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 23 November 2025, with comparisons to the same periods in the previous two years.

6 months to
23 Nov 2025
Same period 2024 Same period 2023
Rank 484 422 504
Rank change year-on-year -62 +82 +79
Contract jobs citing CentOS 60 100 77
As % of all contract jobs in England 0.20% 0.32% 0.20%
As % of the Operating Systems category 1.43% 2.26% 1.25%
Number of daily rates quoted 39 51 47
10th Percentile £395 £350 £333
25th Percentile £525 £438 £446
Median daily rate (50th Percentile) £550 £538 £570
Median % change year-on-year +2.33% -5.70% -8.80%
75th Percentile £625 £675 £600
90th Percentile £660 £738 £658
UK median daily rate £550 £531 £550
% change year-on-year +3.53% -3.41% -9.28%
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 4,204 4,430 6,138
As % of all contract IT jobs advertised in England 13.83% 14.10% 15.57%
Number of daily rates quoted 2,753 2,718 4,212
10th Percentile £185 £203 £185
25th Percentile £263 £325 £300
Median daily rate (50th Percentile) £450 £475 £480
Median % change year-on-year -5.26% -1.04% -5.88%
75th Percentile £575 £588 £613
90th Percentile £674 £699 £700
UK median daily rate £450 £475 £480
% change year-on-year -5.26% -1.04% -5.88%
Number of hourly rates quoted 344 180 325
10th Percentile £15.50 £15.96 £15.35
25th Percentile £18.87 £22.14 £18.93
Median hourly rate £23.25 £57.50 £35.00
Median % change year-on-year -59.57% +64.29% +40.00%
75th Percentile £56.58 £68.75 £65.00
90th Percentile £67.25 £70.10 £75.92
UK median hourly rate £24.50 £49.00 £32.50
% change year-on-year -50.00% +50.77% +30.00%

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 23 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 23 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 +15 20 £550 +10.00% 4
South East -27 11 £550 -4.35% 11
South West -6 8 £550 +4.76% 5
East of England - 6 £483 - 2
West Midlands -26 4 £540 +45.95% 2
Midlands -37 4 £540 +45.95% 3
Yorkshire -39 2 £365 -49.66% 1
North of England -53 2 £365 -49.66% 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 10 (16.67%) Apache
2 3 (5.00%) Microsoft Exchange
2 3 (5.00%) Tomcat
3 2 (3.33%) Confluence
3 2 (3.33%) OpenStack
3 2 (3.33%) Oracle HTTP Server
3 2 (3.33%) WebLogic
4 1 (1.67%) Anypoint
4 1 (1.67%) SharePoint
Applications
1 3 (5.00%) Microsoft Office
Business Applications
1 1 (1.67%) Remedy ITSM
Cloud Services
1 23 (38.33%) 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 6 (10.00%) OpenShift
6 5 (8.33%) GitHub
6 5 (8.33%) npm
7 1 (1.67%) Amazon S3
7 1 (1.67%) Cloud Computing
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 18 (30.00%) DNS
2 9 (15.00%) Firewall
3 8 (13.33%) DHCP
4 6 (10.00%) TCP/IP
5 5 (8.33%) AMQP
5 5 (8.33%) SAN
5 5 (8.33%) VPN
6 4 (6.67%) DKIM
6 4 (6.67%) DMARC
6 4 (6.67%) SMTP
7 3 (5.00%) NAS
7 3 (5.00%) Skype
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%) SSL
9 1 (1.67%) RTP
Database & Business Intelligence
1 9 (15.00%) MongoDB
2 6 (10.00%) RDBMS
2 6 (10.00%) 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 12 (20.00%) Jenkins
2 10 (16.67%) GitLab
3 7 (11.67%) Git
4 6 (10.00%) JIRA
5 5 (8.33%) Maven
6 4 (6.67%) Terragrunt
7 3 (5.00%) MSI
7 3 (5.00%) Robot Framework
7 3 (5.00%) Sonatype Nexus
7 3 (5.00%) Vagrant
8 2 (3.33%) Bitbucket
9 1 (1.67%) Postman
9 1 (1.67%) TeamCity
General
1 12 (20.00%) Social Skills
2 9 (15.00%) Analytical Skills
3 8 (13.33%) Finance
4 5 (8.33%) Financial Institution
5 3 (5.00%) Public Sector
6 1 (1.67%) Billing
6 1 (1.67%) Documentation Skills
6 1 (1.67%) Inclusion and Diversity
6 1 (1.67%) Telecoms
Job Titles
1 8 (13.33%) Administrator
1 8 (13.33%) DevOps Engineer
2 7 (11.67%) Developer
