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Software Engineer for Energy Storage Solutions

Redwood Materials

Full-time|$150K/yr - $237.5K/yr|On-site|San Francisco, California, United States

About Us at Redwood MaterialsAt Redwood Materials, we are revolutionizing the global battery supply chain by integrating recovery, reuse, and recycling. Founded in 2017, we are committed to keeping critical minerals in circulation and driving the energy transition. Our mission is to provide low-cost, large-scale energy storage solutions while producing batte…

Mar 18, 2026

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Firmware Engineer, Energy Storage

Redwood Materials

Full-time|$137.5K/yr - $227.5K/yr|On-site|San Francisco, California, United States

About Redwood MaterialsAt Redwood Materials, we are pioneering a sustainable battery supply chain that integrates recovery, reuse, and recycling to keep essential minerals in circulation and promote the energy transition. Established in 2017, we are focused on delivering affordable, large-scale energy storage and producing battery materials domestically in the U.S., leveraging existing batteries.Senior Firmware Engineer, Energy StorageKey Responsibilities:Join an innovative engineering team at Redwood and play a vital role in designing, developing, and integrating cutting-edge products. This position emphasizes creating robust firmware from the ground up for ARM Cortex-M class microcontrollers, specifically for large-scale, distributed industrial applications. You will be responsible for communication with and control of various off-the-shelf devices, as well as developing control algorithms for power electronics.The ideal candidate is proactive, adaptable to a fast-paced startup environment, and enthusiastic about tackling new technical challenges. If you are excited to contribute to a dynamic team at Redwood, we would love to connect with you!The job level may be adjusted to match the applicant’s experience and responsibilities.

Mar 12, 2026

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Reliability Engineer - Energy Storage

Redwood Materials

Full-time|On-site|San Francisco, California, United States

We are seeking a talented and motivated Reliability Engineer to join our innovative team at Redwood Materials. In this role, you will be responsible for ensuring the reliability and performance of our cutting-edge energy storage systems. You will collaborate with cross-functional teams to develop and implement reliability engineering strategies that enhance product performance and longevity.

Mar 25, 2026

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Service Engineer, Energy Storage

Redwood Materials

Full-time|$150K/yr - $207K/yr|On-site|San Francisco, California, United States

About Redwood MaterialsAt Redwood Materials, we are revolutionizing the battery supply chain by focusing on recovery, reuse, and recycling. Our mission is to keep essential minerals circulating and facilitate the energy transition. Since our founding in 2017, we have been at the forefront of delivering cost-effective, large-scale energy storage solutions and producing battery materials domestically—utilizing the batteries we already possess.Service Engineer, Energy StoragePosition Summary:Redwood Materials is on the lookout for a dedicated Service Engineer to become an integral part of our newly established engineering team focused on the Battery Energy Storage System (BESS) product line. In this role, you will play a crucial part in diagnosing and resolving intricate technical challenges associated with our deployed BESS. You will support the Operations and Maintenance (O&M) team by conducting routine monitoring, preventive maintenance, and first-line troubleshooting. As part of the Service Engineering team, you will act as the technical escalation resource for O&M, responsible for in-depth diagnostics, system-level failure analysis, and implementing engineering-driven corrective measures.The Service Engineer ensures the safe, reliable, and optimal performance of our assets by acting as a liaison between field operations and engineering. You will translate operational challenges into engineering solutions and provide valuable feedback from the field to enhance product and system design. This position also offers the potential for leadership growth as the team expands.The ideal candidate is self-motivated, adaptable to a dynamic startup environment, and ready to tackle both technical and leadership challenges.

Mar 18, 2026

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Field Quality Engineer - Energy Storage

Redwood Materials, Inc.

Full-time|On-site|San Francisco, California, United States

Join our innovative team at Redwood Materials as a Field Quality Engineer specializing in energy storage solutions. In this pivotal role, you will be responsible for ensuring the highest quality standards in our energy storage products. Your expertise will help drive quality improvements and enhance customer satisfaction.As a Field Quality Engineer, you will work closely with our operations and engineering teams, conducting quality assessments, analyzing data, and providing actionable insights to ensure product excellence. This position offers an exciting opportunity to contribute to the advancement of sustainable energy technologies.

