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 26 June 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
26 Jun 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 33 20 -
Rank change year-on-year
-13 -
Contract jobs citing CentOS 9 8 0
As % of all contract IT jobs located in Croydon 3.72% 5.63% -
As % of the Operating Systems category 19.57% 16.33% -
Number of daily rates quoted 2 3 0
Median daily rate £490 £425 -
Median daily rate % change year-on-year
+15.29% -
UK excluding London median daily rate £425 £360 £350
% change year-on-year
+18.05% +2.85%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £55.00 - £16.75
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
46 49 30
As % of all contract IT jobs located in Croydon 19.01% 34.51% 34.09%
Number of daily rates quoted 22 33 20
Median daily rate £393 £338 £300
Median daily rate % change year-on-year
+16.29% +12.50%
90% offered a daily rate of more than £345 £220 £125
10% offered a daily rate of more than £484 £450 £438
UK excluding London median daily rate £363 £348 £310
% change year-on-year
+4.31% +12.09%
Number of hourly rates quoted 2 0 5
Median hourly rate £14.50 - £25.00
UK excluding London median hourly rate £17.00 £16.20 £15.00
% change year-on-year
+4.93% +8.00%

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 26 June 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 20 (100.00%) Linux
2 18 (90.00%) Jenkins
3 17 (85.00%) Security Cleared
4 16 (80.00%) Agile Software Development
4 16 (80.00%) DevOps
5 15 (75.00%) Red Hat
6 14 (70.00%) SC Cleared
6 14 (70.00%) ZABBIX
6 14 (70.00%) Puppet
7 13 (65.00%) Ubuntu
7 13 (65.00%) Continuous Integration
7 13 (65.00%) VMware
8 12 (60.00%) Scrum
8 12 (60.00%) Apache
8 12 (60.00%) Git (software)
9 11 (55.00%) Bash Shell
10 10 (50.00%) Ansible
10 10 (50.00%) Web Services
10 10 (50.00%) Firewall
10 10 (50.00%) Ruby
11 9 (45.00%) PostgreSQL
11 9 (45.00%) Perl
11 9 (45.00%) Docker
12 8 (40.00%) Salt
12 8 (40.00%) vCloud
12 8 (40.00%) Artifactory
12 8 (40.00%) Amazon AWS
12 8 (40.00%) Rundeck
12 8 (40.00%) Sonatype
12 8 (40.00%) Black Duck

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 12 (60.00%) Apache
2 8 (40.00%) JBoss
3 7 (35.00%) Mule ESB
3 7 (35.00%) nginx
3 7 (35.00%) Tomcat
Cloud Services
1 8 (40.00%) Amazon AWS
2 7 (35.00%) GitHub
3 5 (25.00%) Google Cloud Platform
4 3 (15.00%) Microsoft Azure
Communications & Networking
1 10 (50.00%) Firewall
2 8 (40.00%) DMZ
3 7 (35.00%) Reverse Proxy
4 5 (25.00%) VPN
5 2 (10.00%) OpenLDAP
Database & Business Intelligence
1 9 (45.00%) PostgreSQL
2 7 (35.00%) MongoDB
2 7 (35.00%) MySQL
2 7 (35.00%) NoSQL
2 7 (35.00%) Redis
3 5 (25.00%) SQL Server
Development Applications
1 18 (90.00%) Jenkins
2 12 (60.00%) Git (software)
3 8 (40.00%) Artifactory
3 8 (40.00%) SonarQube
3 8 (40.00%) Sonatype Nexus
4 7 (35.00%) Gerrit
4 7 (35.00%) Mercurial
5 5 (25.00%) Maven
General
1 1 (5.00%) Finance
1 1 (5.00%) Manufacturing
1 1 (5.00%) Retail
1 1 (5.00%) Telecoms
Job Titles
1 9 (45.00%) DevOps Engineer
2 4 (20.00%) Service Manager
2 4 (20.00%) Technical Manager
3 3 (15.00%) Consultant
3 3 (15.00%) Delivery Manager
3 3 (15.00%) DevOps Consultant
3 3 (15.00%) Services Delivery Manager
3 3 (15.00%) Technical Services Manager
4 2 (10.00%) Administrator
4 2 (10.00%) Linux Administrator
4 2 (10.00%) Linux DevOps Engineer
4 2 (10.00%) Linux Engineer
4 2 (10.00%) Linux Systems Administrator
4 2 (10.00%) Linux/Unix DevOps
4 2 (10.00%) Service Support Manager
4 2 (10.00%) Support Manager
4 2 (10.00%) Systems Administrator
4 2 (10.00%) Technical Delivery Manager
4 2 (10.00%) Technical Support
4 2 (10.00%) Technical Support Manager
Libraries, Frameworks & Software Standards
1 10 (50.00%) Web Services
2 7 (35.00%) J2EE
2 7 (35.00%) LAMP
2 7 (35.00%) LAPP Stack
2 7 (35.00%) LEMP Stack
2 7 (35.00%) RabbitMQ
3 3 (15.00%) MCollective
4 2 (10.00%) ActiveMQ
Miscellaneous
1 7 (35.00%) Enterprise Software
Operating Systems
1 20 (100.00%) Linux
2 13 (65.00%) Ubuntu
3 8 (40.00%) Red Hat Enterprise Linux
4 7 (35.00%) Windows
5 5 (25.00%) Windows Server 2012
6 2 (10.00%) Windows Server
Processes & Methodologies
1 16 (80.00%) Agile Software Development
1 16 (80.00%) DevOps
2 13 (65.00%) Continuous Integration
3 12 (60.00%) Scrum
4 8 (40.00%) Continuous Delivery
4 8 (40.00%) OWASP
5 5 (25.00%) Build Automation
5 5 (25.00%) Service Management
6 4 (20.00%) ITIL
7 3 (15.00%) Configuration Management
8 2 (10.00%) Release Management
8 2 (10.00%) Service Delivery
8 2 (10.00%) SOA
Programming Languages
1 11 (55.00%) Bash Shell
2 10 (50.00%) Ruby
3 9 (45.00%) Perl
4 8 (40.00%) PHP
4 8 (40.00%) Python
5 5 (25.00%) Java
Qualifications
1 17 (85.00%) Security Cleared
2 14 (70.00%) SC Cleared
3 3 (15.00%) BPSS Clearance
4 2 (10.00%) BC Cleared
System Software
1 9 (45.00%) Docker
2 8 (40.00%) vCloud
2 8 (40.00%) Virtual Machines
3 5 (25.00%) VMware Infrastructure
Systems Management
1 14 (70.00%) Puppet
1 14 (70.00%) ZABBIX
2 10 (50.00%) Ansible
3 8 (40.00%) Rundeck
3 8 (40.00%) Salt
4 7 (35.00%) HAProxy
4 7 (35.00%) Kibana
4 7 (35.00%) logstash
5 3 (15.00%) Opscode Chef
Vendors
1 15 (75.00%) Red Hat
2 13 (65.00%) VMware
3 8 (40.00%) Black Duck
3 8 (40.00%) Sonatype
3 8 (40.00%) Veracode
4 5 (25.00%) Google
4 5 (25.00%) Microsoft
4 5 (25.00%) Oracle
4 5 (25.00%) ServiceNow