Overview
Connections
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

Funding and backers

Total raised
$1.2B
1 round on record
Latest round
$1.2B
Series B · Aug 2026 · 2 mo ago
Team
61
US Form 5500 (plan participants) · Dec 2025
Hiring now
95
+33 posted in 30 days
Backers
4
AlleyCorp, Crosscut Ventures
The money's age
Fresh money
2 months since the last round · and hiring
Momentum
44/100
hiring for its size, a new city, fresh money
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Aug 10 Raised a round Series B $1.2B 2023 Founded
Tractionpublic signals, read monthly
Web presence
top 2%
of 133.2M domains by links, Common Crawl
Hacker News stories
2
best: 5 points
Funding rounds
RoundDateAmountInvestorsSource
Series B Aug 2026 $1.2B — labusinessjournal.com
Similar startupsby what they do, their industry and backers
Radiant NuclearFounded 2020 · 201-500 employees · 93 roles
Radiant Nuclear, legally Radiant Industries, is a nuclear energy startup based in El Segundo, California, that designs portable…
Atomic Canyon builds AI for nuclear energy. Neutron, our AI workbench powered by FERMI, brings nuclear-grade search and purpose-built tools…
Aalo AtomicsVenture round $100M · 14 mo ago · Founded 2023 · 51-200 employees · 71 roles
Aalo Atomics is a nuclear energy company headquartered in Austin, Texas, that designs and factory-builds sodium-cooled microreactor power…
Alva Energy is a US nuclear energy company that uses a standardized power uprate approach to add new capacity to commercial nuclear…
Transmutex51-200 employees · 1 role
Transmutex redefines nuclear energy by turning waste into clean power and producing life-saving radioisotopes for medical and industrial…
Blue EnergyVenture round $177.5M · 6 mo ago · Founded 2023 · 201-500 employees · 14 roles
Factory-built nuclear plants delivered in 3 years at $5k/kW. Blue Energy makes nuclear power financeable and repeatable on a global scale.

How Valar Atomics hires

Truth index
B 81/100
Median time to fill
48 days
Ghost roles
0%
Stale roles
77%
Reposted roles
0%

Valar Atomics scores B on the Alion truth index (A is best, E worst), measured over 13 open roles re-checked against its own hiring board: 0% look like ghost listings, 77% have gone stale and 0% are the same role posted again. Its roles close in a median of 48 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed

Overview

Founded in 2023 by Isaiah Taylor, Valar Atomics is an advanced nuclear technology company headquartered in El Segundo, California. The company specializes in the design, standardized engineering, and factory mass-manufacturing of High-Temperature Gas-Cooled Reactors (HTGRs) powered by TRISO (Tristructural-Isotropic) fuel. Its modular nuclear technology is built to deliver scalable, zero-carbon electricity and high-temperature thermal power designed specifically for heavy industrial processes, clean synthetic hydrocarbon fuel production, and large-scale gigasites.

Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors4
23 portfolio companies: Pearl, Comparably, Keyway and 20 more
AlleyCorpVia a fund
140 portfolio companies: Nosis Biosciences, Syenex, Vibe Bio and 137 more
185 portfolio companies: Robocurve, Icarus, Hop Aero and 182 more
Sequoia CapitalVia a fund
410 portfolio companies
Show all 4

News

News ETV News - 8 months ago
Valar Atomics welcomes community for reactor facility open house - ETV News
Valar Atomics press release ORANGEVILLE - Valar Atomics will host a community open house on Thursday, Feb. 26, from 5:00 to 7:00 p.m. at its site within the San Rafael Energy Research Lab. Residents of Carbon and Emery Counties are invited to visit the re
Read more
Report
News AP News 8 months ago
US military airlifts small reactor as Trump pushes to quickly deploy nuclear power
The Pentagon and the Energy Department have airlifted a small nuclear reactor from California to Utah, demonstrating what they say is the potential for the U.S. to quickly deploy nuclear power for military and civilian use.
Read more
Report
News The Defense Post 8 months ago
Pentagon Airlifts Microreactor to Utah in First C-17 Nuclear Transport
The US has airlifted a compact nuclear reactor from California to Utah, marking the first time a C-17 military transport aircraft has transported a nuclear microreactor.
Read more
Report

Tech stack

Technologies named in job postings at Valar Atomics over the last 12 months, by layer, with the share of postings for each.
Technologies in use
106
Postings analysed
81
Stack modernity
64/100
Languages
Python21%
SQL16%
C#6%
JavaScript4%
Frameworks & libraries
Flink1%
Databases
InfluxDB5%
PostgreSQL5%
Cloud & platforms
AWS11%
Windows6%
Azure6%
Grafana6%
Sign in to see how your skills match this stack Sign In
Full Valar Atomics tech stack 106 technologies · by team · pay by technology · changes · similar stacks

