Antares Nuclear

Defense Manufacturing · Nuclear Engineering
Truth index B
76Open roles24 posted in 30 days+2 this week
$190kMedian advertised pay$150k – $210k+22% vs market
54 daysTime to fillmedian of 57 closed rolesmarket: 38 days
B 81/100Truth index
Lately:+2 roles posted this week6 news stories in 90 daysFollow changes →

Facts

as of Nov 14, 2026

Antares Nuclear is an American advanced nuclear energy company based in Torrance, California, that designs and builds factory-produced, deployable fission microreactors for defense, space and remote power applications. Founded in 2023, it aims to supply mass-producible, inherently safe reactors for military installations, spacecraft and undersea systems, was selected for the US Army Janus program at Fort Bragg and also works near Idaho National Laboratory in Idaho Falls. It hires thermo-mechanical, structural, test, quality and electrical integration engineers, welding and nondestructive evaluation technicians, recruiters and finance staff.

It is hiring: 76 open roles, 24 of them posted in the last 30 days. Its stated pay is 22% above the market estimate for the same roles.

Legal name
Antares Nuclear, Inc.
Headquarters
Torrance, United States
Founded
2023
Employees
201-500estimated range
Open roles
76 in 2 citiesAlion job postings
Register numbers
NAME antares nuclear inc
Official records
Wikidata Q141882015
Website
antaresindustries.com

As of Nov 14, 2026, Alion lists 76 open roles at Antares Nuclear. Antares Nuclear is headquartered in Torrance, United States. It was founded in 2023. It has raised $380M in 2 funding rounds. The latest round is Venture - Series Unknown of $60M, announced in 2026. The median pay stated in its open roles is $185k, across 70 postings that state pay.

Sources: company registers, GLEIF, Wikidata, the company's site, Alion job postingsReport a mistake

Trust

Full employer check →

What the registers and the postings say about this employer.

Legal entity active
Antares Nuclear, Inc.
Not checked
Postings are real
Alion truth index: B
81/100
Ghost roles
re-checked against its careers site
0%
Sanctions lists
OFAC SDN, EU consolidated
No match
Phishing reports
OpenPhish, Phishing.Database
None
Layoff notices
US WARN notices on file
None
Full employer checkScam signs in adverts, mail records, visa registers, domain history
Sources: company registers, the Alion truth index, OFAC and EU sanctions lists, US WARN notices

Hiring

All open roles →

Hiring steadily, with new roles every week.

Industrial Engineering is the largest family, 42 of open roles.

24Posted in 30 days31% of open roles are fresh
0%Remote roles0 of 77
2Hiring offices
Can they hire you from United States?by your location
Likely
133 open roles are in your country: you apply locally, no move needed.
United States133On site
Remote, from elsewhere0Rare
No posting offers visa sponsorship. Remote roles: 0.
Time to fillmedian days to close a role
Antares Nuclear54 days
Market, same roles38 days
Alion signals0-100
Demand91
Pay64
Your chance43
How badly they need people, whether they pay, how realistic getting in is.
Open roles over time−100%
Oct 5This week
Open roles a week: 81 then, 0 now
Are the postings real?
B
81 / 100Antares Nuclear scores B on the Alion truth index (A is best, E worst), measured over 4 open roles re-checked against its own hiring board: 0% look like ghost listings, 75% have gone stale and 0% are the same role posted again. Its roles close in a median of 54 days.
Ghost roles0%
Gone stale75%
Reposted0%
Where the openings areshare of open roles · trend
Industrial Engineering42▼
Aerospace11
Field & Service7▲
Hardware6
Operations6
Early Careers5▼
Newest roles
Electrical Engineer I/II
$120k – $185k per year · In office · Nationals only · Full-Time · Bachelor's Degree · Los Angeles
Deployment Site Lead
In office · Nationals only · Full-Time
Turbomachinery Design Engineer II
$115k – $220k per year · In office · Nationals only · Full-Time · 3+ years exp · Bachelor's Degree · Los Angeles
R&D Technician II-III
In office · Nationals only · Full-Time · Los Angeles
Degree asked
Bachelor's Degree 94%High School Diploma 4%Master's Degree 1%
Experience asked: 4 years on average, in 61 postings. 68 postings state a degree.
Benefits named in postingsshare of open roles
Equity11%
Contract type
Full-Time 68Internship 8
Visa sponsorship: none statedRelocation: none stated
View 76 jobsRoles matching my profile
Source: the company's careers site, read by Alion several times a day; market medians from all open roles of the same family

