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 17 December 2025, with comparisons to the same periods in the previous two years.

6 months to
17 Dec 2025
Same period 2024 Same period 2023
Rank 498 402 477
Rank change year-on-year -96 +75 +60
Contract jobs citing CentOS 51 109 80
As % of all contract jobs in England 0.16% 0.37% 0.22%
As % of the Operating Systems category 1.21% 2.68% 1.39%
Number of daily rates quoted 34 57 50
10th Percentile £408 £352 £373
25th Percentile £508 £450 £466
Median daily rate (50th Percentile) £550 £575 £568
Median % change year-on-year -4.35% +1.32% -12.69%
75th Percentile £625 £738 £600
90th Percentile £653 £750 £657
UK median daily rate £550 £575 £550
% change year-on-year -4.35% +4.55% -12.00%
Number of hourly rates quoted 0 3 1
10th Percentile - £69.91 -
25th Percentile - £85.70 £21.25
Median hourly rate - £112.00 £22.50
Median % change year-on-year - +397.78% -62.50%
75th Percentile - - £23.75
90th Percentile - - -
UK median hourly rate - £112.00 £22.50
% change year-on-year - +397.78% -63.41%

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 4,202 4,074 5,751
As % of all contract IT jobs advertised in England 13.38% 13.96% 15.49%
Number of daily rates quoted 2,761 2,567 3,974
10th Percentile £180 £200 £181
25th Percentile £263 £313 £281
Median daily rate (50th Percentile) £450 £475 £475
Median % change year-on-year -5.26% - -7.32%
75th Percentile £566 £594 £613
90th Percentile £669 £699 £700
UK median daily rate £450 £475 £475
% change year-on-year -5.26% - -7.32%
Number of hourly rates quoted 336 145 305
10th Percentile £15.50 £15.69 £14.66
25th Percentile £18.87 £21.05 £18.00
Median hourly rate £25.15 £57.25 £32.50
Median % change year-on-year -56.07% +76.15% +30.00%
75th Percentile £63.56 £68.00 £65.00
90th Percentile £68.00 £70.00 £73.75
UK median hourly rate £25.15 £47.50 £32.25
% change year-on-year -47.05% +47.29% +32.99%

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 17 December 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 17 December 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 17 £488 -11.36% 6
South West -4 9 £550 +4.76% 8
South East -45 6 £505 -12.17% 13
East of England - 5 £483 - 3
Midlands -37 4 £540 +45.95% 9
West Midlands -40 4 £540 +45.95% 3
Yorkshire -54 1 - - 3
North of England -72 1 - - 7
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 8 (15.69%) Apache
2 3 (5.88%) Microsoft Exchange
2 3 (5.88%) Tomcat
3 2 (3.92%) Confluence
3 2 (3.92%) Oracle HTTP Server
3 2 (3.92%) WebLogic
4 1 (1.96%) Apache Spark
4 1 (1.96%) OpenStack
4 1 (1.96%) SharePoint
Applications
1 3 (5.88%) Microsoft Office
Business Applications
1 1 (1.96%) Remedy ITSM
Cloud Services
1 22 (43.14%) AWS
2 10 (19.61%) Azure
2 10 (19.61%) GCP
3 7 (13.73%) Amazon ECS
3 7 (13.73%) AWS CloudFormation
3 7 (13.73%) AWS Fargate
3 7 (13.73%) Entra ID
