HVAC TECHNICIAN (COLD ROOM)

THONG SIEK FOOD INDUSTRY PTE LTD • singapore, singapore • Posted July 14, 2026

Position Overview

Job Scope (Primary Responsibility)

Main focus:

  • Walk-in cold rooms / Freezers
  • Blast freezer systems (defrost-critical)
  • Chiller systems / cooling tunnels
  • Ice room & process cooling
Secondary:
  • Aircon systems (including Mitsubishi - basic to intermediate)
Critical Skills (MANDATORY) 1. Strong Refrigeration Troubleshooting (core requirement)

Candidate must be able to independently diagnose and fix:

  • System not reaching temperature
  • Intermittent cooling / unstable temperature
  • Ice buildup / defrost failure
  • High / Low pressure issues
  • Refrigerant-related faults

Must be able to understand:

  • Refrigeration cycle (practical, not theory only)
  • Superheat / basic charging logic
  • System behavior under load

Practical:

  • Brazing & piping rep...