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

6 months to
27 May 2026
Same period 2025 Same period 2024
Rank 585 469 505
Rank change year-on-year -116 +36 +18
Contract jobs citing CentOS 43 53 75
As % of all contract jobs in the UK 0.088% 0.19% 0.18%
As % of the Operating Systems category 0.91% 1.34% 1.31%
Number of daily rates quoted 37 35 49
10th Percentile £384 £350 £313
25th Percentile £464 £413 £431
Median daily rate (50th Percentile) £500 £550 £500
Median % change year-on-year -9.09% +10.00% -16.67%
75th Percentile £538 £720 £525
90th Percentile £585 £750 £578
UK excluding London median daily rate £500 £550 £325
% change year-on-year -9.09% +69.23% -40.91%
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

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 4,747 3,957 5,734
As % of all contract IT jobs advertised in the UK 9.74% 13.85% 13.44%
Number of daily rates quoted 3,029 2,607 3,886
10th Percentile £185 £200 £185
25th Percentile £313 £313 £300
Median daily rate (50th Percentile) £459 £467 £470
Median % change year-on-year -1.61% -0.74% -6.00%
75th Percentile £575 £588 £588
90th Percentile £650 £688 £700
UK excluding London median daily rate £450 £450 £450
% change year-on-year - - -3.23%
Number of hourly rates quoted 345 172 401
10th Percentile £15.55 £15.23 £12.75
25th Percentile £19.25 £17.44 £15.50
Median hourly rate £35.22 £21.95 £22.50
Median % change year-on-year +60.46% -2.44% -47.06%
75th Percentile £65.00 £54.06 £60.75
90th Percentile £74.00 £68.00 £70.00
UK excluding London median hourly rate £34.57 £19.00 £22.50
% change year-on-year +81.92% -15.56% -28.00%

