Mechanical Engineer Billerica, MA

Overview

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 powering a demonstration vehicle with a global OEM that achieved over 1,200 km (749 mi) of range, earning UN 38.3 certification for automotive-sized lithium-metal solid-state cells, and delivering B-samples of automotive-sized solid-state batteries to major OEMs.

The Opportunity:

Factorial Energy is seeking a Mechanical Engineer to join our team in our Billerica, MA location. This person will be responsible for Solstice Cell and Component Mechanical Design.

In this role, you will:

• Execute the assigned DOEs related to Mechanical design to meet KPI target
• Solstice clamping fixture design, SOP & alignment with Customers
• Quality check of Clamping fixture for re-using
• Problem solving related to Mechanical design
• Support Thickness uniformity test and Pressure distribution test
• Mechanical design (Cell & Component) improvement and drawing update
• Shipping package design and risk assessment

Required:

• BS or MS in Mechanical Engineering or Electro-Mechanical Engineering
• 1 – 3 years of experience in a mechanical design role to issue drawings in product development
• Skills and Experience with a 3D modeling software such as Solid Works, CATIA, Creo, etc.
• Experience utilizing machining equipment such as a vertical endmill, bandsaw, lathe, welding, 3D printer, etc.
• Good written and verbal communication skills in English

Preferred:

• Experience working with aluminum machining, hardware, welding techniques, and injection molding
• Experience utilizing measuring equipment such as load cell, LVDT and Tekscan or other pressure-related devices
• 1-3 years of experience working on lithium-based battery technology

• 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-110k USD

Work Location: 805 Middlesex Turnpike, Billerica, MA 01821

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 participate in the hiring process, please contact re