Senior Industrial Electrical & PLC Systems Engineer

T.C. KHOO & CO. (PTE) LTD; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

T.C. KHOO & CO. (PTE) LTD in Singapore is seeking an experienced Industrial Maintenance Technician to carry out preventive and corrective maintenance on high‑grade machinery.

You will diagnose electrical, electronic and control system faults, troubleshoot VFDs, sensors, relays and Omron PLCs, and document actions taken. The role requires deep expertise with 415 V three‑phase equipment, strong fault‑finding skills, and the ability to work independently while ensuring safety and compliance with

Qualifications

• Must have 10+ years in industrial machine maintenance, fault finding and troubleshooting.
• Must have experience with 415 V three-phase machinery and inverter-controlled motors.
• Expert in Omron PLC programming and troubleshooting.
• Able to diagnose faults in PLC systems, machine control boards and electrical control circuits.
• Proficient with electrical diagnostic instruments.
• Capable of independent work and root-cause analysis of breakdowns.
• Relevant qualification in Electrical, Electronic, Mechatronics or Automation Engineering, or equivalent practical experience.
• Experience in steam generation systems.

Responsibilities

• Carry out preventive and corrective maintenance on industrial machinery.
• Diagnose and resolve electrical, electronic and control system faults.
• Troubleshoot three-phase motors, inverter drives (VFDs), sensors, relays, contactors and wiring.
• Troubleshoot, modify and program Omron PLCs, including inputs/outputs, logic and communication faults.
• Identify whether faults originate from PLC hardware, programming, control boards or connected components.
• Read and interpret electrical schematics, wiring diagrams and manuals.
• Test repaired machinery and document maintenance actions and faults.
• Follow electrical safety procedures including lockout/tagout.

Skills

Industrial maintenance

Fault finding

Troubleshooting

Omron PLC

415V three-phase

VFDs

Electrical diagnostics

Independent work

Root cause analysis

Steam generation

Education

Electrical, Electronic, Mechatronics or Automation Engineering

Tools

Oscilloscope

Electrical diagnostic instruments

PLC programming tools

Job description

T.C. KHOO & CO. (PTE) LTD in Singapore is seeking an experienced Industrial Maintenance Technician to carry out preventive and corrective maintenance on high‑grade machinery.

You will diagnose electrical, electronic and control system faults, troubleshoot VFDs, sensors, relays and Omron PLCs, and document actions taken. The role requires deep expertise with 415 V three‑phase equipment, strong fault‑finding skills, and the ability to work independently while ensuring safety and compliance with