Principal Electrical Engineer, Electronics

Radiant is seeking a Principal or Staff Electrical Engineer to define and lead the electrical architecture for Kaleidos, our commercial microreactor targeted for customer deployment in 2028. The work spans end-to-end PCB development, mixed-signal design, high-speed interfaces, power distribution, and signal integrity for the data acquisition, signal conditioning, and real-time processing that reactor control depends on. You will lead custom hardware, set design standards, drive architecture decisions, and own high-reliability, low-noise board development from requirements through layout, bring-up, validation, and field deployment.