Marine HVAC Technician Intern (TRAINEE)

Roles & Responsibilities

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

Tell employers what skills you have

Air Conditioning
Motors
AHP
Leak Testing
Workplace Safety
HVAC
Operate Electrical Measurement Devices
Marine Equipment and System Maintenance
Refrigeration
Attention to Detail
Service Maintenance
Insulation
Manage Workplace Safety and Health in Shipbuilding and Ship Repair
Compressors
Pumps
Voltage
Performance Management
Vacuum Technology