CentOS Contract Job Trends in England

CentOS Linux
UK > England

The table below provides summary statistics and contractor rates for jobs advertised in England requiring CentOS skills. It covers vacancies from the 6 months leading up to 18 September 2025, with comparisons to the same periods in the previous two years.

6 months to
18 Sep 2025
Same period 2024 Same period 2023
Rank 451 461 495
Rank change year-on-year +10 +34 +93
Contract jobs citing CentOS 61 67 95
As % of all contract jobs advertised in England 0.22% 0.20% 0.23%
As % of the Operating Systems category 1.59% 1.42% 1.43%
Number of daily rates quoted 39 44 60
10th Percentile £331 £299 £361
25th Percentile £430 £404 £456
Median daily rate (50th Percentile) £550 £500 £575
Median % change year-on-year +10.00% -13.04% -4.17%
75th Percentile £606 £528 £638
90th Percentile £642 £607 £651
UK median daily rate £550 £500 £550
% change year-on-year +10.00% -9.09% -4.35%

All Operating Systems
England

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

Contract vacancies with a requirement for operating system skills 3,829 4,729 6,648
As % of all contract IT jobs advertised in England 13.78% 14.36% 15.86%
Number of daily rates quoted 2,523 3,019 4,565
10th Percentile £190 £200 £186
25th Percentile £294 £329 £315
Median daily rate (50th Percentile) £450 £475 £500
Median % change year-on-year -5.26% -5.00% -
75th Percentile £575 £588 £631
90th Percentile £675 £688 £725
UK median daily rate £450 £475 £500
% change year-on-year -5.26% -5.00% -
Number of hourly rates quoted 250 235 332
10th Percentile £15.50 £15.22 £15.25
25th Percentile £18.83 £20.15 £18.90
Median hourly rate £25.15 £57.25 £47.67
Median % change year-on-year -56.07% +20.11% +99.35%
75th Percentile £60.94 £70.00 £65.00
90th Percentile £67.00 - £77.50
UK median hourly rate £25.15 £49.75 £47.50
% change year-on-year -49.45% +4.74% +98.66%

CentOS
Job Vacancy Trend in England

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

Job vacancy trend for CentOS in England

CentOS
Daily Rate Trend in England

Contractor daily rate distribution trend for jobs in England citing CentOS.

Contractor daily rate distribution trend for jobs in England citing CentOS

CentOS
Daily Rate Histogram in England

Daily rate distribution for jobs citing CentOS in England over the 6 months to 18 September 2025.

Daily rate histogram for CentOS in England

CentOS
Hourly Rate Trend in England

Contractor hourly rate distribution trend for jobs in England citing CentOS.

Contractor hourly rate distribution trend for jobs in England citing CentOS

CentOS
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the England region over the 6 months to 18 September 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
London +24 26 £525 +5.00% 9
South East +19 14 £550 +5.77% 5
East of England - 9 £441 - 2
South West +19 4 £550 +4.76% 7
Yorkshire -15 1 £365 -45.93% 2
North of England -20 1 £365 -16.57% 4
CentOS
UK

