Manager Senior Manager, Cell Product Development

Factorial Energy

Location not specified

Full Time

Posted November 18, 2025

Energy Storage

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Job Description

A managerial role focused on leading the development and optimization of next-generation solid-state battery cells, overseeing design, validation, manufacturing processes, and collaboration with internal and external teams to advance energy storage technologies.

Key Responsibilities

Lead the design and development of next-generation battery cells.
Manage multiple cell design teams and oversee their project execution.
Define the cell bill of materials, create cell drawings, and ensure design requirements are met.
Guide product development through concept, design, and validation phases including CV, DV, and PV.
Conduct root cause analysis and implement mitigation plans for design and manufacturing issues.
Lead design for manufacturing (DFM) and failure mode effects analysis (FMEA) processes.
Innovate in lithium secondary battery design, validation, and process improvement.
Develop and optimize large cell fabrication processes for scale-up and mass production.
Provide engineering support to resolve production and quality issues.
Lead cost reduction and value engineering initiatives.
Collaborate with internal teams and external suppliers to meet manufacturing capabilities.
Communicate with OEM customers and prepare RFQ/RFI documentation.

Requirements

5 years of experience in silicon chemistry related lithium-ion battery product development from an established cell supplier or automotive OEM
The silicon cell development experience is mandatory
2 years of management experience
Experience in mass production of lithium batteries
Good written and basic verbal communication skills in English
Ability to be fully located on-site in Korea, working closely with the US team, requiring late night or early midnight work

Benefits & Perks

Work fully on-site in Korea with occasional late-night hours

Collaborative work environment with direct communication with internal and external teams

Opportunity to work with leading automotive OEMs and global partners

Involvement in cutting-edge battery technology development and innovation

Potential for professional growth through management and technical leadership roles

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