ConsumerBatteryCellAssemblyProcessEngineer

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) which 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, the first to deliver B-samples of automotive-sized solid-state batteries to major OEMs. The Opportunity: Factorial is looking for a Consumer Battery Cell Assembly Process Engineer who will be responsible for assembly process and equipment development for consumer lithium-ion battery applications. We leverage cutting-edge automated manufacturing to revolutionize consumer battery performance, cost, and scalability. This role requires experience in close cooperation with internal teams and external partners. This candidate will be involved from the beginning of process optimization for R&D projects, pilot line scale-up, and through to low/high-volume production. The candidate must demonstrate excellent written and verbal communication skills to facilitate efficient communication between various departments/vendors. In this role, you will: Responsible for the development and optimization of pouch stacking cell assembly processes, covering the entire process from post-stacking to sealing completion. Lead or participate in key processes such as electrode alignment, stacking compaction, tab forming, and pre-sealing/final sealing. Establish and maintain assembly SOPs, PFMEA, and Control Plans, defining CTQs and process windows. Part