Marine HVAC Technician Intern (TRAINEE)

Company Overview

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

Job Summary

This hands-on internship trains you to assist senior HVAC engineers in servicing and repairing marine HVAC systems onboard ships, preparing you for a Junior Technician role.

Responsibilities

• Assist senior engineers in servicing and repairing marine air-conditioning, refrigeration, and ventilation systems onboard vessels
• Service compressors, fan motors, pumps, air handling units (AHUs), and fan coil units (FCUs) under supervision to maintain system performance
• Perform leak testing, nitrogen pressure testing, vacuuming, and refrigerant charging to ensure system integrity and compliance
• Conduct basic electrical checks including continuity, insulation resistance, voltage, and current measurements to support troubleshooting
• Read and interpret wiring diagrams and control schematics to assist in diagnosing and repairing HVAC systems
• Prepare tools, parts, and service reports accurately to document job completion and support maintenance records
• Follow safe working practices onboard vessels to maintain a safe work environment for self and team

Preferred competencies and qualifications

• Nitec, Higher Nitec, or Diploma in Electrical, Mechanical, Mechatronics, Marine, Facility Technology, or Air-Con & Refrigeration, or currently pursuing one
• Ability to perform physical tasks such as lifting, climbing, and working in confined spaces safely
• Comfortable working onboard ships, including engine rooms, at heights, and in tight spaces
• Willingness to work overtime and weekends as required by vessel jobs
• 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 a plus

Other Information

• Internship duration: 6 months, full-time
• Location: Singapore office at Kelantan Lane; work onboard vessels at Singapore ports, anchorages, and shipyards
• Training allowance: $800 – $1,000 per month
• Structured on-the-job training with experienced marine engineers
• Opportunity for full-time Junior Technician position upon successful completion
• Occasional overseas trips to attend vessels in port or at shipyards — short trips, flying in and out