Radiant is seeking a Senior Electrical Engineer focused on PCB development, mixed-signal design, high-speed interfaces, power distribution, and signal integrity, supporting the data acquisition, signal conditioning, data sampling, and reactor control operations behind Kaleidos, our commercial microreactor targeted for customer deployment in 2028. Design boards that may include high-speed communication, sensor interfaces, data acquisition paths, and communication buses, focusing on build quality, signal integrity, power integrity, grounding, and EMI/EMC mitigation to operate seamlessly in a nuclear reactor.