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Form Energy

Senior Plastics Design EngineerMechanical Design Engineering * Berkeley, CA * Fu

Form Energy, Berkeley, California, United States, 94709

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Are you ready to build America's energy future? Form Energy is an American manufacturing and energy technology company. We're revolutionizing energy storage with cost-effective, multi-day technology designed to keep the electric grid secure and reliable, even during extended periods of stress. By strengthening the electric system and reimagining what's possible, we're giving clean energy a whole new form!

In recent years, Form Energy has earned a number of accolades, including being named by TIME as a "Best Invention", MIT Technology Review as a "Top Climate Tech Company To Watch", and Fast Company as "One of the Next Big Things In Tech". We are making rapid progress on our mission of delivering energy storage for a better world, and our team is growing just as rapidly to meet demand. We have signed contracts with leading electric utilities across the United States and production of our iron‑air batteries is underway at our first high‑volume manufacturing facility in West Virginia.

Working for Form Energy is more than just a job, it's a chance to be part of something extraordinary. And now — right as we significantly scale up battery manufacturing — might be the most exciting moment in the company's history to join. We are assembling a team of highly talented and driven individuals across the country. Driven by our core values of humanity, excellence, and creativity, our team is determined to deliver on our mission and transform the energy landscape for the better.

Feeling energized to make a meaningful impact on the world? Then keep reading — you've come to the right place.

Role Description At Form Energy, the Plastics Engineering team develops robust, high‑performance components that meet the demanding requirements of long‑duration energy storage. We design for safety, reliability, manufacturability, and scalability—creating parts that perform consistently from prototype through high‑volume production.

We're seeking a hands‑on Senior Plastics Design Engineer to lead the design and development of plastic components for our next‑generation product. This role spans the entire lifecycle—from concept and material selection through design sign‑off and production launch. You'll work across multiple plastics manufacturing processes, including injection molding, blow molding, extrusion, rotational molding, and vacuum forming. Success in this role requires strong CAD proficiency (SolidWorks), a deep understanding of polymer material behavior, and solid grounding in DFM, GD&T, and tool design.

You'll participate in internal design reviews, define specifications and testing requirements, and collaborate closely with manufacturing teams, suppliers, and cross‑functional partners to ensure quality, cost, and performance goals are achieved. If you're passionate about designing purposeful, manufacturable components that help bring breakthrough energy technology to life, this is an opportunity to make a direct impact on a transformative energy platform.

What you'll do:

Serve as the Design Responsible Engineer (DRE) for plastic components, ensuring compliance with Form Energy's engineering standards and quality requirements

Collaborate with cross‑functional design teams to ensure seamless system integration and compatibility

Apply first‑principles engineering to guide design decisions and trade‑offs

Lead supplier engagement to transition designs from prototype through high‑volume production, ensuring manufacturability and consistency

Ensure accurate application of GD&T and perform tolerance analyses using RSS methods

Contribute to and continuously improve Form Energy's plastics design best practices while mentoring junior engineers

What you'll bring:

Bachelor's Degree in Mechanical Engineering or related field, with 5+ years of dedicated, hands‑on experience as a Plastics Engineer, with a proven track record of taking components from concept to high‑volume production

Strong foundation in first‑principles design and modeling, with demonstrated success optimizing for performance, cost, and manufacturability

Proficiency in CAD design; SolidWorks experience preferred

Hands‑on experience in manufacturing environments or with contract manufacturing partners

Proven ability to optimize mechanical and system‑level designs across complex, multidisciplinary architectures

Demonstrated success guiding products through the full lifecycle with adaptability, sound judgment, and practical, hands‑on problem‑solving

Compensation Range: $128.7K - $168K

If you may require reasonable accommodations to participate in our interview process, please contact accommodations@formenergy.com. Requests for accommodations will be treated with discretion. Form Energy is committed to maintaining the privacy of our applicants. Please be aware that we will

never

solicit sensitive personal information such as Social Security numbers or bank account details during the recruiting or hiring process.

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