Job Description

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

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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

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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)

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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)

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