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# Firmware Engineer

- **Company:** Lunar Energy
- **Location:** San Francisco, CA, United States
- **Experience:** Expert
- **Salary:** $140,000.0 - $190,000.0
- **Contract:** Permanent contract
- **Skills:** Booting (BIOS), Code Review, Continuous Integration, Software Debugging, File Systems, Firmware, Real-Time Operating Systems, Software Engineering, Systems Architecture, System Testing, Git, Bare Metal, Build Tools
- **Published:** June 12, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=680f182bffc36e0f

## About the Role

Do you have experience in Tooling?, * 5+ years of experience developing and architecting software, with exposure to the full lifecycle from prototype to production.

 * Experience developing C in bare-metal systems and/or RTOS.
 * Experience implementing power electronics firmware control functionality.
 * Ability to integrate hardware and software to develop end-to-end solutions.
 * Comfortable working in a small, fast-moving team where individual initiative and contributions have a big impact.
 * Able to contribute in a multi-disciplinary team following modern software engineering practices (e.g. Git, continuous integration).

## Description

* Write code across the full embedded stack - from bootloader to high-level application firmware. Develop platform firmware to support components like flash file systems, communication stacks, and build tool management.
 * Work in a RTOS environment, including porting and maintenance of the RTOS.
 * Build component firmware that integrates with other parts of the Lunar system.
 * Drive design discussions on system architecture to achieve the desired product functionality.
 * Collaborate with the team on design and development, including participating in code reviews.
 * Support system test, reliability, and manufacturing teams with special firmware features and debugging.
 * Review performance data from the Lunar system gathered at internal and external test sites.


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