Job Description

System Architecture & Design

• Design and develop scalable, modular, and maintainable PLC software architecture for automation and semiconductor manufacturing equipment.
• Define and standardize PLC software architecture, including:I/O structure and naming conventionsState machine and sequence control logicInterlock, safety, and fail-safe strategiesAlarm handling philosophyReusable software modules and coding standards
• Review and continuously improve PLC software design standards across projects to ensure consistency, reliability, and maintainability.

Software Development & System Integration

• Develop advanced PLC software using IEC 61131-3 programming languages, including Ladder Diagram (LD), Structured Text (ST), and Function Block Diagram (FBD).
• Design and integrate PLC systems with:HMISCADAMESERPIndustrial communication protocols such as EtherCAT, Modbus TCP/IP, SECS/GEM, OPC UA, and REST APIs where applicable.
• Support system commissioning, troubleshooting, performance optimization, FAT, SAT, and customer buy-off.

Technical Leadership

• Lead and mentor Software Engineers on PLC software design, architecture, troubleshooting, and best engineering practices.
• Review software quality, coding standards, and project deliverables.
• Drive technical decisions, software standardization, and continuous improvement initiatives.
• Support project planning, technical risk assessment, resource planning, and customer technical discussions.

Job Requirements

• Bachelor's Degree or Diploma in Electrical Engineering, Mechatronics, Automation Engineering, Computer Engineering, or a related discipline.
• Minimum 8–10 years of hands-on PLC automation experience, preferably in semiconductor equipment or machine automation.
• Proven experience in:PLC software architecture and system designComplete project lifecycle (design, development, commissioning, FAT, SAT, and customer buy-off)Troubleshooting complex automation systemsSystem integration with HMI, SCADA, MES, ERP, and industrial communication networks
• Strong hands-on experience with one or more major PLC platforms, such as Omron, Siemens, Rockwell, Mitsubishi, Beckhoff, or Keyence.
• Strong knowledge of industrial communication protocols, including EtherCAT, Modbus TCP/IP, SECS/GEM, OPC UA, and related automation technologies.
• Experience leading technical teams, mentoring engineers, and establishing PLC software standards.
• Strong analytical, problem-solving, communication, and project coordination skills.