Staff Power Electronics Control Firmware Engineer

ChargePoint•Campbell, CA

3d•$170,000 - $210,000•Onsite

About The Position

ChargePoint is seeking a seasoned Power Electronics Controls and Firmware Engineer with over 5 years of experience in embedded power control firmware development. The ideal candidate should have expertise in Control Engineering and Power Electronics, specifically for next-generation fast-charging products. ChargePoint is at the center of the electric mobility revolution, powering one of the world’s leading EV charging networks and a comprehensive set of hardware, software and mobile solutions across North America and Europe. We foster a positive and productive work environment by committing to live our values of Be Courageous, Charge Together, Love our Customers, Operate with Openness, and Relentlessly Pursue Awesome. Join the team that is building the EV charging industry and make your mark on how people and goods will get everywhere they need to go, in any context, for generations to come.

Requirements

6-8 years of proven experience developing Power Electronics products
6+ years of programming experience in C/C++, Assembly for 32-bit controllers, DSPs, and Python for scripting and automation
Experience Implementing Control code for Power Converters (without using a code generation tool)
Firmware Development: Solid working experience in developing embedded firmware using programming languages such as C/C++ for real-time systems
Power Electronics Knowledge: Strong understanding of power electronics principles, including control techniques for inverters, rectifiers, and DC-DC converters [LLC, CLLC, DAB, etc.]
Experience working with Grid-tie inverter systems (Solar, BESS, EVSE, etc.)
Hands-on high-power lab working experience, and able to debug hardware issues related to firmware functions in the power converter
Microcontroller and Peripherals: Proficiency in programming microcontrollers, utilising various peripherals such as timers, PWM, interrupts, GPIOs, ADC, UART, I2C, SPI, CAN, and Ethernet
Experience with version control systems, such as Git, SVN, etc.
Bootloader Development: Expertise in developing secure and reliable bootloaders, including memory management, firmware partitioning, communication interfaces, flash memory programming, and verification/validation processes
HIL Experience: Experience in HIL testing, including testbed setup, real-time simulation, plant modelling, hardware interfaces, test scripting, fault injection, and test result analysis
Firmware Debugging: Proven skills in debugging complex firmware issues using tools such as oscilloscopes, logic analysers, and debuggers
Real-Time Operating Systems (RTOS) Experience: Experience in working with real-time operating systems
Knowledge of communication protocols commonly used in power electronics systems
Knowledge and Skills (PFC, Chargers, DC/DC, inverters, etc.)
Experience in developing control systems for Power inverters/Converters
Knowledge in control system design/modelling/simulation in PLECS, MATLAB, Simulink, or other similar tools

Nice To Haves

Experience in FPGA programming and Simulation techniques is preferable

Responsibilities

Develop and implement embedded controls for PFC, Chargers, DC/DC, inverters, etc.
Board bring-up experience, device driver development for CAN, I2C, SPI, etc.
Participating in developing specifications, design reviews, and executing unit tests
Proves design concepts through a combination of computer simulation and physical laboratory implementation/testing
Develops automated test cases for Hardware-In-Loop modelling/Testing (preferred)
Remains abreast of the latest technology in Digital control/Controllers
Writing lean code for real-time interrupt-driven applications
Proficient in understanding the schematics and debugging hardware issues
Understanding Safety regulatory requirements in power converters for use with fast chargers