Embedded Engineer

Enphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, our innovative microinverter technology revolutionized solar power, making it a safer, more reliable, and scalable energy source. Today, the Enphase Energy System enables users to make, use, save, and sell their own power. Enphase is also one of the most successful and innovative clean energy companies in the world, with more than 80 million products shipped across 160 countries.

Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!

About the role

We are seeking a highly skilled Embedded Firmware Engineer to join our dynamic team in Austin, Texas. This role involves developing embedded firmware for our advanced balcony solar energy systems. The ideal candidate will have expertise in embedded firmware development, real-time operating systems, secure IoT communications, encryption technologies, and regulatory compliance.

What you will do

• Design, develop, and maintain embedded firmware for power electronic systems with integrated IoT capabilities.
• Develop optimized firmware solutions for Wi-Fi and BLE connectivity.
• Perform board bring-up and validate hardware-firmware interactions.
• Implement provisioning and commissioning processes via mobile applications using Bluetooth Low Energy (BLE).
• Establish secure cloud connectivity using MQTT, certificates, authentication, and encryption.
• Ensure firmware compliance with security standards, including secure boot and encryption protocols.
• Debug, troubleshoot, and optimize firmware in embedded RTOS environments, specifically Zephyr and FreeRTOS.
• Develop bare metal firmware compliant with NEC regulatory requirements.
• Provide mentorship to junior team members, promoting best practices in firmware engineering.

Who you are and What you bring

• Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related technical field.
• Minimum of 2+ years of professional embedded firmware development experience.
• Proficiency with embedded RTOS frameworks (Zephyr, FreeRTOS).
• Experience with secure IoT communications, particularly MQTT, including certificate management and encryption standards.
• Expertise in Wi-Fi and BLE firmware development.
• Strong knowledge of secure boot, firmware encryption, and other embedded security practices.
• Familiarity with ARM Cortex-M microcontrollers, preferably STM32 series.
• Experience interfacing firmware with ASICs or similar custom hardware solutions.
• Excellent problem-solving, debugging, and analytical skills.
• Ability to work collaboratively in an agile development environment.

Preferred Skills

• Understanding of Distributed Energy Resource (DER) device operation.
• Experience with solar energy or power electronics systems.
• Familiarity with plug-and-play consumer electronics solutions.
• Experience developing firmware within Docker environments and familiarity with CI/CD tools like Jenkins and artifact management tools such as JFrog.
• Knowledge of regulatory standards and compliance requirements for IoT and electrical systems.

This is a hybrid role based in Austin, TX. The candidate is expected to work onsite as needed to collaborate with cross-functional teams and engage in hands-on development and testing.