Senior HVAC Technician — Systems Maintenance & Repair

hrsi; Karachi Division; On-site; PKR 300,000 - 520,000; Full time

Job summary

HRSI is seeking an HVAC Technician to join our maintenance team in Karachi. The role involves installing, servicing, and repairing HVAC and refrigeration equipment across commercial facilities.

You will perform preventive maintenance, troubleshoot faults, read drawings, coordinate with supervisors, and ensure safe, compliant operations. 5–6 years experience in AHUs, FCUs, cooling towers, and related systems is required.

Qualifications

• Diploma or certification in a relevant field.
• 5–6 years' maintenance experience in HVAC.
• Experience with AHUs, FCUs, cooling towers, pumps, valves, exhausts and fans.

Responsibilities

• Install, maintain, troubleshoot, and repair HVAC and refrigeration equipment.
• Perform preventive and corrective maintenance on HVAC systems and associated equipment.
• Inspect and service chillers, AHUs, FCUs, package units, split ACs, VRF/VRV systems, ventilation fans, and exhaust systems.
• Diagnose electrical, mechanical, and refrigeration faults in HVAC equipment.
• Check refrigerant pressures, temperatures, airflow, and system operating conditions.
• Perform refrigerant charging, recovery, leak detection, and evacuation in accordance with approved procedures.
• Inspect and clean filters, coils, fans, belts, bearings, dampers, drains, and other HVAC components.
• Troubleshoot compressors, motors, thermostats, sensors, control valves, contactors, relays, and other components.
• Check and maintain chilled-water systems, pumps, valves, and associated piping where applicable.
• Assist with installation, testing, commissioning, and start-up of HVAC equipment.
• Read and interpret HVAC drawings, wiring diagrams, equipment manuals, and technical specifications.
• Respond to breakdowns and emergency maintenance requests and restore equipment to normal operation.
• Record maintenance activities, equipment readings, faults, spare parts used, and repair work performed.
• Coordinate with supervisors, BMS operators, electricians, and other maintenance teams.
• Maintain HVAC tools, testing instruments, spare parts, and work areas in good condition.
• Follow manufacturer recommendations and preventive maintenance schedules.
• Comply with company policies, permit-to-work procedures, and health and safety requirements.
• Ensure proper housekeeping and safe working practices at all times.

Skills

HVAC maintenance

Troubleshooting

Electrical

Refrigeration

Education

Diploma / Certification in relevant field

Job description

HRSI is seeking an HVAC Technician to join our maintenance team in Karachi. The role involves installing, servicing, and repairing HVAC and refrigeration equipment across commercial facilities.

You will perform preventive maintenance, troubleshoot faults, read drawings, coordinate with supervisors, and ensure safe, compliant operations. 5–6 years experience in AHUs, FCUs, cooling towers, and related systems is required.