Automation Engineer

ZERO WASTE SOLUTION PTE. LTD.; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

ZERO WASTE SOLUTION PTE. LTD. is seeking an automation engineer to develop, test and maintain PLC programs for food waste processing equipment in Singapore.

You will design HMIs, prepare electrical schematics and oversee control panel wiring, contributing to efficient, safe operations. You will tune control loops, calibrate sensors, integrate VFDs and IoT connectivity, and support commissioning, maintenance and on-site service.

Qualifications

• Degree or Diploma in Electrical, Electronics, Mechatronics, Instrumentation & Control Engineering, or related field.
• 2–3 years hands-on PLC programming and industrial automation; fresh graduates with strong project or internship experience welcome for junior role.
• Experience with sensors, field instruments, VFDs and control panel design.
• Familiarity with Modbus, Profinet, Ethernet/IP, MQTT.
• Ability to read and produce electrical diagrams using AutoCAD Electrical, EPLAN or similar.
• Strong troubleshooting skills and comfort working both in the workshop and at customer sites.
• Experience with IoT platforms or cloud services (AWS IoT, Azure IoT, Node-RED, ThingsBoard).
• Basic scripting or programming (Python, C/C++) for data handling or edge devices.
• Experience with SCADA systems.
• Background in environmental, waste, water treatment or process equipment.
• Licensed Electrical Worker (LEW) qualification or relevant safety certifications.
• Class 3 driving licence

Responsibilities

• Develop, test and maintain PLC programs for food waste processing equipment.
• Design and configure HMI screens for intuitive local operation.
• Prepare electrical and control schematics, I/O lists and panel layouts; oversee control panel assembly and wiring.
• Tune control loops to optimise processing performance and energy use.
• Specify, select, install and calibrate sensors and field instruments.
• Integrate VFDs, motors, heaters, valves and actuators with the control system.
• Maintain calibration records and instrument documentation.
• Lead testing (FAT/SAT) and on-site commissioning of new installations.
• Troubleshoot electrical, instrumentation and control faults on site and remotely.
• Provide technical support and training to service technicians and customer operators.
• Contribute to the design of new machine models and upgrades.
• Maintain technical documentation: manuals, wiring diagrams, program backups and change logs.

Skills

PLC programming

HMI design

Electrical schematics

Control panels

Sensor calibration

VFD integration

IoT connectivity

Predictive maintenance

SCADA systems

Cybersecurity

AutoCAD Electrical

EPLAN

Education

Degree or Diploma in Electrical Engineering

Mechatronics background

Tools

AutoCAD Electrical

EPLAN

MQTT

Job description

PLC programming & control systems

• Develop, test and maintain PLC programs (e.g., Keyence, Siemens, Omron) for food waste processing equipment
• Design and configure HMI screens for intuitive local operation
• Prepare electrical and control schematics, I/O lists and panel layouts; oversee control panel assembly and wiring
• Tune control loops (temperature, moisture, motor speed, dosing) to optimise processing performance and energy use

Sensors & instrumentation

• Specify, select, install and calibrate sensors and field instruments such as temperature, humidity, level, load cells/weight, pressure, gas/odour and flow
• Integrate VFDs, motors, heaters, valves and actuators with the control system
• Maintain calibration records and instrument documentation

IoT & remote monitoring

• Implement and improve IoT connectivity (e.g. 4G/LTE gateways, MQTT, Modbus RTU/TCP, OPC UA) to stream machine data to the cloud
• Work with software partners on dashboards, alarms and reporting for clients and our service team
• Use operating data to drive predictive maintenance, troubleshooting and product improvements
• Apply good cybersecurity practice to connected equipment

Commissioning, service & support

• Lead testing (FAT/SAT) and on-site commissioning of new installations
• Troubleshoot electrical, instrumentation and control faults on site and remotely
• Provide technical support and training to service technicians and customer operators

R&D & continuous improvement

• Contribute to the design of new machine models and upgrades to existing ones
• Ensure designs comply with relevant Singapore standards and safety requirements
• Maintain technical documentation: manuals, wiring diagrams, program backups and change logs

Requirements:

• Degree or Diploma in Electrical, Electronics, Mechatronics, Instrumentation & Control Engineering, or a related field
• At least 2-3 years of hands-on experience in PLC programming and industrial automation (fresh graduates with strong project or internship experience are welcome to apply for a junior position)
• Practical experience with sensors, field instruments, VFDs and control panel design
• Familiarity with industrial communication protocols (Modbus, Profinet, Ethernet/IP, MQTT)
• Ability to read and produce electrical drawings using AutoCAD Electrical, EPLAN or similar
• Strong troubleshooting skills and comfort working both in the workshop and at customer sites
• Experience with IoT platforms or cloud services (e.g. AWS IoT, Azure IoT, Node-RED, ThingsBoard)
• Basic scripting or programming (Python, C/C++) for data handling or edge devices
• Experience with SCADA systems
• Background in environmental, waste, water treatment or process equipment
• Licensed Electrical Worker (LEW) qualification or relevant safety certifications
• Class 3 driving licence