3 7 (13.73%) OpenShift
3 7 (13.73%) Virtual Private Cloud
4 6 (11.76%) npm
5 5 (9.80%) GitHub
6 2 (3.92%) Microsoft 365
7 1 (1.96%) Amazon S3
7 1 (1.96%) IaaS
7 1 (1.96%) IBM Cloud
7 1 (1.96%) OCI
Communications & Networking
1 16 (31.37%) DNS
2 8 (15.69%) Firewall
3 7 (13.73%) DHCP
4 6 (11.76%) AMQP
5 4 (7.84%) DKIM
5 4 (7.84%) DMARC
5 4 (7.84%) SMTP
5 4 (7.84%) TCP/IP
6 3 (5.88%) SAN
6 3 (5.88%) Skype
7 2 (3.92%) HTTP
7 2 (3.92%) NAS
7 2 (3.92%) SSL
7 2 (3.92%) VLAN
7 2 (3.92%) VPN
8 1 (1.96%) Asterisk PBX
8 1 (1.96%) Kerberos
8 1 (1.96%) RTP
8 1 (1.96%) VoIP
8 1 (1.96%) VXLAN
Database & Business Intelligence
1 7 (13.73%) MongoDB
1 7 (13.73%) RDBMS
1 7 (13.73%) Relational Database
2 4 (7.84%) Amazon RDS
2 4 (7.84%) MySQL
3 3 (5.88%) Elasticsearch
3 3 (5.88%) MariaDB
4 2 (3.92%) InfluxDB
5 1 (1.96%) Apache Hive
5 1 (1.96%) Hadoop
5 1 (1.96%) Impala
Development Applications
1 11 (21.57%) Jenkins
2 8 (15.69%) Git
3 7 (13.73%) GitLab
4 6 (11.76%) Maven
5 4 (7.84%) Terragrunt
6 3 (5.88%) JIRA
6 3 (5.88%) Vagrant
7 2 (3.92%) Bitbucket
8 1 (1.96%) MSI
8 1 (1.96%) Robot Framework
8 1 (1.96%) Sonatype Nexus
General
1 12 (23.53%) Social Skills
2 10 (19.61%) Analytical Skills
3 6 (11.76%) Finance
4 5 (9.80%) Financial Institution
5 3 (5.88%) Public Sector
6 1 (1.96%) Billing
6 1 (1.96%) Documentation Skills
6 1 (1.96%) Inclusion and Diversity
6 1 (1.96%) Telecoms
Job Titles
1 8 (15.69%) DevOps Engineer
2 7 (13.73%) Administrator
3 6 (11.76%) Lead
3 6 (11.76%) Lead DevOps
3 6 (11.76%) Lead DevOps Engineer
3 6 (11.76%) Support Engineer
4 5 (9.80%) Developer
4 5 (9.80%) Wintel Engineer
5 4 (7.84%) Applications Engineer
5 4 (7.84%) Applications Support
5 4 (7.84%) Applications Support Engineer
5 4 (7.84%) Linux Engineer
5 4 (7.84%) Systems Administrator
6 3 (5.88%) Architect
6 3 (5.88%) AWS Engineer
6 3 (5.88%) Full-Stack Developer
6 3 (5.88%) Linux Administrator
6 3 (5.88%) Linux Developer
6 3 (5.88%) Linux Systems Administrator
6 3 (5.88%) Unix Developer
Libraries, Frameworks & Software Standards
1 8 (15.69%) Kafka
1 8 (15.69%) Keycloak
2 7 (13.73%) cloud-init
3 5 (9.80%) LDAP
4 4 (7.84%) AWS CDK
4 4 (7.84%) Node.js
4 4 (7.84%) React
5 3 (5.88%) AngularJS
5 3 (5.88%) CSS
5 3 (5.88%) Electron
5 3 (5.88%) HTML
5 3 (5.88%) JNI
5 3 (5.88%) LAMP
6 2 (3.92%) Middleware
6 2 (3.92%) Zend Framework
7 1 (1.96%) Django
7 1 (1.96%) FreeSWITCH
7 1 (1.96%) Loki
7 1 (1.96%) OpenID
7 1 (1.96%) REST
Miscellaneous
1 11 (21.57%) PKI
2 7 (13.73%) Data Centre
3 6 (11.76%) Hedge funds
4 5 (9.80%) Legacy Applications
5 3 (5.88%) Cloud Native
5 3 (5.88%) SCADA
6 2 (3.92%) Distributed Systems
6 2 (3.92%) Enterprise Storage
6 2 (3.92%) Hybrid Cloud
6 2 (3.92%) Linux Command Line
6 2 (3.92%) Onboarding
7 1 (1.96%) Client/Server
7 1 (1.96%) CUDA
7 1 (1.96%) Data Protection Act
7 1 (1.96%) Private Cloud
7 1 (1.96%) Public Cloud
