TSG FOOD PTE. LTD. Hiring! Full Time HVAC TECHNICIAN (COLD ROOM) in North Region (Singapore), Earn up to SGD 3,500 - Ricebowl

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 repair
• Leak detection tools
• Can work at height (no height phobia)

2. Compressor & System Fault Diagnosis

Hands-on experience with:

• Reciprocating compressors
• Multi-stage / low-temp systems

Must be able to troubleshoot:

• Compressor not starting
• Frequent tripping (HP/LP/overload)
• Abnormal noise / overheating
• Oil-related issues

3. Electrical & Control Troubleshooting (VERY IMPORTANT)
Must be able to:

• Read basic wiring diagrams
• Diagnose - Contractor/Relay faults, Power supply issues, Sensor faults
• Use multimeter confidently - Voltage, Continuity, Basic fault tracing

4. Controller Handling (e.g. Eliwell / Dixell)
Must be comfortable with controllers:
Required ability:

• Adjust setpoints
• Check alarms
• Identify fault conditions
Trigger manual defrost - UP key
• 5 sec

Practical understanding:

• Controller affects - Compressor, Defrost, Fans

Required : Confident operations + troubleshooting logic
Not required: deep programming

5. Defrost System Understanding (IMPORTANT)
Must understand and troubleshoot:

• Hot gas defrost
• Electric heater defrost

Example system: Timed defrost cycles (e.g. every 4hrs, ~23mins)

Must be able to identify:

• Heater failure
• Valve not switching
• Defrost not terminating

Job Requirement:

• Minimum 3-5 years hands-on HVAC / Refrigeration
• Minimum GCE 'O' Level
• Cold room or industrial refrigeration experience is a MUST
• Hardworking & Independent
• A team player
• Must be able to work on Weekends/Public Holidays

• Please DO NOT apply for this role if you only have residential aircon technician experience

It all started with a dream, a leap of faith, and a passion for Fish balls. Thong Siek Food Industry started in the 1970s as a family-run backyard operation. Back then, the entire family was involved in the production and distribution of a single product - Fish Ball.

What started as a small operation in the backyard of the family home in 1976 has grown to become Singapore’s prefered brand in fish balls. In the beginning, the entire family was responsible for the fish ball production. Currently, DoDo food products are made possible by a workforce of more than 300 . To date, our base factory can produce more than 60 varieties of fish-based products, distributed all around the world.

DoDo has grown to be a trusted brand worldwide. Produced by Thong Siek Global (TSG), DoDo is made by the first fish ball manufacturer in Singapore to attain the HACCP and Halal Certifications. The company also obtained the EU license for export to the EU market. In 2015, TSG attained the prestigious Gold Award from AVA for achieving Grade A in hygiene standard for 15 consecutive years. This is a FIRST in the fish ball manufacturing industry, an assurance to all DoDo lovers that all DoDo products keep a high standard. More than the awards and recognition, what we treasure most are the personal reviews, from home cooks who trust only DoDo, or parents who appreciate DoDo as a good snack for their kids. We keep things fresh and good with all of you in mind.

DoDo products remain very consistent to the standards kept when the small family business began. The DoDo fish ball, in particular, is considered a leading brand. It is known for its fresh taste and the goodness of its bite, which the perfect texture and bounciness that Singaporeans have come to love and enjoy. As a meal or as a snack, Singaporeans have chosen DoDo because of its healthy protein rich content and its low cholesterol. Whether in terms of goodness or benefits to the health, DoDo stands as the guiltless choice; Singaporeans say its "So Good, So Enjoy”.