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 9 March 2026, with comparisons to the same periods in the previous two years.

6 months to
9 Mar 2026
Same period 2025 Same period 2024
Rank 563 421 519
Rank change year-on-year -142 +98 +9
Contract jobs citing CentOS 49 101 83
As % of all contract jobs in the UK 0.12% 0.34% 0.19%
As % of the Operating Systems category 1.03% 2.38% 1.36%
Number of daily rates quoted 40 52 53
10th Percentile £464 £382 £313
25th Percentile £500 £472 £456
Median daily rate (50th Percentile) £537 £600 £510
Median % change year-on-year -10.50% +17.65% -21.54%
75th Percentile £578 £738 £575
90th Percentile £626 £750 £600
UK excluding London median daily rate £537 £650 £463
% change year-on-year -17.38% +40.54% -26.00%
Number of hourly rates quoted 0 3 3
10th Percentile - £69.91 -
25th Percentile - £85.70 £21.25
Median hourly rate - £112.00 £22.50
Median % change year-on-year - +397.78% +20.10%
75th Percentile - - £23.75
90th Percentile - - -
UK excluding London median hourly rate - £63.79 £22.50
% change year-on-year - +183.49% +28.79%

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 4,765 4,246 6,108
As % of all contract IT jobs advertised in the UK 11.28% 14.27% 13.66%
Number of daily rates quoted 3,131 2,757 4,070
10th Percentile £180 £200 £180
25th Percentile £275 £317 £280
Median daily rate (50th Percentile) £445 £475 £450
Median % change year-on-year -6.32% +5.56% -12.37%
75th Percentile £565 £595 £588
90th Percentile £658 £699 £700
UK excluding London median daily rate £413 £438 £425
% change year-on-year -5.71% +2.94% -10.53%
Number of hourly rates quoted 351 156 415
10th Percentile £15.00 £16.38 £13.29
25th Percentile £18.12 £19.63 £15.58
Median hourly rate £23.00 £28.71 £22.50
Median % change year-on-year -19.87% +27.58% -15.09%
75th Percentile £60.00 £65.00 £60.00
90th Percentile £70.00 £68.75 £70.00
UK excluding London median hourly rate £22.58 £24.83 £22.50
% change year-on-year -9.08% +10.36% -13.46%

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 9 March 2026.

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 12 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 9 March 2026. 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 -123 48 £537 -6.61% 51
UK excluding London -118 37 £537 -17.38% 52
North of England -72 10 £525 -27.59% 5
Yorkshire -61 9 £531 -26.76% 4
South West -23 8 £588 - 8
East of England - 8 £478 - 8
South East -66 7 £515 -10.43% 19
Work from Home -45 6 £537 -2.36% 40
London -54 6 £525 -6.25% 4
West Midlands -62 4 £540 +45.95% 6
Midlands -69 4 £540 +45.95% 7
North West -35 1 £300 -29.41% 1

