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 3 July 2026, with comparisons to the same periods in the previous two years.

6 months to
3 Jul 2026
Same period 2025 Same period 2024
Rank 603 482 513
Rank change year-on-year -121 +31 -13
Contract jobs citing CentOS 40 57 77
As % of all contract jobs in the UK 0.078% 0.18% 0.18%
As % of the Operating Systems category 0.81% 1.33% 1.30%
Number of daily rates quoted 33 38 55
10th Percentile £355 £351 £313
25th Percentile £464 £407 £456
Median daily rate (50th Percentile) £525 £550 £500
Median % change year-on-year -4.55% +10.00% -15.61%
75th Percentile £588 £594 £538
90th Percentile £600 £672 £583
UK excluding London median daily rate £500 £550 £463
% change year-on-year -9.09% +18.92% -15.91%
Number of hourly rates quoted 0 0 1
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 4,952 4,291 5,921
As % of all contract IT jobs advertised in the UK 9.61% 13.72% 13.62%
Number of daily rates quoted 3,168 2,777 3,890
10th Percentile £190 £200 £190
25th Percentile £313 £313 £313
Median daily rate (50th Percentile) £465 £465 £475
Median % change year-on-year - -2.11% -5.00%
75th Percentile £575 £580 £588
90th Percentile £650 £675 £700
UK excluding London median daily rate £450 £450 £463
% change year-on-year - -2.70% +0.13%
Number of hourly rates quoted 334 222 434
10th Percentile £14.80 £15.50 £12.75
25th Percentile £18.63 £17.44 £16.25
Median hourly rate £26.00 £22.53 £24.68
Median % change year-on-year +15.40% -8.70% -41.94%
75th Percentile £63.75 £41.00 £64.69
90th Percentile £70.00 £65.98 £70.00
UK excluding London median hourly rate £25.89 £19.27 £31.00
% change year-on-year +34.33% -37.84% -7.46%

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 3 July 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 3 July 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 -134 39 £525 -4.55% 21
UK excluding London -97 33 £500 -9.09% 16
East of England -16 12 £487 +33.04% 3
Work from Home -56 7 £481 -12.55% 3
North of England -68 7 £500 +21.14% 4
South East -65 6 £563 +2.27% 2
South West -23 5 £470 -3.59% 6
North West -40 4 £481 +13.06% 4
London -88 4 £525 -4.55% 5
East Midlands -12 3 £530 -
Yorkshire -51 3 £537 +40.30%
Midlands -61 3 £530 - 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 (12.50%) Apache
2 4 (10.00%) nginx
2 4 (10.00%) Tomcat
3 3 (7.50%) IIS
3 3 (7.50%) SharePoint
4 1 (2.50%) Microsoft Exchange
Cloud Services
1 11 (27.50%) AWS
1 11 (27.50%) Azure
2 3 (7.50%) Cloudflare
2 3 (7.50%) GitHub
2 3 (7.50%) OpenShift
3 2 (5.00%) GCP
3 2 (5.00%) SaaS
4 1 (2.50%) Amazon CloudWatch
4 1 (2.50%) Amazon EC2