3 6 (10.00%) Infrastructure Engineer
3 6 (10.00%) Lead
3 6 (10.00%) Lead DevOps
3 6 (10.00%) Lead DevOps Engineer
4 5 (8.33%) Integration Engineer
4 5 (8.33%) Linux Engineer
4 5 (8.33%) Senior
4 5 (8.33%) Support Engineer
4 5 (8.33%) Wintel Engineer
5 4 (6.67%) Linux Administrator
5 4 (6.67%) Systems Administrator
6 3 (5.00%) Applications Support
6 3 (5.00%) Applications Support Engineer
6 3 (5.00%) Consultant
6 3 (5.00%) Infrastructure Consultant
6 3 (5.00%) Linux Specialist
6 3 (5.00%) Linux Systems Administrator
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 5 (8.33%) LDAP
5 4 (6.67%) AWS CDK
5 4 (6.67%) Node.js
5 4 (6.67%) React
6 3 (5.00%) AngularJS
6 3 (5.00%) CSS
6 3 (5.00%) Electron
6 3 (5.00%) HTML
6 3 (5.00%) JNI
6 3 (5.00%) LAMP
6 3 (5.00%) REST
7 2 (3.33%) JSON
7 2 (3.33%) SOAP
7 2 (3.33%) XML
7 2 (3.33%) YAML
7 2 (3.33%) Zend Framework
Miscellaneous
1 13 (21.67%) PKI
2 10 (16.67%) Data Centre
3 6 (10.00%) Hedge funds
4 5 (8.33%) Legacy Applications
5 4 (6.67%) Enterprise Storage
6 3 (5.00%) Cloud Native
6 3 (5.00%) Linux Command Line
6 3 (5.00%) SCADA
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 40 (66.67%) 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 6 (10.00%) Windows Server 2019
8 4 (6.67%) Mac OS
8 4 (6.67%) Oracle Linux
9 3 (5.00%) Debian
9 3 (5.00%) Windows 10
9 3 (5.00%) 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 23 (38.33%) CI/CD
2 19 (31.67%) DevOps
3 17 (28.33%) Containerisation
4 14 (23.33%) Infrastructure as Code
5 13 (21.67%) High Availability
5 13 (21.67%) Problem-Solving
6 11 (18.33%) Agile
7 9 (15.00%) Configuration Management
7 9 (15.00%) Disaster Recovery
7 9 (15.00%) Observability
7 9 (15.00%) Test Automation
8 8 (13.33%) Continuous Improvement
8 8 (13.33%) Infrastructure Engineering
8 8 (13.33%) Load Balancing
8 8 (13.33%) Task Automation
9 7 (11.67%) ITIL
9 7 (11.67%) Microservices
9 7 (11.67%) Root Cause Analysis
10 6 (10.00%) Incident Response
10 6 (10.00%) Workflow
Programming Languages
1 35 (58.33%) Python
2 30 (50.00%) Bash
3 14 (23.33%) PowerShell
4 12 (20.00%) Shell Script
5 10 (16.67%) Java
6 9 (15.00%) Go
7 7 (11.67%) Perl
8 6 (10.00%) JavaScript
8 6 (10.00%) SQL
9 5 (8.33%) C
9 5 (8.33%) PHP
10 1 (1.67%) C#
Qualifications
1 22 (36.67%) Security Cleared
2 12 (20.00%) SC Cleared
3 10 (16.67%) DV Cleared
4 7 (11.67%) RHCE
5 5 (8.33%) RHCSA
6 4 (6.67%) Degree
7 3 (5.00%) AWS Certification
7 3 (5.00%) MCSE
7 3 (5.00%) Microsoft Certification
8 2 (3.33%) AWS Certified Solutions Architect
9 1 (1.67%) BPSS Clearance
Quality Assurance & Compliance
1 7 (11.67%) NCSC
2 3 (5.00%) QA
3 2 (3.33%) PCI DSS
4 1 (1.67%) ISO/IEC 27001
4 1 (1.67%) NIST
System Software
1 17 (28.33%) Docker
2 16 (26.67%) VMware Infrastructure
3 15 (25.00%) Active Directory
4 6 (10.00%) vSphere
5 5 (8.33%) KVM
6 4 (6.67%) Hyper-V
6 4 (6.67%) Postfix
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 29 (48.33%) Ansible
2 21 (35.00%) Terraform
3 18 (30.00%) Kubernetes
4 9 (15.00%) Grafana
4 9 (15.00%) Puppet
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
8 3 (5.00%) Salt
8 3 (5.00%) WMI
8 3 (5.00%) WSUS
9 2 (3.33%) Icinga
9 2 (3.33%) Red Hat Satellite
9 2 (3.33%) VxRail
10 1 (1.67%) Argo
10 1 (1.67%) HAProxy
10 1 (1.67%) Kibana
10 1 (1.67%) vCenter Server
Vendors
1 23 (38.33%) VMware
2 21 (35.00%) Red Hat
3 15 (25.00%) Oracle
4 10 (16.67%) Splunk
5 9 (15.00%) Microsoft
6 7 (11.67%) Okta
7 5 (8.33%) Cisco
8 3 (5.00%) MuleSoft
8 3 (5.00%) Rackspace
9 2 (3.33%) Dell
9 2 (3.33%) IBM
9 2 (3.33%) New Relic
9 2 (3.33%) ServiceNow
9 2 (3.33%) Zend
10 1 (1.67%) Dialogic
10 1 (1.67%) EMC
10 1 (1.67%) Foundry
10 1 (1.67%) Qualys
10 1 (1.67%) Remedy
10 1 (1.67%) Vertica