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

6 months to
1 May 2026
Same period 2025 Same period 2024
Rank 589 448 502
Rank change year-on-year -141 +54 +11
Contract jobs citing CentOS 41 76 80
As % of all contract jobs in the UK 0.087% 0.26% 0.18%
As % of the Operating Systems category 0.87% 1.86% 1.38%
Number of daily rates quoted 38 51 53
10th Percentile £400 £400 £313
25th Percentile £479 £488 £456
Median daily rate (50th Percentile) £525 £650 £500
Median % change year-on-year -19.23% +30.00% -20.00%
75th Percentile £544 £738 £538
90th Percentile £583 £750 £588
UK excluding London median daily rate £525 £650 £394
% change year-on-year -19.23% +65.08% -32.55%
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 4,704 4,084 5,803
As % of all contract IT jobs advertised in the UK 9.95% 13.96% 13.32%
Number of daily rates quoted 3,064 2,692 3,912
10th Percentile £185 £200 £185
25th Percentile £313 £320 £300
Median daily rate (50th Percentile) £450 £475 £469
Median % change year-on-year -5.26% +1.28% -7.13%
75th Percentile £575 £594 £588
90th Percentile £658 £699 £700
UK excluding London median daily rate £425 £450 £450
% change year-on-year -5.56% - -5.26%
Number of hourly rates quoted 325 179 396
10th Percentile £16.01 £16.22 £12.75
25th Percentile £20.32 £18.11 £15.44
Median hourly rate £42.50 £24.18 £22.00
Median % change year-on-year +75.77% +9.91% -44.02%
75th Percentile £67.25 £62.50 £60.00
90th Percentile £75.00 £68.00 £70.00
UK excluding London median hourly rate £47.50 £22.94 £22.00
% change year-on-year +107.08% +4.26% -29.60%

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 1 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 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 1 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 -129 40 £525 -17.65% 18
UK excluding London -104 34 £525 -19.23% 13
North of England -80 9 £525 -27.59% 1
East of England - 9 £478 - 2
Work from Home -44 8 £537 -3.24% 7
Yorkshire -57 8 £531 -26.76% 1
South West -25 6 £550 +29.41% 1
Midlands -73 6 £537 - 3
West Midlands -60 4 £540 - 1
South East -65 4 £563 -2.17% 6
London -80 4 £475 -15.18% 5
East Midlands -29 2 £530 - 2
North West -48 1 £300 -48.94%

