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 Senior Electrical Engineer, HIL to lead the design, build, and maintenance of Radiant’s electrical test infrastructure for Kaleidos, our commercial microreactor targeted for deployment in 2028. You will own test infrastructure development, including Hardware-in-the-Loop (HIL) systems and other electrical test platforms, and drive integration and validation across critical systems. Found on 1752vc Careers, the job board for startup and VC roles.
What they're looking for
- BS in Electrical Engineering or a related field
- 5+ years of hands-on experience in electrical engineering, including hardware design, integration, and test
- 3+ years developing hardware-in-the-loop (HIL) systems, including signal conditioning, DAQ/IO interfaces, and fixtures for validating embedded controls
- Demonstrated experience owning and building electrical test infrastructure
- Proficiency with DAQ and test platforms such as dSpace, NI PXI, Speedgoat, or similar
- Hands-on experience with data acquisition, test execution, and validation frameworks
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 Senior Electrical Engineer, HIL to lead the design, build, and maintenance of Radiant’s electrical test infrastructure for Kaleidos, our commercial microreactor targeted for deployment in 2028. You will...
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