# Companies using Proxmox

We found 26,561 companies that use Proxmox. 6,095 of them name it in their own job posts, and the rest through employees' public profiles. Hiring for it is steady, with 5,743 job posts naming it from October 2025 to August 2026. It comes up most in IT Support job posts.

Data as of November 9, 2026. Source: Sumble.

## Which companies name Proxmox in the most job posts?

Thales and Two Six Technologies have the most job posts naming Proxmox, with 145 and 86. Booz Allen Hamilton is the newest of the five companies in the table, with its first job post naming it in August 2024.

| Company | Job posts | People | Recent job post |
|---|---:|---:|---|
| [Thales](https://sumble.com/orgs/thales) | 145 | 83 | "Déployer, configurer et administrer des serveurs (physiques, virtuels (VMWare, Proxmox) ou cloud-hybrid)" (Sysops/DevOps Engineer (m/f), Nov 6, 2026) |
| [Two Six Technologies](https://sumble.com/orgs/two-six-technologies) | 86 | 2 | "Experience with virtualization platforms such as Proxmox or OpenStack" (TechOps Engineer, Senior Manager, Oct 31, 2026) |
| [Enlighten](https://sumble.com/orgs/enlighten) | 80 | 0 | "Experience with puppet, ansible, maven, virtualization (ovirt, proxmox, vmware, etc)" (Platform Engineer (Hybrid) - 30875, Nov 1, 2026) |
| [Booz Allen Hamilton](https://sumble.com/orgs/booz-allen-hamilton) | 76 | 9 | "Experience with virtualization or containers such as VMware, Proxmox, KVM, Docker, or Kubernetes in a lab or production environment" (Telecommunications Network Engineer, Nov 6, 2026) |
| [HII](https://sumble.com/orgs/hii-9) | 70 | 1 | "Experience with puppet, ansible, maven, virtualization (ovirt, proxmox, vmware, etc)" (Platform Engineer (Hybrid) - 27029, Mar 12, 2026) |

## Is hiring for Proxmox growing?

Hiring for Proxmox barely changed, at 3.0 in every 10,000 job posts from June to August 2026 against 3.3 from March to May. Its busiest month was April 2026, at 3.4.

| Month | Job posts naming it | All job posts | Per 10,000 job posts |
|---|---:|---:|---:|
| Oct 2025 | 341 | 1,413,673 | 2.4 |
| Nov 2025 | 563 | 1,822,119 | 3.1 |
| Dec 2025 | 399 | 1,236,103 | 3.2 |
| Jan 2026 | 521 | 1,828,002 | 2.9 |
| Feb 2026 | 507 | 1,856,647 | 2.7 |
| Mar 2026 | 616 | 1,850,711 | 3.3 |
| Apr 2026 | 580 | 1,728,886 | 3.4 |
| May 2026 | 568 | 1,821,509 | 3.1 |
| Jun 2026 | 549 | 1,909,496 | 2.9 |
| Jul 2026 | 547 | 1,815,180 | 3.0 |
| Aug 2026 | 552 | 1,835,698 | 3.0 |

## How many companies named Proxmox in a job post for the first time in recent months?

Proxmox showed up in job posts at 522 companies for the first time from June to August 2026, and 551 in the three months before. From October 2025 to August 2026, 1,890 companies named it in a job post for the first time.

| Period | Companies naming it in a job post for the first time |
|---|---:|
| March to May 2026 | 551 |
| June to August 2026 | 522 |
| October 2025 to August 2026 | 1,890 |

Companies whose first job post naming it appeared in that period. Recruiters, staffing firms and job boards are left out.

## How do we know which companies use Proxmox?

6,095 companies name Proxmox in job posts they wrote; employees' profiles add 20,466 more. 1,769 show up in both job posts and employees' profiles.

| How we know | Companies | Share |
|---|---:|---:|
| Job posts name Proxmox | 6,095 | 23% |
| Employees' profiles list Proxmox | 20,466 | 77% |

## What size are the companies that use Proxmox?

Proxmox skews toward smaller firms. 34% of its users are companies with fewer than 50 employees, against 22% on the typical tech page. 1,828 of its companies have more than 5,000 employees.

| Size | Share | Typical tech page |
|---|---:|---:|
| Under 50 employees | 34% | 22% |
| 50 to 999 | 47% | 38% |
| 1,000 to 5,000 | 12% | 17% |
| Over 5,000 | 6.9% | 23% |

## Where are Proxmox companies based?

The United States has the most Proxmox companies (20%), but France stands out: 12% of them, against 4.6% on the typical tech page. Its companies are based in 180 countries and territories.

| Country | Companies | Share | Typical tech page |
|---|---:|---:|---:|
| United States | 5,192 | 20% | 43% |
| France | 3,023 | 12% | 4.6% |
| Germany | 2,741 | 11% | 4.4% |
| Brazil | 1,485 | 5.8% | 2.8% |
| Spain | 1,137 | 4.4% | 1.8% |
| United Kingdom | 950 | 3.7% | 6.4% |

## Which teams work with Proxmox?

IT teams are by far the most common home for Proxmox, at 300 companies. Infrastructure teams are second, at 78 companies, and DevOps teams third, at 41.

| Team | Companies |
|---|---:|
| IT | 300 |
| Infrastructure | 78 |
| DevOps | 41 |
| Engineering | 31 |
| IT infrastructure | 26 |
| IT operations | 24 |

