The table below looks at the statistics for CentOS skills in IT contracts advertised for the Croydon region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 27 May 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
27 May 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 29 20 -
Rank change year-on-year
-9 -
Contract jobs citing CentOS 10 8 0
As % of all contract IT jobs located in Croydon 3.95% 5.67% -
As % of the Operating Systems category 17.24% 16.67% -
Number of daily rates quoted 2 3 0
Median daily rate £484 £438 -
Median daily rate % change year-on-year
+10.57% -
UK excluding London median daily rate £425 £375 £350
% change year-on-year
+13.33% +7.14%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £55.00 - £18.13
CentOS
London

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in contract jobs advertised in the Croydon region.

Operating Systems Category
Croydon
Contract IT job ads with a match in the
Operating Systems category
58 48 42
As % of all contract IT jobs located in Croydon 22.92% 34.04% 43.30%
Number of daily rates quoted 37 39 25
Median daily rate £393 £350 £430
Median daily rate % change year-on-year
+12.14% -18.60%
90% offered a daily rate of more than £235 £325 £143
10% offered a daily rate of more than £485 £500 £558
UK excluding London median daily rate £365 £347 £313
% change year-on-year
+5.04% +11.19%
Number of hourly rates quoted 1 0 7
Median hourly rate £14.00 - £25.00
UK excluding London median hourly rate £16.50 £16.00 £15.50
% change year-on-year
+3.12% +3.22%

CentOS
Jobs Demand Trend in Croydon

The demand trend of contract jobs across the Croydon region citing CentOS as a proportion of all IT contracts with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Croydon

CentOS
Daily Rate Trend in Croydon

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing CentOS across the Croydon region.

CentOS Daily Rate Trend in Croydon

CentOS
Top 30 Related IT Skills in Croydon

For the 6 months to 27 May 2016, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Croydon region with a requirement for CentOS.

1 16 (100.00%) Linux
2 14 (87.50%) Agile Software Development
2 14 (87.50%) Jenkins
3 13 (81.25%) Security Cleared
3 13 (81.25%) Red Hat
4 12 (75.00%) ZABBIX
4 12 (75.00%) DevOps
5 11 (68.75%) Puppet
5 11 (68.75%) Ubuntu
5 11 (68.75%) VMware
6 10 (62.50%) Scrum
6 10 (62.50%) Apache
6 10 (62.50%) SC Cleared
7 9 (56.25%) Continuous Integration
7 9 (56.25%) Bash Shell
8 8 (50.00%) Git (software)
8 8 (50.00%) Ansible
8 8 (50.00%) Red Hat Enterprise Linux
8 8 (50.00%) Ruby
8 8 (50.00%) Firewall
9 7 (43.75%) Perl
9 7 (43.75%) Windows
9 7 (43.75%) Docker
10 6 (37.50%) Artifactory
10 6 (37.50%) Salt
10 6 (37.50%) SonarQube
10 6 (37.50%) Continuous Delivery
10 6 (37.50%) Amazon AWS
10 6 (37.50%) vCloud
10 6 (37.50%) Sonatype