Operating Systems
1 51 (100.00%) Linux
2 36 (70.59%) Red Hat Enterprise Linux
3 22 (43.14%) Ubuntu
4 17 (33.33%) Windows
5 15 (29.41%) Unix
6 14 (27.45%) Windows Server
7 4 (7.84%) Mac OS
8 3 (5.88%) Debian
8 3 (5.88%) Oracle Linux
8 3 (5.88%) Windows 10
8 3 (5.88%) Windows Server 2012
8 3 (5.88%) Windows Server 2019
9 2 (3.92%) Windows Server 2016
10 1 (1.96%) Windows Server 2003
Processes & Methodologies
1 22 (43.14%) CI/CD
2 16 (31.37%) DevOps
3 15 (29.41%) Infrastructure as Code
4 14 (27.45%) Containerisation
5 13 (25.49%) High Availability
5 13 (25.49%) Problem-Solving
6 10 (19.61%) Task Automation
7 9 (17.65%) Observability
8 8 (15.69%) Agile
8 8 (15.69%) Configuration Management
8 8 (15.69%) Load Balancing
8 8 (15.69%) Microservices
8 8 (15.69%) Root Cause Analysis
8 8 (15.69%) Test Automation
9 7 (13.73%) Continuous Improvement
9 7 (13.73%) ITIL
10 6 (11.76%) Continuous Integration
10 6 (11.76%) Incident Response
10 6 (11.76%) Infrastructure Engineering
11 5 (9.80%) Site Reliability Engineering
Programming Languages
1 30 (58.82%) Python
2 29 (56.86%) Bash
3 12 (23.53%) PowerShell
3 12 (23.53%) Shell Script
4 11 (21.57%) Java
5 9 (17.65%) Go
6 7 (13.73%) Perl
7 6 (11.76%) JavaScript
8 5 (9.80%) C
9 4 (7.84%) SQL
10 3 (5.88%) PHP
11 1 (1.96%) C#
Qualifications
1 22 (43.14%) Security Cleared
2 13 (25.49%) SC Cleared
3 9 (17.65%) DV Cleared
4 7 (13.73%) RHCE
5 5 (9.80%) RHCSA
6 3 (5.88%) AWS Certification
6 3 (5.88%) Degree
6 3 (5.88%) MCSE
6 3 (5.88%) Microsoft Certification
7 2 (3.92%) AWS Certified Solutions Architect
8 1 (1.96%) BPSS Clearance
Quality Assurance & Compliance
1 7 (13.73%) NCSC
2 3 (5.88%) QA
3 1 (1.96%) ISO/IEC 27001
3 1 (1.96%) NIST
3 1 (1.96%) PCI DSS
System Software
1 16 (31.37%) Docker
2 12 (23.53%) VMware Infrastructure
3 10 (19.61%) Active Directory
4 5 (9.80%) KVM
5 4 (7.84%) Postfix
6 3 (5.88%) Hyper-V
7 2 (3.92%) VirtualBox
7 2 (3.92%) vSphere
8 1 (1.96%) Apache ZooKeeper
8 1 (1.96%) Ceph
8 1 (1.96%) Firmware
8 1 (1.96%) HDFS
8 1 (1.96%) QEMU
Systems Management
1 27 (52.94%) Ansible
2 21 (41.18%) Terraform
3 17 (33.33%) Kubernetes
4 11 (21.57%) Grafana
5 8 (15.69%) Progress Chef
5 8 (15.69%) Prometheus
5 8 (15.69%) Puppet
6 7 (13.73%) Jamf Pro
6 7 (13.73%) Packer
7 4 (7.84%) Nagios
8 3 (5.88%) Salt
8 3 (5.88%) WSUS
9 2 (3.92%) Icinga
9 2 (3.92%) Nessus
9 2 (3.92%) Red Hat Satellite
10 1 (1.96%) Hadoop YARN
10 1 (1.96%) HAProxy
10 1 (1.96%) Kibana
10 1 (1.96%) SCCM
10 1 (1.96%) WMI
Vendors
1 20 (39.22%) Red Hat
2 15 (29.41%) Oracle
3 14 (27.45%) VMware
4 10 (19.61%) Splunk
5 7 (13.73%) Microsoft
5 7 (13.73%) Okta
6 3 (5.88%) Rackspace
7 2 (3.92%) Cisco
7 2 (3.92%) New Relic
7 2 (3.92%) Zend
8 1 (1.96%) Cloudera
8 1 (1.96%) Dell
8 1 (1.96%) EMC
8 1 (1.96%) HP
8 1 (1.96%) IBM
8 1 (1.96%) Qualys
8 1 (1.96%) Rapid7
8 1 (1.96%) Remedy
8 1 (1.96%) ServiceNow
8 1 (1.96%) Vertica