CentOS Contract Job Trends in the City of London

CentOS Linux
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of London 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 133 117 124
Rank change year-on-year -16 +7 +47
Contract jobs citing CentOS 1 2 3
As % of all contract jobs in the City of London 0.043% 0.11% 0.14%
As % of the Operating Systems category 0.72% 0.83% 1.06%
Number of daily rates quoted 1 2 3
10th Percentile - £728 £435
25th Percentile £513 £731 £450
Median daily rate (50th Percentile) £525 £750 £500
Median % change year-on-year -30.00% +50.00% -23.08%
75th Percentile £538 £769 £525
90th Percentile - £773 £526
Central London median daily rate £525 £750 £500
% change year-on-year -30.00% +49.93% -21.53%

All Operating Systems
City of 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 City of London.

Contract vacancies with a requirement for operating system skills 139 241 282
As % of all contract IT jobs advertised in the City of London 6.04% 13.72% 12.84%
Number of daily rates quoted 96 175 198
10th Percentile £188 £260 £195
25th Percentile £244 £364 £322
Median daily rate (50th Percentile) £525 £518 £500
Median % change year-on-year +1.45% +3.50% -6.98%
75th Percentile £650 £664 £655
90th Percentile £757 £711 £729
Central London median daily rate £525 £513 £450
% change year-on-year +2.44% +13.89% -13.88%
Number of hourly rates quoted 2 1 3
10th Percentile £19.41 - -
25th Percentile £19.64 £162.50 £21.25
Median hourly rate £20.88 £175.00 £22.50
Median % change year-on-year -88.07% +677.78% -35.71%
75th Percentile £22.72 £187.50 £25.38
90th Percentile £23.31 - £26.35
Central London median hourly rate £20.88 £98.75 £22.50
% change year-on-year -78.85% +338.89% -35.71%

CentOS
Job Vacancy Trend in the City of London

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

CentOS job vacancy trend in the City of London

CentOS
Daily Rate Trend in the City of London

Contractor daily rate distribution trend for jobs in the City of London citing CentOS.

Contractor daily rate distribution trend for jobs in the City of London citing CentOS

CentOS
Hourly Rate Trend in the City of London

Contractor hourly rate distribution trend for jobs in the City of London citing CentOS.

Contractor hourly rate distribution trend for jobs in the City of London citing CentOS

CentOS
Co-Occurring Skills & Capabilities in the City of 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 1 (100.00%) Apache
1 1 (100.00%) nginx
1 1 (100.00%) Tomcat
Cloud Services
1 1 (100.00%) AWS
1 1 (100.00%) Azure
Communications & Networking
1 1 (100.00%) DNS
1 1 (100.00%) NAS
1 1 (100.00%) SAN
Job Titles
1 1 (100.00%) Architect
1 1 (100.00%) Linux Engineer
Miscellaneous
1 1 (100.00%) Hybrid Cloud
Operating Systems
1 1 (100.00%) Linux
1 1 (100.00%) Ubuntu
Processes & Methodologies
1 1 (100.00%) Infrastructure as Code
1 1 (100.00%) Load Balancing
1 1 (100.00%) Root Cause Analysis
1 1 (100.00%) Security Hardening
1 1 (100.00%) Server Hardening
Programming Languages
1 1 (100.00%) Bash
1 1 (100.00%) Python
Qualifications
1 1 (100.00%) SC Cleared
1 1 (100.00%) Security Cleared
Quality Assurance & Compliance
1 1 (100.00%) ISO/IEC 27001
System Software
1 1 (100.00%) VMware Infrastructure
Systems Management
1 1 (100.00%) Ansible
1 1 (100.00%) Puppet
1 1 (100.00%) Terraform
Vendors
1 1 (100.00%) Red Hat
1 1 (100.00%) VMware