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 86 job openings. It is currently valued at $1.8 billion as a private company. The company was founded in 2019.
Jobs
Open jobs
86
Top Job Categories
Jobs
1.
Engineering (Software)
23
(27%)
2.
Engineering (Hardware)
17
(20%)
3.
Data & Analytics
4
(5%)
4.
Finance
3
(3%)
5.
Legal
3
(3%)
Top Job Locations
Jobs
1.
🇺🇸 United States
85
(99%)
2.
🇺🇸 Los Angeles
83
(97%)
3.
🇺🇸 Washington D.C.
2
(2%)
Top Tech/Tools Mentioned
Jobs
1.
Python
15
(17%)
2.
C++
9
(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 30, 2026
Data source: Caplight
Most recent funding
5 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 #33
2025
a16z American Dynamism 50
2025
LA Hard Tech 50
2025
Silicon Valley Defense Group NatSec 100 #84
2024
Layoffs
No known layoffs