4 1 (2.50%) Amazon S3
4 1 (2.50%) Azure Key Vault
4 1 (2.50%) Azure Sentinel
4 1 (2.50%) Azure Stack
4 1 (2.50%) Entra ID
4 1 (2.50%) IaaS
4 1 (2.50%) Microsoft 365
4 1 (2.50%) PaaS
4 1 (2.50%) Sentry
4 1 (2.50%) Virtual Private Cloud
Communications & Networking
1 12 (30.00%) DNS
2 8 (20.00%) Firewall
3 7 (17.50%) SAN
4 3 (7.50%) NAS
4 3 (7.50%) VLAN
5 2 (5.00%) BIG-IP
5 2 (5.00%) DHCP
5 2 (5.00%) SSH
5 2 (5.00%) TCP/IP
6 1 (2.50%) Cisco IOS
6 1 (2.50%) Ethernet
6 1 (2.50%) InfiniBand
6 1 (2.50%) iSCSI
6 1 (2.50%) Kerberos
6 1 (2.50%) LAN
6 1 (2.50%) Remote Desktop
6 1 (2.50%) VPN
6 1 (2.50%) WAN
Database & Business Intelligence
1 4 (10.00%) MySQL
1 4 (10.00%) SQL Server
2 1 (2.50%) Amazon RDS
2 1 (2.50%) PostgreSQL
Development Applications
1 12 (30.00%) GitLab
2 10 (25.00%) Git
3 9 (22.50%) Jenkins
4 2 (5.00%) Robot Framework
5 1 (2.50%) GoCD
5 1 (2.50%) Sonatype Nexus
General
1 12 (30.00%) Documentation Skills
2 6 (15.00%) Social Skills
3 5 (12.50%) Aerospace
4 1 (2.50%) Finance
4 1 (2.50%) Organisational Skills
4 1 (2.50%) Public Sector
Job Titles
1 9 (22.50%) Linux Engineer
2 8 (20.00%) Administrator
2 8 (20.00%) Linux Administrator
3 7 (17.50%) Infrastructure Engineer
4 6 (15.00%) Senior
5 3 (7.50%) Cloud Engineer
5 3 (7.50%) Site Engineer
5 3 (7.50%) Site Reliability Engineer
5 3 (7.50%) Unix Engineer
5 3 (7.50%) Unix Linux Engineer
6 2 (5.00%) Architect
6 2 (5.00%) Automation Specialist
6 2 (5.00%) AWS Engineer
6 2 (5.00%) Backup Infrastructure Engineer
6 2 (5.00%) Backup Specialist
6 2 (5.00%) NetApp Specialist
6 2 (5.00%) Senior Data Warehouse Specialist
6 2 (5.00%) Senior Technical Specialist
6 2 (5.00%) Senior Unix Technical Specialist
6 2 (5.00%) Technical Specialist
Libraries, Frameworks & Software Standards
1 10 (25.00%) LDAP
2 9 (22.50%) Middleware
3 6 (15.00%) YAML
4 3 (7.50%) LAMP
4 3 (7.50%) LEMP Stack
5 1 (2.50%) Elastic Stack
5 1 (2.50%) JSON
5 1 (2.50%) OAuth
5 1 (2.50%) OAuth2
5 1 (2.50%) OpenID
5 1 (2.50%) REST
5 1 (2.50%) SailPoint
5 1 (2.50%) SAML
Miscellaneous
1 8 (20.00%) Data Centre
2 7 (17.50%) Management Information System
3 3 (7.50%) Legacy Systems
3 3 (7.50%) Public Cloud
3 3 (7.50%) Replication
4 2 (5.00%) Cloud Native
4 2 (5.00%) Hybrid Cloud
4 2 (5.00%) Onboarding
4 2 (5.00%) PKI
5 1 (2.50%) Data Protection Act
5 1 (2.50%) Grid Computing
5 1 (2.50%) NHS
5 1 (2.50%) Video Conferencing
Operating Systems
1 40 (100.00%) Linux
2 35 (87.50%) Red Hat Enterprise Linux
3 17 (42.50%) Ubuntu
4 16 (40.00%) Windows
5 12 (30.00%) Windows Server
6 6 (15.00%) Rocky
7 5 (12.50%) Unix
8 3 (7.50%) Solaris
9 2 (5.00%) Windows Server 2012
9 2 (5.00%) Windows Server 2019
