Senior Firmware Engineer

Company: Gridware
Location: San Francisco
Posted on: February 18, 2026

Job Description:

Job Description Job Description About Gridware Gridware is a San Francisco-based technology company dedicated to protecting and enhancing the electrical grid. We pioneered a groundbreaking new class of grid management called active grid response (AGR), focused on monitoring the electrical, physical, and environmental aspects of the grid that affect reliability and safety. Gridware’s advanced Active Grid Response platform uses high-precision sensors to detect potential issues early, enabling proactive maintenance and fault mitigation. This comprehensive approach helps improve safety, reduce outages, and ensure the grid operates efficiently. The company is backed by climate-tech and Silicon Valley investors. For more information, please visit www.Gridware.io. Role Description Our goal is to stop grid-ignited wildfires. To do that, our devices need to run robust, well-tested, and power efficient firmware. We are looking for you to help us develop that firmware. You will solve challenges related to power consumption, communications, and signal processing, enabling our devices to detect increasingly subtle faults in increasingly remote regions. Responsibilities Develop C/C++ firmware for our microcontroller platform Implement drivers for microcontroller peripherals and external sensors Work with our backend codebase to develop and test device communications Maintain and extend our build system to support various embedded hardware platforms Develop efficient data processing and collection algorithms in a resource-constrained environment Develop unit tests, write and execute test plans Required Skills Strong C and/or C++ knowledge Python or another scripting language Comfortable using Git Comfortable in a Linux development environment Comfortable working across multiple domains (hardware, firmware, software) 3 years embedded software engineering experience (Embedded Linux, RTOS’s, bare metal, etc) Experience developing and debugging hardware Bonus Skills Strong understanding of operating system and real-time operating system concepts Assembly language (extra bonus points for ARM) Basic web programming knowledge (backend) Comfortable debugging with an oscilloscope and/or logic analyzer Professional experience deploying firmware Experience with LoRa, SigFox, or other Low Power Wide Area Networks (LPWANS) Experience with digital signal processing (DSP) Previous experience in rapidly scaling startups Previous experience working with CMs/ODMs on medium to high-volume products This describes the ideal candidate; many of us have picked up this expertise along the way. Even if you meet only part of this list, we encourage you to apply! Benefits Health, Dental & Vision (Gold and Platinum with some providers plans fully covered) Paid parental leave Alternating day off (every other Monday) “Off the Grid”, a two week per year paid break for all employees. Commuter allowance Company-paid training

Keywords: Gridware, San Jose , Senior Firmware Engineer, Engineering , San Francisco, California