Four Sea Group

Space Services · Custom Software Development
Truth index B
14Open roles
$186kMedian advertised pay
B 70/100Truth index

Facts

as of Nov 14, 2026

Four Sea Group is a 100 percent employee-owned technical mission support company supporting defense, space, software and systems programmes for government and industry partners. It was founded by an aerospace industry veteran and astrophysicist and hires systems, software and DevOps engineers. The company is headquartered in Denver, Colorado, United States.

It is hiring: 14 open roles, 0 of them posted in the last 30 days.

Headquarters
Denver, United States
Founded
2012
Employees
51-200estimated range
Open roles
14 in 3 citiesAlion job postings
Website
fourseagroupinc.com

As of Nov 14, 2026, Alion lists 14 open roles at Four Sea Group. Four Sea Group is headquartered in Denver, United States. It was founded in 2012. The median pay stated in its open roles is $186k, across 14 postings that state pay.

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

What the registers and the postings say about this employer.

Postings are real
Alion truth index: B
70/100
Ghost roles
re-checked against its careers site
50%
Sanctions lists
OFAC SDN, EU consolidated
No match
Domain in use
fourseagroupinc.com: first seen in registries and web archives
since 2013
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 slowly: few roles were posted lately.

Backend is the largest family, 29 of open roles.

0%Remote roles0 of 14
3Hiring offices
Can they hire you from United States?by your location
Likely
16 open roles are in your country: you apply locally, no move needed.
United States16On site
Remote, from elsewhere0Rare
No posting offers visa sponsorship. Remote roles: 0.
Alion signals0-100
Demand50
Pay29
Your chance9
How badly they need people, whether they pay, how realistic getting in is.
Open roles over time+75%
Sep 14This week
Open roles a week: 8 then, 14 now
Are the postings real?
B
70 / 100Four Sea Group scores B on the Alion truth index (A is best, E worst), measured over 14 open roles re-checked against its own hiring board: 50% look like ghost listings, 0% have gone stale and 0% are the same role posted again.
Ghost roles50%
Gone stale0%
Reposted0%
Where the openings areshare of open roles · trend
Backend29▼
DevOps14▲
QA14▼
Hardware14▲
Industrial Engineering14▼
Defense14▲
Newest roles
Senior Software Engineer- DevOps
$140k – $232k per year · In office · TS/SCI · Full-Time · 8+ years exp · Bachelor's Degree · Aurora
Senior Software Engineer – Mission Applications & Command and Control
$140k – $232k per year · In office · TS/SCI · Full-Time · 8+ years exp · Bachelor's Degree · Aurora
Senior Systems Engineer – Radar Analysis
$148k – $214k per year · In office · Secret · Full-Time · 8+ years exp · Bachelor's Degree · Aurora
Senior Test Engineer – Test & Evaluation
$121k – $162k per year · In office · TS/SCI · Full-Time · 6+ years exp · Bachelor's Degree · Littleton
Degree asked
Bachelor's Degree 100%
Experience asked: 7.4 years on average, in 13 postings. 14 postings state a degree.
Benefits named in postingsshare of open roles
Retirement plans14100%
Contract type
Full-Time 14
Visa sponsorship: none statedRelocation: none stated
Source: the company's careers site, read by Alion several times a day; market medians from all open roles of the same family

What its postings pay, by level.

$186kMedian
$120k – $232kTypical rangeUSD a year
$232kHighest paying roleSenior Software Engineer – Mission Applications & Command and Control
Source: the pay stated in the company's postings, normalised to USD a year

Footprint

Hiring in 3 cities in 1 country.

3Cities
1Countries
AuroraBusiest site
Loading the map
SiteTypeOpen rolesHires most forEngineering
Denver United StatesHeadquarters0
Aurora United StatesEngineering / R&D9Backend, DevOps, QA89%
Littleton United StatesRegional office3Frontend, DevOps, Defense67%
Colorado Springs United StatesNot classified2Backend, Industrial Engineering50%
Source: office addresses in postings and company registers

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

88Technologies in use
15Postings analysed
71/100Stack modernity
Sign in to see how your skills match this stackSign In
Full Four Sea Group tech stack88 technologies · by team · pay by technology · changes · similar stacks
Source: the technologies named in the company's postings and on its site

Milestones

2012
Founded
Each milestone is dated by its source: registers, filings, the press

Newsroom

top 14%Web presenceof 133.2M domains by links, Common Crawl
Sources: the outlets named on each headline, each story once