The table below looks at the statistics for CentOS skills in IT jobs advertised for the Cardiff region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 4 December 2016 with a comparison to the same period over the previous 2 years.

3 months to
4 Dec 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 66 73 62
Rank change year-on-year
+7 -11
Permanent jobs citing CentOS 4 3 2
As % of all permanent IT jobs located in Cardiff 0.61% 0.43% 0.33%
As % of the Operating Systems category 2.58% 1.85% 1.47%
Number of salaries quoted 4 3 2
Median salary £33,750 £47,500 £24,000
Median salary % change year-on-year
-28.94% +97.91%
UK excluding London median salary £45,000 £45,000 £40,000
% change year-on-year
- +12.50%
CentOS
South Wales

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

Operating Systems Category
Cardiff
Permanent IT job ads with a match in the
Operating Systems category
155 162 136
As % of all permanent IT jobs located in Cardiff 23.81% 23.04% 22.67%
Number of salaries quoted 144 150 121
Median salary £35,000 £35,000 £27,500
Median salary % change year-on-year
- +27.27%
90% offered a salary of more than £24,700 £20,500 £20,500
10% offered a salary of more than £47,500 £37,500 £45,000
UK excluding London median salary £37,500 £37,500 £37,000
% change year-on-year
- +1.35%

CentOS
Jobs Demand Trend in Cardiff

The demand trend of job ads across the Cardiff region citing CentOS as a proportion of all IT jobs with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Cardiff

CentOS
Salary Trend in Cardiff

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing CentOS across the Cardiff region.

CentOS Salary Trend in Cardiff

CentOS
Salary Histogram in Cardiff

This chart provides a salary histogram for IT jobs citing CentOS across the Cardiff region over the 3 months to 4 December 2016.

CentOS Salary Histogram in Cardiff

CentOS
Top 30 Related IT Skills in Cardiff

For the 6 months to 4 December 2016, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Cardiff region with a requirement for CentOS.

1 14 (100.00%) Linux
2 12 (85.71%) Red Hat
3 9 (64.29%) Red Hat Enterprise Linux
4 7 (50.00%) Cisco
5 6 (42.86%) Python
5 6 (42.86%) Java
5 6 (42.86%) Firewall
5 6 (42.86%) Bash Shell
6 5 (35.71%) Jenkins
6 5 (35.71%) Ubuntu
7 4 (28.57%) DNS
7 4 (28.57%) Windows
7 4 (28.57%) F5
7 4 (28.57%) Continuous Integration
8 3 (21.43%) VMware Infrastructure
8 3 (21.43%) Amazon AWS
8 3 (21.43%) Ansible
8 3 (21.43%) Perl
8 3 (21.43%) MySQL
8 3 (21.43%) Oracle
8 3 (21.43%) Apache
8 3 (21.43%) Tomcat
8 3 (21.43%) VoIP
8 3 (21.43%) TCP/IP
8 3 (21.43%) VMware
9 2 (14.29%) Finance
9 2 (14.29%) Brocade
9 2 (14.29%) Korn
9 2 (14.29%) Agile Software Development
9 2 (14.29%) TDD

