CentOS Contract Job Trends in the UK excluding London

CentOS Linux
UK > UK excluding London

The table below provides summary statistics and contractor rates for jobs advertised in the UK excluding London requiring CentOS skills. It covers contract job vacancies from the 6 months leading up to 24 December 2025, with comparisons to the same periods in the previous two years.

6 months to
24 Dec 2025
Same period 2024 Same period 2023
Rank 370 269 345
Rank change year-on-year -101 +76 +63
Contract jobs citing CentOS 22 83 55
As % of all contract jobs in the UK excluding London 0.12% 0.56% 0.28%
As % of the Operating Systems category 0.76% 3.31% 1.64%
Number of daily rates quoted 17 39 41
10th Percentile £479 £379 -
25th Percentile £525 £456 £400
Median daily rate (50th Percentile) £550 £605 £500
Median % change year-on-year -9.09% +21.00% -16.67%
75th Percentile £575 £731 £588
90th Percentile £725 £750 £638
UK median daily rate £550 £575 £550
% change year-on-year -4.35% +4.55% -12.00%
Number of hourly rates quoted 0 1 2
10th Percentile - - -
25th Percentile - £59.39 £21.25
Median hourly rate - £63.79 £22.50
Median % change year-on-year - +183.49% -62.50%
75th Percentile - £68.18 £23.75
90th Percentile - - -
UK median hourly rate - £112.00 £22.50
% change year-on-year - +397.78% -63.41%

All Operating Systems
UK excluding London

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 in the UK excluding London.

Contract vacancies with a requirement for operating system skills 2,891 2,507 3,354
As % of all contract IT jobs advertised in the UK excluding London 15.82% 16.88% 17.27%
Number of daily rates quoted 1,905 1,499 2,194
10th Percentile £163 £180 £160
25th Percentile £213 £238 £213
Median daily rate (50th Percentile) £410 £425 £428
Median % change year-on-year -3.53% -0.76% -4.83%
75th Percentile £538 £550 £575
90th Percentile £620 £650 £655
UK median daily rate £450 £475 £475
% change year-on-year -5.26% - -7.32%
Number of hourly rates quoted 299 150 263
10th Percentile £15.00 £15.95 £14.16
25th Percentile £18.50 £20.94 £17.72
Median hourly rate £25.15 £37.75 £27.00
Median % change year-on-year -33.38% +39.81% +22.73%
75th Percentile £65.00 £65.00 £63.75
90th Percentile £69.99 £70.00 £75.97
UK median hourly rate £25.15 £41.00 £32.50
% change year-on-year -38.66% +26.15% +34.02%

CentOS
Job Vacancy Trend in the UK excluding London

Historical trend showing the proportion of contract IT job postings citing CentOS relative to all contract IT jobs advertised in the UK excluding London.

CentOS job vacancy trend in the UK excluding London

CentOS
Daily Rate Trend in the UK excluding London

Contractor daily rate distribution trend for jobs in the UK excluding London citing CentOS.

Contractor daily rate distribution trend for jobs in the UK excluding London citing CentOS

CentOS
Daily Rate Histogram in the UK excluding London

Daily rate distribution for jobs citing CentOS in the UK excluding London over the 6 months to 24 December 2025.

Daily rate histogram for CentOS in the UK excluding London

CentOS
Hourly Rate Trend in the UK excluding London

Contractor hourly rate distribution trend for jobs in the UK excluding London citing CentOS.

Contractor hourly rate distribution trend for jobs in the UK excluding London citing CentOS

CentOS
Contract Job Locations in the UK excluding London

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 excluding London region over the 6 months to 24 December 2025. 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
South West -5 8 £550 +11.39% 6
South East -43 5 £503 -12.61% 14
West Midlands -32 4 £540 +45.95% 8
Midlands -50 4 £540 +45.95% 17
East of England - 4 £488 - 12
Yorkshire -47 1 - - 10
North of England -74 1 - - 18
CentOS
UK