CentOS
Co-occurring Skills and Capabilities in England 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 15 (24.59%) Apache
2 4 (6.56%) OpenStack
3 3 (4.92%) Tomcat
4 2 (3.28%) Confluence
4 2 (3.28%) Oracle HTTP Server
4 2 (3.28%) WebLogic
5 1 (1.64%) Anypoint
5 1 (1.64%) SharePoint
Business Applications
1 1 (1.64%) Remedy ITSM
Cloud Services
1 24 (39.34%) AWS
2 9 (14.75%) GCP
3 8 (13.11%) Azure
4 5 (8.20%) Amazon ECS
4 5 (8.20%) AWS CloudFormation
4 5 (8.20%) AWS Fargate
4 5 (8.20%) Entra ID
4 5 (8.20%) Virtual Private Cloud
5 4 (6.56%) Cloud Computing
5 4 (6.56%) OpenShift
6 3 (4.92%) GitHub
6 3 (4.92%) npm
7 2 (3.28%) Amazon S3
8 1 (1.64%) IaaS
8 1 (1.64%) IBM Cloud
8 1 (1.64%) Microsoft 365
8 1 (1.64%) OCI
Communications & Networking
1 21 (34.43%) DNS
2 10 (16.39%) Firewall
2 10 (16.39%) SAN
3 7 (11.48%) DHCP
4 6 (9.84%) iSCSI
4 6 (9.84%) TCP/IP
5 5 (8.20%) VPN
6 3 (4.92%) AMQP
6 3 (4.92%) NAS
6 3 (4.92%) VSAN
7 2 (3.28%) BGP
7 2 (3.28%) Ethernet VPN
7 2 (3.28%) HTTP
7 2 (3.28%) MPLS
7 2 (3.28%) Network Security
7 2 (3.28%) SSL
7 2 (3.28%) VLAN
8 1 (1.64%) FCoE
8 1 (1.64%) Fibre Channel
8 1 (1.64%) Intrusion Detection
Database & Business Intelligence
1 7 (11.48%) MongoDB
2 5 (8.20%) Elasticsearch
3 4 (6.56%) MySQL
4 3 (4.92%) MariaDB
4 3 (4.92%) RDBMS
4 3 (4.92%) Relational Database
5 2 (3.28%) Amazon RDS
5 2 (3.28%) Big Data
5 2 (3.28%) InfluxDB
5 2 (3.28%) NoSQL
5 2 (3.28%) SQL Server
Development Applications
1 13 (21.31%) Jenkins
2 12 (19.67%) GitLab
3 11 (18.03%) JIRA
4 6 (9.84%) Git
4 6 (9.84%) Sonatype Nexus
5 4 (6.56%) Bitbucket
5 4 (6.56%) MSI
5 4 (6.56%) Robot Framework
5 4 (6.56%) TeamCity
6 3 (4.92%) Maven
6 3 (4.92%) Vagrant
7 2 (3.28%) SonarQube
7 2 (3.28%) Terragrunt
8 1 (1.64%) Postman
General
1 12 (19.67%) Social Skills
2 9 (14.75%) Finance
3 5 (8.20%) Financial Institution
4 4 (6.56%) Analytical Skills
4 4 (6.56%) Public Sector
5 2 (3.28%) Law
5 2 (3.28%) Legal
6 1 (1.64%) Banking
6 1 (1.64%) Inclusion and Diversity
Job Titles
1 11 (18.03%) Administrator
2 8 (13.11%) Infrastructure Engineer
2 8 (13.11%) Linux Administrator
3 7 (11.48%) DevOps Engineer
3 7 (11.48%) Systems Administrator
4 6 (9.84%) Developer
4 6 (9.84%) Integration Engineer
4 6 (9.84%) Linux Engineer
4 6 (9.84%) Linux Systems Administrator
4 6 (9.84%) Senior
5 5 (8.20%) Lead
5 5 (8.20%) Lead DevOps
5 5 (8.20%) Lead DevOps Engineer
5 5 (8.20%) Support Engineer
6 4 (6.56%) 3rd Line Engineer
6 4 (6.56%) Architect
7 3 (4.92%) Full-Stack Developer
7 3 (4.92%) Linux Developer
7 3 (4.92%) Linux Specialist
7 3 (4.92%) Unix Developer
Libraries, Frameworks & Software Standards
1 6 (9.84%) Keycloak
1 6 (9.84%) Middleware
2 5 (8.20%) cloud-init
2 5 (8.20%) CSS
2 5 (8.20%) HTML
2 5 (8.20%) Kafka
3 4 (6.56%) React
4 3 (4.92%) AngularJS
4 3 (4.92%) Apache NiFi
4 3 (4.92%) Electron
4 3 (4.92%) JNI
4 3 (4.92%) LAMP
4 3 (4.92%) Node.js
5 2 (3.28%) ASP.NET Core
5 2 (3.28%) AWS CDK
5 2 (3.28%) JSON
5 2 (3.28%) NETCONF
5 2 (3.28%) RESTCONF
5 2 (3.28%) YANG
5 2 (3.28%) Zend Framework
Miscellaneous
1 13 (21.31%) Data Centre
2 9 (14.75%) PKI
3 8 (13.11%) Enterprise Storage
