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.

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.

You will be 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

7+ 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

$171,000 - $231,000 USD

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

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