Factorial Energy

EHS Manager

Join Factorial Energy in Cheonan as an EHS Manager leading safety and environmental compliance. Drive risk management and training in a pioneering solid-state battery company. Benefit from a global team and impactful work in energy storage innovation.
Factorial Energy
Factorial Energy
Cheonan, South Korea On-site Full time UTC+09:00

Factorial Energy

Company Overview

Name

Factorial Energy

Headquarters

Woburn, Massachusetts, United States

Founded

2013

Size

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

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) that 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, and the first to deliver B-samples of automotive-sized solid-state batteries to major OEMs.

The Opportunity

Factorial Energy is seeking an EHS Manager to join our team in Cheonan, South Korea. This person will be responsible for leading the Environment, Health & Safety organization and driving a company-wide culture of safety, environmental stewardship, and regulatory compliance. The ideal candidate will possess strong EHS expertise, effective leadership and communication skills, and the ability to translate regulatory requirements into practical programs that protect people and support operational goals.

In this role, you will

  • Lead and manage the Environment, Health & Safety (EHS) organization and team
  • Establish and operate a compliance framework for the Occupational Safety and Health Act, Chemicals Control Act, and other environmental and safety regulations
  • Establish the safety and health management system, conduct risk assessments, and lead improvement activities
  • Manage environmental and safety risks related to the handling and storage of chemical substances
  • Manage environmental permits and emission facilities, and respond to related regulatory requirements
  • Establish and operate industrial accident prevention activities and emergency response systems
  • Respond to internal audits and external inspections (government agencies, certification bodies, etc.) related to safety and environment
  • Plan and conduct safety and health training programs for employees
  • Supervise contractor safety management and manage related communication
  • Report EHS performance to management and develop improvement strategies

We are looking for people who

  • Have proven experience in both safety management and environmental management
  • 10+ years of related experience, including experience as a team lead/manager
  • Holder of a safety- or environment-related certification (e.g., Industrial Safety Engineer, Air/Water Environment Engineer, Hazardous Materials Industrial Engineer, etc.)
  • In-depth understanding of the Occupational Safety and Health Act and other relevant regulations
  • Strong problem-solving, leadership, and communication skills
  • Experience in battery manufacturing or chemical-handling manufacturing industries
  • Practical experience with the Chemicals Control Act, Hazardous Materials Safety Management Act, and related regulations
  • Experience with government affairs related to environment and safety (local government, fire department, Ministry of Environment, etc.)
  • Experience building/operating a safety and health management system (ISO 45001) or environmental management system (ISO 14001)
  • Able to communicate in English

Work Location: Cheonan, South Korea

Factorial Energy is an equal opportunity employer that values diversity at all levels. All qualified applicants, regardless of personal characteristics, are encouraged to apply.

To request a reasonable accommodation to complete an application, job interview, and/or to otherwise participate in the hiring process, please contact ([email protected])

Apply now

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About the role

August 18, 2026

August 19, 2026

Full time

On-site

Company

Energy Storage

Factorial Energy

factorialenergy.com

  •  Cheonan, South Korea

10+ years of related experience

UTC+09:00