Senior to Staff, Product DVT Test Engineer - BESS

Enphase Energy; Austin (TX); On-site; USD 90,000 - 150,000; Full time

Benefits offered by this job

Bonus

Equity

Benefits

Job summary

Enphase Energy is seeking a Senior Product DVT Engineer to verify and test inverter firmware, gateway, and cloud functions, ensuring compliance with worldwide safety and grid standards.

You will develop test strategies, implement automated systems in Python/Ruby, and collaborate with hardware/firmware teams to enable unit-level testing and CI pipelines.

Qualifications

• BS/MS in Electrical or Electronics Engineering or Computer Science.
• 5+ years in embedded firmware test/DVT/QA; 8+ years for staff.
• Strong Python for test automation and control of test equipment.
• Experience with Ethernet/I2C/SPI/UART and protocol analyzers.
• Experience with Linux/RTOS-based firmware design, testing, and deployment.

Responsibilities

• Develop test strategies and plans for inverter firmware, gateway, and cloud functions.
• Create automated test systems in Python and Ruby for CI.
• Validate firmware interfaces (Ethernet/TCP-IP, Modbus/TCP, I2C, SPI, UART) with analyzers.
• Collaborate with HW/firmware to ensure unit-level test readiness.
• Coach new staff on test equipment and automation software.
• Coordinate with QA/Development/Product Management on test plans.
• Use lab equipment to ensure comprehensive test coverage.

Skills

Embedded firmware testing

Python programming

Test automation

Linux/RTOS

Firmware testing

Protocols (Ethernet/I2C/SPI/UART)

Education

Electrical/Electronics Engineering

Computer Science

Tools

pyModbusTCP

Linux bindings for Python

Protocol analyzers

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 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.

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 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

This position sits within our Testing group, where you will work with a small team to develop fully functional prototypes that demonstrate new, advanced operation and control for autonomous grid connection, management, and regulation.

As a Senior Product DVT (Design Verification Test) Engineer, you will contribute to the verification and test of Enphase's inverter firmware, gateway, and cloud functions and communications — ensuring they meet engineering requirements, design specifications, and worldwide safety and grid standards.

What You Will Do

• Develop test strategies and plans to verify that Enphase's inverter firmware, gateway, and cloud functions and communications perform per engineering requirements and design specifications.
• Develop and execute test strategies to ensure safety and optimal functionality of Enphase's firmware to meet worldwide standards.
• Design and implement automated test systems in Python and Ruby, enabling continuous integration for the firmware development teams.
• Validate firmware communication interfaces and protocols (e.g., Ethernet/TCP-IP, Modbus/TCP, I2C, SPI, UART, SMBus, and power line carrier) using protocol and logic analyzers.
• Collaborate with hardware and firmware engineers to ensure firmware is designed for unit level test.
• Confer with Quality Assurance, Development, and Product Management on project planning, and ensure effective testing of Enphase's firmware within design constraints.
• Use test automation, power meters, oscilloscopes, DC supplies, and other lab test equipment to ensure complete functional, efficiency, and safety test coverage for Enphase's hardware and firmware.
• Coach and train new members of the technical staff on Enphase's test equipment, procedures, and automation software.

Who You Are And What You Bring

• BS/MS in Electrical Engineering, Electronics Engineering, and/or Computer Science.
• 5+ years of experience in a similar role as an embedded firmware test/DVT/QA engineer and 8+ years of experience for a staff role
• Strong Python programming for controlling test equipment, test framework development, and test automation, including Python bindings for Linux and communication packages (TCP/IP sockets, SMBus, pyModbusTCP, PiCloud, etc.).
• Functional validation experience with Ethernet/I2C/SPI/UART/power line carrier-based communication systems, and use of protocol and logic analyzers.
• Experience across the stages of embedded firmware (preferably Linux/RTOS-based) design, implementation, test, deployment, and maintenance.
• Experience with firmware integration and testing.
• Experience with 60V high-voltage DC and 277/480V three-phase AC voltages is a plus

What Will Make You Stand Out

• Basic knowledge of relevant worldwide standards such as IEEE 1547, 1741 SA, CA Rule 21, HECO SRD 1.1, AS/NZS 4777.2:2015, SAND2013-9875, UK G83/2, and Sandia standards.
• Knowledge of worldwide advanced grid functions and fault conditions.
• Familiarity with AC grid simulators and solar panel simulators.

Work Location

This role requires being on-site at our Austin, Texas office 5 days per week.

The base pay range for this position is $90,000 to $135,000 per year for Senior and upto $150,000 for Staff role. 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.