Overview
TrueUp
Trajectory Score
89
/100
Trajectory Rank
Business
Portable nuclear reactors
Founded
7 years ago
May 16, 2019
Employees
280
Valuation
$1.8 billion
Company type
Private - Venture-Backed
Tags
Radiant is a Portable nuclear reactors company with 65 job openings. It is currently valued at $1.8 billion as a private company. 280 people work at Radiant. The company was founded in 2019.
Jobs
Open jobs
65
Top Job Categories
Jobs
1.
Engineering (Software)
19
(29%)
2.
Engineering (Hardware)
14
(22%)
3.
Business Operations & Program Management
4
(6%)
4.
Data & Analytics
4
(6%)
5.
Legal
3
(5%)
Top Job Locations
Jobs
1.
🇺🇸 United States
63
(97%)
2.
🇺🇸 Los Angeles
61
(94%)
3.
🇺🇸 Washington D.C.
2
(3%)
Top Tech/Tools Mentioned
Jobs
1.
Python
11
(17%)
2.
C++
7
(11%)
3.
MATLAB
5
(8%)
4.
Power BI
3
(5%)
5.
Tableau
3
(5%)
Financials
Valuation
$1.8billion
Tech Unicorn
Last round - Feb 2026
Latest secondary valuation
$1.9billion
6% from last round
Estimate as of May 5, 2026
Data source: Notice.co
Most recent funding
4 months ago
Total funding
$519 million
Value 'created' (valuation - total funding)
+$1.3 billion
Lead Investor - Series A
Union Square VenturesValuation per employee
$6.4 million
Culture
Employee sentiment
Data not available
People
Employees
280
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