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 2 (4.88%) Apache
1 2 (4.88%) Microsoft Exchange
2 1 (2.44%) Apache Spark
2 1 (2.44%) nginx
2 1 (2.44%) SharePoint
2 1 (2.44%) Tomcat
Applications
1 1 (2.44%) Microsoft Office
Cloud Services
1 7 (17.07%) Azure
2 4 (9.76%) AWS
2 4 (9.76%) OpenShift
3 2 (4.88%) GitHub
3 2 (4.88%) Microsoft 365
3 2 (4.88%) npm
4 1 (2.44%) Azure Key Vault
4 1 (2.44%) GCP
4 1 (2.44%) IaaS
4 1 (2.44%) PaaS
4 1 (2.44%) SaaS
Communications & Networking
1 5 (12.20%) DNS
2 4 (9.76%) DKIM
2 4 (9.76%) DMARC
2 4 (9.76%) SMTP
3 3 (7.32%) SAN
4 2 (4.88%) AMQP
5 1 (2.44%) Cisco IOS
5 1 (2.44%) DHCP
5 1 (2.44%) Ethernet
5 1 (2.44%) Firewall
5 1 (2.44%) InfiniBand
5 1 (2.44%) iSCSI
5 1 (2.44%) Kerberos
5 1 (2.44%) LAN
5 1 (2.44%) NAS
5 1 (2.44%) Remote Desktop
5 1 (2.44%) Skype
5 1 (2.44%) TCP/IP
5 1 (2.44%) VPN
5 1 (2.44%) WAN
Database & Business Intelligence
1 2 (4.88%) RDBMS
1 2 (4.88%) Relational Database
2 1 (2.44%) Apache Hive
2 1 (2.44%) Hadoop
2 1 (2.44%) Impala
2 1 (2.44%) MySQL
2 1 (2.44%) PostgreSQL
2 1 (2.44%) SQL Server
Development Applications
1 11 (26.83%) Git
1 11 (26.83%) GitLab
2 9 (21.95%) Jenkins
3 2 (4.88%) Maven
3 2 (4.88%) Robot Framework
4 1 (2.44%) GoCD
4 1 (2.44%) Sonatype Nexus
General
1 18 (43.90%) Documentation Skills
2 12 (29.27%) Social Skills
3 7 (17.07%) Aerospace
4 3 (7.32%) Analytical Skills
5 1 (2.44%) Organisational Skills
Job Titles
1 10 (24.39%) Administrator
2 9 (21.95%) Linux Administrator
3 8 (19.51%) Lead
4 4 (9.76%) Infrastructure Engineer
4 4 (9.76%) Linux Engineer
5 3 (7.32%) Architect
5 3 (7.32%) Senior
6 2 (4.88%) Applications Engineer
6 2 (4.88%) Applications Support
6 2 (4.88%) Applications Support Engineer
6 2 (4.88%) Site Engineer
6 2 (4.88%) Site Reliability Engineer
6 2 (4.88%) Support Engineer
6 2 (4.88%) Technical Leader
7 1 (2.44%) Azure Architect
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%) Windows Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 13 (31.71%) LDAP
2 10 (24.39%) Middleware
3 8 (19.51%) YAML
4 1 (2.44%) Kafka
Miscellaneous
1 11 (26.83%) Data Centre
2 9 (21.95%) Management Information System
3 3 (7.32%) PKI
3 3 (7.32%) SCADA
4 2 (4.88%) Hybrid Cloud
5 1 (2.44%) Distributed Systems
5 1 (2.44%) Grid Computing
5 1 (2.44%) Onboarding
5 1 (2.44%) Public Cloud
5 1 (2.44%) Video Conferencing
Operating Systems
1 41 (100.00%) Linux
2 36 (87.80%) Red Hat Enterprise Linux
3 22 (53.66%) Ubuntu
4 10 (24.39%) Windows
5 7 (17.07%) Windows Server
6 1 (2.44%) Android
6 1 (2.44%) Mac OS
6 1 (2.44%) Rocky
6 1 (2.44%) Unix
6 1 (2.44%) Windows 10
6 1 (2.44%) Windows Server 2012
6 1 (2.44%) Windows Server 2016
Processes & Methodologies
1 15 (36.59%) Problem-Solving
2 14 (34.15%) CI/CD
3 11 (26.83%) DevOps
4 10 (24.39%) Continuous Improvement
5 9 (21.95%) Information Management
5 9 (21.95%) Infrastructure Monitoring
5 9 (21.95%) RBAC
6 8 (19.51%) High Availability
6 8 (19.51%) ITSM
7 7 (17.07%) Infrastructure Engineering
8 5 (12.20%) Agile
8 5 (12.20%) Infrastructure as Code
8 5 (12.20%) Load Balancing
9 4 (9.76%) Root Cause Analysis
9 4 (9.76%) SIEM
9 4 (9.76%) Site Reliability Engineering
9 4 (9.76%) Test Automation
10 3 (7.32%) Analytics
10 3 (7.32%) Performance Tuning
10 3 (7.32%) Task Automation
Programming Languages
1 18 (43.90%) Python
2 11 (26.83%) Shell Script
3 9 (21.95%) MATLAB
4 8 (19.51%) Bash
4 8 (19.51%) Perl
4 8 (19.51%) Ruby
5 6 (14.63%) PowerShell
6 2 (4.88%) Java
7 1 (2.44%) SQL
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 2 (4.88%) Degree
6 1 (2.44%) BPSS Clearance
6 1 (2.44%) MCSE
6 1 (2.44%) Microsoft Certification
6 1 (2.44%) RHCA
6 1 (2.44%) RHCSA
Quality Assurance & Compliance
1 9 (21.95%) 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 16 (39.02%) Active Directory
2 7 (17.07%) VMware Infrastructure
3 5 (12.20%) Docker
3 5 (12.20%) Postfix
4 2 (4.88%) vSphere
5 1 (2.44%) Apache ZooKeeper
5 1 (2.44%) Citrix Hypervisor
5 1 (2.44%) GPFS
5 1 (2.44%) HDFS
5 1 (2.44%) Hyper-V
5 1 (2.44%) Lustre
5 1 (2.44%) Samba
5 1 (2.44%) Slurm Workload Manager
5 1 (2.44%) Varnish
Systems Management
1 29 (70.73%) Ansible
2 10 (24.39%) Puppet
3 9 (21.95%) Check_MK
3 9 (21.95%) Podman
3 9 (21.95%) Red Hat Satellite
3 9 (21.95%) Terraform
4 3 (7.32%) Grafana
5 2 (4.88%) Kubernetes
6 1 (2.44%) Apache Ranger
6 1 (2.44%) FreeIPA
6 1 (2.44%) Hadoop YARN
6 1 (2.44%) HAProxy
6 1 (2.44%) Jamf Pro
6 1 (2.44%) Nessus
6 1 (2.44%) Progress Chef
6 1 (2.44%) Prometheus
6 1 (2.44%) SCOM
6 1 (2.44%) vCenter Server
6 1 (2.44%) WSUS
Vendors
1 23 (56.10%) Red Hat
2 16 (39.02%) VMware
3 10 (24.39%) Microsoft
4 2 (4.88%) Oracle
5 1 (2.44%) Apple
5 1 (2.44%) Cisco
5 1 (2.44%) Citrix
5 1 (2.44%) Cloudera
5 1 (2.44%) D-Link
5 1 (2.44%) Foundry