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 contract job vacancies from the 6 months leading up to 2 November 2025, with comparisons to the same periods in the previous two years.

6 months to
2 Nov 2025
Same period 2024 Same period 2023
Rank 462 432 498
Rank change year-on-year -30 +66 +87
Contract jobs citing CentOS 60 80 80
As % of all contract jobs in England 0.21% 0.26% 0.20%
As % of the Operating Systems category 1.47% 1.81% 1.28%
Number of daily rates quoted 37 40 49
10th Percentile £368 £296 £350
25th Percentile £513 £369 £475
Median daily rate (50th Percentile) £550 £500 £588
Median % change year-on-year +10.00% -14.89% -5.05%
75th Percentile £625 £575 £631
90th Percentile £647 £641 £657
UK median daily rate £550 £500 £550
% change year-on-year +10.00% -9.09% -8.33%
Number of hourly rates quoted 0 3 0
Median hourly rate - £112.00 -
UK median hourly rate - £112.00 -

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 4,077 4,411 6,237
As % of all contract IT jobs advertised in England 14.02% 14.17% 15.59%
Number of daily rates quoted 2,664 2,714 4,287
10th Percentile £185 £203 £185
25th Percentile £263 £326 £300
Median daily rate (50th Percentile) £450 £475 £495
Median % change year-on-year -5.26% -4.04% -1.00%
75th Percentile £575 £588 £625
90th Percentile £668 £688 £700
UK median daily rate £450 £475 £490
% change year-on-year -5.26% -3.06% -2.49%
Number of hourly rates quoted 319 186 324
10th Percentile £15.44 £16.25 £14.26
25th Percentile £18.87 £22.31 £18.50
Median hourly rate £23.58 £59.25 £40.00
Median % change year-on-year -60.21% +48.11% +60.00%
75th Percentile £43.75 £70.00 £65.00
90th Percentile £67.00 - £76.53
UK median hourly rate £24.25 £52.50 £34.00
% change year-on-year -53.81% +54.41% +37.37%

CentOS
Job Vacancy Trend in England

Historical trend showing the proportion of contract IT job postings citing CentOS relative to all contract IT jobs advertised in England.

CentOS job vacancy trend 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 2 November 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 2 November 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 +13 20 £550 +37.50% 5
South East -10 13 £550 +1.85% 19
East of England - 10 £441 - 1
South West +2 6 £550 +4.76% 3
North of England -39 2 £365 -14.12% 7
Yorkshire - 2 £365 - 4
CentOS
UK

