Staff Cell Product Development Engineer

About the Company

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.

Responsibilities

• Lead product design and technology roadmap development
• Develop and optimize cell design, including DOEs, production, validation, and certification
• Coordinate with customers on testing standards, plans, and schedules
• Serve as technical lead for projects, translating customer requirements into solutions
• Transfer R&D designs into scalable manufacturing and resolve critical manufacturing issues
• Lead mass production readiness assessments and execute Design Verification evaluations
• Evaluate key materials and drive adoption of advanced technologies
• Conduct cell testing, analyze results, and support failure analysis
• Track and interpret international standards and regulations

Requirements

• Master's degree in a relevant field
• At least 8 years of cell development experience
• Proven record of more than one mass-produced product
• Familiarity with cell design, production, testing standards, and safety regulations
• Experience with pouch and prismatic cells (electrode design and mechanical optimization)
• Proficiency in electrochemical and safety testing
• Strong understanding of Li-ion cell working principles and degradation mechanisms
• Strong failure analysis, problem-solving, and data analysis capabilities
• Fluent in English (written and spoken)

Preferred Qualifications

• Prior work experience at a battery company
• Experience developing customer projects and successfully achieving mass production