CentOS
Top Related IT Skills in Cardiff 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 3 (21.43%) Apache
1 3 (21.43%) Tomcat
2 1 (7.14%) Confluence
2 1 (7.14%) IIS
2 1 (7.14%) JBoss
2 1 (7.14%) nginx
2 1 (7.14%) OpenStack
2 1 (7.14%) Oracle HTTP Server
2 1 (7.14%) Skype for Business
Applications
1 1 (7.14%) MS Excel
Cloud Services
1 3 (21.43%) Amazon AWS
Communications & Networking
1 6 (42.86%) Firewall
2 4 (28.57%) DNS
3 3 (21.43%) TCP/IP
3 3 (21.43%) VoIP
4 2 (14.29%) MPLS
4 2 (14.29%) Wireshark
5 1 (7.14%) BIG-IP
5 1 (7.14%) HTTP
Database & Business Intelligence
1 3 (21.43%) MySQL
2 2 (14.29%) PostgreSQL
3 1 (7.14%) SQL Server
Development Applications
1 5 (35.71%) Jenkins
2 2 (14.29%) Atlassian Bamboo
2 2 (14.29%) Cucumber
2 2 (14.29%) Git (software)
2 2 (14.29%) Hudson
2 2 (14.29%) JUnit
2 2 (14.29%) Selenium
3 1 (7.14%) JIRA
3 1 (7.14%) TeamCity
3 1 (7.14%) Vagrant
General
1 2 (14.29%) Finance
1 2 (14.29%) Pharmaceutical
2 1 (7.14%) Games
Job Titles
1 4 (28.57%) Systems Engineer
2 3 (21.43%) Administrator
2 3 (21.43%) Linux Engineer
2 3 (21.43%) Systems Administrator
3 2 (14.29%) Developer
3 2 (14.29%) Developer in Test
3 2 (14.29%) Test Automation Developer
3 2 (14.29%) Test Automation Engineer
3 2 (14.29%) Test Engineer
4 1 (7.14%) Analyst
4 1 (7.14%) Infrastructure Engineer
4 1 (7.14%) Junior
4 1 (7.14%) Security Engineer
4 1 (7.14%) Senior Systems Engineer
4 1 (7.14%) Support Analyst
4 1 (7.14%) Technical Engineer
4 1 (7.14%) Technical Leader
4 1 (7.14%) Unix Analyst
4 1 (7.14%) Unix Support
4 1 (7.14%) Unix Support Analyst
Libraries, Frameworks & Software Standards
1 2 (14.29%) .NET
1 2 (14.29%) ASP.NET
1 2 (14.29%) LAPP Stack
2 1 (7.14%) LAMP
Miscellaneous
1 2 (14.29%) Analytical Skills
Operating Systems
1 14 (100.00%) Linux
2 9 (64.29%) Red Hat Enterprise Linux
3 5 (35.71%) Ubuntu
4 4 (28.57%) Windows
5 2 (14.29%) Android
5 2 (14.29%) Apple iOS
5 2 (14.29%) Debian
6 1 (7.14%) AIX
6 1 (7.14%) Unix
6 1 (7.14%) Windows Server
6 1 (7.14%) Windows Server 2008
Processes & Methodologies
1 4 (28.57%) Continuous Integration
2 2 (14.29%) Agile Software Development
2 2 (14.29%) BDD
2 2 (14.29%) Configuration Management
2 2 (14.29%) ITIL
2 2 (14.29%) Network Monitoring
2 2 (14.29%) Scrum
2 2 (14.29%) TDD
2 2 (14.29%) Test Automation
3 1 (7.14%) Change Management
3 1 (7.14%) DevOps
3 1 (7.14%) Load Balancing
3 1 (7.14%) Security Management
3 1 (7.14%) Service Delivery
3 1 (7.14%) Vulnerability Assessment
Programming Languages
1 6 (42.86%) Bash Shell
1 6 (42.86%) Java
1 6 (42.86%) Python
2 3 (21.43%) Perl
3 2 (14.29%) C#
3 2 (14.29%) C++
3 2 (14.29%) JavaScript
3 2 (14.29%) Korn
3 2 (14.29%) Objective-C
3 2 (14.29%) PHP
4 1 (7.14%) C
4 1 (7.14%) PowerShell
4 1 (7.14%) R
4 1 (7.14%) Ruby
Qualifications
1 2 (14.29%) RHCE
Quality Assurance & Compliance
1 2 (14.29%) QA
System Software
1 3 (21.43%) VMware Infrastructure
2 2 (14.29%) Virtual Machines
3 1 (7.14%) Active Directory
3 1 (7.14%) Docker
3 1 (7.14%) Hyper-V
3 1 (7.14%) vSphere
Systems Management
1 3 (21.43%) Ansible
2 1 (7.14%) Opscode Chef
2 1 (7.14%) Puppet
2 1 (7.14%) SCCM
2 1 (7.14%) WSUS
Vendors
1 12 (85.71%) Red Hat
2 7 (50.00%) Cisco
3 4 (28.57%) F5
4 3 (21.43%) Oracle
4 3 (21.43%) VMware
5 2 (14.29%) Brocade
5 2 (14.29%) SonicWALL
6 1 (7.14%) AppDynamics
6 1 (7.14%) Atlassian
6 1 (7.14%) Dell
6 1 (7.14%) EMC
6 1 (7.14%) IBM
6 1 (7.14%) Microsoft
6 1 (7.14%) Radware