Director, Cell Product Development
Factorial EnergyCheonan, South Korea
Full Time
Posted April 16, 2026
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Job Description
The position involves leading the development and optimization of next-generation solid-state battery cells, managing engineering teams, and collaborating with internal and external partners to ensure successful product design, validation, and manufacturing for advanced energy storage solutions.
Key Responsibilities
- Lead the design and development of next-generation battery cells.
- Manage multiple cell design teams and oversee finalization of cell designs for manufacturing.
- Define cell bill of materials, create cell drawings, and ensure design requirements are met.
- Lead product development processes including concept, design, validation, and testing.
- Conduct root cause analysis and implement design improvements.
- Execute Design for Manufacturing (DFM) and perform Failure Mode Effects Analysis (FMEA).
- Innovate through research, publications, presentations, and patents related to battery technology.
- Design, validate, and analyze lithium secondary batteries for process and equipment improvements.
- Develop and optimize large cell fabrication processes for manufacturing and quality.
- Provide engineering support to resolve production and quality issues.
- Lead design-for-cost and value-engineering initiatives.
- Collaborate with internal teams and external suppliers to meet manufacturing capabilities.
- Support scale-up and mass production of quasi-solid-state batteries.
- Communicate with OEM customers regarding RFQ and RFI processes.
Requirements
- 5 years of experience in silicon or Li metal chemistry related lithium-ion battery product development from an established cell supplier or automotive OEM silicon cell development experience is mandatory
- 2 years of management or leadership experience
- Experience in mass production of lithium batteries
- Experience leading and developing strong teams of scientists and engineers
- Good written and basic verbal communication skills in English
- Fully located on-site in South Korea, working closely with the US team requiring occasional late-night overlap
- Ability to take team feedback and incorporate it into designs, as well as give constructive feedback to others
Benefits & Perks
Full-time, on-site position in South Korea
Opportunity to work with leading global automotive and battery companies
Collaborative work environment with internal and external teams
Involvement in cutting-edge battery technology development and innovation
Potential for professional growth through leadership and management responsibilities
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