Principal Electrical & Electronic Engineer

T.C. KHOO & CO. (PTE) LTD; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

T.C. KHOO & CO. (PTE) LTD is seeking an experiencedElectrical/Automation Engineer to perform preventive and corrective maintenance on industrial machinery in Singapore. You will diagnose electrical/electronic faults, troubleshoot PLCs and drives, and ensure safe operation after repairs.

The role requires over 10 years of hands-on experience with Omron PLCs, 415V three-phase systems and a strong ability to read schematics. Independent work style and adherence to safety protocols are essential.

Qualifications

• More than 10 years practical experience in industrial machine maintenance, fault finding and troubleshooting.
• Experience with 415 V three-phase machinery and inverter-controlled motors.
• Expert experience in Omron PLC programming and troubleshooting.
• Ability to diagnose faults in PLC systems, machine control boards and electrical control circuits.
• Proficient with electrical diagnostic instruments.
• Ability to work independently and identify root causes of breakdowns.
• Relevant qualification in Electrical, Electronic, Mechatronics or Automation Engineering, or equivalent practical experience.
• Experience in steam generation systems is a plus.

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 fault origins in PLC hardware, programming, control boards or connected components.
• Read and interpret electrical schematics, wiring diagrams and manuals.
• Test repaired machinery, confirm safe operation and document actions taken.
• Follow electrical safety procedures including lockout/tagout.

Skills

Industrial maintenance

Fault finding

Omron PLC programming

Electrical diagnostics

VFD troubleshooting

Electrical schematics

Root cause analysis

Steam generation

Independent work

Electrical safety

Education

Electrical/Electronic/Mechatronics or Automation Engineering

Tools

Oscilloscope

Multimeter

Diagnostic instruments

Job description

Key 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 associated wiring.


• Troubleshoot, modify and program Omron PLCs , including checking inputs, outputs, program logic and communication faults.


• Identify whether machine faults originate from PLC hardware, programming, control boards or connected components.


• Read and interpret electrical schematics, wiring diagrams and technical manuals.


• Test repaired machinery, confirm safe operation and document maintenance work, faults and corrective actions.


• Follow electrical safety procedures, including isolation and lockout/tagout requirements.

Required Skills and Experience

• Have more than 10 years practical experience in industrial machine maintenance, fault finding and troubleshooting.


• Very Experience working with 415 V three-phase machinery and inverter-controlled motors .


• Expert experience in Omron PLC programming and troubleshooting .


• Ability to diagnose faults in PLC systems, machine control boards and electrical control circuits.


• Very Competence in using electrical diagnostic instruments.


• Ability to work independently and systematically identify the root cause of machine breakdowns.


• Relevant qualification in Electrical, Electronic, Mechatronics or Automation Engineering, or equivalent practical experience.


• Have experience in steam generation system as well.

Desirable Skills

• Expert at electronic circuit board diagnosis and component-level repair.


• Expert ability to use an oscilloscope, identify defective electronic components, and carry out soldering and component replacement.


• Familiar with flashing software for erasing, writing or modifying of ROM/ memory chip.


• Expert experience with HMIs, industrial communication networks and other PLC brands.


• Have at least more than 10 years experience in the above