Junior Marine HVAC Technician

GS CBM; Singapore; On-site; SGD 20,000 - 25,000; Full time

Benefits offered by this job

Overtime pay

Medical benefits

Annual leave

Training on marine chiller plants

Job summary

Green Sails Pte Ltd in Singapore specializes in marine air-conditioning, refrigeration, and ventilation systems and seeks a technician to service, troubleshoot, and repair onboard vessels. Training will cover marine-specific equipment, while land-based air-conditioning experience is welcomed.

You will work alongside senior HVAC engineers, with opportunities for overtime, overseas assignments, and career progression within a full-time role at the Singapore office and on vessels.

Qualifications

• 1–3 years 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 (few days to two weeks) to attend vessels in port or anchorage
• Possession of a Class 3 driving licence is an advantage

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, AHUs, and 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

Skills

Hands-on experience

Nitec/Diploma

Gauges & tools

Physical endurance

Overtime willingness

Overseas travel

Driver's license

Education

Nitec/Higher Nitec or Diploma in Electrical/Mechanical/Marine/AC&R

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