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 17 April 2026, with comparisons to the same periods in the previous two years.

6 months to
17 Apr 2026
Same period 2025 Same period 2024
Rank 592 456 506
Rank change year-on-year -136 +50 -5
Contract jobs citing CentOS 40 76 83
As % of all contract jobs in the UK 0.087% 0.26% 0.19%
As % of the Operating Systems category 0.85% 1.86% 1.40%
Number of daily rates quoted 36 49 53
10th Percentile £461 £404 £313
25th Percentile £492 £500 £456
Median daily rate (50th Percentile) £525 £650 £500
Median % change year-on-year -19.23% +30.00% -20.00%
75th Percentile £546 £738 £550
90th Percentile £600 £750 £588
UK excluding London median daily rate £525 £650 £463
% change year-on-year -19.23% +40.54% -22.92%
Number of hourly rates quoted 0 0 3
10th Percentile - - -
25th Percentile - - £21.25
Median hourly rate - - £22.50
75th Percentile - - £23.75
90th Percentile - - -
UK excluding London median hourly rate - - £22.50
% change year-on-year - - +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 4,709 4,089 5,935
As % of all contract IT jobs advertised in the UK 10.23% 13.93% 13.53%
Number of daily rates quoted 3,074 2,724 3,988
10th Percentile £181 £200 £183
25th Percentile £309 £320 £288
Median daily rate (50th Percentile) £450 £475 £463
Median % change year-on-year -5.26% +2.70% -9.76%
75th Percentile £575 £600 £594
90th Percentile £659 £699 £700
UK excluding London median daily rate £425 £450 £450
% change year-on-year -5.56% - -5.26%
Number of hourly rates quoted 322 174 408
10th Percentile £15.50 £16.33 £12.75
25th Percentile £19.81 £18.13 £15.44
Median hourly rate £30.24 £24.42 £22.00
Median % change year-on-year +23.83% +11.00% -24.91%
75th Percentile £66.69 £62.50 £57.50
90th Percentile £75.00 £68.00 £66.98
UK excluding London median hourly rate £31.74 £24.18 £20.00
% change year-on-year +31.27% +20.90% -24.53%

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 17 April 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 13 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 17 April 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 -142 39 £525 -19.23% 24
UK excluding London -102 33 £525 -19.23% 18
North of England -83 10 £525 -27.59% 7
Yorkshire -57 9 £531 -26.76% 4
East of England - 9 £478 - 1
Work from Home -39 6 £537 -2.36% 8
South West -27 5 £625 +47.06% 2
Midlands -70 5 £539 - 3
West Midlands -56 4 £540 - 1
South East -67 4 £563 -2.17% 5
London -92 4 £475 -28.30% 8
East Midlands -32 1 £530 - 2
North West -41 1 £300 -48.94% 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 (7.50%) Microsoft Exchange
2 2 (5.00%) Apache
3 1 (2.50%) Apache Spark
3 1 (2.50%) nginx
3 1 (2.50%) OpenStack
3 1 (2.50%) SharePoint
3 1 (2.50%) Tomcat
Applications
1 2 (5.00%) Microsoft Office
Cloud Services
1 7 (17.50%) Azure
2 4 (10.00%) AWS
2 4 (10.00%) OpenShift
3 2 (5.00%) GCP
3 2 (5.00%) Microsoft 365
3 2 (5.00%) npm
4 1 (2.50%) Azure Key Vault
4 1 (2.50%) GitHub
4 1 (2.50%) IaaS
4 1 (2.50%) PaaS
4 1 (2.50%) SaaS
Communications & Networking
1 4 (10.00%) DKIM
1 4 (10.00%) DMARC
1 4 (10.00%) SMTP
2 3 (7.50%) DNS
2 3 (7.50%) SAN
3 2 (5.00%) AMQP
3 2 (5.00%) Skype
4 1 (2.50%) Cisco IOS
4 1 (2.50%) DHCP
4 1 (2.50%) Ethernet
4 1 (2.50%) Firewall
4 1 (2.50%) InfiniBand
4 1 (2.50%) iSCSI
4 1 (2.50%) Kerberos
4 1 (2.50%) LAN
4 1 (2.50%) NAS
4 1 (2.50%) Remote Desktop
4 1 (2.50%) VLAN
4 1 (2.50%) VXLAN
4 1 (2.50%) WAN
Database & Business Intelligence
1 2 (5.00%) RDBMS
1 2 (5.00%) Relational Database
2 1 (2.50%) Apache Hive
2 1 (2.50%) Hadoop
2 1 (2.50%) Impala
2 1 (2.50%) MySQL
2 1 (2.50%) PostgreSQL
2 1 (2.50%) SQL Server
Development Applications
1 11 (27.50%) Git
2 10 (25.00%) GitLab
3 9 (22.50%) Jenkins
4 2 (5.00%) Maven
4 2 (5.00%) Robot Framework
5 1 (2.50%) GoCD
