CentOS Contract Job Trends

CentOS Linux
UK

The table below provides summary statistics and contractor rates for jobs requiring CentOS skills. It covers contract job vacancies from the 6 months leading up to 30 December 2025, with comparisons to the same periods in the previous two years.

6 months to
30 Dec 2025
Same period 2024 Same period 2023
Rank 541 424 501
Rank change year-on-year -117 +77 +67
Contract jobs citing CentOS 49 110 99
As % of all contract jobs in the UK 0.13% 0.33% 0.23%
As % of the Operating Systems category 1.03% 2.36% 1.54%
Number of daily rates quoted 34 55 66
10th Percentile £432 £351 £388
25th Percentile £500 £438 £406
Median daily rate (50th Percentile) £550 £575 £550
Median % change year-on-year -4.35% +4.55% -12.00%
75th Percentile £625 £738 £592
90th Percentile £653 £750 £634
UK excluding London median daily rate £540 £605 £475
% change year-on-year -10.74% +27.37% -20.83%
Number of hourly rates quoted 0 3 2
10th Percentile - £69.91 -
25th Percentile - £85.70 £21.25
Median hourly rate - £112.00 £22.50
Median % change year-on-year - +397.78% -63.41%
75th Percentile - - £23.75
90th Percentile - - -
UK excluding London median hourly rate - £63.79 £22.50
% change year-on-year - +183.49% -62.50%

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 contract job vacancies requiring operating system skills.

Contract vacancies with a requirement for operating system skills 4,751 4,661 6,442
As % of all contract IT jobs advertised in the UK 12.84% 14.00% 14.90%
Number of daily rates quoted 3,106 2,909 4,380
10th Percentile £175 £200 £180
25th Percentile £263 £313 £300
Median daily rate (50th Percentile) £450 £475 £475
Median % change year-on-year -5.26% - -7.32%
75th Percentile £563 £588 £600
90th Percentile £668 £688 £700
UK excluding London median daily rate £410 £425 £430
% change year-on-year -3.53% -1.16% -4.44%
Number of hourly rates quoted 351 174 312
10th Percentile £15.22 £16.33 £14.16
25th Percentile £18.87 £20.96 £17.72
Median hourly rate £25.15 £37.25 £32.25
Median % change year-on-year -32.48% +15.50% +29.00%
75th Percentile £61.75 £65.00 £65.00
90th Percentile £68.00 £70.00 £73.75
UK excluding London median hourly rate £25.15 £31.64 £26.09
% change year-on-year -20.51% +21.27% +18.59%

CentOS
Job Vacancy Trend

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

CentOS job vacancy trend in the UK

CentOS
Daily Rate Trend

Contractor daily rate distribution trend for jobs in the UK citing CentOS.

Contractor daily rate distribution trend for jobs in the UK citing CentOS

CentOS
Daily Rate Histogram

Daily rate distribution for jobs citing CentOS over the 6 months to 30 December 2025.

Daily rate histogram for CentOS in the UK

CentOS
Hourly Rate Trend

Contractor hourly rate distribution trend for jobs in the UK citing CentOS.

Contractor hourly rate distribution trend for jobs in the UK citing CentOS

CentOS
Top 11 Contract Job Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the UK over the 6 months to 30 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
England -104 48 £550 -4.35% 134
UK excluding London -110 28 £540 -10.74% 128
London -27 14 £425 -22.73% 13
South West -3 8 £550 +11.39% 12
Work from Home -23 7 £537 +5.29% 107
East of England - 7 £492 - 25
South East -44 5 £503 -12.61% 31
West Midlands -34 4 £540 +45.95% 15
Midlands -49 4 £540 +45.95% 30
Yorkshire -52 4 £525 -27.59% 12
North of England -76 4 £525 -27.59% 23