CentOS
Top Related IT Skills in Croydon 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 10 (62.50%) Apache
2 5 (31.25%) JBoss
2 5 (31.25%) Mule ESB
2 5 (31.25%) nginx
2 5 (31.25%) Tomcat
Cloud Services
1 6 (37.50%) Amazon AWS
2 5 (31.25%) GitHub
2 5 (31.25%) Google Cloud Platform
3 1 (6.25%) Microsoft Azure
Communications & Networking
1 8 (50.00%) Firewall
2 6 (37.50%) DMZ
3 5 (31.25%) Reverse Proxy
3 5 (31.25%) VPN
Database & Business Intelligence
1 5 (31.25%) MongoDB
1 5 (31.25%) MySQL
1 5 (31.25%) NoSQL
1 5 (31.25%) PostgreSQL
1 5 (31.25%) Redis
1 5 (31.25%) SQL Server
Development Applications
1 14 (87.50%) Jenkins
2 8 (50.00%) Git (software)
3 6 (37.50%) Artifactory
3 6 (37.50%) SonarQube
3 6 (37.50%) Sonatype Nexus
4 5 (31.25%) Gerrit
4 5 (31.25%) Mercurial
5 3 (18.75%) Maven
General
1 1 (6.25%) Finance
1 1 (6.25%) Manufacturing
1 1 (6.25%) Retail
1 1 (6.25%) Telecoms
Job Titles
1 5 (31.25%) DevOps Engineer
2 4 (25.00%) Service Manager
2 4 (25.00%) Technical Manager
3 3 (18.75%) Consultant
3 3 (18.75%) Delivery Manager
3 3 (18.75%) DevOps Consultant
3 3 (18.75%) Services Delivery Manager
3 3 (18.75%) Technical Services Manager
4 2 (12.50%) Administrator
4 2 (12.50%) Linux Administrator
4 2 (12.50%) Linux Systems Administrator
4 2 (12.50%) Service Support Manager
4 2 (12.50%) Support Manager
4 2 (12.50%) Systems Administrator
4 2 (12.50%) Technical Delivery Manager
4 2 (12.50%) Technical Support
4 2 (12.50%) Technical Support Manager
5 1 (6.25%) Applications Support
5 1 (6.25%) ITIL Manager
5 1 (6.25%) ITIL Service Manager
Libraries, Frameworks & Software Standards
1 6 (37.50%) Web Services
2 5 (31.25%) J2EE
2 5 (31.25%) LAMP
2 5 (31.25%) LAPP Stack
2 5 (31.25%) LEMP Stack
2 5 (31.25%) RabbitMQ
3 3 (18.75%) MCollective
Miscellaneous
1 5 (31.25%) Enterprise Software
Operating Systems
1 16 (100.00%) Linux
2 11 (68.75%) Ubuntu
3 8 (50.00%) Red Hat Enterprise Linux
4 7 (43.75%) Windows
5 5 (31.25%) Windows Server 2012
6 2 (12.50%) Windows Server
Processes & Methodologies
1 14 (87.50%) Agile Software Development
2 12 (75.00%) DevOps
3 10 (62.50%) Scrum
4 9 (56.25%) Continuous Integration
5 6 (37.50%) Continuous Delivery
5 6 (37.50%) OWASP
6 5 (31.25%) Service Management
7 4 (25.00%) ITIL
8 3 (18.75%) Build Automation
8 3 (18.75%) Configuration Management
9 2 (12.50%) Release Management
9 2 (12.50%) Service Delivery
Programming Languages
1 9 (56.25%) Bash Shell
2 8 (50.00%) Ruby
3 7 (43.75%) Perl
4 6 (37.50%) PHP
4 6 (37.50%) Python
5 3 (18.75%) Java
Qualifications
1 13 (81.25%) Security Cleared
2 10 (62.50%) SC Cleared
3 2 (12.50%) BC Cleared
4 1 (6.25%) BPSS Clearance
System Software
1 7 (43.75%) Docker
2 6 (37.50%) vCloud
3 5 (31.25%) VMware Infrastructure
Systems Management
1 12 (75.00%) ZABBIX
2 11 (68.75%) Puppet
3 8 (50.00%) Ansible
4 6 (37.50%) Rundeck
4 6 (37.50%) Salt
5 5 (31.25%) HAProxy
5 5 (31.25%) Kibana
5 5 (31.25%) logstash
6 1 (6.25%) Opscode Chef
Vendors
1 13 (81.25%) Red Hat
2 11 (68.75%) VMware
3 6 (37.50%) Black Duck
3 6 (37.50%) Sonatype
3 6 (37.50%) Veracode
4 5 (31.25%) Google
4 5 (31.25%) Microsoft
4 5 (31.25%) Oracle
4 5 (31.25%) ServiceNow