Senior Software Engineer (PLC)

• Configure, set up, and support on-site installation, testing, and buy-off of PLC and automation systems. • Perform system troubleshooting, debugging, and optimization to ensure performance meets project requirements, including application of semiconductor process knowledge. • Develop and maintain PLC programs (e.g. Omron, Keyence) using Ladder Diagram, FBD, Structured Text, or Statement List. • Ensure reliable communication between PLCs and external devices via RS232, TCP/IP, Modbus, etc. • Collaborate with cross-functional teams to resolve technical issues during project execution. • Prepare and maintain technical documentation.