CentOS
Co-Occurring Skills & Capabilities in England by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 12 (20.00%) Apache
2 5 (8.33%) OpenStack
3 3 (5.00%) Tomcat
4 2 (3.33%) Confluence
4 2 (3.33%) Microsoft Exchange
4 2 (3.33%) Oracle HTTP Server
4 2 (3.33%) WebLogic
5 1 (1.67%) Anypoint
5 1 (1.67%) SharePoint
Applications
1 2 (3.33%) Microsoft Office
Business Applications
1 1 (1.67%) Remedy ITSM
Cloud Services
1 26 (43.33%) AWS
2 10 (16.67%) GCP
3 9 (15.00%) Azure
4 7 (11.67%) Amazon ECS
4 7 (11.67%) AWS CloudFormation
4 7 (11.67%) AWS Fargate
4 7 (11.67%) Entra ID
4 7 (11.67%) Virtual Private Cloud
5 5 (8.33%) GitHub
5 5 (8.33%) OpenShift
6 4 (6.67%) Cloud Computing
6 4 (6.67%) npm
7 1 (1.67%) Amazon S3
7 1 (1.67%) IaaS
7 1 (1.67%) IBM Cloud
7 1 (1.67%) Microsoft 365
7 1 (1.67%) OCI
Communications & Networking
1 22 (36.67%) DNS
2 9 (15.00%) Firewall
2 9 (15.00%) SAN
3 8 (13.33%) DHCP
4 6 (10.00%) TCP/IP
5 5 (8.33%) iSCSI
5 5 (8.33%) VPN
6 4 (6.67%) AMQP
7 3 (5.00%) NAS
7 3 (5.00%) VLAN
7 3 (5.00%) VSAN
8 2 (3.33%) BGP
8 2 (3.33%) Ethernet VPN
8 2 (3.33%) HTTP
8 2 (3.33%) MPLS
8 2 (3.33%) Skype
8 2 (3.33%) SSL
9 1 (1.67%) Intrusion Detection
9 1 (1.67%) RTP
9 1 (1.67%) VoIP
Database & Business Intelligence
1 9 (15.00%) MongoDB
2 5 (8.33%) RDBMS
2 5 (8.33%) Relational Database
3 4 (6.67%) Amazon RDS
3 4 (6.67%) MySQL
4 3 (5.00%) Elasticsearch
4 3 (5.00%) MariaDB
5 2 (3.33%) InfluxDB
5 2 (3.33%) NoSQL
Development Applications
1 13 (21.67%) GitLab
2 12 (20.00%) Jenkins
3 10 (16.67%) JIRA
4 6 (10.00%) Git
5 4 (6.67%) Maven
5 4 (6.67%) MSI
5 4 (6.67%) Robot Framework
5 4 (6.67%) Sonatype Nexus
5 4 (6.67%) TeamCity
5 4 (6.67%) Terragrunt
6 3 (5.00%) Vagrant
7 2 (3.33%) Bitbucket
8 1 (1.67%) Postman
General
1 14 (23.33%) Social Skills
2 8 (13.33%) Finance
3 7 (11.67%) Analytical Skills
4 5 (8.33%) Financial Institution
5 4 (6.67%) Public Sector
6 1 (1.67%) Billing
6 1 (1.67%) Inclusion and Diversity
6 1 (1.67%) Telecoms
Job Titles
1 12 (20.00%) Administrator
2 8 (13.33%) DevOps Engineer
2 8 (13.33%) Linux Administrator
3 7 (11.67%) Developer
3 7 (11.67%) Infrastructure Engineer
3 7 (11.67%) Systems Administrator
4 6 (10.00%) Integration Engineer
4 6 (10.00%) Lead
4 6 (10.00%) Lead DevOps
4 6 (10.00%) Lead DevOps Engineer
4 6 (10.00%) Linux Systems Administrator
5 5 (8.33%) Linux Engineer
5 5 (8.33%) Senior
6 4 (6.67%) 3rd Line Engineer
6 4 (6.67%) Support Engineer
6 4 (6.67%) Wintel Engineer
7 3 (5.00%) AWS DevOps
7 3 (5.00%) AWS DevOps Engineer
7 3 (5.00%) Kafka Engineer
7 3 (5.00%) Unix Developer
Libraries, Frameworks & Software Standards
1 8 (13.33%) Keycloak
2 7 (11.67%) cloud-init
2 7 (11.67%) Kafka
3 6 (10.00%) Middleware
4 4 (6.67%) AWS CDK
4 4 (6.67%) Node.js
4 4 (6.67%) React
5 3 (5.00%) AngularJS
5 3 (5.00%) CSS
5 3 (5.00%) Electron
5 3 (5.00%) HTML
5 3 (5.00%) JNI
5 3 (5.00%) LAMP
5 3 (5.00%) REST
6 2 (3.33%) JSON
6 2 (3.33%) NETCONF
6 2 (3.33%) SOAP
6 2 (3.33%) XML
6 2 (3.33%) YAML
6 2 (3.33%) Zend Framework
Miscellaneous
1 13 (21.67%) Data Centre
1 13 (21.67%) PKI
2 8 (13.33%) Enterprise Storage
3 7 (11.67%) Linux Command Line
4 6 (10.00%) Hedge funds
5 5 (8.33%) Legacy Applications