Mar 26, 2026

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Functional Safety Engineer in Energy Storage

Redwood Materials

Full-time|$153K/yr - $248.5K/yr|On-site|San Francisco, California, United States

Redwood Materials recovers, reuses, and recycles battery materials to keep critical minerals in circulation and support the energy transition. Since 2017, the company has focused on developing large-scale, cost-effective energy storage solutions and manufacturing battery materials domestically, often using resources from existing batteries. Role overview This Functional Safety Engineer position focuses on advancing a sustainable circular economy for lithium-ion batteries. The role centers on ensuring that energy storage systems (ESS) meet functional safety standards and on supporting the secure deployment of new ESS technologies. What you will do Lead compliance efforts for ESS functional safety, with particular attention to standards such as UL 1998 (Software in Programmable Components), UL 991 (Tests for Safety-Related Controls Employing Solid-State Devices), and UL 5500 (Remote Software Updates). Support certification activities and help align product development with functional safety requirements. Location San Francisco, California, United States

Apr 22, 2026

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Engineering Test Technician - Energy Storage

Redwood Materials

Full-time|On-site|San Francisco, California, United States

Join Redwood Materials as an Engineering Test Technician specializing in energy storage solutions. In this pivotal role, you will be at the forefront of testing and validating cutting-edge technologies that contribute to sustainable energy practices. You will work collaboratively with engineers and technicians to ensure the reliability and performance of our innovative energy storage systems.

Mar 26, 2026

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Senior Software Engineer for Innovative Energy Solutions

Redwood Materials

Full-time|$180K/yr - $237.5K/yr|On-site|San Francisco, California, United States

About Redwood MaterialsRedwood Materials is at the forefront of transforming the global battery supply chain by optimizing the recovery, reuse, and recycling of battery materials. Since our inception in 2017, we have pioneered large-scale energy storage solutions and are producing battery materials domestically for the first time, all sourced from existing batteries.Senior Software Engineer, Energy PlatformJoin our dynamic team focused on developing a cutting-edge software platform that drives intelligent control and market engagement for Battery Energy Storage Systems (BESS). Our work encompasses a comprehensive tech stack, including compute infrastructure, telemetry, asset modeling, alerting, feature ingestion, storage for forecasting and optimization, simulation, operational control orchestration, and integration with energy markets. We pride ourselves on our lean structure and our commitment to delivering high-quality, rapid software solutions. Our culture emphasizes collaboration, trust, continuous learning, and engineering excellence, making it a truly enjoyable environment to innovate and create.Key Responsibilities:Contribute to BESS data engineering by developing and maintaining telemetry pipelines and storage systems for effective forecasting and optimization.Design, build, and manage simulation and training infrastructures for large-scale simulation execution.Create and operate real-time forecasting and optimization workflows that streamline BESS operations.Facilitate energy market integration, including data ingestion and bid management processes.Collaborate across the full tech stack and team boundaries to ensure cohesive product functionality.Develop high-quality, well-tested software and continuously enhance it through iterative improvements.Utilize AI tools to expedite development while ensuring superior system design and code quality.

Mar 18, 2026

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Mechanical Design Engineer - Energy Storage Solutions

Redwood Materials

Full-time|On-site|San Francisco, California, United States

Join Redwood Materials, a pioneer in energy storage solutions, as a Mechanical Design Engineer. In this role, you will leverage your engineering expertise to design, develop, and optimize innovative mechanical systems that enhance energy storage technologies. Collaborate with a dynamic team of professionals in a fast-paced environment to drive the future of sustainable energy.

Mar 26, 2026

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Software Technical Program Manager - Energy Storage

Redwood Materials

Full-time|$153K/yr - $248.5K/yr|On-site|San Francisco, California, United States

About Redwood MaterialsRedwood Materials is pioneering the localization of a global battery supply chain, integrating recovery, reuse, and recycling to keep critical minerals in circulation and facilitate the energy transition. Established in 2017, we are committed to providing low-cost, large-scale energy storage solutions and producing battery materials in the U.S. for the first time, utilizing batteries that are already in existence.Position Overview: Software Technical Program Manager - Energy StorageRedwood Materials is actively seeking a Technical Program Manager to become an integral part of our innovative engineering team focused on our Battery Energy Storage System product line. In this role, you will oversee the development of software, embedded firmware, and systems controls, ensuring the successful execution of projects from inception through completion.

