Junior Marine HVAC Technician

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