Junior Marine HVAC Technician

GREEN SAILS; Singapore; On-site; SGD 20,000 - 25,000; Full time

Benefits offered by this job

Overtime pay

Medical benefits

Annual leave

Job summary

Green Sails Pte Ltd in Singapore is seeking a technician to service and repair marine air-conditioning, refrigeration and ventilation systems aboard vessels. You will work with our senior HVAC engineers and receive marine-side training.

You will perform hands-on maintenance on chillers, AHUs, FCUs, and assist with leak testing, electrical troubleshooting, and reporting. The role may involve overtime, overseas travel for short assignments, with clear career progression to Senior Technician.

Qualifications

• 1–3 years hands-on experience servicing air-con or refrigeration systems
• Marine or shipyard experience is an advantage
• Nitec/Higher Nitec/Diploma in Electrical/Mechanical/Marine or related hands-on qualification
• Ability to lift, climb, and work in confined spaces
• Willingness to travel overseas for short assignments
• Class 3 driving licence is an advantage

Responsibilities

• Service, troubleshoot and repair marine air-conditioning, refrigeration, and ventilation systems onboard vessels
• Service compressors (Carrier, Daikin, York, Sabroe, Bitzer, Copeland), AHUs, FCUs
• Perform leak detection, nitrogen pressure testing, vacuuming, and refrigerant charging
• Electrical troubleshooting on contactors, relays, overloads, switches
• Read wiring diagrams and control schematics to diagnose faults
• Conduct electrical checks including insulation resistance and voltage
• Carry out preventive maintenance onboard vessels
• Attend vessel breakdowns at Singapore ports
• Prepare service reports accurately
• Follow safe working practices onboard vessels

Skills

Hands-on HVAC

Marine/shipyard experience

Electrical troubleshooting

Reading wiring diagrams

Education

Nitec/Higher Nitec/Diploma

Electrical/Mechanical/Marine qualification

Tools

Gauges

Vacuum pump

Leak detector

Multimeter

Hand tools

Job description

Company Overview

Green Sails Pte Ltd is a Singapore marine engineering company specializing in condition monitoring, repairing, overhauling, installing, and commissioning air-conditioning, refrigeration, ventilation, and chiller systems onboard commercial and offshore vessels locally and overseas.

Job Summary

You will service, troubleshoot and repair marine air-conditioning, refrigeration and ventilation systems onboard vessels, working alongside our senior HVAC engineers. Land-based air-con experience is welcome. We will train you on the marine side.

Responsibilities

• Service, troubleshoot and repair marine air-conditioning, refrigeration, chilled water, and ventilation systems onboard vessels
• Service compressors (Carrier, Daikin, York, Sabroe, Bitzer, Copeland), fan motors, pumps, air handling units (AHUs), and fan coil units (FCUs)
• Perform leak detection, nitrogen pressure testing, vacuuming, and refrigerant charging to ensure system integrity
• Carry out electrical troubleshooting on contactors, relays, overloads, pressure switches, thermostats, and temperature controllers
• Read and interpret wiring diagrams and control schematics to diagnose faults
• Conduct electrical checks including continuity, insulation resistance, voltage, and current measurements
• Carry out preventive maintenance onboard vessels according to service schedules
• Attend vessel breakdowns at Singapore ports, anchorages, and shipyards
• Prepare service reports accurately to support job completion and documentation
• Follow safe working practices onboard vessels, including safe electrical isolation procedures

Preferred competencies and qualifications

• 1 – 3 years of hands‑on experience servicing air‑con or refrigeration systems; marine or shipyard experience is an advantage but not required
• Nitec, Higher Nitec, or Diploma in Electrical, Mechanical, Marine, or Air‑Con & Refrigeration, or equivalent hands‑on experience
• Competent with gauges, vacuum pump, leak detector, multimeter, and general hand tools
• Able to handle physical work such as lifting, climbing, and working in engine rooms, at heights, and in confined spaces
• Willingness to work overtime, weekends, and attend emergency vessel breakdowns
• Willingness to travel overseas on short assignments (typically a few days to two weeks) to attend vessels in port or anchorage
• Possession of a Class 3 driving licence is an advantage

Other Information

• Employment type: Full-time, permanent
• Location: Singapore office at Kelantan Lane; work primarily onboard vessels at Singapore ports, anchorages, and shipyards, with occasional overseas assignments
• Basic salary: $1,800 – $2,200 per month, depending on experience
• Overtime pay, performance incentives, medical benefits, and annual leave
• Training on marine chiller plants, provision refrigeration, variable frequency drives (VFDs), and PLC-based control systems
• Exposure to condition monitoring work such as vibration analysis and thermal imaging on marine machinery
• Career progression to Senior Technician
• Occasional overseas trips to attend vessels in port or at shipyards — short trips, flying in and out