4 7 (11.48%) Linux Command Line
5 6 (9.84%) Hedge funds
6 3 (4.92%) Cloud Native
6 3 (4.92%) Legacy Applications
7 2 (3.28%) Private Cloud
7 2 (3.28%) Public Cloud
8 1 (1.64%) Cyber Threat
8 1 (1.64%) Data Protection Act
8 1 (1.64%) Enterprise Software
8 1 (1.64%) Hybrid Cloud
8 1 (1.64%) Onboarding
Operating Systems
1 61 (100.00%) Linux
2 35 (57.38%) Red Hat Enterprise Linux
3 26 (42.62%) Ubuntu
4 24 (39.34%) Windows
5 18 (29.51%) Unix
6 17 (27.87%) Windows Server
7 8 (13.11%) Windows Server 2019
8 4 (6.56%) Mac OS
9 3 (4.92%) Debian
9 3 (4.92%) Oracle Linux
9 3 (4.92%) Windows Server 2016
10 1 (1.64%) Rocky
10 1 (1.64%) SUSE
10 1 (1.64%) VMS
10 1 (1.64%) Windows Server 2003
Processes & Methodologies
1 24 (39.34%) DevOps
2 19 (31.15%) CI/CD
2 19 (31.15%) Containerisation
3 16 (26.23%) Problem-Solving
4 13 (21.31%) Agile
5 11 (18.03%) High Availability
5 11 (18.03%) Infrastructure as Code
6 10 (16.39%) Configuration Management
6 10 (16.39%) Disaster Recovery
7 9 (14.75%) Infrastructure Engineering
8 8 (13.11%) Continuous Improvement
8 8 (13.11%) Test Automation
9 7 (11.48%) Observability
10 6 (9.84%) Batch Scripting
10 6 (9.84%) Continuous Integration
10 6 (9.84%) Deployment Automation
10 6 (9.84%) ITSM
10 6 (9.84%) Task Automation
10 6 (9.84%) Workflow
11 5 (8.20%) Web Development
Programming Languages
1 35 (57.38%) Python
2 23 (37.70%) Bash
3 14 (22.95%) Shell Script
4 12 (19.67%) PowerShell
5 8 (13.11%) Java
5 8 (13.11%) JavaScript
5 8 (13.11%) PHP
6 7 (11.48%) Go
6 7 (11.48%) Perl
7 5 (8.20%) C
8 3 (4.92%) C#
8 3 (4.92%) SQL
9 1 (1.64%) Ruby
Qualifications
1 18 (29.51%) Security Cleared
2 10 (16.39%) DV Cleared
3 8 (13.11%) SC Cleared
4 7 (11.48%) RHCE
5 5 (8.20%) RHCSA
6 4 (6.56%) AWS Certification
6 4 (6.56%) Degree
7 2 (3.28%) AWS Certified Solutions Architect
Quality Assurance & Compliance
1 6 (9.84%) PCI DSS
2 5 (8.20%) NCSC
3 3 (4.92%) QA
4 1 (1.64%) ISO/IEC 27001
4 1 (1.64%) NIST
System Software
1 20 (32.79%) VMware Infrastructure
2 17 (27.87%) Active Directory
3 16 (26.23%) Docker
4 9 (14.75%) vSphere
5 7 (11.48%) Hyper-V
6 4 (6.56%) KVM
7 2 (3.28%) vCloud
7 2 (3.28%) VirtualBox
7 2 (3.28%) VMware Workstation
8 1 (1.64%) Veritas Cluster Server
8 1 (1.64%) Virtual Machines
8 1 (1.64%) VMware ESXi
Systems Management
1 32 (52.46%) Ansible
2 20 (32.79%) Kubernetes
3 18 (29.51%) Terraform
4 10 (16.39%) Puppet
5 8 (13.11%) Progress Chef
6 7 (11.48%) Nagios
6 7 (11.48%) Prometheus
7 6 (9.84%) Grafana
8 5 (8.20%) Jamf Pro
8 5 (8.20%) Packer
9 4 (6.56%) WMI
10 3 (4.92%) Salt
11 2 (3.28%) Icinga
11 2 (3.28%) Kibana
11 2 (3.28%) Red Hat Satellite
11 2 (3.28%) VxRail
12 1 (1.64%) Argo
12 1 (1.64%) Nessus
12 1 (1.64%) SCCM
12 1 (1.64%) vCenter Server
Vendors
1 31 (50.82%) VMware
2 24 (39.34%) Red Hat
3 12 (19.67%) Microsoft
3 12 (19.67%) Oracle
4 7 (11.48%) ServiceNow
4 7 (11.48%) Splunk
5 5 (8.20%) Okta
6 4 (6.56%) Cisco
7 3 (4.92%) MuleSoft
7 3 (4.92%) Rackspace
8 2 (3.28%) Dell
8 2 (3.28%) IBM
8 2 (3.28%) New Relic
8 2 (3.28%) Zend
9 1 (1.64%) EMC
9 1 (1.64%) Hitachi
9 1 (1.64%) Qualys
9 1 (1.64%) Rapid7
9 1 (1.64%) Remedy
9 1 (1.64%) Vertica