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 21 May 2026, with comparisons to the same periods in the previous two years.

6 months to
21 May 2026
Same period 2025 Same period 2024
Rank 589 469 503
Rank change year-on-year -120 +34 -5
Contract jobs citing CentOS 41 57 76
As % of all contract jobs in the UK 0.085% 0.20% 0.18%
As % of the Operating Systems category 0.88% 1.41% 1.34%
Number of daily rates quoted 36 35 52
10th Percentile £376 £350 £313
25th Percentile £464 £413 £449
Median daily rate (50th Percentile) £503 £550 £500
Median % change year-on-year -8.64% +10.00% -16.67%
75th Percentile £538 £720 £529
90th Percentile £588 £750 £586
UK excluding London median daily rate £500 £563 £325
% change year-on-year -11.11% +73.08% -43.48%
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 4,658 4,045 5,687
As % of all contract IT jobs advertised in the UK 9.65% 13.90% 13.37%
Number of daily rates quoted 2,988 2,657 3,850
10th Percentile £185 £200 £185
25th Percentile £313 £313 £300
Median daily rate (50th Percentile) £456 £467 £466
Median % change year-on-year -2.25% +0.11% -7.33%
75th Percentile £575 £588 £588
90th Percentile £651 £688 £700
UK excluding London median daily rate £450 £450 £450
% change year-on-year -0.11% - -5.26%
Number of hourly rates quoted 321 175 393
10th Percentile £15.62 £15.24 £12.75
25th Percentile £19.25 £17.44 £15.50
Median hourly rate £41.94 £22.00 £22.15
Median % change year-on-year +90.64% -0.68% -43.28%
75th Percentile £65.00 £56.25 £60.75
90th Percentile £74.00 £68.00 £70.00
UK excluding London median hourly rate £41.83 £20.94 £22.50
% change year-on-year +99.74% -6.93% -25.00%

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 21 May 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 21 May 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 -116 40 £503 -8.64% 21
UK excluding London -98 34 £500 -11.11% 20
East of England -17 11 £480 +92.10% 1
North of England -72 10 £531 -7.65% 6
Yorkshire -49 9 £537 -4.58% 3
South West -29 5 £445 +4.71% 2
South East -55 5 £563 -2.17% 9
Work from Home -56 5 £500 -9.09% 5
London -79 4 £475 -13.64% 1
East Midlands -25 3 £530 - 2
Midlands -57 3 £530 - 2
North West -44 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 (7.32%) Apache
2 2 (4.88%) nginx
2 2 (4.88%) SharePoint
2 2 (4.88%) Tomcat
3 1 (2.44%) Apache Spark
3 1 (2.44%) IIS
3 1 (2.44%) Microsoft Exchange
Cloud Services
1 9 (21.95%) Azure
2 8 (19.51%) AWS
3 4 (9.76%) OpenShift
4 3 (7.32%) GitHub
5 2 (4.88%) Microsoft 365
6 1 (2.44%) Amazon CloudWatch
6 1 (2.44%) Amazon EC2
6 1 (2.44%) Amazon S3
6 1 (2.44%) Azure Key Vault
6 1 (2.44%) Azure Stack
6 1 (2.44%) Cloudflare
6 1 (2.44%) GCP
6 1 (2.44%) IaaS
6 1 (2.44%) npm
6 1 (2.44%) PaaS
6 1 (2.44%) SaaS
6 1 (2.44%) Virtual Private Cloud
Communications & Networking
1 7 (17.07%) DNS
2 5 (12.20%) SAN
3 3 (7.32%) Firewall
3 3 (7.32%) NAS
4 2 (4.88%) DHCP
4 2 (4.88%) Kerberos
4 2 (4.88%) TCP/IP
5 1 (2.44%) AMQP
5 1 (2.44%) BIG-IP
5 1 (2.44%) Cisco IOS
5 1 (2.44%) Ethernet
5 1 (2.44%) InfiniBand
5 1 (2.44%) iSCSI
5 1 (2.44%) LAN
5 1 (2.44%) Remote Desktop
5 1 (2.44%) SSH
5 1 (2.44%) VPN
5 1 (2.44%) WAN
Database & Business Intelligence
1 2 (4.88%) MySQL
1 2 (4.88%) SQL Server
2 1 (2.44%) Amazon RDS
2 1 (2.44%) Apache Hive
2 1 (2.44%) Hadoop
2 1 (2.44%) Impala
2 1 (2.44%) PostgreSQL
2 1 (2.44%) RDBMS
2 1 (2.44%) Relational Database
Development Applications
1 15 (36.59%) GitLab
2 13 (31.71%) Git
3 12 (29.27%) Jenkins
4 2 (4.88%) Robot Framework
5 1 (2.44%) GoCD
5 1 (2.44%) Maven
5 1 (2.44%) Sonatype Nexus
General
1 19 (46.34%) Documentation Skills
2 12 (29.27%) Social Skills
3 8 (19.51%) Aerospace
4 1 (2.44%) Analytical Skills
4 1 (2.44%) Organisational Skills
