Senior / Staff MES System Engineer

The role

This person will lead the full-lifecycle implementation, customization, validation, and optimization of the Manufacturing Execution System (MES) for solid-state and silicon anode pouch cell production lines. They will manage system deployment, equipment data interconnection, and process digitization to support mass production.

What you will do

• Lead MES system requirement analysis, functional design, secondary development, testing, and user training.
• Realize data interconnection between MES and production equipment, PLC, vision system, testing instrument, ERP, and WMS.
• Conduct MES system FAT/SAT acceptance and IQ/OQ/PQ validation.
• Formulate system operation specifications, data management standards, and audit standards.
• Optimize MES production scheduling, process routing, quality inspection, material scanning, and data reporting logic.
• Build standardized digital management systems including SOPs, maintenance specifications, and data backup mechanisms.
• Collaborate with cross-functional teams and external system vendors for MES deployment and digital transformation.
• Optimize MES data acquisition logic for silicon cell production and full-process traceability.
• Lead MES system technical transfer from pilot line to mass production.
• Use data analysis and root cause analysis to solve system and data exceptions and support CAPA closure.

Required qualifications

• Bachelor’s degree or above in Computer Science, Information Engineering, Automation, Mechanical, Electrical, or related fields.
• 3+ years of MES system implementation, secondary development and on-site operation and maintenance experience in lithium battery or new energy manufacturing industry.
• Familiar with battery production business processes.
• Proficient in MES module functions such as process routing management, data collection, quality control, material management, and production report statistics.
• Proficient in SQL database query and optimization.
• Familiar with industrial Ethernet, PLC communication, machine data docking, and industrial interconnection principles.
• Capable of independent requirement sorting, function customization, problem troubleshooting, and system version iteration.
• Experienced in production line NPI and mass production digital support.
• Familiar with automotive industry quality management systems such as IATF16949.
• Equipped with cross-functional coordination, project management, and vendor communication capabilities.
• Competent in on-site system troubleshooting and English technical document output.
• Proficient in English for technical document reading, global technical meetings, and technical report delivery.

About the company

Factorial Energy is a U.S.-based solid-state battery company developing next-generation e-mobility platforms for commercial, defense, and consumer applications. The company is partnered with global leaders including Mercedes-Benz, Stellantis, Hyundai, and Kia.