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Quality Technician
Company: Factorial Energy
Location: Cheonan, South Korea
Department: Quality
Who We Are
Factorial Energy is a pioneering U.S.-based solid-state battery company driving the future of energy storage and electrification. Partnered with global leaders including Mercedes-Benz, Stellantis, Hyundai, and Kia, Factorial is at the forefront of developing next-generation e-mobility platforms for commercial, defense, and consumer applications—spanning electric vehicles (EVs), drones, eVTOL aircraft, power tools, marine systems, robotics, and more. The company has achieved multiple industry firsts, including being the first to power a demonstration vehicle with a global OEM (Mercedes-Benz) that achieved over 1,200 km (749 mi) of range, and the first to earn UN 38.3 certification for automotive-sized lithium-metal solid-state cells, and the first to deliver B-samples of automotive-sized solid-state batteries to major OEMs.
The Opportunity:
Factorial Energy is seeking a Quality Technician to make sure materials, in-process work, and finished cells at our Cheonan site meet our quality standards. You’ll work hands-on in dry room and clean room environments, inspecting and testing at every stage and working with engineering to catch issues early.
In this role, you will:
Perform incoming inspection of raw and subsidiary materials and verify measured values against certificates of analysis
Conduct quality inspections of work-in-process across electrode, assembly, and formation processes
Measure OCV, internal resistance, and charge/discharge characteristics of finished cells, and perform visual and dimensional inspections
Record inspection results in the system and compile them into inspection reports
Perform routine checks of measurement equipment and report any abnormalities
Identify and quarantine nonconforming products and report them to the responsible engineer
Work in dry room and clean room environments, wear cleanroom suits, and verify compliance with environmental standards
Support sampling inspections during initial (pilot) production or trial production of new products
Follow inspection-related standards (SOPs, work instructions) and suggest revisions when needed
We are looking for people who:
Associate degree or higher
Experience in inspection roles in manufacturing
Experience using measuring instruments and following inspection standards
Must be able to work shifts and in environments requiring cleanroom suits
Able to perform basic data aggregation and organization using Excel or similar tools
Available for shift work (as needed)
Preferred Qualifications
Experience handling customer inquiries and audits
Hands-on experience in secondary battery cell manufacturing
Degree in science or engineering
Basic conversational English
Understanding of instrument accuracy management (calibration) concepts
Academic background related to lithium-ion/lithium-metal batteries (e.g., chemistry, materials science, electrical/electronic engineering)
Work Location: Cheonan, South Korea
Factorial Energy is an equal opportunity employer that values diversity at all levels. All qualified applicants, regardless of personal characteristics, are encouraged to apply.
To request a reasonable accommodation to complete an application, job interview, and/or to otherwise participate in the hiring process, please contact (