Firmware Engineer, Energy Storage
Redwood MaterialsSan Francisco, California
Full Time
Posted December 16, 2025
$138k - $228k
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Application opens on company website
Job Description
Redwood Materials is seeking a Senior Firmware Engineer to design, develop, and integrate robust embedded firmware for power electronics and energy storage systems, collaborating closely with electrical and systems engineers in a fast-paced startup environment.
Key Responsibilities
- Design, develop, and integrate firmware for ARM Cortex-M microcontrollers in large-scale industrial applications
- Build a new embedded firmware platform focusing on robust network communication
- Design and implement frameworks for simulation, SIL, and HIL integration testing
- Deploy state estimation and power electronics control algorithms optimized for resource-constrained environments
- Collaborate with electrical and systems engineers to specify system behaviors and diagnostics
- Produce comprehensive software documentation
Requirements
- BS or MS in Electrical Engineering, Computer Engineering, or Computer Science
- 5 years of experience in firmware engineering, with a strong focus in power conversion, renewable energy systems, or similar
- Proven track record in shipping new products at scale
- Excellent proficiency in Rust or C and debugging embedded systems
- Experience with digital protocols such as SPI, CAN, and Ethernet as well as application layer protocols such as CoAP or MQTT
- Expert knowledge of microcontroller hardware peripherals and RTOS
- Experience with CI/CD test automation applied to software-enabled hardware products
- Ability to build a new embedded firmware platform from scratch with a focus on robust and performant network communication
- Design and implement frameworks to support simulation and SIL HIL integration testing
- Design and deploy state estimation and power electronics control algorithms optimized for a resource-constrained environment
- Collaborate closely with electrical and systems engineers to specify and implement system behaviors and diagnostics coverage
- Produce excellent software documentation
- Self-motivated and able to manage work in a startup environment, balancing multiple priorities and deadlines
- Excellent communication and interpersonal skills, with the ability to build relationships with all levels of the organization and present to internal and external executives
Benefits & Perks
Salary range: $137,500 - $227,500 USD
Full-time position
Compensation will be commensurate with experience
Ready to Apply?
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