Pay

All salaries →

Pays 22% above the market estimate for the same roles.

$190kMedianmarket estimate $152k
$150k – $210kTypical rangeUSD a year
$300kHighest paying roleGeneral Counsel
Pay by levelmiddle half of stated pay, median marked · dashed: market median $152k
Intern10$68k
Junior4$175k$142k – $190k
Middle18$150k$150k – $185k
Senior29$190k$190k – $210k
Staff+6$225k$220k – $235k
$0$75k$150k$225k$300k
Source: the pay stated in the company's postings, normalised to USD a year

Footprint

Hiring in 2 cities in 1 country.

2Cities
1Countries
Los AngelesBusiest site
Loading the map
SiteTypeOpen rolesHires most forEngineering
Torrance United StatesHeadquarters0
Los Angeles United StatesPlant / site76Industrial Engineering, Aerospace, Hardware20%
Idaho Falls United StatesPlant / site4Industrial Engineering, Early Careers, Energy0%
All 3 offices
Source: office addresses in postings and company registers

Peers

Compare →

Ranked #5 by open roles among its 11 closest peers.

#CompanyHQOpen rolesSize
1Westinghouse Electric CompanyCranberry Township, United States8695000+
2Commonwealth Fusion SystemsDevens, United States1301001-5000
3General MatterSan Francisco, United States12551-200
4Helion EnergyEverett, United States77501-1000
5Antares NuclearTorrance, United States76201-500
6Centrus EnergyBethesda, United States71201-500
7TerraPowerBellevue, United States70501-1000
8Kairos PowerAlameda, United States64201-500
Antares Nuclear competitors and alternatives
Source: Alion's similar-companies engine (industry segments, technologies, headquarters country, size)

Financials

Funding rounds, investors and revenue on record.

$380MTotal raised
$3.9MPublic grants5 public grants
Venture - Series UnknownLatest round
7Rounds and grants
Money by yearUSD, rounds and grants
2026$380M2 records
2025$1.4M2 records
2024$2.5M2 records
2023$75k1 record
Largest rounds and grants
$320M
$60M
Grant
2024
$1.2M
Grant
2025
$1.2M
Grant
2024
$1.2M
All financials
Sources: funding announcements, grant and company registers

Tech stack

Full chapter →

Technologies named in job postings at Antares Nuclear over the last 12 months, by layer, with the share of postings for each.

82Technologies in use
89Postings analysed
63/100Stack modernity
LanguagesPython 37%MATLAB 13%C++ 7%SQL 2%
Frameworks & librariesAsyncio 1%Matplotlib 1%NumPy 1%Pandas 1%
Cloud & platformsAWS 9%Linux 6%RTOS 3%Grafana 2%
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Full Antares Nuclear tech stack82 technologies · by team · pay by technology · changes · similar stacks
Source: the technologies named in the company's postings and on its site

Milestones

Aug 3
Jul 8
2023
Founded
Each milestone is dated by its source: registers, filings, the press

Newsroom

top 2%Web presenceof 133.2M domains by links, Common Crawl
2Hacker News storiesbest: 77 points
Sep 172026
Aug 272026
News · YahooFinance
Standard Nuclear Signs TRISO Fuel Supply Deal With Antares Nuclear Through 2035
Standard Nuclear (STDN) said Thursday it signed a binding fuel supply agreement with Antares Nuclear
Aug 272026
Aug 272026
All news and milestones
Sources: the outlets named on each headline, each story once