Senior Account/Lead Account Manager - Defense & Government
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
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) which 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, the first to deliver B-samples of automotive-sized solid-state batteries to major OEMs.
The Opportunity
Factorial Energy is seeking an Account Manager / Senior Account Manager / Lead Account Manager - Defense & Government to join our team in Billerica, MA, but we are open to candidates based in San Francisco or Los Angeles, CA to work remotely. This person will be responsible for contributing to the defense and government sales pipeline from end to end, and carrying an individual revenue target within the segment.
In this role, you will
- Contribute to the defense and government sales pipeline end-to-end and carry an individual revenue target within the segment
- Sell through multiple routes to market: directly to the Department of War (DoW), as a Tier-2/3 supplier to defense primes and OEMs, and through platform and airframe integrators
- Build relationships with decision-makers and budget owners across defense primes, OEMs, DoW program offices (including those equipping unmanned/autonomous platforms and dismounted forces), service branches, DARPA, and government labs, with regular on-site customer presence at primes, program offices, and government facilities
- Negotiate teaming agreements and supply arrangements that position Factorial cells onto funded defense platforms and programs of record
- Develop and execute account plans for priority customers, with win strategies and quarterly bookings targets
- Lead capture and proposal efforts on target opportunities through award
- Forecast and report pipeline, bookings, and revenue against plan, and partner with program management on post-award handoff and follow-on growth
We are looking for people who
- Bachelor's degree preferred; equivalent military service or defense industry experience considered in lieu
- Sales or business development experience selling into defense and DoW customers, with an established network across the defense industry and DoW
- U.S. citizenship required; active security clearance (Secret or higher) a plus
- Familiarity with DoW acquisition pathways and the defense budgeting cycle
- Experience negotiating government and defense contracts
- Willingness to travel regularly to customer sites, program offices, and government facilities across the U.S.
- Excellent interpersonal and communication skills
- Fluent in English, both spoken and written
Some of our competitive benefits include
- Medical, dental, and vision insurance
- Generous paid time off
- 401(k) plan that includes employer matching funds
- Education assistance plan
- Life insurance and disability coverage
Salary Range: $90K-$120k Annual base+ Equity Incentives
Pay Range (MA)
$90,000 - $120,000 USD
Apply now
Job expired?Please let Factorial Energy know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
Apply now
Job expired?Please let Factorial Energy know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
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About the role
May 19, 2026
Full time
Company
- San Francisco, California, United States
- Los Angeles, United States
- Billerica, Massachusetts, United States
Sales or business development experience in defense industry
UTC-05:00 — UTC-08:00
