Principal Engineer -PLC / Electrical Engineer

At Western Digital, our vision is to power global innovation and push the boundaries of technology to make what you thought was once impossible, possible. At our core, Western Digital is a company of problem solvers. People achieve extraordinary things given the right technology. For decades, we’ve been doing just that—our technology helped people put a man on the moon and capture the first-ever picture of a black hole. We offer an expansive portfolio of technologies, HDDs, and platforms for business, creative professionals, and consumers alike under our Western Digital®, WD®, WD_BLACK™, and SanDisk® Professional brands. We are a key partner to some of the largest and highest-growth organizations in the world. From enabling systems to make cities safer and more connected, to powering the data centers behind many of the world’s biggest companies and hyperscale cloud providers, to meeting the massive and ever-growing data storage needs of the AI era, Western Digital is fueling a brighter, smarter future. Today’s exceptional challenges require your unique skills. Together, we can build the future of data storage.

Position Summary / 职位概述 Join our Sunshine Sputter Platform as a PLC / Automation & Controls Engineer . You will be responsible for the electrical architecture, PLC software development, and automation integration of advanced PVD and CVD vacuum coating equipment. Working with multidisciplinary engineering teams, you will support equipment development, factory deployment, and sustaining engineering across our manufacturing sites in Shenzhen and Penang. Key Responsibilities / 主要职责 Develop and maintain Siemens PLC software for sequence control, interlocks, recipe management, alarm handling, and process automation. Design electrical schematics, I/O architecture, control cabinets, and wiring diagrams using AutoCAD Electrical. Integrate and commission turbomolecular pumps, vacuum gauges, RF power supplies, servo systems, temperature controllers, and other equipment subsystems. Support equipment startup, troubleshooting, process optimization, and sustaining engineering to maximize equipment uptime and reliability. Design low-voltage power distribution systems and select electrical components for control cabinets. Prepare and maintain electrical documentation including control specifications, electrical BOMs, wiring manuals, operating procedures, and engineering documentation. Collaborate with mechanical, process, manufacturing, and supplier teams to deliver integrated equipment solutions. Provide engineering support for manufacturing operations in Shenzhen, Penang, and other global production sites.

Qualifications / 任职资格 Education Master's degree or above in Electrical Engineering, Automation, Mechatronics, Control Engineering, or a related discipline.

Minimum 5 years of experience in semiconductor, vacuum coating, or precision automation equipment. Experience in equipment development, controls engineering, commissioning, troubleshooting, and sustaining engineering. Technical Skills Expert in Siemens PLC programming (S7-300, S7-400, S7-1500). Proficient in AutoCAD Electrical for electrical schematics, I/O design, cabinet layout, and wiring documentation. Strong experience integrating vacuum gauges, turbomolecular pump controllers, RF power supplies, servo drives, and temperature control systems. Solid understanding of industrial automation, motion control, fieldbus communication, and electrical safety standards. Experience with low-voltage power distribution design, control cabinet layout, and electrical component selection. Language Professional English skills for technical documentation, engineering meetings, and collaboration with global engineering teams and suppliers.