CentOS
Co-Occurring Skills & Capabilities 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 3 (6.12%) Apache
1 3 (6.12%) Microsoft Exchange
2 2 (4.08%) Oracle HTTP Server
2 2 (4.08%) Tomcat
2 2 (4.08%) WebLogic
3 1 (2.04%) Apache Spark
3 1 (2.04%) OpenStack
3 1 (2.04%) SharePoint
Applications
1 3 (6.12%) Microsoft Office
Business Applications
1 1 (2.04%) Remedy ITSM
Cloud Services
1 17 (34.69%) AWS
2 10 (20.41%) Azure
3 9 (18.37%) GCP
4 6 (12.24%) Amazon ECS
4 6 (12.24%) AWS CloudFormation
4 6 (12.24%) AWS Fargate
4 6 (12.24%) Entra ID
4 6 (12.24%) OpenShift
4 6 (12.24%) Virtual Private Cloud
5 5 (10.20%) GitHub
5 5 (10.20%) npm
6 2 (4.08%) Microsoft 365
7 1 (2.04%) Amazon S3
7 1 (2.04%) IaaS
Communications & Networking
1 14 (28.57%) DNS
2 6 (12.24%) DHCP
2 6 (12.24%) Firewall
3 5 (10.20%) AMQP
4 4 (8.16%) DKIM
4 4 (8.16%) DMARC
4 4 (8.16%) SAN
4 4 (8.16%) SMTP
4 4 (8.16%) TCP/IP
5 3 (6.12%) Skype
6 2 (4.08%) HTTP
6 2 (4.08%) NAS
6 2 (4.08%) SSL
6 2 (4.08%) VLAN
7 1 (2.04%) Asterisk PBX
7 1 (2.04%) Kerberos
7 1 (2.04%) RTP
7 1 (2.04%) VoIP
7 1 (2.04%) VPN
7 1 (2.04%) VXLAN
Database & Business Intelligence
1 6 (12.24%) MongoDB
1 6 (12.24%) RDBMS
1 6 (12.24%) Relational Database
2 4 (8.16%) Amazon RDS
3 3 (6.12%) Elasticsearch
4 1 (2.04%) Apache Hive
4 1 (2.04%) Hadoop
4 1 (2.04%) Impala
4 1 (2.04%) InfluxDB
Development Applications
1 10 (20.41%) Jenkins
2 9 (18.37%) GitLab
3 8 (16.33%) Git
4 5 (10.20%) Maven
5 4 (8.16%) Terragrunt
6 1 (2.04%) JIRA
General
1 13 (26.53%) Social Skills
2 10 (20.41%) Analytical Skills
3 7 (14.29%) Documentation Skills
3 7 (14.29%) Finance
4 5 (10.20%) Financial Institution
5 3 (6.12%) Aerospace
5 3 (6.12%) Public Sector
6 1 (2.04%) Billing
6 1 (2.04%) Inclusion and Diversity
6 1 (2.04%) Telecoms
Job Titles
1 8 (16.33%) Lead
2 7 (14.29%) Administrator
3 6 (12.24%) DevOps Engineer
4 5 (10.20%) Developer
4 5 (10.20%) Lead DevOps
4 5 (10.20%) Lead DevOps Engineer
4 5 (10.20%) Support Engineer
5 4 (8.16%) Applications Engineer
5 4 (8.16%) Applications Support
5 4 (8.16%) Applications Support Engineer
5 4 (8.16%) Infrastructure Engineer
5 4 (8.16%) Linux Engineer
5 4 (8.16%) Wintel Engineer
6 3 (6.12%) Architect
6 3 (6.12%) AWS Engineer
6 3 (6.12%) Full-Stack Developer
6 3 (6.12%) Infrastructure Architect
6 3 (6.12%) Kafka Engineer
6 3 (6.12%) Linux Administrator
6 3 (6.12%) Linux Developer
Libraries, Frameworks & Software Standards
1 8 (16.33%) LDAP
2 7 (14.29%) Kafka
2 7 (14.29%) Keycloak
3 6 (12.24%) cloud-init
4 5 (10.20%) Middleware
5 4 (8.16%) AWS CDK
5 4 (8.16%) Node.js
5 4 (8.16%) React
6 3 (6.12%) AngularJS
6 3 (6.12%) CSS
6 3 (6.12%) Electron
6 3 (6.12%) HTML
6 3 (6.12%) JNI
6 3 (6.12%) YAML
7 1 (2.04%) Apache NiFi
7 1 (2.04%) Django
7 1 (2.04%) FreeSWITCH
7 1 (2.04%) Loki
7 1 (2.04%) OpenID
7 1 (2.04%) REST
Miscellaneous
1 9 (18.37%) Data Centre
1 9 (18.37%) PKI
2 6 (12.24%) Hedge funds
3 5 (10.20%) Legacy Applications
4 3 (6.12%) Cloud Native
4 3 (6.12%) Management Information System
4 3 (6.12%) SCADA
5 2 (4.08%) Distributed Systems
5 2 (4.08%) Enterprise Storage
5 2 (4.08%) Hybrid Cloud
