Software Engineer, Site Controller Lead, Energy Storage

Redwood Materials is seeking a Software Engineer, Site Controller Lead for their Energy Storage team in San Francisco, CA. The role involves designing and developing system software for battery-based energy storage systems, focusing on containerized services, system diagnostics, and collaboration with engineering teams. Candidates should have a background in computer science or electrical engineering with experience in application software development, containerization technologies, and IoT systems.
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 2017, 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.









Software Engineer, Energy Storage 


Essential Duties:


You will be an early member of the Redwood Energy engineering team, taking a hands-on role in the design, development, and integration of second-life battery-based energy storage systems. This position focuses on developing robust and reliable system software for the Site Controller that serves as the central nervous system for the product. The role involves designing and implementing containerized services for networked device management, site level controls orchestration, time series data management, and system diagnostics.  


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: 



Design and implement a scalable and resilient system architecture for the Site Controller, leveraging containerization technologies like Docker and Kubernetes 
Architect and build a flexible control platform that seamlessly coordinates multiple hardware assets and integrates with optimization algorithms to enable intelligent energy arbitrage, grid services, and grid-scale renewable energy integration
Collaborate with backend and UI engineering teams to architect sophisticated customer and operations interfaces, designing robust IoT data management solutions that provide real-time visibility into system performance, energy flows, and operational metrics across distributed energy storage deployments
Create SIL and HIL test frameworks for integration testing of the product 
Collaborate with firmware engineers to ensure seamless integration between the site controller and distributed microcontrollers
Collaborate with modeling and systems engineers to implement control algorithms for the site 
Produce excellent software documentation 
Troubleshoot and resolve system issues in a timely manner 
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 Computer Science, Electrical Engineering, or a related field and 2+ years of experience developing application software for hardware systems 
Strong proficiency in Python, Rust or Go 
Experience profiling and optimizing code running on multi-core targets 
Familiarity with network protocols (TCP/IP, CoAP, MQTT, etc.) 
Experience with time series databases (e.g InfluxDB, Prometheus) and data visualization tools  
Familiarity with IoT and embedded systems 
Experience with Linux system administration and containerization technologies (Docker, Kubernetes) 
Experience implementing a firmware OTA pipeline from cloud through downstream controllers is a plus
Experience with machine learning, adaptive control, model predictive control or other optimization techniques is a plus 
Excellent problem-solving and debugging skills
Strong communication and collaboration skills

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:$214,000—$333,500 USDThe position is full-time. Compensation will be commensurate with experience.


 


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Job posting details for Software Engineer, Site Controller Lead, Energy Storage at Redwood Materials in San Francisco, California, United States. Compensation / salary range: $214,000—$333,500 USDThe position is full-time. ClimateTechList gathers 9,000+ job openings from over 509 climate tech companies and updates them daily.