Execute preventive and corrective maintenance for ACMV/HVAC systems to achieve uptime, energy efficiency, and safety/compliance targets. Act as a trusted technical advisor to customers and support the Quick Response Team (QRT) for breakdowns.

Key Responsibilities

• Preventive Maintenance (PM): Carry out scheduled PM for chillers/VRF/AHU/FCU/pumps/cooling towers/exhaust & ventilation systems per OEM and SOP/RA.
• Troubleshooting & Repair: Diagnose faults (mechanical/electrical/controls), perform repairs, parts replacement, refrigerant handling, leak checks, vacuum & charging.
• Testing & Commissioning: Verify system performance post-repair/PM; record readings (pressures/temperatures/amps/flows), optimize setpoints.
• BMS/Controls: Interface with BMS where applicable; basic I/O checks, sensor calibration, alarm investigation.
• Documentation: Complete service reports, checklists, photo records; propose corrective actions and parts; close work orders in CMMS on time.
• Safety & Compliance: Follow WSH rules, PTW/LOTO, toolbox talks, RA/SSOW; ensure site housekeeping and environmental compliance.
• Customer Interface: Explain findings and recommendations to clients; support quotations for repairs/upgrades/retrofits.
• QRT/On-Call: Participate in duty roster for after-hours support and urgent call-outs.

Requirements

• Nitec/Higher Nitec/Diploma in Mechanical/Electrical/Building Services (or equivalent).
• 2-5 years in HVAC/ACMV service (junior and senior levels considered).
• Strong hands-on with VRF, chilled-water systems, AHU/FCU, pumps, and ventilation.
• Able to read schematics, P&IDs, wiring diagrams; use multimeter/manifold gauge/recovery & vacuum equipment.
• Familiar with CMMS/mobile work orders; basic MS Office.
• Safety-minded; WSQ certs (e.g., Work at Height, Confined Space, LOTO) an advantage.

Success Metrics (KPIs)

• PM completion on time ≥ 98%; documentation closure within 24 hrs
• First-time fix rate ≥ 85%; call-back rate ≤ 5%
• SLA response time (QRT) compliance ≥ 95%
• Zero lost-time incidents; adherence to RA/SSOW/PTW
• Customer satisfaction ≥ 4.5/5; upsell/technical proposals submitted on time

Benefits (customize)

• Competitive salary + OT/on-call allowance, AWS/variable bonus
• Training (OEM/WSQ), PPE & calibrated tools provided
• Clear career path to Senior Engineer/Project Lead