Principal Electrical & Electronic Engineer

T.C. KHOO & CO. (PTE) LTD; Região Norte; On-site; BRL 180,000 - 300,000; Full time

Job summary

T.C. KHOO & CO. (PTE) LTD in Região Norte, Brazil seeks a highly experienced industrial maintenance engineer specialized in Omron PLCs.

You will perform preventive and corrective maintenance, diagnose faults in electrical, electronic and control systems, and troubleshoot three-phase motors and VFDs. The ideal candidate has over 10 years hands-on experience, can read schematics, work independently, and document actions.

Qualifications

• More than 10 years' experience in industrial machine maintenance and fault finding.
• Strong expertise with 415 V three-phase machinery and inverter-controlled motors.
• Expert in Omron PLC programming and troubleshooting.
• Ability to diagnose faults in PLC systems and electrical control circuits.
• Proficient with electrical diagnostic instruments and schematics.
• Independent worker who identifies root causes and documents actions.
• Formal qualification in Electrical/Electronic/Mechatronics or Automation Engineering.

Responsibilities

• Carry out preventive and corrective maintenance on industrial machinery.
• Diagnose and resolve faults in electrical, electronic and control systems.
• Troubleshoot three-phase motors, VFDs, sensors, relays and wiring.
• Program and troubleshoot Omron PLCs, check inputs/outputs and communication faults.
• Identify root causes across PLC hardware, programming and control boards.
• Read electrical schematics and wiring diagrams; follow safety procedures.
• Test repaired equipment, document actions and ensure safe operation.

Skills

Omron PLC programming

Electrical troubleshooting

3-phase motors

VFDs / Inverter drives

Schematic reading

Electrical safety procedures

PLC fault diagnosis

Industrial diagnostic instruments

HMIs and networks

Education

Electrical/Electronic/Mechatronics/Automation Engineering degree

Tools

Oscilloscope

ROM/flash programming tools

Omron PLC programming software

Electrical 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