American Systems
Facts
as of Nov 14, 2026American Systems is an employee-owned government services contractor headquartered in McLean, Virginia, delivering information technology, engineering and analysis, test and evaluation, and training services to national priority programs. Founded in 1975, it became a majority ESOP company in 1997 and fully employee-owned in 2015, works largely for US defense customers such as the Navy and NAVAIR, and has absorbed the contractor Epsilon. Its openings span aerospace and software engineers, cybersecurity analysts, network and systems administrators, mechanical designers and test engineers, many requiring security clearances.
It is hiring: 178 open roles, 69 of them posted in the last 30 days.
- Headquarters
- McLean, United States
- Founded
- 1975
- Employees
- 1001-5000estimated range
- Open roles
- 178 in 38 citiesAlion job postings
- Official records
- Wikidata Q64141477
- Website
- americansystems.com
As of Nov 14, 2026, Alion lists 178 open roles at American Systems. American Systems is headquartered in McLean, United States. It was founded in 1975. The median pay stated in its open roles is $150k, across 148 postings that state pay.
What the registers and the postings say about this employer.
Hiring
All open roles →Hiring steadily, with new roles every week.
Industrial Engineering is the largest family, 16 of open roles.
What its postings pay, by level.
Footprint
Hiring in 38 cities in 1 country.
| Site | Type | Open roles | Hires most for | Engineering |
|---|---|---|---|---|
| McLean United States | Headquarters | 13 | Industrial Engineering, Support, Backend | 23% |
| Arlington United States | Support & operations | 34 | Analytics, Management, Operations | 44% |
| Washington United States | Regional office | 10 | Industrial Engineering, Hardware, DevOps | 60% |
| Orlando United States | Regional office | 9 | Backend, QA, Industrial Engineering | 56% |
| Colorado Springs United States | Engineering / R&D | 9 | QA, Security, Networking | 78% |
| Middletown United States | Engineering / R&D | 9 | Security, Backend | 100% |
| Alexandria United States | Regional office | 7 | Analytics, Industrial Engineering, Defense | 43% |
| Norwich United States | Plant / site | 7 | Industrial Engineering, Hardware | 14% |
Peers
Compare →Ranked #3 by open roles among its 11 closest peers.
| # | Company | HQ | Open roles | Size | |
|---|---|---|---|---|---|
| 1 | Leidos | Reston, United States | 1,628 | 5000+ | |
| 2 | Scalian | Toulouse, France | 453 | 1001-5000 | |
| 3 | American Systems | McLean, United States | 178 | 1001-5000 | |
| 4 | Scientific Research Corporation | Atlanta, United States | 161 | 1001-5000 | |
| 5 | Saalex | Camarillo, United States | 109 | 1001-5000 | |
| 6 | Entarian | Greenbelt, United States | 94 | 1001-5000 | |
| 7 | Credence | Tysons, United States | 79 | 1001-5000 | |
| 8 | Integral Federal | McLean, United States | 64 | 501-1000 |
Financials
1 public grant on record, $238k in total.
Tech stack
Full chapter →Technologies named in job postings at American Systems over the last 12 months, by layer, with the share of postings for each.