Mar 12, 2026

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Senior Power Electronics Controls Engineer, Energy Storage

Redwood Materials

Full-time|$153K/yr - $248.5K/yr|On-site|San Francisco, California, United States

About Redwood MaterialsRedwood is pioneering a localized battery supply chain that integrates recovery, reuse, and recycling—ensuring critical minerals remain in circulation and facilitating the energy transition. Established in 2017, we are at the forefront of delivering affordable, large-scale energy storage while producing battery materials in the U.S. for the first time, utilizing batteries we already possess. The Redwood Vision: Modernizing the GridEnvision being at the forefront of a significant industrial transformation. Just as the electric vehicle revolution redefined automobiles as software-driven entities, Redwood Materials is revolutionizing the global energy grid. We go beyond merely managing batteries; we are constructing the "nervous system" for a sustainable energy economy.Our R&D team in San Francisco is spearheading the shift from outdated, hardware-centric infrastructures to agile, software-driven ecosystems. We are demonstrating that a sustainable, 100% renewable grid is not just a goal—it’s a technical reality fueled by advanced control intelligence. We seek the "architects of the electron" to help us phase out fossil-fuel peaker plants.Position: Senior Power Electronics Controls EngineerIn this role, you will spearhead the design and implementation of the intelligent control systems for our cutting-edge Battery Energy Storage Systems (BESS) and mixed-asset energy sites. You will oversee the entire lifecycle of our control systems—from initial conceptualization and advanced modeling to assessing real-world grid impacts. Your contributions will ensure that both recycled and new battery assets work in unison to stabilize the grid and maximize high-power conversion at an industrial scale.

Mar 17, 2026

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Power Electronics Engineer for Energy Storage Solutions

Redwood Materials

Full-time|$145.5K/yr - $196.5K/yr|On-site|San Francisco, California, United States

About Redwood MaterialsAt Redwood, we are pioneering a sustainable battery supply chain that integrates recovery, reuse, and recycling, effectively keeping critical minerals in circulation and accelerating the energy transition. Established in 2017, we are committed to delivering low-cost, large-scale energy storage solutions and producing battery materials in the U.S. for the first time, all sourced from existing batteries. Power Electronics Engineer, Energy Storage Key Responsibilities:As an integral member of our product design team, you will engage in the detailed design, prototyping, and high-volume production launch of cutting-edge power converters that are efficient, cost-effective, and highly manufacturable.With expertise in high voltage (up to ~1,000 – 2,000VDC and 480VAC) and high power (~10 – 200kW) power converters, you will quantitatively assess and select topologies, control algorithms, semiconductors, and magnetics while adhering to engineering constraints such as efficiency, cost, reliability, and simplicity. Your understanding of both hard- and soft-switched topologies will be essential.

Mar 12, 2026

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Codes and Standards Lead for Energy Storage Solutions

Redwood Materials, Inc.

Full-time|$127.5K/yr - $248.5K/yr|On-site|San Francisco, California, United States

About Redwood MaterialsRedwood is on a mission to localize the global battery supply chain by seamlessly integrating recovery, reuse, and recycling, ensuring that critical minerals remain in circulation while advancing the energy transition. Established in 2017, we are pioneering low-cost, large-scale energy storage solutions and producing battery materials domestically for the first time, utilizing recycled batteries.Position: Codes and Standards Lead, Energy StorageWe are seeking a Codes and Standards Lead to represent Redwood within the regulatory and standards landscape that impacts energy storage systems. This pivotal role will be responsible for influencing how emerging technologies are regulated, permitted, and deployed, while fostering safe, scalable innovation in a dynamic industry. This senior-level technical position demands strong thought leadership at the convergence of engineering, compliance, policy, and industry advocacy. Key Responsibilities Include:Develop and advocate for industry codes and standards that facilitate regulatory compliance.Collaborate with cross-functional teams to ensure alignment on compliance issues.Engage with regulatory bodies and industry associations to represent Redwood's interests.

Mar 19, 2026

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Embedded Software Engineer - Labs

DoorDash

Full-time|$159.8K/yr - $235K/yr|On-site|San Francisco, CA

Join DoorDash Labs, the innovation center driving automation and robotics for last-mile logistics. As a Senior/Staff Embedded Software Engineer, you'll spearhead the development of ARM-based microcontroller platforms for our cutting-edge robotics products. This role is essential for crafting the low-level firmware that powers our systems, focusing on motion control, sensor integration, communication, power management, and safety-critical functionalities. Expect to engage in hands-on board bring-up and low-level debugging while collaborating closely with electrical and systems engineers to create robust solutions that enhance efficiency for Dashers, merchants, and consumers.

