CentOS Linux
UK

The table below provides summary statistics for permanent job vacancies requiring CentOS skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited CentOS over the 6 months leading up to 14 June 2025, comparing them to the same period in the previous two years.

6 months to
14 Jun 2025
Same period 2024 Same period 2023
Rank 635 597 652
Rank change year-on-year -38 +55 +45
Permanent jobs citing CentOS 72 337 278
As % of all permanent jobs advertised in the UK 0.13% 0.31% 0.30%
As % of the Operating Systems category 1.02% 2.34% 1.84%
Number of salaries quoted 65 198 224
10th Percentile £40,000 £36,000 £41,250
25th Percentile £45,000 £40,000 £45,000
Median annual salary (50th Percentile) £60,000 £50,000 £55,000
Median % change year-on-year +20.00% -9.09% +4.76%
75th Percentile £80,000 £70,750 £71,563
90th Percentile £85,750 £92,000 £85,000
UK excluding London median annual salary £47,500 £47,500 £50,000
% change year-on-year - -5.00% -

All Operating Systems
UK

CentOS falls under the Operating Systems category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring operating system skills.

Permanent vacancies with a requirement for operating system skills 7,089 14,419 15,068
As % of all permanent jobs advertised in the UK 12.65% 13.08% 16.36%
Number of salaries quoted 4,311 10,774 10,277
10th Percentile £27,000 £26,000 £27,000
25th Percentile £32,110 £31,250 £35,000
Median annual salary (50th Percentile) £45,000 £45,000 £52,500
Median % change year-on-year - -14.29% -
75th Percentile £65,000 £62,500 £71,250
90th Percentile £81,250 £80,000 £91,250
UK excluding London median annual salary £40,000 £42,500 £45,000
% change year-on-year -5.88% -5.56% -

CentOS
Job Vacancy Trend

Job postings citing CentOS as a proportion of all IT jobs advertised.

Job vacancy trend for CentOS in the UK

CentOS
Salary Trend

3-month moving average salary quoted in jobs citing CentOS.

Salary trend for CentOS in the UK

CentOS
Salary Histogram

Salary distribution for jobs citing CentOS over the 6 months to 14 June 2025.

Salary histogram for CentOS in the UK

CentOS
Top 13 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the UK over the 6 months to 14 June 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
England -53 67 £60,000 +20.00% 101
UK excluding London -11 45 £47,500 - 70
Work from Home +81 28 £70,000 +40.00% 56
London +70 27 £80,000 -5.88% 45
South East +19 19 £57,500 +21.05% 29
North of England +54 11 £60,000 +60.00% 18
North West +24 11 £60,000 +4.35% 12
Midlands +56 9 £40,000 -13.51% 4
East Midlands +43 7 £40,000 -20.00%
Wales +43 4 £47,500 -5.00%
West Midlands +52 2 £60,000 +100.00% 3
East of England +46 1 £67,500 - 6
South West +30 1 - - 7