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
Applications
1 3 (6.12%) Microsoft Office
Cloud Services
1 11 (22.45%) AWS
2 10 (20.41%) Azure
3 7 (14.29%) GCP
4 6 (12.24%) OpenShift
5 4 (8.16%) npm
6 3 (6.12%) Amazon ECS
6 3 (6.12%) AWS CloudFormation
6 3 (6.12%) AWS Fargate
6 3 (6.12%) Entra ID
6 3 (6.12%) GitHub
6 3 (6.12%) Virtual Private Cloud
7 1 (2.04%) Azure Key Vault
7 1 (2.04%) IaaS
7 1 (2.04%) Microsoft 365
7 1 (2.04%) PaaS
7 1 (2.04%) SaaS
Communications & Networking
1 9 (18.37%) DNS
2 5 (10.20%) Firewall
3 4 (8.16%) AMQP
3 4 (8.16%) DKIM
3 4 (8.16%) DMARC
3 4 (8.16%) SMTP
4 3 (6.12%) DHCP
4 3 (6.12%) Skype
5 2 (4.08%) HTTP
5 2 (4.08%) SAN
5 2 (4.08%) SSL
5 2 (4.08%) TCP/IP
6 1 (2.04%) Asterisk PBX
6 1 (2.04%) InfiniBand
6 1 (2.04%) iSCSI
6 1 (2.04%) Kerberos
6 1 (2.04%) Remote Desktop
6 1 (2.04%) RTP
6 1 (2.04%) VLAN
6 1 (2.04%) VXLAN
Database & Business Intelligence
1 5 (10.20%) RDBMS
1 5 (10.20%) Relational Database
2 3 (6.12%) Amazon RDS
2 3 (6.12%) MongoDB
3 1 (2.04%) Apache Hive
3 1 (2.04%) Elasticsearch
3 1 (2.04%) Hadoop
3 1 (2.04%) Impala
3 1 (2.04%) MySQL
3 1 (2.04%) PostgreSQL
3 1 (2.04%) SQL Server
Development Applications
1 11 (22.45%) Git
2 10 (20.41%) GitLab
2 10 (20.41%) Jenkins
3 4 (8.16%) Maven
4 3 (6.12%) Terragrunt
5 2 (4.08%) Robot Framework
6 1 (2.04%) GoCD
6 1 (2.04%) Sonatype Nexus
General
1 16 (32.65%) Documentation Skills
2 15 (30.61%) Social Skills
3 10 (20.41%) Analytical Skills
4 5 (10.20%) Aerospace
5 1 (2.04%) Billing
5 1 (2.04%) Finance
5 1 (2.04%) Financial Institution
5 1 (2.04%) Organisational Skills
5 1 (2.04%) Telecoms
Job Titles
1 11 (22.45%) Lead
2 9 (18.37%) Administrator
3 7 (14.29%) Linux Administrator
4 4 (8.16%) Applications Engineer
4 4 (8.16%) Applications Support
4 4 (8.16%) Applications Support Engineer
4 4 (8.16%) Architect
4 4 (8.16%) Support Engineer
5 3 (6.12%) AWS DevOps
5 3 (6.12%) AWS DevOps Engineer
5 3 (6.12%) AWS Engineer
5 3 (6.12%) DevOps Engineer
5 3 (6.12%) Infrastructure Architect
5 3 (6.12%) Kafka Engineer
5 3 (6.12%) Lead DevOps
5 3 (6.12%) Lead DevOps Engineer
5 3 (6.12%) Linux Engineer
5 3 (6.12%) Wintel Engineer
6 2 (4.08%) Cloud Architect
6 2 (4.08%) Cloud Infrastructure Architect
Libraries, Frameworks & Software Standards
1 12 (24.49%) LDAP
2 10 (20.41%) Middleware
3 8 (16.33%) YAML
4 4 (8.16%) Kafka
5 3 (6.12%) AWS CDK
5 3 (6.12%) cloud-init
5 3 (6.12%) Keycloak
6 2 (4.08%) Node.js
7 1 (2.04%) AngularJS
7 1 (2.04%) CSS
7 1 (2.04%) Electron
7 1 (2.04%) FreeSWITCH
7 1 (2.04%) HTML
7 1 (2.04%) JNI
7 1 (2.04%) React
7 1 (2.04%) REST
Miscellaneous
1 11 (22.45%) Data Centre
2 8 (16.33%) PKI
3 7 (14.29%) Management Information System
4 3 (6.12%) Legacy Applications
4 3 (6.12%) SCADA
5 2 (4.08%) Cloud Native
5 2 (4.08%) Distributed Systems
5 2 (4.08%) Hybrid Cloud
5 2 (4.08%) Onboarding
5 2 (4.08%) Public Cloud
6 1 (2.04%) Client/Server
6 1 (2.04%) CUDA
6 1 (2.04%) Grid Computing