Feb 5, 2026

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Lead Modeling and Architecture Engineer, Energy Storage

Redwood Materials

Full-time|$127.5K/yr - $248.5K/yr|On-site|San Francisco, California, United States

About Redwood MaterialsRedwood Materials is pioneering a sustainable battery supply chain that integrates recovery, reuse, and recycling—enabling the circulation of critical minerals and facilitating the energy transition. Established in 2017, we are proud to offer low-cost, large-scale energy storage solutions and produce battery materials within the U.S. for the first time, utilizing batteries that are already in circulation.Modeling and Architecture Engineer, Energy StorageAs the technical lead of the Energy Storage Modeling and Architecture team, you will play a critical role in the design, development, and integration of Redwood Energy’s innovative second-life battery product. You will serve as the subject matter expert in creating a multiphysics and technoeconomic modeling platform that informs the system design of this cutting-edge battery energy storage solution. These models must be robust enough to accurately size future projects while remaining agile enough to facilitate a wide range of design decisions.Additionally, you will be tasked with operationalizing these insights into an algorithm that optimally manages the use of each battery pack on our premises, maximizing the value extracted before recycling. This model will dictate operational parameters, including state of charge (SOC) windows and charge/discharge powers, along with decisions regarding when to replace a pack and what to use as a replacement.The ideal candidate will be self-motivated, adaptable to a startup culture, and enthusiastic about tackling novel technical challenges. You should possess experience in leading modeling teams within the battery energy storage or electric vehicle sectors while being a first-principles thinker capable of initiating new modeling projects independently.

Mar 12, 2026

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Senior Staff Software Engineer, Storage

Crusoe

Full-time|$240K/yr - $310K/yr|On-site|San Francisco, CA - US

At Crusoe, we are dedicated to accelerating the abundance of energy and intelligence. As a pioneering AI infrastructure company, we control every aspect of our operations — from energy generation to the digital tokens that power the world’s most ambitious AI workloads. Joining Crusoe means being part of a team that is shaping the future at an unprecedented pace.We are amid a transformative industrial revolution. The endless demand for AI computing power poses significant challenges, particularly concerning energy supply. Our energy-first strategy not only enhances AI infrastructure but also contributes positively to the environment, empowering innovators in the AI sector.We seek proactive, problem-solving team members who recognize the scale of our mission and are eager to navigate uncharted territories. If you aspire to advance your career alongside experts in energy, manufacturing, data center construction, and cloud services, we invite you to become part of our dynamic team.If you are ready to engage in the most impactful work of your career, assist our customers and partners in elevating their AI strategies, and contribute to a high-performing, supportive team, we welcome you to build the future with us at Crusoe.About This RoleThe Cloud Storage team at Crusoe is searching for a Senior Staff Software Engineer to act as the principal architect for our storage strategy. Unlike a Staff Engineer who leads feature development, a Senior Staff Engineer will define the long-term technical roadmap essential for our AI-scale infrastructure. You will play a crucial role in establishing the architectural strategy, ensuring the integrity and global scalability of our specialized storage services. Your work will focus on the underlying physics of the stack, bridging high-performance NVMe hardware with globally distributed object storage solutions that compete with S3.Your ResponsibilitiesArchitectural Vision & Strategy: Lead the development and execution of the long-term technical strategy for Crusoe's storage engine, while identifying and integrating industry trends such as CXL and NVMe-oF into a unified roadmap.System Programming Expertise: Utilize your extensive experience in system programming with languages such as C, C++, Go, and Rust to lay the groundwork for our V2 storage re-architecture.Storage Protocols: Design and implement solutions employing industry-standard storage protocols, including NFS, SMB, iSCSI, and NVMe/TCP.

Apr 8, 2026

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Embedded Software Engineer - Network Software

Astranis

Full-time|$130K/yr - $175K/yr|On-site|San Francisco

Astranis is at the forefront of satellite technology, creating cutting-edge satellites for high orbits that extend humanity's reach into the solar system. Our satellites are dedicated to providing secure networks for sophisticated clients worldwide, including large corporations, government entities, and the US military. With five satellites already in orbit and a robust pipeline of upcoming launches, we are addressing a commercial contract backlog exceeding $1 billion.Astranis stands out as the preferred satellite communication partner for clients with critical needs for uptime, data security, network visibility, and tailored solutions. We have successfully raised over $750 million from top-tier investors like Andreessen Horowitz, Blackrock, and Fidelity, and we proudly employ a talented team of 450 engineers and innovators at our expansive 153,000 sq. ft. headquarters in Northern California, USA.Embedded Software Engineer - Network SoftwareAs an Embedded Software Engineer on the Network Software team at Astranis, you will play a pivotal role in designing, developing, and implementing the flight software that commands and monitors our spacecraft. You will also have the opportunity to mentor junior engineers and collaborate cross-functionally to ensure the compatibility of the software with various hardware platforms.This position supports both commercial and US Government projects.RoleDevelop software for the Flight Computer and Earth Stations Hub for our satellites.Create firmware for control boards on the satellites and Earth Stations Hub.Enhance software reliability through requirements generation, continuous integration, automated testing, and code reviews.Collaborate with multiple teams including Payload, Communications Ground Control, and Telemetry.Utilize C++ to interface with the Flight computer and engage with custom hardware on the vehicle.Deliver complex projects through an incremental development approach.Requirements2-4+ years of experience in software development using modern C++ or C.Familiarity with software development methodologies and design patterns.Experience with communication protocols such as TCP/IP, I2C, and SPI.Strong communication and writing skills.A passion for space technology.Experience in building high availability and high reliability systems.

