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 Technical Program Manager, IT & Security, to own visibility and delivery across our IT and security portfolio: eight concurrent programs across three states, including a reactor program at Idaho National Laboratory, a fuel facility and manufacturing plant in Tennessee, warehouse and office buildouts in Los Angeles, a site decommissioning, and a CMMC and NIST SP 800-171 compliance program spanning all of it.
What they're looking for
- 6+ years in technical program or project management, including infrastructure and security programs
- Delivered IT infrastructure into new construction or facility buildouts: manufacturing, industrial, healthcare, or multi-site commercial
- Hands-on Atlassian administration-built Jira projects, workflows, dashboards, and Confluence spaces that teams actually adopted, not just filed tickets in someone else's instance
- Can hold their own in an architecture review, reads and produces network diagrams, understands infrastructure and security concepts, asks the right questions of engineers without needing translation
- Keep IT scope sequenced with construction alongside the facilities PM and general contractor so structured cabling, MDF/IDF, low voltage, access control, cameras, wireless, and carrier circuits are planned into GC milestones
- Regulated environment experience (nuclear, defense, aerospace, life sciences, or similar) including work under compliance frameworks
More about this role
Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5 years without refueling. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor at the Idaho National Laboratory this summer, with initial customer deliveries beginning in 2028.
Radiant is seeking a Technical Program Manager, IT & Security, to own visibility and delivery across our IT and security portfolio: eight concurrent programs across three states, including a reactor program at Idaho National Laboratory, a fuel facility and manufacturing plant in Tennessee, warehouse and office buildouts in Los Angeles, a site...
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