Senior Engineer, Embedded Test - EVSE

Enphase Energy is a global energy technology company and leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, Enphase transformed the solar industry with our revolutionary microinverter technology, which turns sunlight into a safe, reliable, resilient, and scalable source of energy to power our lives. Today, the Enphase Energy System helps people make, use, save, and sell their own power. Enphase is also one of the fastest growing and innovative clean energy companies in the world, with approximately 68 million products installed across more than 145 countries.

We are building teams that are designing, developing, and manufacturing next-generation energy technologies and our work environment is fast-paced, fun and full of exciting new projects.

If you are passionate about advancing a more sustainable future, this is the perfect time to join Enphase!

About the role

This position is within our EVSE Engineering group, where you will work in a small team to test the firmware for the new Enphase IQ EVSE product line, a series of smart EV Charging products which will integrate with energy generation, energy storage and energy management products to enable a whole new facet of the Clean Energy revolution. You will be working in a multi-site team and expected to interface across multiple functions.

What you will do

Test embedded RTOS/Linux firmware for smart EV Charger functions

Work with the marketing, hardware, and systems teams to specify the test requirements and behavior of new products

Design and implement test automation for testing the EV Charger

Quickly learn about and adapt existing test methods code and architectures to customize tests

Carry testing tasks from requirements to implementation for the final production

Work with cross functional teams to test and troubleshoot issues

Self-motivated individual with the ability to work under minimal supervision

Who you are and what you bring

BE/B.Tech/M.S/M.Tech in Electronics / Computer Science / Electrical Engineering

Minimum 7 to 12 years of hands-on experience in firmware testing and debugging in ARM based microcontrollers

Good understanding of python programming, data structures,design patterns, in Linux and microcontroller internals

Familiarity with EVSE, OCPP and ISO 15118 standards

Good written and verbal communication skills

Ability to test automate from requirement definition and design trade-off analysis

Experience designing custom communication protocols and data models

Understanding of diagnostics, logging, and event-driven systems

Ability to test code and hardware both with and without external test equipment such as oscilloscopes, power meters, etc.

Experience in WiFi, Ethernet and Cell Modem test cases is needed

Plan for test cases and understand the traceability matrix

Report the critical issues and health of the product in a timely fashion

Ability to document engineering requirements, document solutions, and test new firmware designs.

Familiarity with functional safety analysis and strong electrical engineering fundamentals

Exposure to metering algorithms and understanding of AC power flow.

Experience in IoT Gateways and cloud communication (OCPP knowledge a bonus)

STM32 Cortex-M family development experience

Knowledge of relevant worldwide standards and regulations for EVSE equipment – UL 2594, UL 2231, UL 1998, SAE J1772, OCPP, CCS, ISO 15118