Senior Staff Engineer, Embedded Firmware

Enphase Energy; Austin (TX); On-site; USD 110,000 - 167,000; Full time

Job summary

Enphase Energy in Austin, TX is seeking an experienced embedded software/firmware engineer to design and launch storage-focused systems at scale, collaborating with hardware and cross-functional teams to deliver robust firmware.

The role emphasizes real-time C and Python automation, RTOS experience, and taking designs from concept to production with production-scale launches and field learnings.

Qualifications

• B.E./B.Tech or M.Tech in Electrical/Computer Engineering or Computer Science.
• 12+ years (B.E.) or 8+ years (M.Tech) of embedded software/firmware experience in a non-academic role.
• Proficiency in Python to automate software development workflows.
• C programming for real-time applications.
• Experience with bare metal and RTOS; strong debugging skills.

Responsibilities

• Develop board level and system/product level embedded software for solar and battery-based products.
• Collaborate with hardware and system engineers to define firmware architecture and design documentation.
• Work with cross-functional teams to test and troubleshoot prototype designs with SDVT engineers.
• MentorJunior Engineers and contribute across residential and commercial product domains.

Skills

Python scripting

C programming

RTOS

Embedded software

Firmware debugging

Education

B.E./B.Tech or M.Tech Electrical/Computer Engineering/CS

Tools

GCC

GDB

Eclipse

GNU Make

Atlassian suite (Confluence, JIRA)

GitHub

Job description

Description

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 produce, use, store, 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

This position is part of the core Engineering R&D group, which focuses on launching Commercial and Industrial storage products. Our team is responsible for designing, prototyping, and launching Storage Systems at scale - cutting edge solutions that integrate Enphase's core technologies like IQ series microinverters, home energy ecosystem of EV chargers, combiners, and more that are best in the market to deliver complete solutions for our consumers. We’re looking for a motivated individual who thrives in a fast-paced environment and can collaborate closely with the team to develop and deliver innovative solutions.

What You Will Do

• Develop board level and system/product level embedded software for solar and battery-based products.
• Work with hardware and system engineers to conceptualize and document the firmware design architecture for implementation.
• Work with cross function teams like SDVT (system design validation testing) engineers to test and troubleshoot prototype designs.
• Mentor Junior Engineers and be able to work on residential and commercial product domains seamlessly

Who You Are And What You Bring

• B.E/ B. Tech or M.Tech Electrical Engineering or Computer Engineering or Computer Science.
• B.E and 12+ years and M.Tech 8+ years' experience in a similar (non-academic) role as an embedded software or firmware engineer.
• Proficiency scripting language Python to automate software development workflows.
• Expertise in C for real-time applications.
• Solid experience with bare metal and real-time operating systems (RTOS).
• Being curious and ability to troubleshoot firmware related issues within complex systems. Relentless pursuit of problem-solving skills.
• Ability to test code and hardware both with and without external test equipment such as oscilloscopes, power meters, etc.
• Familiarity with software development processes, Atlassian cloud suite (Confluence, JIRA), GitHub configuration management.
• Familiarity with development tools such as GCC, GDB, Eclipse, GNU Make, etc.
• Familiarity with developing drivers for sensors and closed-loop control algorithms.
• Ability to carry a design task from concept to implementation and verify.
• Ability to document engineering requirements (like JAMA, Polarion, DOORs), document solutions, and test new firmware designs.
• Experience with launching products on production scale to see through customer or field issues for learnings.
• Familiarity with ARM Cortex-M4/7, STM32 or similar microcontroller architectures is a plus.
• Zephyr RTOS experience is a plus.
• Familiarity with bootloader design and implementation is a plus.
• Familiarity with AC grid simulators and DC to AC inverters is a plus.
• Familiarity with developing controls for cooling systems like fans, chillers, pumps etc is a plus.
• Familiarity and experience with Battery Management System (BMS) is a plus.
• Knowledge in worldwide (UL and IEC standards) electrical advanced grid functions and faults conditions is a plus.

The base pay range for this position is $110,000 to $167,000 per year. This salary range may be modified in the future. The successful candidate’s starting pay will be determined based on job-related skills, experience, education or training, work location, and market conditions. This position is also eligible for bonus, equity, and benefits.