Senior Plastics Design Engineer

Overview

Design and develop plastic components from concept to high‑volume production for energy storage.

Key Responsibilities

• system integration
• supplier engagement
• design best practices
• gd&t
• tolerance analysis
• design review

Tasks

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. -Collaborate with cross-functional design teams to ensure seamless system integration and compatibility -Lead supplier engagement to transition designs from prototype through high-volume production, ensuring manufacturability and consistency -Contribute to and continuously improve Form Energy’s plastics design best practices while mentoring junior engineers -Apply first-principles engineering to guide design decisions and trade-offs -Ensure accurate application of GD&T and perform tolerance analyses using RSS methods -Serve as the Design Responsible Engineer (DRE) for plastic components, ensuring compliance with Form Energy’s engineering standards and quality requirements

Requirements

• solidworks
• mechanical engineering
• plastics design
• manufacturing experience
• dfm
• gd&t

What You Bring

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. -Hands-on experience in manufacturing environments or with contract manufacturing partners -Demonstrated success guiding products through the full lifecycle with adaptability, sound judgment, and practical, hands-on problem-solving -Proficiency in CAD design; SolidWorks experience preferred -Proven ability to optimize mechanical and system-level designs across complex, multidisciplinary architectures -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

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Benefits

When it comes to you and your family’s health, we cover 100% of medical, dental, and vision premiums for full-time employees - and 80% of healthcare premiums for dependents. This starts from day one. We also offer at least 12 weeks of paid leave for new parents (up to 20 weeks for birthing parents), and generous vacation policies to give employees time to recharge when needed. Humanity is a cornerstone of Form Energy’s culture, and we make sure our compensation and benefits reflect that. Form Energy offers competitive salaries, stock options, and a holistic benefits package to ensure all employees have what they need to thrive while working here. Compensation Range: $128.7K - $168K

About Form Energy

-Focused on transforming energy storage and use for a sustainable future. -Developing ultra-low-cost, long-duration energy storage solutions. -Innovative iron-air battery technology stores renewable energy for days, providing reliable backup for solar and wind power. -Energy storage technology poised to revolutionize grid storage, enhancing resilience and flexibility. -Aims to reduce reliance on fossil fuels through scalable and affordable solutions. -Collaborating with energy providers and grid operators for large-scale deployment. -Working on integrating energy storage into existing grids to optimize renewable energy use and improve stability.

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