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 seeks a hands-on technician to service, troubleshoot and repair marine air-conditioning, refrigeration and ventilation systems aboard vessels. Training on marine chillers, VFDs and PLC controls will be provided and you will support senior HVAC engineers.

The role is based in Singapore, with work on vessels at ports and shipyards and occasional overseas trips. 1–3 years of relevant experience is preferred; overtime, medical benefits and annual leave are included.

Qualifications

• 1–3 years of hands-on experience servicing air-conditioning 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.

Responsibilities

• Service, troubleshoot and repair marine A/C, refrigeration, and ventilation systems onboard vessels.
• Inspect and repair compressors, AHUs, FCUs, and related components.
• Carry out leak testing, nitrogen pressure checks, and refrigerant charging.
• Perform electrical troubleshooting on contactors, relays, and controllers.
• Read wiring diagrams and control schematics to diagnose faults.
• Document service reports and maintain safety during operations.
• Attend vessel breakdowns at Singapore ports and shipyards.

Skills

HVAC servicing

Electrical troubleshooting

Reading wiring diagrams

Education

Nitec / Higher Nitec / Diploma in Electrical, Mechanical, Marine or Air-Con & Refrigeration

Tools

Gauges

Vacuum pump

Leak detector

Multimeter

General 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-conditioning 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