The table below looks at the statistics for CentOS skills in IT jobs advertised for the Wales region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 23 August 2016 with a comparison to the same period over the previous 2 years.

3 months to
23 Aug 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 93 101 84
Rank change year-on-year
+8 -17
Permanent jobs citing CentOS 14 8 18
As % of all permanent IT jobs located in Wales 1.02% 0.57% 1.38%
As % of the Operating Systems category 4.47% 2.13% 5.19%
Number of salaries quoted 14 2 18
Median salary £35,000 £39,500 £34,500
Median salary % change year-on-year
-11.39% +14.49%
90% offered a salary of more than £28,550 £39,500 £27,500
10% offered a salary of more than £44,250 £39,500 £37,500
UK excluding London median salary £47,500 £42,500 £41,500
% change year-on-year
+11.76% +2.40%
CentOS
UK

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

Operating Systems Category
Wales
Permanent IT job ads with a match in the
Operating Systems category
313 376 347
As % of all permanent IT jobs located in Wales 22.88% 26.86% 26.55%
Number of salaries quoted 269 328 313
Median salary £33,000 £36,000 £33,000
Median salary % change year-on-year
-8.33% +9.09%
90% offered a salary of more than £19,500 £24,000 £24,000
10% offered a salary of more than £45,000 £42,500 £42,500
UK excluding London median salary £38,000 £37,500 £36,500
% change year-on-year
+1.33% +2.73%

CentOS
Jobs Demand Trend in Wales

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

CentOS Jobs Demand Trend in Wales

CentOS
Salary Trend in Wales

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

CentOS Salary Trend in Wales

CentOS
Salary Histogram in Wales

This chart provides a salary histogram for IT jobs citing CentOS across the Wales region over the 3 months to 23 August 2016.

CentOS Salary Histogram in Wales

CentOS
Job Locations in Wales

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Wales region over the 3 months to 23 August 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
South Wales +16 14 £35,000 -11.39%
CentOS
UK

CentOS
Top 30 Related IT Skills in Wales

For the 6 months to 23 August 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 Wales region with a requirement for CentOS.

1 22 (100.00%) Linux
2 16 (72.73%) Red Hat
3 15 (68.18%) Red Hat Enterprise Linux
4 10 (45.45%) Python
5 9 (40.91%) Ubuntu
6 8 (36.36%) Agile Software Development
6 8 (36.36%) Bash Shell
6 8 (36.36%) VMware
7 7 (31.82%) Firewall
7 7 (31.82%) Java
7 7 (31.82%) VMware Infrastructure
8 6 (27.27%) Amazon AWS
8 6 (27.27%) Jenkins
8 6 (27.27%) Wireshark
8 6 (27.27%) Perl
8 6 (27.27%) Apache
8 6 (27.27%) TCP/IP
8 6 (27.27%) DNS
8 6 (27.27%) Debian
9 5 (22.73%) Scrum
9 5 (22.73%) Cisco
9 5 (22.73%) Unix
10 4 (18.18%) QA
10 4 (18.18%) Atlassian Bamboo
10 4 (18.18%) tcpdump
10 4 (18.18%) Cucumber
10 4 (18.18%) BDD
10 4 (18.18%) MySQL
10 4 (18.18%) Ansible
11 3 (13.64%) DevOps

