Mechanical Engineer I, R&D at Formenergy in Somerville, MA

  • Company: Formenergy
  • Location: Somerville, MA
  • Job type: full time
  • Workplace: onsite
  • Posted: 2026-10-15

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Job description

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 Form Energy is hiring a Mechanical Engineer I to join our Core Technology Hardware team, where you will design the hardware that lets us evaluate and refine our iron-air battery technology. As a Mechanical Engineer I, you will play a critical role in turning electrode and battery concepts into physical test vehicles, from standard platforms to custom builds for novel experiments. You will take designs from CAD through fabrication and assembly, and then put working hardware in the hands of the scientists and engineers who use it to accelerate discovery and development. Your work will help us build and validate a complex, novel product that supports a more reliable electric grid. This is an exciting opportunity to help shape and be part of the growth of a fast-moving company with breakthrough technology and an incredible mission! Relocation assistance is available. What you'll do: Design standard and custom test vehicles, balancing performance, manufacturability, and speed to test Fabricate prototypes and proofs of concept, iterating quickly based on build and test feedback Work with technicians to streamline builds and improve the reliability and repeatability of assembly Partner with scientists and engineers to design tools and fixtures that expand our discovery and development capabilities Produce CAD models and engineering drawings that technicians, machinists, and vendors can build from, and release them through our documentation process Manage multiple projects at once and adjust as priorities shift Follow lab and shop safety practices and design hardware for safe operation What you'll bring: Bachelor’s degree in Mechanical Engineering or a related field 0-2 years of experience in mechanical design, through industry roles, internships, co-ops, or research and project work Proficiency in 3D CAD and 2D drafting using SolidWorks or a similar tool, including familiarity with GD&T fundamentals Hands-on aptitude for prototyping, with experience in fabrication methods such as machining, 3D printing, or sheet metal Ability to write clear technical documentation, including work instructions that others can follow Strong communication and collaboration skills, with comfort working alongside scientists, engineers, and technicians Intellectual curiosity, a pragmatic approach to problem-solving, and a willingness to learn quickly Comfort with compl

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