6 3 (5.00%) Cloud Native
7 2 (3.33%) Onboarding
8 1 (1.67%) Client/Server
8 1 (1.67%) CUDA
8 1 (1.67%) Data Protection Act
8 1 (1.67%) Distributed Systems
8 1 (1.67%) Enterprise Software
8 1 (1.67%) Hybrid Cloud
8 1 (1.67%) Private Cloud
8 1 (1.67%) Public Cloud
Operating Systems
1 60 (100.00%) Linux
2 37 (61.67%) Red Hat Enterprise Linux
3 27 (45.00%) Ubuntu
4 23 (38.33%) Windows
5 20 (33.33%) Unix
6 17 (28.33%) Windows Server
7 7 (11.67%) Windows Server 2019
8 4 (6.67%) Mac OS
8 4 (6.67%) Oracle Linux
9 3 (5.00%) Debian
10 2 (3.33%) Windows 10
10 2 (3.33%) Windows Server 2012
10 2 (3.33%) Windows Server 2016
11 1 (1.67%) SUSE
11 1 (1.67%) VMS
11 1 (1.67%) Windows Server 2003
Processes & Methodologies
1 22 (36.67%) CI/CD
2 21 (35.00%) Containerisation
2 21 (35.00%) DevOps
3 13 (21.67%) Agile
3 13 (21.67%) Infrastructure as Code
4 11 (18.33%) Problem-Solving
5 10 (16.67%) Disaster Recovery
6 9 (15.00%) Configuration Management
6 9 (15.00%) High Availability
6 9 (15.00%) Infrastructure Engineering
6 9 (15.00%) Observability
6 9 (15.00%) Test Automation
7 8 (13.33%) Continuous Improvement
8 7 (11.67%) Task Automation
8 7 (11.67%) Workflow
9 6 (10.00%) Deployment Automation
9 6 (10.00%) Incident Response
9 6 (10.00%) ITIL
9 6 (10.00%) ITSM
9 6 (10.00%) Root Cause Analysis
Programming Languages
1 36 (60.00%) Python
2 26 (43.33%) Bash
3 16 (26.67%) Shell Script
4 14 (23.33%) PowerShell
5 9 (15.00%) Go
5 9 (15.00%) Java
6 7 (11.67%) Perl
6 7 (11.67%) PHP
7 6 (10.00%) JavaScript
8 5 (8.33%) C
8 5 (8.33%) SQL
9 1 (1.67%) C#
Qualifications
1 20 (33.33%) Security Cleared
2 11 (18.33%) DV Cleared
3 9 (15.00%) SC Cleared
4 7 (11.67%) RHCE
5 6 (10.00%) Degree
6 5 (8.33%) RHCSA
7 3 (5.00%) AWS Certification
8 2 (3.33%) AWS Certified Solutions Architect
8 2 (3.33%) MCSE
8 2 (3.33%) Microsoft Certification
Quality Assurance & Compliance
1 7 (11.67%) NCSC
2 6 (10.00%) PCI DSS
3 3 (5.00%) QA
4 1 (1.67%) ISO/IEC 27001
4 1 (1.67%) NIST
System Software
1 18 (30.00%) Active Directory
2 17 (28.33%) VMware Infrastructure
3 16 (26.67%) Docker
4 7 (11.67%) Hyper-V
5 6 (10.00%) vSphere
6 5 (8.33%) KVM
7 2 (3.33%) VirtualBox
8 1 (1.67%) Ceph
8 1 (1.67%) Firmware
8 1 (1.67%) QEMU
8 1 (1.67%) Veritas Cluster Server
8 1 (1.67%) Virtual Machines
8 1 (1.67%) VMware ESXi
Systems Management
1 34 (56.67%) Ansible
2 21 (35.00%) Terraform
3 18 (30.00%) Kubernetes
4 9 (15.00%) Puppet
5 8 (13.33%) Grafana
5 8 (13.33%) Progress Chef
6 7 (11.67%) Jamf Pro
6 7 (11.67%) Packer
6 7 (11.67%) Prometheus
7 4 (6.67%) Nagios
7 4 (6.67%) WMI
8 3 (5.00%) Salt
9 2 (3.33%) Icinga
9 2 (3.33%) Red Hat Satellite
9 2 (3.33%) VxRail
9 2 (3.33%) WSUS
10 1 (1.67%) Argo
10 1 (1.67%) Nessus
10 1 (1.67%) SCCM
10 1 (1.67%) vCenter Server
Vendors
1 27 (45.00%) VMware
2 20 (33.33%) Red Hat
3 14 (23.33%) Oracle
4 12 (20.00%) Microsoft
5 10 (16.67%) Splunk
6 7 (11.67%) Okta
7 6 (10.00%) ServiceNow
8 5 (8.33%) Cisco
9 3 (5.00%) MuleSoft
9 3 (5.00%) Rackspace
10 2 (3.33%) Dell
10 2 (3.33%) IBM
10 2 (3.33%) New Relic
10 2 (3.33%) Zend
11 1 (1.67%) Dialogic
11 1 (1.67%) EMC
11 1 (1.67%) HP
11 1 (1.67%) Rapid7
11 1 (1.67%) Remedy
11 1 (1.67%) Vertica