Overview
TrueUp
Trajectory Score
89
/100
Trajectory Rank
Business
Portable nuclear reactors
Founded
7 years ago
May 16, 2019
Valuation
$1.8 billion
Company type
Private - Venture-Backed
Tags
Radiant is a Portable nuclear reactors company with 80 job openings. It is currently valued at $1.8 billion as a private company. The company was founded in 2019.
Jobs
Open jobs
80
Top Job Categories
Jobs
1.
Engineering (Software)
19
(24%)
2.
Engineering (Hardware)
18
(23%)
3.
Data & Analytics
4
(5%)
4.
Finance
3
(4%)
5.
Legal
3
(4%)
Top Job Locations
Jobs
1.
🇺🇸 United States
77
(96%)
2.
🇺🇸 Los Angeles
75
(94%)
3.
🇺🇸 Washington D.C.
2
(3%)
Top Tech/Tools Mentioned
Jobs
1.
Python
15
(19%)
2.
C++
8
(10%)
3.
MATLAB
5
(6%)
4.
C#
4
(5%)
5.
Unix
4
(5%)
Financials
Valuation
$1.8billion
Tech Unicorn
Last round - Feb 2026
Latest secondary valuation
$2.3billion
28% from last round
Estimate as of Jun 16, 2026
Data source: Caplight
Most recent funding
4 months ago
Total funding
$519 million
Actual value 'created' (valuation - total funding)
+$1.3 billion
Lead Investor - Series A
Union Square VenturesCulture
Employee sentiment
Data not available
Rankings and awards
LA Hard Tech 50
2026
Silicon Valley Defense Group NatSec 100
2025
a16z American Dynamism 50
2025
LA Hard Tech 50
2025
Silicon Valley Defense Group NatSec 100
2024
More rankings Layoffs
No known layoffs
External research
