---
title: "Which companies in United States use Red Hat Enterprise Linux?"
description: "CACI International, MANTECH, TEKsystems, Request Technology, LLC and more. 1,468 companies hiring in United States whose own job postings show they use Red Hat "
canonical: https://jobspipe.dev/technologies/red-hat-enterprise-linux/us
---

# Which companies in United States use Red Hat Enterprise Linux?

> CACI International, MANTECH, TEKsystems, Request Technology, LLC and more. 1,468 companies hiring in United States whose own job postings show they use Red Hat Enterprise Linux: 26 confirmed, 1,442 likely. Updated daily from live postings.

**Canonical URL:** https://jobspipe.dev/technologies/red-hat-enterprise-linux/us

1,468 companies with postings in United States use Red Hat Enterprise Linux according to their own job postings: 26 confirmed and 1,442 likely. The 12 listed below are confirmed users with at least 2 postings and a verified website; the rest are counted here but not named.

- **Confirmed companies:** 26
- **Likely companies:** 1,442
- **Category:** Developer tools
- **As of:** 25 Sep 2026

## Companies using Red Hat Enterprise Linux

| # | Company | Postings naming it | Last seen |
|---|---|---|---|
| 1 | [CACI International](https://jobspipe.dev/hiring/caci.com) | 56 | 25 Sep 2026 |
| 2 | [MANTECH](https://jobspipe.dev/hiring/mantech.com) | 36 | 26 Sep 2026 |
| 3 | [TEKsystems](https://jobspipe.dev/hiring/teksystems.com) | 19 | 26 Sep 2026 |
| 4 | [Request Technology, LLC](https://jobspipe.dev/hiring/requesttechnology.com) | 9 | 25 Sep 2026 |
| 5 | [HiveWatch](https://jobspipe.dev/hiring/hivewatch.com) | 6 | 24 Sep 2026 |
| 6 | [Sigma Defense Systems LLC](https://jobspipe.dev/hiring/sigmadefense.com) | 6 | 24 Sep 2026 |
| 7 | [Integrated Resources, Inc ( IRI )](https://jobspipe.dev/hiring/irionline.com) | 4 | 24 Sep 2026 |
| 8 | [ARSIEM](https://jobspipe.dev/hiring/arsiem.com) | 3 | 18 Aug 2026 |
| 9 | [System Soft Technologies](https://jobspipe.dev/hiring/sstech.us) | 3 | 24 Sep 2026 |
| 10 | [Harrison.ai](https://jobspipe.dev/hiring/harrison.ai) | 2 | 14 Aug 2026 |
| 11 | [K2 Space](https://jobspipe.dev/hiring/k2space.com) | 2 | 24 Sep 2026 |
| 12 | [Moderna](https://jobspipe.dev/hiring/modernatx.com) | 2 | 24 Sep 2026 |

## By country

- [India](https://jobspipe.dev/technologies/red-hat-enterprise-linux/in)
- [France](https://jobspipe.dev/technologies/red-hat-enterprise-linux/fr)
- [Canada](https://jobspipe.dev/technologies/red-hat-enterprise-linux/ca)
- [Japan](https://jobspipe.dev/technologies/red-hat-enterprise-linux/jp)
- [Singapore](https://jobspipe.dev/technologies/red-hat-enterprise-linux/sg)
- [United Kingdom](https://jobspipe.dev/technologies/red-hat-enterprise-linux/gb)
- [Belgium](https://jobspipe.dev/technologies/red-hat-enterprise-linux/be)
- [Italy](https://jobspipe.dev/technologies/red-hat-enterprise-linux/it)
- [Germany](https://jobspipe.dev/technologies/red-hat-enterprise-linux/de)

Worldwide: [Which companies use Red Hat Enterprise Linux?](https://jobspipe.dev/technologies/red-hat-enterprise-linux)

## FAQ

### How many companies use Red Hat Enterprise Linux in United States?

1,468 companies in United States have job postings that show they use Red Hat Enterprise Linux, as of 25 Sep 2026. 26 are confirmed and 1,442 are likely.

### Which companies use Red Hat Enterprise Linux in United States?

CACI International, MANTECH, TEKsystems, Request Technology, LLC, HiveWatch are among the confirmed Red Hat Enterprise Linux users with the most postings naming it in United States. The full list on this page names 12 companies.

### How does JobsPipe know a company uses Red Hat Enterprise Linux?

From the company's own job postings. Each posting is read for the technologies it names, and every company and technology pair is graded: confirmed when two independent checks agree on Red Hat Enterprise Linux in at least one posting, likely when it is a stated requirement or appears in two separate postings. A single passing mention is not counted here. It is evidence of a team working with Red Hat Enterprise Linux, not a purchase record.

## Reproduce

```bash
curl -X POST https://api.jobspipe.dev/v1/companies/search -H "Authorization: Bearer $JOBSPIPE_API_KEY" -H "Content-Type: application/json" -d '{"company_technology_slug_or":["red-hat-enterprise-linux"],"tier_min":"confirmed","company_country_code_or":["US"],"limit":25}'
```


---
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