Jobs at Churchgate Group

The HVAC Supervisor will be responsible for supervising and coordinating the safe, reliable, and efficient operation of HVAC systems across WTC Abuja facilities including Commercial Tower (CT), (SAT), Clubhouse, common areas, perimeter facilities, and critical tenant areas. Will also oversee preventive and corrective maintenance, troubleshooting, servicing, and repair of VRV/VRF systems, chillers, DX systems, ventilation systems, and associated HVAC equipment while ensuring operational reliability, energy efficiency, customer satisfaction, and compliance with maintenance and safety standards.

Key Responsibilities

• Supervise daily HVAC maintenance and operations activities across assigned facilities and plant areas.
• Coordinate and monitor HVAC technicians during Planned Preventive Maintenance (PPM), breakdown maintenance, servicing, and shutdown activities.
• Attend daily toolbox meetings and allocate manpower, work orders, and operational priorities.
• Monitor operation and maintenance of VRV/VRF systems, DX systems, chillers, AHUs, FCUs, ventilation systems, pumps, and associated controls.
• Ensure proper execution of preventive maintenance schedules and monitor maintenance quality standards.
• Troubleshoot and coordinate resolution of HVAC operational issues related to refrigeration, airflow, controls, electrical systems, communication faults, and chilled water systems.
• Respond to tenant complaints, emergency breakdowns, and critical HVAC failures while ensuring timely escalation and resolution.
• Review operational parameters including pressure, temperature, current, superheat/subcooling, chilled water temperatures, alarms, and system trends.
• Coordinate OEM vendors and contractors during troubleshooting, servicing, testing, commissioning, and repair activities.
• Ensure proper refrigerant handling, leak testing, vacuuming, charging, and brazing activities are carried out according to OEM and safety standards.
• Monitor HVAC plant rooms, FCU/AHU rooms, risers,rooftops, ventilation areas,and mechanical spaces to ensure operational reliability and proper housekeeping.
• Prepare and review service reports, maintenance logs, breakdown records, and operational reports using SMART CHECK (Rise App) or other maintenance systems.
• Track repetitive failures and conduct preliminary root-cause analysis to improve operational reliability.
• Coordinate with Electrical, Plumbing, BMS, ELV, and Facility teams during shutdowns, breakdowns, and maintenance activities.
• Ensure all technicians follow safety procedures including PPE usage, Lockout/Tagout (LOTO), permit-to-work systems, and refrigerant safety procedures.
• Assist in KPI monitoring, manpower performance review,technical training, and development of HVAC technicians.
• Monitor spare parts and material requirements and report shortages to management.
• Support energy-efficiency initiatives and operational improvement programs.
• Must be willing to work rotating shifts, weekends, Sundays, public holidays, and emergency call-outs as required.
• Perform any other duties assigned by the HVAC Engineer, Facilities Manager, or Engineer-in-Charge.

Requirements

Experience

• Minimum 5–8 years of HVAC maintenance and supervisory experience in commercial high-rise buildings, hotels, industrial facilities, hospitals, malls, or similar large facilities.
• Hands-on experience with VRV/VRF systems, chillers, DX systems, ventilation systems, and HVAC troubleshooting is mandatory.

Education

• HND/Bachelor’s Degree in Mechanical Engineering, Refrigeration & Air Conditioning, or related field.
• Technical HVAC vocational or OEM training is preferred.

Preferred Certifications

• HVAC/Refrigeration certification
• Daikin VRV or equivalent OEM training
• Safety certification (OSHA, NEBOSH,or equivalent preferred)
• Basic first aid/firefighting training

Skills & Competencies

• Strong operational knowledge of VRV/VRF systems, DX units, chillers, AHUs, FCUs, ventilation systems, chilled water systems, and HVAC controls.
• Good troubleshooting and diagnostic capability for refrigeration, electrical, airflow, and control-related HVAC faults.
• Ability to supervise technicians and coordinate maintenance activities effectively.
• Familiarity with HVAC BMS systems and service checker software is an advantage.
• Ability to read HVAC drawings, piping layouts, ducting drawings, and control schematics.
• Good reporting, communication, and coordination skills.
• Basic computer literacy and ability to update maintenance records through SMART CHECK or mobile applications.
• Strong safety awareness, teamwork,leadership, and abilityto work under pressure.

go to method of application »

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.