Junior Marine HVAC Technician

Roles & Responsibilities

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

Tell employers what skills you have

Electrical Repairs
Relays
Vessel Management
Shipyards
AHP
Station Air-Conditioning Systems Maintenance
Leak Testing
Refrigeration
Insulation
Wiring Diagrams
Compressors
Pumps
Air Compressors
Voltage
Ship Maintenance
Vacuum Technology