Senior Power Electronics and Control Firmware Engineer

This role entails ownership of firmware implementation, validation, and ongoing fleet improvements. The candidate will show outstanding technical and organizational skills and be passionate about bringing sustainable energy to the world.

Key Responsibilities

• Develop control algorithms for switch mode power electronics.
• Drive power electronics, communications, and battery design architecture with a firmware focus.
• Develop, enhance and debug new and existing real-time firmware in C. Deliver high-quality code in a real-time embedded environment.
• Drive firmware development for performance, scalability, robustness, and tight integration with the hardware.
• Design safety rated firmware to meet UL1998 or related standards.
• Hands-on hardware bring up, build and execute component validation to deliver robust, functional code.

Qualifications

• BS in Engineering, Computer Science, Mathematics, Physics or proof of exceptional skills in related fields with practical firmware engineering experience.
• At least 5 years of relevant firmware engineering experience
• Experience with switch mode power electronics including inverters, DC-DC converters, power management, power conversion and control
• Capable of delivering top quality C code in a real time embedded environment.
• Excellent software fundamentals including architectural design, algorithm development, data structures, code modularity, and maintainability.
• Multithreaded and RTOS experience. Experience with communication interfaces on embedded systems such as RS-485, CAN, SPI, I2C is desired.
• Experience with test driven development experience using unit testing, software in the loop, or hardware in the loop methodologies. Our developers participate significantly in firmware testing, so a validation mindset is required.
• Familiar with software testing libraries including Unity and CMock.
• Familiar with electrical test tools like scopes, meters, and power supplies.
• Desired to have experience developing time critical code using ADC, PWM for power controls and battery management
• Desired to have experience in the development of embedded software compliant to formal safety certification processes such as UL1998 or similar
• Desired to have Python or Rust experience for supporting tools and data analysis
• Remain engaged, proactive and positive when taking on challenging tasks, owning assignments and taking accountability for personal and overall team success.
• Ability to collaborate and communicate complex technical concepts.