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Software Engineer, Site Controller Lead, Energy Storage

Redwood Materials
San Francisco, California
Full Time
Posted December 16, 2025
$214k - $334k
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Job Description

A Software Engineer at Redwood Materials will design, develop, and integrate software for second-life battery energy storage systems, focusing on system architecture, device management, data handling, and system diagnostics to support renewable energy integration and grid services.

Key Responsibilities

  • Design, develop, and integrate software for second-life battery-based energy storage systems, focusing on the Site Controller.
  • Architect and build scalable, resilient system architecture using containerization technologies like Docker and Kubernetes.
  • Develop control platforms that coordinate hardware assets and integrate with optimization algorithms for energy management.
  • Collaborate with backend and UI teams to create real-time data management solutions and operational interfaces.
  • Create SIL and HIL test frameworks for system integration testing.
  • Work with firmware engineers to ensure seamless integration between the site controller and distributed microcontrollers.
  • Implement control algorithms in collaboration with modeling and systems engineers.
  • Troubleshoot and resolve system issues promptly and produce comprehensive software documentation.

Requirements

  • Bachelor's degree (BS or MS) in Computer Science, Electrical Engineering, or a related field.
  • At least 2 years of experience developing application software for hardware systems.
  • Strong proficiency in Python, Rust, or Go programming languages.
  • Experience profiling and optimizing code running on multi-core targets.
  • Familiarity with network protocols TCP/IP, CoAP, MQTT, etc.
  • Experience with time series databases such as InfluxDB or Prometheus and data visualization tools.
  • Familiarity with IoT and embedded systems.
  • Experience with Linux system administration and containerization technologies Docker and Kubernetes.
  • Experience designing and implementing scalable and resilient system architecture for the Site Controller using containerization technologies like Docker and Kubernetes.
  • Experience architecting control platforms that coordinate multiple hardware assets and integrate with optimization algorithms for energy arbitrage, grid services, and renewable energy integration.
  • Ability to collaborate with backend and UI engineering teams to design customer and operations interfaces.
  • Experience creating SIL and HIL test frameworks for integration testing of products.
  • Experience collaborating with firmware engineers to ensure seamless integration between the site controller and distributed microcontrollers.
  • Experience working with modeling and systems engineers to implement control algorithms for the site.
  • Ability to produce excellent software documentation.
  • Ability to troubleshoot and resolve system issues in a timely manner.
  • Physical ability to perform essential job functions safely and successfully, including climbing, standing, stooping, or typing.
  • Ability to work in challenging conditions which may include exposure to noise, dust, chemicals, and temperature extremes, while protected by PPE.
  • Willingness to work occasional weekends, nights, or be on-call as a regular part of the job.
  • Willingness to undertake occasional travel as required.

Benefits & Perks

Compensation/salary range: $214,000 - $333,500 USD
Full-time position
Work in a startup environment with a collaborative culture
Occasional work on weekends, nights, or on-call basis
Occasional travel requirements

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