HVAC Engineer (Service & Maintenance) — Aftersales Department

WE ENGINEERING PTE. LTD.; Singapore; On-site; SGD 36,000 - 48,000; Full time

Job summary

A reputable engineering firm in Singapore is seeking an experienced technician for HVAC maintenance. You'll perform preventive and corrective maintenance to ensure compliance and efficiency while acting as a technical advisor to clients. The ideal candidate should have a diploma in Mechanical or Electrical services, with 2–5 years of relevant experience. Competitive salary and benefits are offered, including training opportunities.

Benefits

Competitive salary and OT allowance

Training provided

Clear career path to senior roles

Qualifications

• 2–5 years in HVAC/ACMV service, both junior and senior levels considered.
• Strong hands-on with VRF, chilled-water systems, AHU/FCU, pumps, and ventilation.
• Familiar with CMMS/mobile work orders; basic MS Office.

Responsibilities

• Execute preventive maintenance for HVAC systems.
• Diagnose faults and perform repairs on HVAC equipment.
• Complete service reports and documentation on time.
• Participate in duty roster for after-hours support.

Skills

Hands-on experience with HVAC systems

Reading schematics and P&IDs

Customer communication

Safety compliance knowledge

Education

Nitec/Higher Nitec/Diploma in Mechanical/Electrical/Building Services

Tools

Multi-meter

Manifold gauge

Recovery equipment

Vacuum equipment

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

• 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