Firmware Engineer, Energy Storage

About Redwood Materials

Redwood is localizing a global battery supply chain that seamlessly integrates recovery, reuse, and recycling — keeping critical minerals in circulation and driving the energy transition. Founded in 2019, we’re delivering low-cost and large-scale energy storage and producing battery materials in the U.S. for the first time, all from batteries we already have.

Senior Firmware Engineer, Energy Storage

Essential Duties:

You will be an early member of a new engineering team, taking a hands-on role in the design, development, and integration of a new product at Redwood. This position focuses on developing robust and reliable firmware from scratch for ARM Cortex-M class microcontrollers to function within large scale, distributed industrial applications. You will work on communication with and control of various off-the-shelf devices as well as control algorithms for power electronics.

The ideal candidate is highly self-driven, adaptable to a startup environment, and eager to take on novel technical challenges. If you're excited about working in a dynamic, fast-paced setting within a new department at Redwood, we want to hear from you! 

If necessary, the job level will be adjusted to suit the applicant’s experience and responsibilities. 

Responsibilities will include: 

• Help 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 with electrical and systems engineers closely to specify and implement system behaviors and diagnostics coverage

• Produce excellent software documentation

• Contribute to a collaborative, fast-paced startup culture, where every team member plays a crucial role in achieving company milestones

 Desired Qualifications: 

• BS or MS in Electrical/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

• Proficiency in Python preferred

• Good to have experience with reverse engineering CAN protocols and developing custom diagnostic tools for evaluating embedded systems

• Self-motivated, with the ability to manage your work in a startup environment, balancing multiple priorities and deadlines

• Excellent communication and interpersonal skills, with ability to build relationships with all levels of the organization and present to internal and external executives

Physical Requirements:

• Ability to perform the essential job functions consistent safely and successfully with the ADA, FMLA and other federal, state and local standards, including meeting qualitative and/or quantitative productivity standards

• Ability to maintain regular, punctual attendance consistent with the ADA, FMLA and other federal, state, and local standards

Working Conditions:

• Environment, such as office or outdoors

• Ability to work in challenging working conditions which may include exposure to noise, dust, chemicals, and temperature extremes, while protected by PPE, for extended periods of time

• Essential physical requirements, such as climbing, standing, stooping, or typing

• Occasional work weekends, nights, or be on-call as a regular part of the job

• Occasional travel requirements

In accordance with California pay transparency laws, the salary range for this position is listed below. Actual compensation may vary based on a variety of factors, including experience, education, and skills.

California Pay Range:
$137,500—$227,500 USD

The position is full-time. Compensation will be commensurate with experience.

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