CloudLinux

Web Security & DDoS Protection · Vulnerability Management
13open roles
Scaling fasthiring pace, 93 of 100
Atruth index, 86 of 100
21 daysmedian time a role stays open

Overview

CloudLinux is a software company that develops CloudLinux OS, a hardened Linux distribution for shared hosting providers, along with KernelCare live kernel patching, TuxCare extended lifecycle support and Imunify360 web server security. Its products are used by web hosting companies and enterprises to keep Linux servers secure and stable without reboots. Founded in 2009, the company is headquartered in Estero, Florida, United States.

Key facts

As of Nov 12, 2026, Alion lists 13 open roles at CloudLinux. CloudLinux is headquartered in Estero, United States. It was founded in 2009.

Headquarters
Estero, United StatesAlion company profile, updated Nov 12, 2026
Founded
2009Alion company profile, updated Nov 12, 2026
Employees
200+Alion company profile, an estimated range
Technologies in its job postings
154Named in its job postings
How to cite this page

Alion, "CloudLinux: key facts", as of Nov 12, 2026. https://alion.io/company/cloudlinux

These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0

How CloudLinux hires

Truth index
A 86/100
Median time to fill
21 days
Ghost roles
0%
Stale roles
75%
Reposted roles
0%

CloudLinux scores A 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 21 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed

Jobs

≈ $30k – $73k per year (Estimated) · Remote (Poland, Serbia, Armenia, Georgia)
Python
C++
Linux
Apply
Apply
Remote (Poland, Romania, Spain, Armenia, Georgia, European time zones hours) · Full-Time · Warsaw · Madrid · Lisbon · Bucharest · Yerevan
Python
JavaScript
TypeScript
Node JS
Linux
Apply
≈ $61k – $103k per year (Estimated) · Remote (Bulgaria, Poland, Spain, Armenia, Georgia, UTC-5 – UTC+8 hours) · Full-Time · Warsaw · Madrid · Tbilisi · Sofia · Yerevan
Python
JavaScript
PHP
Rust
SQL
WordPress
Databases
ClickHouse
AI/ML
Weights & Biases
llama.cpp
Claude
LoRA
Model Context Protocol
vLLM
MLFlow
Quantization
Knowledge Distillation
AI Agents
ONNX
PEFT
QLoRA
PyTorch
LLM
Hugging Face
OpenAI Codex
LLM Evaluation
Model Distillation
DevOps
Jenkins
GitLab
Linux
Management
Jira
Apply
≈ $65k – $110k per year (Estimated) · Remote (Bulgaria, Poland, Spain, Armenia, Georgia) · Full-Time · Warsaw · Sofia · Podgorica · Tbilisi · Yerevan
Python
Rust
Lua
Fine-tuning
Quantization
Knowledge Distillation
ONNX
PyTorch
LLM
Tokenization
Pre-training
Model Distillation
Machine Learning
DevOps
Linux
Apply
≈ $59k – $105k per year (Estimated) · Remote (Bulgaria, Czech Republic, Poland, Romania, Spain) · Full-Time · Warsaw · Prague · Sofia · Bucharest · Madrid
Python
PHP
WordPress
AI/ML
LLM
DevOps
CI/CD
Linux
Cybersecurity
ModSecurity
CVE
WPScan
OWASP
Apply
≈ $52k – $125k per year (Estimated) · Remote (Czech Republic, Spain, Portugal) · Lisbon · Madrid · Prague
Python
Rust
Linux
Apply
≈ $59k – $127k per year (Estimated) · Remote (Czech Republic, Spain, Portugal) · Prague · Lisbon · Madrid
Python
Go
JavaScript
PHP
Rust
Node JS
WordPress
Databases
ClickHouse
AI/ML
Cursor
Claude
Model Context Protocol
AI Agents
DevOps
Prometheus
GitLab CI
CI/CD
Jenkins
Ubuntu
Grafana
Hetzner
CentOS Stream
eBPF
Linux
Cybersecurity
ModSecurity
CIS Benchmarks
OWASP ASVS
Threat Modeling
OWASP
QA
Sentry
Apply
≈ $140k – $251k per year (Estimated) · Remote (EMEA, North America) · Full-Time · Seattle · Atlanta · Baltimore · Toronto · Austin
Linux
Apply
≈ $53k – $95k per year (Estimated) · Remote (Bulgaria, Serbia, Spain, Portugal) · Madrid · Lisbon · Sofia · Podgorica · Belgrade
Python
SQL
Terraform
Ansible
OpenTofu
GitLab CI
CI/CD
AWS
Kubernetes
Grafana
FinOps
Linux
Apply
≈ $47k – $99k per year (Estimated) · Remote (Bulgaria, Czech Republic, Romania, Spain, Poland) · Full-Time · Sofia · Madrid · Bucharest · Prague · Warsaw
JavaScript
PHP
Node JS
WordPress
AI/ML
LLM
DevOps
Linux
Cybersecurity
Defense in Depth
Apply
≈ $65k – $97k per year (Estimated) · Remote (Poland, Spain, Armenia, Georgia, Slovakia) · Full-Time · Warsaw · Madrid · Tbilisi · Yerevan · Bratislava
SQL
PostgreSQL
Redis
ClickHouse
AI/ML
Claude
DevOps
ZooKeeper
Terraform
Ansible
OpenTofu
GitLab CI
CI/CD
Grafana
Opsgenie
SLI/SLO/SLA
Linux
DNS
Apply