CentOS
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 10 (13.89%) Apache
2 9 (12.50%) Microsoft Exchange
3 4 (5.56%) IIS
4 3 (4.17%) Confluence
4 3 (4.17%) nginx
4 3 (4.17%) SharePoint
4 3 (4.17%) Tomcat
5 1 (1.39%) ColdFusion
Applications
1 2 (2.78%) Microsoft Excel
2 1 (1.39%) Trello
Business Applications
1 5 (6.94%) Fidessa
Cloud Services
1 24 (33.33%) AWS
2 17 (23.61%) Azure
3 6 (8.33%) Microsoft 365
4 4 (5.56%) GCP
5 3 (4.17%) Amazon CloudWatch
5 3 (4.17%) Amazon EC2
5 3 (4.17%) Cloud Computing
5 3 (4.17%) Entra ID
5 3 (4.17%) Nutanix
5 3 (4.17%) OneDrive
6 2 (2.78%) Google Workspace
6 2 (2.78%) OpenShift
6 2 (2.78%) PaaS
7 1 (1.39%) Amazon ECR
7 1 (1.39%) Amazon ECS
7 1 (1.39%) Azure DevOps
7 1 (1.39%) Datadog
7 1 (1.39%) GitHub
7 1 (1.39%) SaaS
7 1 (1.39%) Slack
Communications & Networking
1 17 (23.61%) DNS
2 15 (20.83%) Firewall
3 14 (19.44%) DHCP
4 8 (11.11%) Intrusion Detection
5 6 (8.33%) VLAN
5 6 (8.33%) VPN
6 5 (6.94%) FIX Connectivity
6 5 (6.94%) TCP/IP
7 4 (5.56%) Wireshark
8 3 (4.17%) Multicast
9 2 (2.78%) SAN
9 2 (2.78%) Telnet
10 1 (1.39%) HTTP
10 1 (1.39%) iSCSI
10 1 (1.39%) LAN
10 1 (1.39%) OpenLDAP
10 1 (1.39%) Remote Desktop
10 1 (1.39%) SSL
10 1 (1.39%) VSAN
10 1 (1.39%) WAN
Database & Business Intelligence
1 9 (12.50%) MySQL
2 7 (9.72%) Relational Database
3 6 (8.33%) SQL Server
4 4 (5.56%) MariaDB
4 4 (5.56%) RDBMS
5 2 (2.78%) Big Data
6 1 (1.39%) Elasticsearch
Development Applications
1 15 (20.83%) Git
2 2 (2.78%) GitLab
2 2 (2.78%) Jenkins
2 2 (2.78%) JIRA
3 1 (1.39%) Jaeger
3 1 (1.39%) Maven
3 1 (1.39%) MSI
3 1 (1.39%) Sonatype Nexus
3 1 (1.39%) Subversion
General
1 17 (23.61%) Finance
2 13 (18.06%) Social Skills
3 11 (15.28%) Banking
4 4 (5.56%) Spanish Language
5 2 (2.78%) Games
6 1 (1.39%) Analytical Skills
6 1 (1.39%) Back Office
6 1 (1.39%) Inclusion and Diversity
6 1 (1.39%) Organisational Skills
Job Titles
1 18 (25.00%) Administrator
1 18 (25.00%) Linux Administrator
2 10 (13.89%) Integration Engineer
2 10 (13.89%) Senior
3 9 (12.50%) Linux Engineer
4 8 (11.11%) Infrastructure Engineer
4 8 (11.11%) Linux Systems Administrator
4 8 (11.11%) Systems Administrator
5 6 (8.33%) Analyst
5 6 (8.33%) Lead
5 6 (8.33%) Support Analyst
6 5 (6.94%) Applications Support
6 5 (6.94%) Applications Support Analyst
6 5 (6.94%) Consultant
6 5 (6.94%) FIX Analyst
6 5 (6.94%) Linux Consultant
6 5 (6.94%) Linux Support
6 5 (6.94%) Senior Consultant
6 5 (6.94%) Senior Infrastructure Engineer
6 5 (6.94%) Senior Linux Consultant
Libraries, Frameworks & Software Standards
1 7 (9.72%) FIX Protocol
2 3 (4.17%) Lambda Expressions
2 3 (4.17%) LEMP Stack
2 3 (4.17%) Node.js
3 2 (2.78%) Elastic Stack
4 1 (1.39%) AngularJS
4 1 (1.39%) Bootstrap
4 1 (1.39%) ColdBox
4 1 (1.39%) CSS
4 1 (1.39%) HTML
4 1 (1.39%) jQuery
4 1 (1.39%) JSON
4 1 (1.39%) Laravel
4 1 (1.39%) LDAP
4 1 (1.39%) Loki
4 1 (1.39%) React
4 1 (1.39%) RESTful
4 1 (1.39%) SOAP
4 1 (1.39%) Vue
4 1 (1.39%) YAML
Miscellaneous
1 12 (16.67%) Data Centre
2 7 (9.72%) Derivative
2 7 (9.72%) Equities
2 7 (9.72%) Fixed Income