## Which roles mention Proxmox most?

IT Support and Systems Engineer roles account for 30% of the job posts that name Proxmox. IT Support posts naming it numbered 327 from March to May 2026 and 279 from June to August.

| Role | Share | Oct 2025 to Aug 2026 | Mar to May 2026 | Jun to Aug 2026 |
|---|---:|---:|---:|---:|
| IT Support | 20% | 1,152 | 327 | 279 |
| Systems Engineer | 9.6% | 551 | 153 | 160 |
| Administrator | 7.1% | 405 | 117 | 115 |
| DevOps Engineer | 6.9% | 398 | 125 | 95 |
| Infrastructure Engineer | 4.5% | 260 | 73 | 81 |
| Software Engineer | 4% | 227 | 55 | 48 |

## Which companies started naming Proxmox in job posts recently?

535 companies with 50 or more employees picked up Proxmox in their job posts from April to August 2026. Paramount leads the new enterprise companies, with 7 job posts from April to August.

| Group | Company | Job posts, April to August 2026 |
|---|---|---:|
| Commercial | [Groupe Serpe](https://sumble.com/orgs/serpe) | 5 |
| Commercial | [LuxTrust S.A.](https://sumble.com/orgs/luxtrust) | 5 |
| Commercial | [SHD System-Haus-Dresden GmbH](https://sumble.com/orgs/shd-system-haus-dresden) | 5 |
| Commercial | [Datatronic Software AG](https://sumble.com/orgs/datatronic-software) | 5 |
| Commercial | [Web Hosting Canada (WHC)](https://sumble.com/orgs/whc-online-solutions) | 5 |
| Mid-market | [emagine](https://sumble.com/orgs/emagine-group) | 6 |
| Mid-market | [Nedap](https://sumble.com/orgs/nedap) | 6 |
| Mid-market | [Cartrack](https://sumble.com/orgs/cartrack-sa) | 5 |
| Mid-market | [University of Cologne](https://sumble.com/orgs/universitat-zu-koln) | 5 |
| Mid-market | [Perforce Software](https://sumble.com/orgs/perforce-software) | 5 |
| Enterprise | [Paramount](https://sumble.com/orgs/paramount-66ac57f4) | 7 |
| Enterprise | [Optus](https://sumble.com/orgs/optus) | 5 |
| Enterprise | [Nagarro](https://sumble.com/orgs/nagarro) | 4 |
| Enterprise | [Insight](https://sumble.com/orgs/insight) | 4 |
| Enterprise | [Keysight Technologies](https://sumble.com/orgs/keysight-technologies) | 4 |

Companies that named Proxmox in a job post for the first time between April and August 2026, ranked by their job posts in those months. AI-native companies get a group of their own, whatever their size. Recruiters and job boards are left out.

## What else do Proxmox companies use?

The tool most tied to Proxmox is Ceph. 12% of Proxmox companies use it, 27 times the usual rate for their size. Among the tools listed here, Ubuntu is the most widely used, at 28% of Proxmox companies.

| Tool | Companies | Also name it | Typical | Times as common |
|---|---:|---:|---:|---:|
| Ceph | 608 | 12% | 0.43% | 27 times |
| Red Hat KVM | 1,084 | 21% | 0.97% | 22 times |
| Debian | 1,039 | 20% | 0.94% | 22 times |
| Graylog | 270 | 5.3% | 0.35% | 15 times |
| Red Hat OpenStack | 637 | 12% | 0.9% | 14 times |
| Zabbix | 1,404 | 27% | 2.1% | 13 times |
| Keycloak | 468 | 9.2% | 0.78% | 12 times |
| Ubuntu | 1,433 | 28% | 2.5% | 11 times |

Shares are out of the 5,108 companies whose job posts name Proxmox, not counting firms whose job posts name almost every technology.

## Which project themes come up in Proxmox job posts?

Apart from broad digital transformation work, Data Infrastructure Migration comes up most in job posts naming Proxmox, in 189 of them. Broad digital transformation work shows up in 1,389 of its job posts.

| Project theme | Job posts |
|---|---:|
| Digital Transformation | 1,389 |
| Data Infrastructure Migration | 189 |
| Cloud Cost Optimization | 138 |
| Cloud Migration | 136 |

- "Gérer le déploiement et la migration de solutions de : Virtualisation (Hyper-V, VMware, Proxmox..) / Environnement Windows Server / Stockage (SAN, NAS, SDS…) / Firewalling (Stormshield, Fortinet, Sophos…) / Messagerie de travail collaboratif (365, Workspace…) / Réseau LAN (Switchs cuivre ou fibre, wifi) / De PCA/PRA" (Trustteam België / Belgique, Systems and Network Engineer (m/f) - Permanent Contract - Lille, Nov 8, 2026)

## About this data

Sumble built this page. Sumble gives sales, marketing and other GTM teams technographics and hiring signals for the companies they sell to: the technologies each company uses, which teams are hiring and for what, and who reports to whom. That helps a team know who to contact, why now, and what to say.

Sumble covers more than 3.6 million companies, 93 million job posts collected since 2022 and 194 million employee profiles, and tracks more than 37,000 technologies. It finds which technologies a company uses by reading its job posts and its employees' public profiles.

Sumble has a free plan, and the same data is available through its API and MCP server.

A company counts when its own job posts or its employees' public profiles name the technology. Hiring is that technology's share of all job posts collected each month. Quotes are copied word for word from the companies' job posts.

Every figure on this page comes from Sumble's own analysis, and you won't find it outside Sumble.