Embedded Software Engineer, Linux - Hybrid (Denver, CO; San Francisco, CA)

About ErthSearch

ErthSearch is a recruitment agency specializing in placing top talent at ClimateTech startups and scaleups in the US. 

We believe the need for the right people is core to building a successful venture, and failure is not an option in the climate fight. 

The challenge: recruitment fees are often prohibitive. We are here to change that. Our cost model is transparent and affordable, so you can get the best talent on the market without it costing you an arm and a leg. 

Reach out if you want a genuine hiring partner – not another mercenary.

About Our Client

ErthSearch is working with Pila Energy, a seed-stage startup dedicated to making reliable power accessible through plug-and-play home battery systems. They are modernizing the grid by distributing intelligence and energy storage across homes and small businesses, providing energy resilience to renters and homeowners alike. Their high-impact team brings deep experience from industry leaders like Tesla, Apple, and SPAN to build intuitive hardware and software solutions.

The Role

Pila Energy is looking for an exceptional Embedded Software Engineer, Linux to architect, build, and scale firmware for a distributed nanogrid. You will own features end-to-end, from low-level drivers and real-time controls to mesh networking and secure OTA updates. Collaborating with cross-functional teammates, you will design, prototype, and scale reliable software for real devices in real homes.

Qualifications & Skills

Required

• 3–7 years of experience building production embedded systems for energy, consumer devices, EVs, or IoT.
• Mastery of C/C++ for embedded targets and strong proficiency with RTOS platforms such as FreeRTOS or Zephyr.
• Proven experience with board bring-up using JTAG/SWD and a solid grasp of device communications like CAN, SPI, I²C, and UART.
• Familiarity with Linux on embedded platforms and a test-driven mindset involving unit tests, HIL, and CI/CD.

Nice to Have

• Experience with Zephyr RTOS, ESP-IDF, Yocto, or using Rust for embedded and Linux services.
• Familiarity with the energy/power domain, including battery BMS, power electronics control, or DER/VPP protocols.
• Exposure to functional safety practices (IEC 60730/61508) and embedded security like secure boot and firmware signing.
• Experience with Matter/CHIP or OpenThread certification flows.

Benefits

• Competitive salary and equity compensation
• Medical, dental, and vision health insurance
• 401(k) retirement savings
• Opportunities for learning, ownership, and career growth
• Flexible work arrangements in San Francisco or Denver

Note 

[visa situation] This role requires US-Working Rights - the company is unable to sponsor visa transfers. 

Application

If you are interested in this role and believe you are a good fit (ie: have strong exp developing embedded software for devices that were produced at scale) apply today. 

If you have any problems applying, you can reach out to Silas@erthsearch.com with your updated resume and reason for interest.