Mar 17, 2026

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Lead Engineer for Manufacturing Test Infrastructure in Energy Storage

Redwood Materials

Full-time|$173.5K/yr - $234.5K/yr|On-site|San Francisco, California, United States

About Redwood MaterialsRedwood is revolutionizing the global battery supply chain through the integration of recovery, reuse, and recycling—ensuring vital minerals remain in circulation while propelling the energy transition. Established in 2017, we are pioneering the production of low-cost, large-scale energy storage solutions and manufacturing battery materials in the U.S. from existing batteries.Position Overview: Manufacturing Test Infrastructure Lead EngineerAs a foundational member of our new engineering team, you will be instrumental in designing testing systems that will support the development of groundbreaking products at Redwood Materials. Your role will encompass aspects of mechanical, electrical, and software engineering to ensure thorough product validation. You will design testing systems applicable in both manufacturing and field environments to screen our innovative products. This role demands a hands-on, proactive mindset combined with a methodical and analytical approach to problem-solving.Key Responsibilities:Lead the comprehensive development of functional and end-of-line testers for electromechanical products....

Mar 16, 2026

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Software Engineer, Compute - Storage

OpenAI

Full-time|On-site|San Francisco

About Our TeamAt OpenAI, our Storage Infrastructure team is at the forefront of enabling data accessibility, placement, and lifecycle management through advanced APIs. We prioritize scalability, reliability, security, and usability to meet the demands of our pioneering AI research.Role OverviewWe are seeking a talented Software Engineer to join our Storage Infrastructure team, where you will architect and maintain Exascale systems designed to efficiently and reliably manage research data across multiple regions.The ideal candidate will have extensive experience in distributed systems, particularly in developing exascale data management solutions or distributed filesystems.Your ResponsibilitiesDesign and develop software solutions to manage exascale data, ensuring accessibility for researchers.Enhance the reliability, predictability, and cost efficiency of our storage systems.Collaborate with researchers to understand and address diverse data use cases.Implement robust security measures to protect our critical datasets.Ideal Candidate ProfileStrong foundation in distributed systems principles with a proven ability to design and implement scalable, reliable, and secure storage architectures.Proficiency in programming languages relevant to storage systems development.Experience with cloud platforms, particularly Azure.Familiarity with AI/ML data access patterns.A proactive approach and adaptability in a fast-paced, dynamic environment.About OpenAIOpenAI is a cutting-edge AI research and deployment organization committed to ensuring that general-purpose artificial intelligence benefits all of humanity. We strive to push the boundaries of AI capabilities while ensuring safety and human-centric development. Our mission is to encompass and appreciate diverse perspectives, voices, and experiences that reflect the full spectrum of humanity.We are proud to be an equal opportunity employer, committed to fostering an inclusive workplace where all individuals are respected and valued.

Dec 10, 2024

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Systems Engineer in Energy Storage at Redwood Materials | San Francisco

Redwood Materials

Full-time|$127.5K/yr - $248.5K/yr|On-site|San Francisco, California, United States

About Redwood MaterialsRedwood is pioneering the localization of a global battery supply chain that integrates recovery, reuse, and recycling, ensuring critical minerals remain in circulation and propelling the energy transition forward. Founded in 2017, we are committed to delivering cost-effective and large-scale energy storage solutions and producing battery materials in the U.S. for the first time, utilizing batteries already in circulation.Join us as a Systems Engineer, Energy Storage!As an early member of our new engineering team, you will play a pivotal role in the design, development, and integration of innovative products at Redwood. You will spearhead our system engineering initiatives, fostering collaboration among our mechanical, electrical, and software engineering teams to deliver a cohesive and effective system. Your responsibilities will include defining clear requirements, evaluating and selecting system architectures, and guiding critical decisions across the engineering organization. If you are a proponent of model-driven design and can adapt engineering frameworks to suit a dynamic and fast-paced environment, we want to hear from you!The ideal candidate is highly self-motivated, adaptable to the startup culture, and eager to tackle unique technical challenges. If you thrive in a vibrant, fast-moving setting and are excited about being part of a new team at Redwood, we encourage you to apply!If necessary, the job level will be adjusted to align with the applicant’s experience and responsibilities.

Mar 12, 2026

Field Quality Engineer - Energy Storage

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