Firmware Engineer Staff to Principal
Enphase Energy2 months ago
Base Salary
$110k - $183k/yr
Responsibilities
- Design and ship real-time embedded firmware in C and C++.
- Develop board- and system-level firmware across multi-processor and multicore platforms using bare-metal development and Zephyr RTOS.
- Integrate real-time control loops with application and control processors.
- Define hardware/software boundaries and lead system bring-up with hardware and power electronics teams.
- Drive end-to-end validation through unit tests, hardware-in-the-loop testing, and prototype testing.
- Collaborate across design verification testing, factory test, and field quality activities.
- At senior levels, own platform architecture, lead technical reviews, mentor engineers, and support hiring.
Requirements
- Staff-level candidates require a BS and 8+ years, an MS and 6+ years, or a PhD and 3+ years of design experience.
- Expert-level C and Modern C++ experience for real-time embedded applications.
- Experience with bare-metal and Zephyr RTOS firmware development.
- Experience developing functional safety firmware.
- Knowledge of ARM Cortex-M/R microcontroller architectures and peripherals including ADC, PWM, UART, I2C, SPI, and CAN.
- Experience ranging from low-level driver development through application development, including hardware bring-up, schematic reading, and datasheet interpretation.
- Experience implementing closed-loop control algorithms on embedded targets.
- Experience debugging and testing systems with oscilloscopes, protocol analyzers, and hardware-in-the-loop setups.
- Python scripting experience for test automation and tooling.
- A track record of shipping products from concept through manufacturing and field support.
- Preferred experience includes Docker, GCC, GDB, VS Code, GNU Make, CMake, CI/CD pipelines, Bitbucket Pipelines, GitHub Actions, Embedded Linux, Yocto, BSP, device trees, ARM Cortex-A processors, bootloader design, secure boot, OTA updates, RS485, CAN FD, UWB, Ethernet, Modbus RTU/TCP, power conversion, energy storage, grid-connected equipment, BMS, and UL/IEC power-electronics standards.
- Familiarity with UL1998, IEC60730, IEC61850, and Zephyr RTOS is preferred.
Benefits
- Base pay is $110,000 to $183,000 per year.
- Eligible for bonus, equity, and benefits.
- Work location is Austin, Texas.
About Enphase Energy
Enphase Energy builds microinverter-based solar hardware, home energy storage batteries, EV chargers, and monitoring software for residential and small‑commercial customers, sold primarily through installers and distributors. Founded in 2006 and headquartered in Fremont, California, the company is publicly traded on NASDAQ (ENPH). Its Enphase Energy System lets users make, use, save, and sell power, and the firm reports more than 80 million products shipped across 160 countries.