5 1 (2.50%) Sonatype Nexus
General
1 18 (45.00%) Documentation Skills
2 13 (32.50%) Social Skills
3 7 (17.50%) Aerospace
4 4 (10.00%) Analytical Skills
5 1 (2.50%) Organisational Skills
Job Titles
1 10 (25.00%) Administrator
2 9 (22.50%) Linux Administrator
3 8 (20.00%) Lead
4 4 (10.00%) Linux Engineer
5 3 (7.50%) Architect
6 2 (5.00%) Applications Engineer
6 2 (5.00%) Applications Support
6 2 (5.00%) Applications Support Engineer
6 2 (5.00%) Infrastructure Engineer
6 2 (5.00%) Senior
6 2 (5.00%) Support Engineer
6 2 (5.00%) Technical Leader
6 2 (5.00%) Wintel Engineer
7 1 (2.50%) Azure Architect
7 1 (2.50%) Cloud Administrator
7 1 (2.50%) Integration Engineer
7 1 (2.50%) Site Engineer
7 1 (2.50%) Site Reliability Engineer
7 1 (2.50%) Windows Engineer
7 1 (2.50%) Windows Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 13 (32.50%) LDAP
2 10 (25.00%) Middleware
3 8 (20.00%) YAML
4 1 (2.50%) Kafka
Miscellaneous
1 11 (27.50%) Data Centre
2 9 (22.50%) Management Information System
3 4 (10.00%) PKI
4 3 (7.50%) Hybrid Cloud
4 3 (7.50%) SCADA
5 2 (5.00%) Public Cloud
6 1 (2.50%) Distributed Systems
6 1 (2.50%) Grid Computing
6 1 (2.50%) Onboarding
6 1 (2.50%) Private Cloud
6 1 (2.50%) Video Conferencing
Operating Systems
1 40 (100.00%) Linux
2 34 (85.00%) Red Hat Enterprise Linux
3 21 (52.50%) Ubuntu
4 8 (20.00%) Windows
5 6 (15.00%) Windows Server
6 2 (5.00%) Windows 10
6 2 (5.00%) Windows Server 2012
7 1 (2.50%) Android
7 1 (2.50%) Mac OS
7 1 (2.50%) Rocky
7 1 (2.50%) Unix
7 1 (2.50%) Windows Server 2016
Processes & Methodologies
1 14 (35.00%) CI/CD
2 12 (30.00%) DevOps
2 12 (30.00%) Problem-Solving
3 10 (25.00%) Continuous Improvement
4 9 (22.50%) Information Management
4 9 (22.50%) Infrastructure Monitoring
4 9 (22.50%) RBAC
5 8 (20.00%) ITSM
6 7 (17.50%) High Availability
7 5 (12.50%) Infrastructure Engineering
7 5 (12.50%) Load Balancing
8 4 (10.00%) Agile
8 4 (10.00%) Infrastructure as Code
8 4 (10.00%) Root Cause Analysis
8 4 (10.00%) SIEM
8 4 (10.00%) Test Automation
9 3 (7.50%) Change Management
9 3 (7.50%) ITIL
9 3 (7.50%) Site Reliability Engineering
9 3 (7.50%) Task Automation
Programming Languages
1 18 (45.00%) Python
2 11 (27.50%) Shell Script
3 9 (22.50%) Bash
3 9 (22.50%) MATLAB
4 8 (20.00%) Perl
4 8 (20.00%) Ruby
5 7 (17.50%) PowerShell
6 2 (5.00%) Java
6 2 (5.00%) SQL
Qualifications
1 21 (52.50%) Security Cleared
2 15 (37.50%) SC Cleared
3 10 (25.00%) RHCE
4 6 (15.00%) DV Cleared
5 3 (7.50%) Degree
6 2 (5.00%) MCSE
6 2 (5.00%) Microsoft Certification
7 1 (2.50%) BPSS Clearance
7 1 (2.50%) RHCA
7 1 (2.50%) RHCSA
Quality Assurance & Compliance
1 9 (22.50%) SLA
2 2 (5.00%) ISO/IEC 27001
3 1 (2.50%) HMG Security Policy Framework
3 1 (2.50%) NCSC
3 1 (2.50%) NIST
System Software
1 15 (37.50%) Active Directory
2 7 (17.50%) VMware Infrastructure
3 5 (12.50%) Docker
3 5 (12.50%) Postfix
4 2 (5.00%) vSphere
5 1 (2.50%) Apache ZooKeeper
5 1 (2.50%) Ceph
5 1 (2.50%) Citrix Hypervisor
5 1 (2.50%) GPFS
5 1 (2.50%) HDFS
5 1 (2.50%) Hyper-V
5 1 (2.50%) KVM
5 1 (2.50%) Lustre
5 1 (2.50%) QEMU
5 1 (2.50%) Samba
5 1 (2.50%) Slurm Workload Manager
5 1 (2.50%) Varnish
Systems Management
1 29 (72.50%) Ansible
2 10 (25.00%) Puppet
3 9 (22.50%) Check_MK
3 9 (22.50%) Podman
3 9 (22.50%) Red Hat Satellite
3 9 (22.50%) Terraform
4 3 (7.50%) Grafana
4 3 (7.50%) Kubernetes
5 2 (5.00%) WSUS
6 1 (2.50%) Apache Ranger
6 1 (2.50%) FreeIPA
6 1 (2.50%) Hadoop YARN
6 1 (2.50%) HAProxy
6 1 (2.50%) Jamf Pro
6 1 (2.50%) Nessus
6 1 (2.50%) Progress Chef
6 1 (2.50%) Prometheus
6 1 (2.50%) SCOM
6 1 (2.50%) vCenter Server
Vendors
1 24 (60.00%) Red Hat
2 16 (40.00%) VMware
3 10 (25.00%) Microsoft
4 2 (5.00%) Oracle
5 1 (2.50%) Apple
5 1 (2.50%) Cisco
5 1 (2.50%) Citrix
5 1 (2.50%) Cloudera
5 1 (2.50%) D-Link
5 1 (2.50%) Foundry