Salary insights

Compensation ranges based on this company's open jobs
Median
$198k
Typical range
$70k – $300k
Open positions
70
64 Jobs
Junior 4.7%
Middle 15.6%
Senior 45.3%
Staff 20.3%
Principal 4.7%
Architect 9.4%
Level Jobs Median Typical range
Junior 3 $137k $137k – $140k
Middle 10 $215k $120k – $220k
Senior 29 $180k $115k – $240k
Staff 13 $211k $140k – $300k
Principal 3 $240k $240k
Architect 6 $300k $275k – $300k
Highest paying role Project Manager, Commercial Projects $300k
Normalized to USD per year
All salaries at Valar Atomics By role, level and city, against the market · 70 jobs with pay

Growth

Hiring Momentum
80/100
Scaling fast
Open positions
101
30 opened / 23 closed in 30 days
Median time-to-fill
43 days
faster than 31% of the market
ATS activity
Every ~4 hours
10/29/2026
Hiring Dynamics +100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Industrial Engineering
45% ▲
Field & Service
13% ▲
Hardware
7% ▼
Energy
7%
Operations
6%
HR
4% ▼
Actively hiring for Industrial Engineering (+24 in 30 days)
Activity Timeline
Added EVMS to stack Oct 2026
Added AI Agents to stack Oct 2026
Added IBM DOORS to stack Oct 2026
Added PSS/E to stack Oct 2026
Added IEC 61850 to stack Oct 2026
Added ETAP to stack Oct 2026
Added CAPA to stack Oct 2026
New location: Orangeville Oct 2026
Added Windows Server to stack Oct 2026
Added Platform Engineering to stack Oct 2026
Added Linux to stack Oct 2026
Added Active Directory to stack Oct 2026

Offices

Where the company hires and what each office is for
Cities
4
Hiring now
2
Countries
1
Busiest office
Torrance
Loading the map
Headquarters Builds here Office with open vacancies No open vacancies right now Tap a pin for the office
El Segundo United States
HQ
Torrance United States
Plant / site
Torrance
83 open roles 88 posted in 90 days 13% engineering 500-1000 est. staff $193k Avg Salary
hires for Industrial Engineering, Energy, Finance
seen since Jan 2026 careers board, job postings
Orangeville United States
Plant / site
Orangeville
25 open roles 21 posted in 90 days 4% engineering 50-200 est. staff $175k Avg Salary
hires for Industrial Engineering, Field & Service, Management
seen since Jan 2026 job postings
Hawthorne United States
Regional office
Hawthorne
careers board

Jobs

≈ $51k – $114k per year (Estimated) · Equity · In office · Nationals only · High School Diploma · Orangeville
Apply
≈ $51k – $114k per year (Estimated) · Equity · In office · Nationals only · High School Diploma · Orangeville
Apply
$200k – $295k per year · Equity · In office · 10+ years exp · Bachelor's Degree · Torrance
SolidWorks
Apply
$175k – $230k per year · Equity · In office · Torrance
Windows
Apply
$160k – $210k per year · Equity · In office · Torrance
Apply
$160k – $210k per year · Equity · In office · Torrance
Apply
≈ $166k – $316k per year (Estimated) · Equity · In office · 5+ years exp · Bachelor's Degree · Orangeville
Microsoft Excel
Apply
$225k – $300k per year · Equity · In office · 12+ years exp · Bachelor's Degree · Torrance
NRC Licensing
ASME NQA-1
Apply
$173k – $211k per year · Equity · In office · 8+ years exp · Bachelor's Degree · Torrance
Python
SQL
Rest API
Life Sciences
LIMS
MedTech
21 CFR Part 11
Energy
ASME NQA-1
Apply
$225k – $290k per year · Equity · In office · 15+ years exp · Bachelor's Degree · Torrance
PSS/E
PSCAD
ETAP
PowerFactory
Apply
$144k – $176k per year · Equity · In office · 5+ years exp · Bachelor's Degree · Torrance
Python
MATLAB
MCNP
NRC Licensing
ASME NQA-1
Apply
≈ $85k – $154k per year (Estimated) · Equity · In office · 1+ year exp · Bachelor's Degree · Orangeville
ETAP
ASME NQA-1
Apply

Financials

Total raised
$1.2B
Latest round
Series B
Funding rounds
1
Funding rounds
Round Announced Amount
Series B 2026 $1.2B Details