CentOS
Co-Occurring Skills & Capabilities in the UK excluding London 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 (13.64%) Microsoft Exchange
2 1 (4.55%) OpenStack
2 1 (4.55%) SharePoint
Applications
1 3 (13.64%) Microsoft Office
Cloud Services
1 5 (22.73%) npm
1 5 (22.73%) OpenShift
2 4 (18.18%) AWS
2 4 (18.18%) Azure
3 3 (13.64%) GCP
4 2 (9.09%) Microsoft 365
Communications & Networking
1 5 (22.73%) AMQP
2 4 (18.18%) DHCP
2 4 (18.18%) DKIM
2 4 (18.18%) DMARC
2 4 (18.18%) DNS
2 4 (18.18%) SMTP
3 3 (13.64%) Firewall
3 3 (13.64%) Skype
3 3 (13.64%) TCP/IP
4 2 (9.09%) SAN
5 1 (4.55%) Asterisk PBX
5 1 (4.55%) NAS
5 1 (4.55%) RTP
5 1 (4.55%) VLAN
5 1 (4.55%) VoIP
5 1 (4.55%) VSAN
5 1 (4.55%) VXLAN
Database & Business Intelligence
1 6 (27.27%) RDBMS
1 6 (27.27%) Relational Database
2 1 (4.55%) InfluxDB
Development Applications
1 5 (22.73%) Git
1 5 (22.73%) Maven
General
1 10 (45.45%) Analytical Skills
2 4 (18.18%) Social Skills
3 1 (4.55%) Documentation Skills
3 1 (4.55%) Inclusion and Diversity
3 1 (4.55%) Telecoms
Job Titles
1 5 (22.73%) Support Engineer
2 4 (18.18%) Applications Engineer
2 4 (18.18%) Applications Support
2 4 (18.18%) Applications Support Engineer
3 3 (13.64%) Infrastructure Engineer
3 3 (13.64%) Wintel Engineer
4 2 (9.09%) Linux Specialist
4 2 (9.09%) Technical Specialist
5 1 (4.55%) Administrator
5 1 (4.55%) Analyst
5 1 (4.55%) Architect
5 1 (4.55%) Consultant
5 1 (4.55%) Developer
5 1 (4.55%) Infrastructure Architect
5 1 (4.55%) Infrastructure Consultant
5 1 (4.55%) Linux Engineer
5 1 (4.55%) Senior Analyst
5 1 (4.55%) Senior Technical Analyst
5 1 (4.55%) Technical Analyst
5 1 (4.55%) VoIP Developer
Libraries, Frameworks & Software Standards
1 5 (22.73%) LDAP
2 1 (4.55%) FreeSWITCH
2 1 (4.55%) Node.js
2 1 (4.55%) REST
Miscellaneous
1 5 (22.73%) Data Centre
2 3 (13.64%) PKI
2 3 (13.64%) SCADA
3 2 (9.09%) Hybrid Cloud
3 2 (9.09%) Linux Command Line
4 1 (4.55%) Client/Server
4 1 (4.55%) Private Cloud
4 1 (4.55%) Public Cloud
Operating Systems
1 22 (100.00%) Linux
2 11 (50.00%) Red Hat Enterprise Linux
3 10 (45.45%) Ubuntu
4 9 (40.91%) Windows
4 9 (40.91%) Windows Server
5 3 (13.64%) Oracle Linux
5 3 (13.64%) Windows 10
5 3 (13.64%) Windows Server 2012
6 2 (9.09%) Unix
6 2 (9.09%) Windows Server 2016
6 2 (9.09%) Windows Server 2019
7 1 (4.55%) Windows Server 2003
Processes & Methodologies
1 7 (31.82%) Problem-Solving
2 6 (27.27%) CI/CD
2 6 (27.27%) Continuous Improvement
2 6 (27.27%) High Availability
2 6 (27.27%) Root Cause Analysis
2 6 (27.27%) Task Automation
3 5 (22.73%) Infrastructure as Code
3 5 (22.73%) ITIL
3 5 (22.73%) Load Balancing
3 5 (22.73%) Test Automation
4 4 (18.18%) Data Centre Operations
4 4 (18.18%) Decision-Making
4 4 (18.18%) Infrastructure Engineering
4 4 (18.18%) Microservices
4 4 (18.18%) Service Delivery
4 4 (18.18%) SIEM
4 4 (18.18%) Site Reliability Engineering
4 4 (18.18%) Stakeholder Management
5 3 (13.64%) Problem Management
5 3 (13.64%) System Testing
Programming Languages
1 7 (31.82%) Bash
1 7 (31.82%) PowerShell
1 7 (31.82%) Python
2 5 (22.73%) Java
3 4 (18.18%) SQL
4 2 (9.09%) Perl
4 2 (9.09%) Shell Script
5 1 (4.55%) C
Qualifications
1 12 (54.55%) Security Cleared
2 6 (27.27%) DV Cleared
2 6 (27.27%) SC Cleared
3 3 (13.64%) Degree
3 3 (13.64%) MCSE
3 3 (13.64%) Microsoft Certification
4 2 (9.09%) RHCE
4 2 (9.09%) RHCSA
5 1 (4.55%) BPSS Clearance
System Software
1 8 (36.36%) Docker
2 7 (31.82%) Active Directory
3 4 (18.18%) Postfix
3 4 (18.18%) VMware Infrastructure
4 3 (13.64%) KVM
5 2 (9.09%) vSphere
6 1 (4.55%) Ceph
6 1 (4.55%) Firmware
6 1 (4.55%) Hyper-V
6 1 (4.55%) QEMU
Systems Management
1 8 (36.36%) Ansible
2 7 (31.82%) Terraform
3 5 (22.73%) Grafana
4 4 (18.18%) Kubernetes
5 3 (13.64%) WSUS
6 2 (9.09%) Progress Chef
6 2 (9.09%) Puppet
7 1 (4.55%) HAProxy
7 1 (4.55%) Nessus
7 1 (4.55%) vCenter Server
7 1 (4.55%) VxRail
Vendors
1 9 (40.91%) Red Hat
2 8 (36.36%) Oracle
3 5 (22.73%) Microsoft
3 5 (22.73%) VMware
4 1 (4.55%) Cisco
4 1 (4.55%) Dell
4 1 (4.55%) Dialogic
4 1 (4.55%) EMC
4 1 (4.55%) Foundry
4 1 (4.55%) HP
4 1 (4.55%) Metaswitch