Senior Staff Engineer, Embedded Firmware

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

Job summary

Enphase Energy, Inc. in Austin, Texas is looking for an experienced embedded software engineer to develop and launch cutting-edge solar and battery-based products. You will collaborate with hardware engineers, mentor junior staff, and ensure the architecture meets rigorous standards.

The ideal candidate has over 12 years of experience, proficiency in Python and C for real-time applications, and familiarity with development tools and systems.

Base pay range is $110,000 to $167,000 annually, plus bonus opportunities and benefits.

Qualifications

• 12+ years with B.E. or 8+ years with M.Tech in embedded software development.
• Proficient in Python for workflow automation.
• Solid experience with RTOS and bare-metal systems.

Responsibilities

• Develop embedded software for solar and battery-based products.
• Collaborate with engineers on firmware design and testing.
• Mentor junior engineers and handle product domains.

Skills

Embedded software development

Python scripting

C programming for real-time applications

Troubleshooting firmware issues

Documentation skills

Education

B.E./B. Tech or M.Tech in Electrical Engineering, Computer Engineering, or Computer Science

Tools

Atlassian cloud suite (Confluence, JIRA)

GCC

Eclipse

GNU Make

Job description

About the role

This position is part of the core Engineering R&D group, which focuses on launching Residential and Commercial/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 to deliver complete solutions for our consumers.

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, Computer Engineering, or Computer Science.
• B.E. with 12+ years or M.Tech with 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), Git 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 fault 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.