling concepts, airflowbalancing, and preventive maintenance practices.
• Basic knowledge of HVAC BMS monitoring and control systems.
• Skilled in refrigerant charging, leak testing, vacuuming, brazing, and piping repair works.
• Basic computer literacy – able to update tasks and reports using SMART CHECK or mobile applications.
• Good communication and reporting skills.
• Team-oriented, safety-conscious, disciplined, and able to work under pressure.
• Flexible and willing to work rotating shifts and emergency breakdown support.