6 1 (2.04%) Hedge funds
6 1 (2.04%) Private Cloud
Operating Systems
1 49 (100.00%) Linux
2 39 (79.59%) Red Hat Enterprise Linux
3 24 (48.98%) Ubuntu
4 9 (18.37%) Unix
5 8 (16.33%) Windows
5 8 (16.33%) Windows Server
6 3 (6.12%) Windows 10
6 3 (6.12%) Windows Server 2012
7 1 (2.04%) Mac OS
7 1 (2.04%) Oracle Linux
7 1 (2.04%) Rocky
7 1 (2.04%) Windows Server 2016
Processes & Methodologies
1 21 (42.86%) CI/CD
2 18 (36.73%) DevOps
3 14 (28.57%) Continuous Improvement
3 14 (28.57%) Problem-Solving
4 11 (22.45%) High Availability
5 10 (20.41%) RBAC
6 9 (18.37%) Infrastructure as Code
7 8 (16.33%) Containerisation
7 8 (16.33%) ITSM
7 8 (16.33%) Task Automation
8 7 (14.29%) Information Management
8 7 (14.29%) Infrastructure Monitoring
8 7 (14.29%) Load Balancing
8 7 (14.29%) Microservices
9 6 (12.24%) Infrastructure Engineering
9 6 (12.24%) Test Automation
10 5 (10.20%) Incident Response
10 5 (10.20%) ITIL
10 5 (10.20%) Root Cause Analysis
10 5 (10.20%) Site Reliability Engineering
Programming Languages
1 24 (48.98%) Python
2 15 (30.61%) Bash
3 12 (24.49%) Shell Script
4 11 (22.45%) Perl
5 8 (16.33%) PowerShell
5 8 (16.33%) Ruby
6 7 (14.29%) MATLAB
7 5 (10.20%) Java
8 3 (6.12%) Go
8 3 (6.12%) SQL
9 1 (2.04%) C
9 1 (2.04%) JavaScript
Qualifications
1 24 (48.98%) Security Cleared
2 16 (32.65%) SC Cleared
3 14 (28.57%) RHCE
4 8 (16.33%) DV Cleared
5 3 (6.12%) Degree
5 3 (6.12%) MCSE
5 3 (6.12%) Microsoft Certification
5 3 (6.12%) RHCSA
6 2 (4.08%) AWS Certification
6 2 (4.08%) AWS Certified Solutions Architect
7 1 (2.04%) BPSS Clearance
7 1 (2.04%) RHCA
Quality Assurance & Compliance
1 7 (14.29%) SLA
2 4 (8.16%) NCSC
3 1 (2.04%) HMG Security Policy Framework
3 1 (2.04%) ISO/IEC 27001
3 1 (2.04%) NIST
System Software
1 14 (28.57%) Active Directory
2 10 (20.41%) Docker
3 7 (14.29%) VMware Infrastructure
4 5 (10.20%) Postfix
5 3 (6.12%) KVM
6 2 (4.08%) vSphere
7 1 (2.04%) Apache ZooKeeper
7 1 (2.04%) Ceph
7 1 (2.04%) Citrix Hypervisor
7 1 (2.04%) Firmware
7 1 (2.04%) GPFS
7 1 (2.04%) HDFS
7 1 (2.04%) Hyper-V
7 1 (2.04%) Lustre
7 1 (2.04%) QEMU
7 1 (2.04%) Samba
7 1 (2.04%) Slurm Workload Manager
7 1 (2.04%) Varnish
Systems Management
1 35 (71.43%) Ansible
2 14 (28.57%) Terraform
3 11 (22.45%) Kubernetes
3 11 (22.45%) Puppet
4 7 (14.29%) Check_MK
4 7 (14.29%) Podman
4 7 (14.29%) Red Hat Satellite
5 6 (12.24%) Grafana
6 3 (6.12%) Jamf Pro
6 3 (6.12%) Packer
6 3 (6.12%) Progress Chef
6 3 (6.12%) Prometheus
6 3 (6.12%) WSUS
7 2 (4.08%) HAProxy
7 2 (4.08%) Nagios
8 1 (2.04%) FreeIPA
8 1 (2.04%) Hadoop YARN
8 1 (2.04%) Kibana
8 1 (2.04%) Nessus
8 1 (2.04%) SCOM
Vendors
1 25 (51.02%) Red Hat
2 15 (30.61%) VMware
3 9 (18.37%) Microsoft
4 8 (16.33%) Oracle
5 6 (12.24%) Splunk
6 3 (6.12%) Okta
7 1 (2.04%) Cisco
7 1 (2.04%) Citrix
7 1 (2.04%) Cloudera
7 1 (2.04%) Dell
7 1 (2.04%) Dialogic
7 1 (2.04%) D-Link
7 1 (2.04%) Foundry
7 1 (2.04%) HP
7 1 (2.04%) Metaswitch
7 1 (2.04%) NVIDIA