4 1 (2.44%) Public Sector
Job Titles
1 12 (29.27%) Administrator
2 11 (26.83%) Linux Administrator
3 8 (19.51%) Lead
4 5 (12.20%) Infrastructure Engineer
4 5 (12.20%) Linux Engineer
5 3 (7.32%) Architect
5 3 (7.32%) Senior
5 3 (7.32%) Site Engineer
5 3 (7.32%) Site Reliability Engineer
6 2 (4.88%) Technical Leader
7 1 (2.44%) Applications Support
7 1 (2.44%) Applications Support Engineer
7 1 (2.44%) Cloud Engineer
7 1 (2.44%) Desktop Engineer
7 1 (2.44%) Infrastructure Architect
7 1 (2.44%) Installations Engineer
7 1 (2.44%) Integration Engineer
7 1 (2.44%) Platform Engineer
7 1 (2.44%) Support Engineer
7 1 (2.44%) Windows Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 12 (29.27%) LDAP
1 12 (29.27%) Middleware
2 9 (21.95%) YAML
3 1 (2.44%) Elastic Stack
3 1 (2.44%) Kafka
3 1 (2.44%) LAMP
3 1 (2.44%) LEMP Stack
Miscellaneous
1 12 (29.27%) Data Centre
2 10 (24.39%) Management Information System
3 2 (4.88%) Hybrid Cloud
3 2 (4.88%) PKI
3 2 (4.88%) Public Cloud
4 1 (2.44%) Cloud Native
4 1 (2.44%) Data Protection Act
4 1 (2.44%) Distributed Systems
4 1 (2.44%) Grid Computing
4 1 (2.44%) NHS
4 1 (2.44%) Onboarding
4 1 (2.44%) Video Conferencing
Operating Systems
1 41 (100.00%) Linux
2 36 (87.80%) Red Hat Enterprise Linux
3 21 (51.22%) Ubuntu
4 10 (24.39%) Windows
5 6 (14.63%) Windows Server
6 2 (4.88%) Rocky
7 1 (2.44%) Android
7 1 (2.44%) Mac OS
7 1 (2.44%) SUSE
7 1 (2.44%) Unix
7 1 (2.44%) Windows Server 2016
Processes & Methodologies
1 15 (36.59%) CI/CD
2 14 (34.15%) Problem-Solving
3 12 (29.27%) DevOps
4 11 (26.83%) Information Management
4 11 (26.83%) Infrastructure Monitoring
5 10 (24.39%) Continuous Improvement
6 9 (21.95%) RBAC
7 8 (19.51%) Infrastructure Engineering
7 8 (19.51%) ITSM
8 6 (14.63%) Agile
8 6 (14.63%) Infrastructure as Code
9 5 (12.20%) High Availability
10 4 (9.76%) Migration
10 4 (9.76%) Root Cause Analysis
10 4 (9.76%) Site Reliability Engineering
11 3 (7.32%) Analytics
11 3 (7.32%) Configuration Management
11 3 (7.32%) Performance Tuning
11 3 (7.32%) Security Hardening
11 3 (7.32%) Test Automation
Programming Languages
1 17 (41.46%) Python
2 13 (31.71%) Shell Script
3 11 (26.83%) MATLAB
4 8 (19.51%) Perl
4 8 (19.51%) Ruby
5 7 (17.07%) Bash
6 6 (14.63%) PowerShell
7 1 (2.44%) Java
Qualifications
1 22 (53.66%) Security Cleared
2 16 (39.02%) SC Cleared
3 10 (24.39%) RHCE
4 6 (14.63%) DV Cleared
5 1 (2.44%) Degree
5 1 (2.44%) RHCA
5 1 (2.44%) RHCSA
Quality Assurance & Compliance
1 11 (26.83%) SLA
2 2 (4.88%) ISO/IEC 27001
3 1 (2.44%) HMG Security Policy Framework
3 1 (2.44%) NCSC
3 1 (2.44%) NIST
System Software
1 19 (46.34%) Active Directory
2 8 (19.51%) VMware Infrastructure
3 6 (14.63%) Docker
4 2 (4.88%) Hyper-V
4 2 (4.88%) Postfix
4 2 (4.88%) vSphere
5 1 (2.44%) Apache ZooKeeper
5 1 (2.44%) Citrix Hypervisor
5 1 (2.44%) Dovecot
5 1 (2.44%) GPFS
5 1 (2.44%) HDFS
5 1 (2.44%) KVM
5 1 (2.44%) Lustre
5 1 (2.44%) NFS
5 1 (2.44%) Samba
5 1 (2.44%) Slurm Workload Manager
5 1 (2.44%) Varnish
Systems Management
1 34 (82.93%) Ansible
2 12 (29.27%) Terraform
3 11 (26.83%) Check_MK
3 11 (26.83%) Podman
3 11 (26.83%) Puppet
3 11 (26.83%) Red Hat Satellite
4 3 (7.32%) Grafana
4 3 (7.32%) Kubernetes
5 2 (4.88%) HAProxy
5 2 (4.88%) Prometheus
6 1 (2.44%) Active Directory Federation Services
6 1 (2.44%) Apache Ranger
6 1 (2.44%) FreeIPA
6 1 (2.44%) Hadoop YARN
6 1 (2.44%) Jamf Pro
6 1 (2.44%) Nagios
6 1 (2.44%) Nessus
6 1 (2.44%) Progress Chef
6 1 (2.44%) SCOM
6 1 (2.44%) vCenter Server
Vendors
1 26 (63.41%) Red Hat
2 19 (46.34%) VMware
3 11 (26.83%) Microsoft
4 2 (4.88%) Cisco
5 1 (2.44%) Apple
5 1 (2.44%) Citrix
5 1 (2.44%) Cloudera
5 1 (2.44%) D-Link
5 1 (2.44%) F5
5 1 (2.44%) Juniper
5 1 (2.44%) Oracle
5 1 (2.44%) Splunk