Senior Firmware EngineerSoftware Engineering * Berkeley, CA On-site

About the Company

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.

Form Energy is hiring a Senior Firmware Engineer to be part of our growing Software Engineering organization. This organization is responsible for everything up and down our technology software stack, and is at the heart of making sure Form's battery achieves the best performance possible. This is an exciting opportunity to help shape, and be part of a fast moving company working on breakthrough technology, and an incredible mission.

In this role you will drive the development of a productized battery management and control system. As part of our firmware team, you will write the firmware to bring our multi‑Day storage battery system to life. 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.

• Develop microcontroller firmware for embedded systems, sensors, and power flow control circuitry for our Battery Management System (BMS).
• Derive software and hardware specifications and design features based on product requirements to meet UL 1998 and UL 5500 standards.
• Work with an interdisciplinary group of engineers on the Systems Team to define concepts, down‑select designs, and optimize the new groundbreaking technology.
• Support product deployment and field activities, including troubleshooting and debugging firmware in field environments to ensure performance and reliability.
• Contribute to the unit and integration testing suite, and coordinate with the system and test team, to allow continuous delivery of high‑quality firmware.
• Adhere to and raise the bar on the firmware engineering processes and best practices.
• Expected travel to Form Factory up to 20% of the time during your first year in the role.

• Bachelor's degree in electrical engineering, computer engineering, or a related discipline. Master's degree preferred.
• 4+ years of experience in firmware development for embedded and RTOS systems; direct experience working on firmware for battery management or power electronics is a plus.
• Extensive experience using C/C++ for embedded systems in real‑time, multithreaded control applications.
• Knowledge of peripheral communication protocols such as I2C and SPI, and component‑to‑component protocols like Modbus and CAN.
• Knowledge of electrical engineering concepts, including the ability to read and understand schematics and troubleshoot hardware interfaces.
• Familiarity with software compliance standards (e.g., MISRA, ISO 26262, CMMI, ASPICE, or UL 1998).
• Excellent written communication and collaboration skills.

Humanity is a cornerstone of…