5 2 (4.08%) Linux Command Line
6 1 (2.04%) Client/Server
6 1 (2.04%) CUDA
6 1 (2.04%) Data Protection Act
6 1 (2.04%) Eurex
6 1 (2.04%) Onboarding
6 1 (2.04%) Private Cloud
6 1 (2.04%) Public Cloud
6 1 (2.04%) SWIFT Messaging Network
Operating Systems
1 49 (100.00%) Linux
2 33 (67.35%) Red Hat Enterprise Linux
3 20 (40.82%) Ubuntu
4 13 (26.53%) Unix
5 12 (24.49%) Windows
5 12 (24.49%) Windows Server
6 4 (8.16%) Mac OS
7 3 (6.12%) Oracle Linux
7 3 (6.12%) Windows 10
7 3 (6.12%) Windows Server 2012
8 2 (4.08%) Windows Server 2016
8 2 (4.08%) Windows Server 2019
9 1 (2.04%) Windows Server 2003
Processes & Methodologies
1 22 (44.90%) CI/CD
2 16 (32.65%) Problem-Solving
3 15 (30.61%) DevOps
4 13 (26.53%) Infrastructure as Code
5 11 (22.45%) Containerisation
5 11 (22.45%) High Availability
6 9 (18.37%) Continuous Improvement
7 8 (16.33%) Microservices
7 8 (16.33%) Task Automation
8 7 (14.29%) Infrastructure Engineering
8 7 (14.29%) Load Balancing
8 7 (14.29%) Observability
9 6 (12.24%) Incident Response
9 6 (12.24%) ITIL
9 6 (12.24%) Root Cause Analysis
9 6 (12.24%) Test Automation
10 5 (10.20%) Configuration Management
10 5 (10.20%) Disaster Recovery
10 5 (10.20%) RBAC
10 5 (10.20%) Site Reliability Engineering
Programming Languages
1 28 (57.14%) Python
2 22 (44.90%) Bash
3 13 (26.53%) Shell Script
4 10 (20.41%) PowerShell
5 9 (18.37%) Java
6 8 (16.33%) Go
6 8 (16.33%) Perl
7 4 (8.16%) C
7 4 (8.16%) JavaScript
7 4 (8.16%) SQL
8 3 (6.12%) MATLAB
8 3 (6.12%) Ruby
9 1 (2.04%) C#
Qualifications
1 21 (42.86%) Security Cleared
2 14 (28.57%) SC Cleared
3 10 (20.41%) RHCE
4 7 (14.29%) DV Cleared
5 5 (10.20%) RHCSA
6 3 (6.12%) AWS Certification
6 3 (6.12%) Degree
6 3 (6.12%) MCSE
6 3 (6.12%) Microsoft Certification
7 2 (4.08%) AWS Certified Solutions Architect
8 1 (2.04%) BPSS Clearance
Quality Assurance & Compliance
1 6 (12.24%) NCSC
2 3 (6.12%) SLA
3 1 (2.04%) ISO/IEC 27001
3 1 (2.04%) NIST
3 1 (2.04%) PCI DSS
System Software
1 11 (22.45%) Active Directory
1 11 (22.45%) Docker
2 8 (16.33%) VMware Infrastructure
3 5 (10.20%) KVM
4 4 (8.16%) Postfix
5 2 (4.08%) Hyper-V
5 2 (4.08%) vSphere
6 1 (2.04%) Apache ZooKeeper
6 1 (2.04%) Ceph
6 1 (2.04%) Firmware
6 1 (2.04%) HDFS
6 1 (2.04%) QEMU
Systems Management
1 28 (57.14%) Ansible
2 17 (34.69%) Terraform
3 15 (30.61%) Kubernetes
4 9 (18.37%) Grafana
5 7 (14.29%) Prometheus
5 7 (14.29%) Puppet
6 6 (12.24%) Jamf Pro
6 6 (12.24%) Packer
7 5 (10.20%) Red Hat Satellite
8 4 (8.16%) Progress Chef
9 3 (6.12%) Check_MK
9 3 (6.12%) Podman
9 3 (6.12%) WSUS
10 2 (4.08%) Nagios
10 2 (4.08%) Nessus
11 1 (2.04%) Hadoop YARN
11 1 (2.04%) HAProxy
11 1 (2.04%) Kibana
11 1 (2.04%) SCCM
11 1 (2.04%) vCenter Server
Vendors
1 25 (51.02%) Red Hat
2 13 (26.53%) Oracle
2 13 (26.53%) VMware
3 9 (18.37%) Splunk
4 6 (12.24%) Okta
5 5 (10.20%) Microsoft
6 2 (4.08%) Cisco
7 1 (2.04%) Bloomberg
7 1 (2.04%) Cloudera
7 1 (2.04%) Dell
7 1 (2.04%) Dialogic
7 1 (2.04%) EMC
7 1 (2.04%) HP
7 1 (2.04%) Metaswitch
7 1 (2.04%) NVIDIA
7 1 (2.04%) Rapid7
7 1 (2.04%) Remedy
7 1 (2.04%) ServiceNow
7 1 (2.04%) Tanium
7 1 (2.04%) Tenable