Growth

Hiring Momentum
93/100
Scaling fast
Open positions
13
10 opened / 1 closed in 30 days
Median time-to-fill
26 days
faster than 51% of the market
ATS activity
Every ~5 hours
11/12/2026
Hiring Dynamics +180%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
DevOps
20% ▼
Backend
16% ▲
Sales
12% ▼
Industrial Engineering
12% ▲
AI/ML
8% ▲
Hardware
8% ▼
Activity Timeline
Added TCP/IP to stack Nov 2026
Added KVM to stack Nov 2026
Added C++ to stack Oct 2026
Added WPScan to stack Oct 2026
Added Threat Modeling to stack Oct 2026
Added OWASP ASVS to stack Oct 2026
Added OWASP to stack Oct 2026
Added Cursor to stack Oct 2026
Added CIS Benchmarks to stack Oct 2026
Added SQLite to stack Oct 2026
Added Sass to stack Oct 2026
Added RxJS to stack Oct 2026

Tech stack

Technologies named in job postings at CloudLinux over the last 12 months, by layer, with the share of postings for each.
Technologies in use
154
Postings analysed
36
Stack modernity
77/100AI adopter
Languages
Python81%
PHP28%
Go22%
JavaScript22%
Frameworks & libraries
Django14%
Angular11%
Flask8%
Dagster6%
Databases
ClickHouse36%
Redis19%
PostgreSQL11%
ElasticSearch3%
Cloud & platforms
Linux100%
GitLab CI36%
Grafana33%
GitLab31%
AI & ML
Claude25%
LLM19%
Gemini3%
LoRA3%
Sign in to see how your skills match this stack Sign In
Full CloudLinux tech stack 154 technologies · by team · pay by technology · changes · similar stacks

Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors1
Runa CapitalVia a fund
86 portfolio companies: Twenty, Ubitium, PM2 and 83 more

News

News CloudLinux 6 months ago
Dirty Frag (CVE-2026-43284,CVE-2026-43500): Mitigation and Kernel Update on CloudLinux
Dirty Frag is a Linux kernel local privilege escalation in the xfrm subsystem. Apply the mitigation now while patched kernels and KernelCare livepatches are prepared.
Read more
Report
News SCM 5 years ago
CloudLinux Launches TuxCare, an Enterprise Brand
With enterprise customers now driving roughly half of its business, the company is making a concerted effort to cater to them.
Read more
Report
News ZDNET 5 years ago
CloudLinux Launches AlmaLinux, CentOS Linux clone
The first of the next generation of the Red Hat CentOS Linux clones, CloudLinux's AlmaLinux, is here.
Read more
Report

Offices

Where the company hires and what each office is for
Cities
2
Hiring now
0
Countries
1
Loading the map
Headquarters Builds here Office with open vacancies No open vacancies right now Tap a pin for the office
Estero United States
HQ
20791 Three Oaks Pkwy, #980, Estero, FL 33929, USA
company site
Palo Alto United States
Regional office
Get in touch with us
2318 Louis Rd, Suite B, Palo Alto, CA 94303-3635
company site