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 27 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 27 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 -128 42 £500 -9.09% 17
UK excluding London -100 36 £500 -9.09% 16
East of England -22 11 £480 +92.10%
North of England -70 10 £531 -7.65% 4
Yorkshire -46 9 £537 -4.58% 2
South East -56 7 £525 -4.55% 8
Work from Home -46 6 £475 -13.64% 3
South West -26 5 £445 +4.71% 3
London -90 4 £475 -13.64% 2
East Midlands -29 3 £530 - 1
Midlands -70 3 £530 - 1
North West -46 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 5 (11.63%) Apache
2 4 (9.30%) nginx
2 4 (9.30%) Tomcat
3 3 (6.98%) IIS
3 3 (6.98%) SharePoint
4 1 (2.33%) Apache Spark
4 1 (2.33%) Microsoft Exchange
Cloud Services
1 11 (25.58%) Azure
2 10 (23.26%) AWS
3 4 (9.30%) OpenShift
4 3 (6.98%) Cloudflare
4 3 (6.98%) GitHub
5 2 (4.65%) Microsoft 365
6 1 (2.33%) Amazon CloudWatch
6 1 (2.33%) Amazon EC2
6 1 (2.33%) Amazon S3
6 1 (2.33%) Azure Key Vault
6 1 (2.33%) Azure Stack
6 1 (2.33%) GCP
6 1 (2.33%) IaaS
6 1 (2.33%) npm
6 1 (2.33%) PaaS
6 1 (2.33%) SaaS
6 1 (2.33%) Virtual Private Cloud
Communications & Networking
1 9 (20.93%) DNS
2 5 (11.63%) Firewall
2 5 (11.63%) SAN
3 3 (6.98%) NAS
4 2 (4.65%) BIG-IP
4 2 (4.65%) DHCP
4 2 (4.65%) Kerberos
4 2 (4.65%) TCP/IP
5 1 (2.33%) AMQP
5 1 (2.33%) Cisco IOS
5 1 (2.33%) Ethernet
5 1 (2.33%) InfiniBand
5 1 (2.33%) iSCSI
5 1 (2.33%) LAN
5 1 (2.33%) Remote Desktop
5 1 (2.33%) SSH
5 1 (2.33%) VPN
5 1 (2.33%) WAN
Database & Business Intelligence
1 4 (9.30%) MySQL
1 4 (9.30%) SQL Server
2 1 (2.33%) Amazon RDS
2 1 (2.33%) Apache Hive
2 1 (2.33%) Hadoop
2 1 (2.33%) Impala
2 1 (2.33%) PostgreSQL
2 1 (2.33%) RDBMS
2 1 (2.33%) Relational Database
Development Applications
1 15 (34.88%) GitLab
2 13 (30.23%) Git
3 12 (27.91%) Jenkins
4 2 (4.65%) Robot Framework
5 1 (2.33%) GoCD
5 1 (2.33%) Maven
5 1 (2.33%) Sonatype Nexus
General
1 19 (44.19%) Documentation Skills
2 12 (27.91%) Social Skills
3 8 (18.60%) Aerospace
4 1 (2.33%) Analytical Skills
4 1 (2.33%) Organisational Skills
4 1 (2.33%) Public Sector
Job Titles
1 12 (27.91%) Administrator
2 11 (25.58%) Linux Administrator
3 8 (18.60%) Lead
4 5 (11.63%) Infrastructure Engineer
4 5 (11.63%) Linux Engineer
5 3 (6.98%) Architect
5 3 (6.98%) Cloud Engineer
5 3 (6.98%) Senior
5 3 (6.98%) Site Engineer
5 3 (6.98%) Site Reliability Engineer
6 2 (4.65%) AWS Engineer
6 2 (4.65%) Technical Leader
7 1 (2.33%) Applications Engineer
7 1 (2.33%) AWS Platform Engineer
7 1 (2.33%) Azure Architect
7 1 (2.33%) Cloud Administrator
7 1 (2.33%) Cloud Platform Engineer
7 1 (2.33%) Linux Infrastructure Engineer
7 1 (2.33%) Senior Linux Engineer
7 1 (2.33%) Windows Engineer
Libraries, Frameworks & Software Standards
1 12 (27.91%) LDAP
1 12 (27.91%) Middleware
2 11 (25.58%) YAML
3 3 (6.98%) LAMP
3 3 (6.98%) LEMP Stack
4 1 (2.33%) Elastic Stack
4 1 (2.33%) Kafka
Miscellaneous
1 12 (27.91%) Data Centre
2 10 (23.26%) Management Information System
3 3 (6.98%) Public Cloud
4 2 (4.65%) Hybrid Cloud
4 2 (4.65%) PKI
5 1 (2.33%) Cloud Native
5 1 (2.33%) Data Protection Act
5 1 (2.33%) Distributed Systems
5 1 (2.33%) Grid Computing
5 1 (2.33%) NHS
5 1 (2.33%) Onboarding
5 1 (2.33%) Video Conferencing
Operating Systems
1 43 (100.00%) Linux
2 36 (83.72%) Red Hat Enterprise Linux
3 23 (53.49%) Ubuntu
4 12 (27.91%) Windows
5 8 (18.60%) Windows Server
6 2 (4.65%) Rocky
6 2 (4.65%) Windows Server 2012
6 2 (4.65%) Windows Server 2019
7 1 (2.33%) Android
7 1 (2.33%) Mac OS
7 1 (2.33%) SUSE
7 1 (2.33%) Unix
7 1 (2.33%) Windows Server 2016
Processes & Methodologies
1 15 (34.88%) CI/CD
2 14 (32.56%) Problem-Solving
3 12 (27.91%) DevOps
4 11 (25.58%) Information Management
4 11 (25.58%) Infrastructure Monitoring
5 10 (23.26%) Continuous Improvement
6 9 (20.93%) RBAC
7 8 (18.60%) Infrastructure Engineering
7 8 (18.60%) ITSM
8 6 (13.95%) Agile
8 6 (13.95%) Infrastructure as Code
9 5 (11.63%) High Availability
9 5 (11.63%) Migration
10 4 (9.30%) Root Cause Analysis
10 4 (9.30%) Site Reliability Engineering
11 3 (6.98%) Analytics
11 3 (6.98%) Configuration Management
11 3 (6.98%) Security Hardening
11 3 (6.98%) Test Automation
11 3 (6.98%) User Stories
Programming Languages
1 19 (44.19%) Python
2 13 (30.23%) Shell Script
3 11 (25.58%) MATLAB
4 9 (20.93%) Bash
5 8 (18.60%) Perl
5 8 (18.60%) PowerShell
5 8 (18.60%) Ruby
6 1 (2.33%) Java
Qualifications
1 23 (53.49%) Security Cleared
2 17 (39.53%) SC Cleared
3 10 (23.26%) RHCE
4 6 (13.95%) DV Cleared
5 1 (2.33%) Degree
5 1 (2.33%) RHCA
5 1 (2.33%) RHCSA
Quality Assurance & Compliance
1 11 (25.58%) SLA
2 2 (4.65%) ISO/IEC 27001
3 1 (2.33%) HMG Security Policy Framework
3 1 (2.33%) NCSC
3 1 (2.33%) NIST
System Software
1 21 (48.84%) Active Directory
2 8 (18.60%) VMware Infrastructure
3 6 (13.95%) Docker
4 4 (9.30%) Postfix
5 3 (6.98%) Dovecot
6 2 (4.65%) Hyper-V
6 2 (4.65%) vSphere
7 1 (2.33%) Apache ZooKeeper
7 1 (2.33%) Citrix Hypervisor
7 1 (2.33%) GPFS
7 1 (2.33%) HDFS
7 1 (2.33%) KVM
7 1 (2.33%) Lustre
7 1 (2.33%) NFS
7 1 (2.33%) Samba
7 1 (2.33%) Slurm Workload Manager
7 1 (2.33%) Varnish
Systems Management
1 36 (83.72%) Ansible
2 14 (32.56%) Terraform
3 11 (25.58%) Check_MK
3 11 (25.58%) Podman
3 11 (25.58%) Puppet
3 11 (25.58%) Red Hat Satellite
4 4 (9.30%) HAProxy
5 3 (6.98%) Active Directory Federation Services
5 3 (6.98%) Grafana
5 3 (6.98%) Kubernetes
6 2 (4.65%) Prometheus
7 1 (2.33%) FreeIPA
7 1 (2.33%) Hadoop YARN
7 1 (2.33%) Jamf Pro
7 1 (2.33%) Nagios
7 1 (2.33%) Nessus
7 1 (2.33%) Progress Chef
7 1 (2.33%) SCOM
7 1 (2.33%) vCenter Server
7 1 (2.33%) ZABBIX
Vendors
1 28 (65.12%) Red Hat
2 19 (44.19%) VMware
3 11 (25.58%) Microsoft
4 4 (9.30%) Cisco
5 3 (6.98%) F5
5 3 (6.98%) Juniper
6 1 (2.33%) Apple
6 1 (2.33%) Citrix
6 1 (2.33%) Cloudera
6 1 (2.33%) D-Link
6 1 (2.33%) Oracle
6 1 (2.33%) Splunk