PLC Controls Engineer

About the Role

We're looking for a hands-on Siemens PLC engineer to support on-site operation, maintenance and commissioning at a customer facility in the United States. Several of the customer's team leaders are Chinese speakers, so you'll need to speak Chinese well enough to work closely with them every day. You'll serve as a key technical resource for keeping automated conveyor and material-handling systems running reliably.

Key Responsibilities

• Provide on-site operations and maintenance support for PLC-controlled automation systems
• Program, modify, troubleshoot and optimize Siemens PLC logic using TIA Portal
• Diagnose and fix faults in PLCs, field devices, sensors, drives and communication networks
• Perform integration testing, joint commissioning and debugging between conveyor lines, AGV systems and other subsystems, ideally in storage or warehousing settings
• Work with the customer's Chinese-speaking team leaders and local US staff, communicating clearly in Chinese and English
• Keep records of changes, fault logs and maintenance work, and write handover reports
• Train customer operators and maintenance staff when needed
• Support system upgrades, performance tuning and acceptance testing

Required Qualifications

• Chinese (Mandarin): fluent spoken Chinese for daily technical communication on-site
• Siemens PLC: proven, hands-on project experience with Siemens PLCs (e.g. S7-1200 / S7-1500)
• TIA Portal: practical experience programming, debugging and going online with live systems
• Availability: able to stay in the US for more than 3 months for this assignment
• Good troubleshooting skills in a live production environment
• Working English for talking with local staff and vendors

Preferred Qualifications

• Experience in the storage, warehousing or logistics automation industry
• Hands-on integration testing and joint commissioning of AGV systems with conveyor lines
• Familiarity with industrial networks (PROFINET, PROFIBUS) and HMI/WinCC
• Experience with drives and motion control (SINAMICS, VFDs)
• Previous overseas or international on-site commissioning experience
• Degree in Electrical Engineering, Automation, Mechatronics or a related field

What We Offer

• Competitive compensation plus applicable travel/per diem support
• Work on advanced logistics automation projects