2 7 (9.72%) Hybrid Cloud
3 5 (6.94%) Bitcoin
3 5 (6.94%) Eurex
3 5 (6.94%) Hedge funds
4 4 (5.56%) Clustering
4 4 (5.56%) Management Information System
5 2 (2.78%) Foreign Exchange (FX)
5 2 (2.78%) Linux Command Line
5 2 (2.78%) Onboarding
5 2 (2.78%) Reference Data
6 1 (1.39%) Low-Code
Operating Systems
1 72 (100.00%) Linux
2 30 (41.67%) Red Hat Enterprise Linux
3 23 (31.94%) Ubuntu
4 20 (27.78%) Windows
5 19 (26.39%) Unix
6 17 (23.61%) Rocky
7 13 (18.06%) Windows Server
8 12 (16.67%) Solaris
9 6 (8.33%) Debian
10 5 (6.94%) HPUX
11 4 (5.56%) Oracle Linux
11 4 (5.56%) Windows Server 2016
12 2 (2.78%) CoreOS
Processes & Methodologies
1 21 (29.17%) DevOps
2 14 (19.44%) CI/CD
3 11 (15.28%) Capacity Planning
3 11 (15.28%) Containerisation
3 11 (15.28%) ITIL
4 10 (13.89%) Batch Scripting
5 9 (12.50%) Disaster Recovery
5 9 (12.50%) Service Delivery
6 8 (11.11%) Infrastructure as Code
6 8 (11.11%) Infrastructure Engineering
6 8 (11.11%) Network Monitoring
6 8 (11.11%) Problem-Solving
7 7 (9.72%) Client Onboarding
7 7 (9.72%) Migration
7 7 (9.72%) Root Cause Analysis
8 6 (8.33%) Computer Science
9 5 (6.94%) Continuous Improvement
9 5 (6.94%) Database Tuning
9 5 (6.94%) Electronic Trading
9 5 (6.94%) Process Improvement
Programming Languages
1 24 (33.33%) Python
2 22 (30.56%) Bash
3 12 (16.67%) PowerShell
4 11 (15.28%) PHP
4 11 (15.28%) SQL
5 5 (6.94%) Perl
6 4 (5.56%) JavaScript
7 1 (1.39%) Go
7 1 (1.39%) Java
7 1 (1.39%) Shell Script
Qualifications
1 14 (19.44%) Security Cleared
2 10 (13.89%) RHCE
3 9 (12.50%) Degree
4 8 (11.11%) DV Cleared
5 6 (8.33%) SC Cleared
6 4 (5.56%) CCNA
6 4 (5.56%) CCNP
6 4 (5.56%) Cisco Certification
6 4 (5.56%) MCSA
6 4 (5.56%) MCSE
6 4 (5.56%) Microsoft Certification
6 4 (5.56%) Network+ Certification
6 4 (5.56%) VMware Certified Professional (VCP)
7 3 (4.17%) AWS Certification
7 3 (4.17%) Azure Certification
7 3 (4.17%) Linux+ Certification
8 2 (2.78%) Computer Science Degree
Quality Assurance & Compliance
1 5 (6.94%) SLA
2 4 (5.56%) QA
3 3 (4.17%) GDPR
3 3 (4.17%) HIPAA
System Software
1 15 (20.83%) VMware Infrastructure
2 10 (13.89%) Active Directory
3 7 (9.72%) Docker
4 6 (8.33%) VMware ESXi
5 4 (5.56%) Virtual Servers
5 4 (5.56%) vSphere
6 3 (4.17%) Dovecot
6 3 (4.17%) Hyper-V
6 3 (4.17%) Postfix
7 2 (2.78%) VMware NSX
8 1 (1.39%) Firmware
8 1 (1.39%) KVM
Systems Management
1 32 (44.44%) Ansible
2 16 (22.22%) Grafana
3 8 (11.11%) Prometheus
3 8 (11.11%) Terraform
4 6 (8.33%) Kubernetes
4 6 (8.33%) Puppet
5 5 (6.94%) Nagios
6 4 (5.56%) Proxmox
7 3 (4.17%) Red Hat Satellite
8 2 (2.78%) Microsoft Intune
9 1 (1.39%) FortiGate
9 1 (1.39%) Nessus
9 1 (1.39%) WMI
Vendors
1 29 (40.28%) Red Hat
2 26 (36.11%) VMware
3 18 (25.00%) Microsoft
4 10 (13.89%) Atlassian
4 10 (13.89%) Oracle
5 5 (6.94%) Bloomberg
5 5 (6.94%) Cisco
5 5 (6.94%) CQG
5 5 (6.94%) ION Trading
5 5 (6.94%) Patsystems
5 5 (6.94%) Reuters
5 5 (6.94%) Trayport
6 4 (5.56%) Palo Alto
7 3 (4.17%) Okta
7 3 (4.17%) Ping Identity
7 3 (4.17%) SolarWinds
8 2 (2.78%) Google
8 2 (2.78%) PagerDuty
9 1 (1.39%) Perforce
9 1 (1.39%) Sophos