10 1 (2.50%) Android
10 1 (2.50%) Mac OS
10 1 (2.50%) SUSE
Processes & Methodologies
1 11 (27.50%) Infrastructure Engineering
2 9 (22.50%) CI/CD
3 8 (20.00%) DevOps
3 8 (20.00%) Information Management
3 8 (20.00%) Infrastructure Monitoring
3 8 (20.00%) Problem-Solving
4 6 (15.00%) Infrastructure as Code
4 6 (15.00%) Migration
5 5 (12.50%) Agile
6 4 (10.00%) Configuration Management
6 4 (10.00%) High Availability
6 4 (10.00%) Incident Response
7 3 (7.50%) Containerisation
7 3 (7.50%) Continuous Improvement
7 3 (7.50%) Knowledge Transfer
7 3 (7.50%) Performance Tuning
7 3 (7.50%) Platform Engineering
7 3 (7.50%) RBAC
7 3 (7.50%) Root Cause Analysis
7 3 (7.50%) Site Reliability Engineering
Programming Languages
1 14 (35.00%) Python
2 12 (30.00%) PowerShell
3 9 (22.50%) Bash
3 9 (22.50%) Shell Script
4 8 (20.00%) MATLAB
5 2 (5.00%) Perl
5 2 (5.00%) Ruby
Qualifications
1 26 (65.00%) Security Cleared
2 21 (52.50%) SC Cleared
3 5 (12.50%) DV Cleared
4 4 (10.00%) RHCE
5 2 (5.00%) Degree
6 1 (2.50%) AWS Certification
6 1 (2.50%) Azure Certification
6 1 (2.50%) CISM
6 1 (2.50%) CISSP
6 1 (2.50%) CompTIA Security+
6 1 (2.50%) CRISC
6 1 (2.50%) RHCA
6 1 (2.50%) RHCSA
Quality Assurance & Compliance
1 8 (20.00%) SLA
2 3 (7.50%) ISO/IEC 27001
3 2 (5.00%) NIST
4 1 (2.50%) HMG Security Policy Framework
4 1 (2.50%) NCSC
4 1 (2.50%) PCI DSS
4 1 (2.50%) SOC 2
System Software
1 19 (47.50%) Active Directory
2 8 (20.00%) VMware Infrastructure
3 6 (15.00%) Docker
4 4 (10.00%) Postfix
5 3 (7.50%) Dovecot
6 2 (5.00%) Hyper-V
7 1 (2.50%) Citrix Hypervisor
7 1 (2.50%) GPFS
7 1 (2.50%) KVM
7 1 (2.50%) Lustre
7 1 (2.50%) NFS
7 1 (2.50%) Samba
7 1 (2.50%) Slurm Workload Manager
7 1 (2.50%) Varnish
7 1 (2.50%) VMware ESXi
7 1 (2.50%) vSphere
Systems Management
1 30 (75.00%) Ansible
2 13 (32.50%) Terraform
3 8 (20.00%) Check_MK
3 8 (20.00%) Podman
3 8 (20.00%) Red Hat Satellite
4 5 (12.50%) Puppet
5 4 (10.00%) HAProxy
5 4 (10.00%) NetBackup
6 3 (7.50%) Active Directory Federation Services
6 3 (7.50%) Kubernetes
6 3 (7.50%) Oracle ZFS
7 1 (2.50%) FreeIPA
7 1 (2.50%) Grafana
7 1 (2.50%) Jamf Pro
7 1 (2.50%) Nagios
7 1 (2.50%) Progress Chef
7 1 (2.50%) Prometheus
7 1 (2.50%) SCOM
7 1 (2.50%) vCenter Server
7 1 (2.50%) ZABBIX
Vendors
1 17 (42.50%) Red Hat
2 16 (40.00%) VMware
3 11 (27.50%) Microsoft
4 4 (10.00%) Cisco
4 4 (10.00%) NetApp
4 4 (10.00%) Veeam
5 3 (7.50%) F5
5 3 (7.50%) Juniper
6 2 (5.00%) Splunk
7 1 (2.50%) Apple
7 1 (2.50%) Citrix
7 1 (2.50%) CrowdStrike
7 1 (2.50%) CyberArk
7 1 (2.50%) D-Link
7 1 (2.50%) Google
7 1 (2.50%) Okta
7 1 (2.50%) Ping Identity
7 1 (2.50%) ServiceNow