Production Supervisor
Factorial Energy
Company Overview
Factorial Energy
Woburn, Massachusetts, United States
2013
Approximately 150 employees (source: linkedin.com). Factorial has raised over $65 million and achieved a $1 billion valuation (source: batteryburnbook.com).
What They Do
Factorial Energy specializes in the development of solid-state batteries, which are pivotal for various applications including electric mobility, defense, AI/robotics, aviation, power tools, marine vehicles, consumer electronics, and energy storage systems. Their technology emphasizes high energy density, achieving 350-450 Wh/kg compared to the 200-300 Wh/kg typical of current electric vehicle (EV) cells. Additionally, Factorial's batteries are designed for enhanced safety, fast charging capabilities, and a wide operational temperature range from -30°C to 45°C (source: factorialenergy.com).
The core of their innovation lies in the Factorial Electrolyte System Technology (FEST®), which utilizes a quasi-solid polymer electrolyte combined with an ultrathin lithium-metal anode and a high-capacity cathode. This technology allows for approximately 80% compatibility with existing lithium-ion production lines, facilitating scalability and integration into current manufacturing processes (source: factorialenergy.com).
Complementary technologies such as Solstice™, a sulfide-based all-solid-state electrolyte, and Gammatron™, an AI-driven battery digital twin software, further enhance their offerings. Solstice™ boasts high thermal stability and zero liquid content, while Gammatron™ accelerates R&D in electrolyte development and battery management systems (source: enertherm-engineering.com).
Projects & Track Record
Factorial Energy has achieved significant milestones in battery development, including a series of prototypes that have progressively increased in capacity and complexity. Notable achievements include the validation of 0.6 Ah Li-metal chemistry in 2017, the introduction of a 40 Ah 30-layer graphite anode prototype in 2021, and the unveiling of a 106 Ah automotive B-sample cell at CES 2023. These advancements demonstrate Factorial's commitment to pushing the boundaries of solid-state battery technology (source: factorialenergy.com).
Recent Developments
In October 2023, Factorial Energy inaugurated its $50 million manufacturing facility in Methuen, Massachusetts, which is set to be the largest solid-state battery production line in the U.S. with a capacity of 200 MWh. This facility is expected to significantly enhance their production capabilities and support the scaling of automotive applications (source: waveep.com).
In 2024, the company shipped 106 Ah B-samples to various OEMs and unveiled their Solstice™ technology after a period of stealth development. Additionally, they have been recognized as a leading player in the deep tech sector, ranking #25 among the Top 100 Private Deep Tech Companies (source: factorialenergy.com).
Working There
Factorial Energy is actively hiring across various departments including R&D, manufacturing, sales, and engineering, particularly in response to their recent expansion efforts. The Methuen facility is expected to create over 150 jobs, contributing to the local economy while supporting the company's growth in solid-state battery production. The company culture emphasizes speed and innovation, with a focus on ethical governance and sustainability goals, including a commitment to carbon-neutral production by mid-2030 (source: factorialenergy.com).
Last updated on Feb 23, 2026 | Report an issue
Job Description
The Production Supervisor is responsible for managing daily battery manufacturing operations, supervising production personnel, and ensuring production targets, quality, and safety requirements are achieved. This role requires active management of multiple product builds running simultaneously and effective manpower allocation across production lines.
Key Responsibilities
- Supervise daily production operations and ensure production plans are executed on schedule
- Actively manage multiple product builds and changing production priorities simultaneously
- Allocate manpower efficiently based on production demand and operational priorities
- Monitor production performance, yield, and quality status
- Coordinate with Engineering, Quality, PMC, and Maintenance teams to resolve production issues
- Ensure compliance with safety procedures, SOPs, and company policies
- Prepare production reports and maintain operational records
- Support continuous improvement activities for productivity and process efficiency
Qualifications
- Bachelor's degree or above in Engineering, Manufacturing, or related field
- Experience in battery manufacturing or related manufacturing industry required
- Strong understanding of battery manufacturing processes and shop floor operations
- Good leadership, communication, and problem-solving skills
- Proficient in Microsoft Office, especially Excel
- Chinese or English proficiency preferred
- Experience managing manpower and fast-changing production schedules preferred
Apply now
Job expired?Please let Factorial Energy know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
Apply now
Job expired?Please let Factorial Energy know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
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About the role
June 5, 2026
Full time
Company
- Cheonan, South Korea
Experience in battery manufacturing or related manufacturing industry required
UTC+09:00
