Period
to 21 August 2018

The following table provides summary statistics for contract job vacancies advertised in the West Midlands with a requirement for CentOS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CentOS over the 6 months to 21 August 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

CentOS Linux
England > West Midlands
6 months to
21 Aug 2018
Same period 2017 Same period 2016
Rank 195 123 196
Rank change year-on-year -72 +73 -11
Contract jobs citing CentOS 7 53 22
As % of all contract IT jobs advertised in the West Midlands 0.14% 1.22% 0.36%
As % of the Operating Systems category 0.71% 6.54% 1.90%
Number of daily rates quoted 4 29 15
West Midlands median daily rate £413 £463 £425
Median daily rate % change year-on-year -10.81% +8.82% +38.78%
10th Percentile £311 £373 £318
90th Percentile £493 £500 £483
England median daily rate £500 £496 £450
% change year-on-year +0.78% +10.26% +12.50%
Number of hourly rates quoted 0 0 0
West Midlands median hourly rate - - -
England median hourly rate £51.00 £47.50 £13.50
% change year-on-year +7.37% +251.85% -62.50%

CentOS is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the West Midlands with a requirement for operating system skills.

All Operating Systems
West Midlands
Contract vacancies with a requirement for operating system skills 981 811 1,158
As % of all contract IT jobs advertised in the West Midlands 19.40% 18.74% 19.09%
Number of daily rates quoted 519 490 572
West Midlands median daily rate £375 £375 £398
Median daily rate % change year-on-year - -5.66% +22.31%
10th Percentile £128 £194 £180
90th Percentile £538 £558 £519
England median daily rate £438 £425 £405
% change year-on-year +2.94% +5.07% +7.87%
Number of hourly rates quoted 133 59 102
West Midlands median hourly rate £15.00 £14.34 £13.59
Median hourly rate % change year-on-year +4.60% +5.52% -9.40%
10th Percentile £11.00 £10.85 £10.27
90th Percentile £21.50 £28.20 £35.48
England median hourly rate £17.50 £17.50 £16.50
% change year-on-year - +6.06% -

CentOS
Job Vacancy Trend in the West Midlands

Job postings citing CentOS as a percentage of all IT jobs advertised in the West Midlands.

Job vacancy trend for CentOS in the West Midlands

CentOS
Contractor Daily Rate Trend in the West Midlands

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing CentOS in the West Midlands.

Contractor daily rate trend for CentOS in the West Midlands

CentOS
Contractor Daily Rate Histogram in the West Midlands

The daily rate distribution of IT jobs citing CentOS in the West Midlands over the 6 months to 21 August 2018.

Contractor daily rate histogram for CentOS in the West Midlands

CentOS
Contract Job Locations in the West Midlands

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the West Midlands region over the 6 months to 21 August 2018. 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
Job
Vacancies
Birmingham -21 3 £375 -18.92% 2
Worcestershire - 2 £475 - 1
Solihull - 1 - -
CentOS
England

For the 6 months to 21 August 2018, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the West Midlands region with a requirement for CentOS.

1 7 (100.00%) Linux
2 5 (71.43%) Red Hat
3 4 (57.14%) Shell Script
3 4 (57.14%) Apache
3 4 (57.14%) Windows
3 4 (57.14%) MySQL
3 4 (57.14%) Red Hat Enterprise Linux
4 3 (42.86%) Git (software)
4 3 (42.86%) VMware Infrastructure
4 3 (42.86%) DevOps
4 3 (42.86%) Windows Server
4 3 (42.86%) Java
4 3 (42.86%) PHP
4 3 (42.86%) Nagios
4 3 (42.86%) Active Directory
4 3 (42.86%) Python
4 3 (42.86%) DNS
4 3 (42.86%) LAMP
4 3 (42.86%) Scrum
4 3 (42.86%) VMware
4 3 (42.86%) Maven
4 3 (42.86%) Agile Software Development
4 3 (42.86%) Squid
5 2 (28.57%) WMI
5 2 (28.57%) Subversion
5 2 (28.57%) Intrusion Detection
5 2 (28.57%) Xen
5 2 (28.57%) JSON
5 2 (28.57%) JIRA
5 2 (28.57%) Ajax

