Radiant builds Kaleidos, a portable, factory-built nuclear microreactor that delivers a megawatt of clean power anywhere it is needed. Backed by a16z, Felicis and USV.
About the role
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. Found on 1752vc Careers, the job board for startup and VC roles.
What they're looking for
- Bachelor’s degree in Electrical Engineering or a related field
- 8+ years designing custom multilayer and mixed-signal PCBs
- Experience shipping hardware you designed, with ownership across most of the lifecycle, from requirements through layout, bring-up, and qualification for production or field use
- Demonstrated experience setting electrical architecture direction and driving decisions across complex, multi-disciplinary programs and with customers
- System-level perspective across design analysis, fabrication, and testing
- DSP experience applied to data acquisition and real-time signal processing
More about this role
Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving higher utility costs, rising carbon emissions, and interconnection backlogs. Radiant has a solution, transportable, on-site power. Our first reactor, Kaleidos, is 1 megawatt: small enough to be factory-built, transported by land, sea, or air, and deployed wherever power is needed. 1 MW can power 1000 homes for five years. Ship it back and we refuel for a 20 year operating life. We made energy a product that can be used for critical infrastructure like military bases, data centers, hospitals, and remote sites, as well as the commercial main street businesses that keep America running. Founded in 2020, Radiant is under contract to deliver power to the U.S. Army, Navy and Air Force and has signed pre-order agreements with Equinix, with deployments beginning in 2028.
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...
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