CentOS
Co-occurring IT Skills in the West Midlands by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 4 (57.14%) Apache
2 2 (28.57%) GlassFish
2 2 (28.57%) IIS
2 2 (28.57%) JBoss
2 2 (28.57%) Tomcat
3 1 (14.29%) MS Exchange
Cloud Services
1 2 (28.57%) Amazon AWS
1 2 (28.57%) Microsoft Azure
Communications & Networking
1 3 (42.86%) DNS
2 2 (28.57%) Firewall
2 2 (28.57%) Intrusion Detection
2 2 (28.57%) iSCSI
2 2 (28.57%) SSL
3 1 (14.29%) SAN
Database & Business Intelligence
1 4 (57.14%) MySQL
2 2 (28.57%) Couchbase
2 2 (28.57%) NoSQL
2 2 (28.57%) PostgreSQL
2 2 (28.57%) SQL Server
Development Applications
1 3 (42.86%) Git (software)
1 3 (42.86%) Maven
2 2 (28.57%) Bugzilla
2 2 (28.57%) Jenkins
2 2 (28.57%) JIRA
2 2 (28.57%) MSBuild
2 2 (28.57%) Subversion
3 1 (14.29%) NetBeans
3 1 (14.29%) Sonatype Nexus
General
1 2 (28.57%) Legal
2 1 (14.29%) Automotive
2 1 (14.29%) Finance
Job Titles
1 3 (42.86%) Linux Engineer
2 2 (28.57%) Deployment Manager
2 2 (28.57%) Senior Linux Engineer
2 2 (28.57%) Senior Manager
3 1 (14.29%) 3rd Line Engineer
3 1 (14.29%) 3rd Line Support
3 1 (14.29%) 3rd Line Support Engineer
3 1 (14.29%) Developer
3 1 (14.29%) PHP Developer
3 1 (14.29%) Support Engineer
Libraries, Frameworks & Software Standards
1 3 (42.86%) LAMP
2 2 (28.57%) Ajax
2 2 (28.57%) CGI
2 2 (28.57%) JSON
2 2 (28.57%) LDAP
2 2 (28.57%) Memcached
2 2 (28.57%) REST
2 2 (28.57%) SOAP
2 2 (28.57%) XML
3 1 (14.29%) CSS
3 1 (14.29%) HTML
3 1 (14.29%) HTML5
3 1 (14.29%) LAPP Stack
Miscellaneous
1 2 (28.57%) Clustering
1 2 (28.57%) Self-Motivation
1 2 (28.57%) Wiki
Operating Systems
1 7 (100.00%) Linux
2 4 (57.14%) Red Hat Enterprise Linux
2 4 (57.14%) Windows
3 3 (42.86%) Windows Server
4 2 (28.57%) Debian
4 2 (28.57%) Ubuntu
5 1 (14.29%) Windows 7
5 1 (14.29%) Windows Server 2003
5 1 (14.29%) Windows Server 2008
5 1 (14.29%) Windows Server 2012
5 1 (14.29%) Windows XP
Processes & Methodologies
1 3 (42.86%) Agile Software Development
1 3 (42.86%) DevOps
1 3 (42.86%) Scrum
2 2 (28.57%) Cloud Operations
2 2 (28.57%) Configuration Management
2 2 (28.57%) Continuous Deployment
2 2 (28.57%) Continuous Integration
2 2 (28.57%) Cybersecurity
2 2 (28.57%) High Availability
2 2 (28.57%) Issue Tracking
2 2 (28.57%) Problem-Solving
2 2 (28.57%) Reverse Engineering
3 1 (14.29%) Change Control
3 1 (14.29%) Front End Development
3 1 (14.29%) IT Strategy
3 1 (14.29%) ITIL
3 1 (14.29%) Migration
3 1 (14.29%) MVC
3 1 (14.29%) Open Source
3 1 (14.29%) Release Management
Programming Languages
1 4 (57.14%) Shell Script
2 3 (42.86%) Java
2 3 (42.86%) PHP
2 3 (42.86%) Python
3 2 (28.57%) Perl
3 2 (28.57%) PowerShell
4 1 (14.29%) JavaScript
Qualifications
1 2 (28.57%) SC Cleared
1 2 (28.57%) Security Cleared
2 1 (14.29%) ITIL Foundation Certificate
2 1 (14.29%) RHCE
Quality Assurance & Compliance
1 1 (14.29%) ISO/IEC 27001
System Software
1 3 (42.86%) Active Directory
1 3 (42.86%) Squid
1 3 (42.86%) VMware Infrastructure
2 2 (28.57%) Hyper-V
2 2 (28.57%) iptables
2 2 (28.57%) NFS
2 2 (28.57%) Samba
2 2 (28.57%) Varnish
2 2 (28.57%) Xen
3 1 (14.29%) Microsoft Virtual Server
3 1 (14.29%) Virtual Servers
3 1 (14.29%) VMware ESXi
Systems Management
1 3 (42.86%) Nagios
2 2 (28.57%) HAProxy
2 2 (28.57%) Opscode Chef
2 2 (28.57%) Puppet
2 2 (28.57%) SELinux
2 2 (28.57%) WMI
3 1 (14.29%) Backup Exec
3 1 (14.29%) WSUS
Vendors
1 5 (71.43%) Red Hat
2 3 (42.86%) VMware
3 2 (28.57%) Splunk
3 2 (28.57%) WSO2
4 1 (14.29%) Microsoft
4 1 (14.29%) Symantec