CentOS
Top Related IT Skills in Wales 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 6 (27.27%) Apache
2 3 (13.64%) OpenStack
3 2 (9.09%) JBoss
3 2 (9.09%) Tomcat
4 1 (4.55%) Confluence
4 1 (4.55%) nginx
4 1 (4.55%) WebSphere
Business Applications
1 1 (4.55%) Remedy ITSM
Cloud Services
1 6 (27.27%) Amazon AWS
2 3 (13.64%) PaaS
3 2 (9.09%) Microsoft Azure
Communications & Networking
1 7 (31.82%) Firewall
2 6 (27.27%) DNS
2 6 (27.27%) TCP/IP
2 6 (27.27%) Wireshark
3 4 (18.18%) tcpdump
4 3 (13.64%) iSCSI
4 3 (13.64%) Kerberos
4 3 (13.64%) NAS
4 3 (13.64%) Network Security
4 3 (13.64%) OpenLDAP
4 3 (13.64%) SAN
5 2 (9.09%) LAN
5 2 (9.09%) MPLS
5 2 (9.09%) VLAN
5 2 (9.09%) VoIP
6 1 (4.55%) PuTTY
6 1 (4.55%) SSH
6 1 (4.55%) Telnet
Database & Business Intelligence
1 4 (18.18%) MySQL
2 3 (13.64%) Big Data
2 3 (13.64%) Data Mining
3 1 (4.55%) PostgreSQL
Development Applications
1 6 (27.27%) Jenkins
2 4 (18.18%) Atlassian Bamboo
2 4 (18.18%) Cucumber
3 3 (13.64%) Git (software)
4 2 (9.09%) Hudson
4 2 (9.09%) JMeter
4 2 (9.09%) JUnit
4 2 (9.09%) Selenium
4 2 (9.09%) Subversion
4 2 (9.09%) TestLink
4 2 (9.09%) The Grinder
4 2 (9.09%) VersionOne
5 1 (4.55%) JIRA
5 1 (4.55%) TeamCity
5 1 (4.55%) Vagrant
General
1 3 (13.64%) Advertising
1 3 (13.64%) Marketing
1 3 (13.64%) Telecoms
2 1 (4.55%) Finance
2 1 (4.55%) Pharmaceutical
Job Titles
1 8 (36.36%) Administrator
1 8 (36.36%) Systems Administrator
2 5 (22.73%) Linux Administrator
2 5 (22.73%) Linux Systems Administrator
3 4 (18.18%) Linux Engineer
3 4 (18.18%) Test Engineer
4 3 (13.64%) DevOps Engineer
5 2 (9.09%) Developer
5 2 (9.09%) Developer in Test
5 2 (9.09%) Infrastructure Engineer
5 2 (9.09%) Linux DevOps Engineer
5 2 (9.09%) Linux/Unix DevOps
5 2 (9.09%) Systems Engineer
5 2 (9.09%) Test Automation Developer
5 2 (9.09%) Test Automation Engineer
6 1 (4.55%) Analyst
6 1 (4.55%) Senior Linux Engineer
6 1 (4.55%) Senior Systems Engineer
6 1 (4.55%) Support Analyst
6 1 (4.55%) Technical Leader
Libraries, Frameworks & Software Standards
1 2 (9.09%) .NET
1 2 (9.09%) ASP.NET
1 2 (9.09%) REST
1 2 (9.09%) Web Services
2 1 (4.55%) LAPP Stack
Miscellaneous
1 2 (9.09%) Client/Server
1 2 (9.09%) Management Information System
1 2 (9.09%) Public Cloud
1 2 (9.09%) Statistics
1 2 (9.09%) User Experience
2 1 (4.55%) Analytical Skills
Operating Systems
1 22 (100.00%) Linux
2 15 (68.18%) Red Hat Enterprise Linux
3 9 (40.91%) Ubuntu
4 6 (27.27%) Debian
5 5 (22.73%) Unix
6 2 (9.09%) Android
6 2 (9.09%) Apple iOS
6 2 (9.09%) Windows
7 1 (4.55%) AIX
7 1 (4.55%) HPUX
7 1 (4.55%) Solaris
Processes & Methodologies
1 8 (36.36%) Agile Software Development
2 5 (22.73%) Scrum
3 4 (18.18%) BDD
4 3 (13.64%) Continuous Integration
4 3 (13.64%) DevOps
4 3 (13.64%) E-Commerce
4 3 (13.64%) High Availability
4 3 (13.64%) Low Latency
4 3 (13.64%) Mobile Marketing
5 2 (9.09%) API Testing
5 2 (9.09%) Continuous Delivery
5 2 (9.09%) Defect Management
5 2 (9.09%) Load Balancing
5 2 (9.09%) Network Monitoring
5 2 (9.09%) Product Management
5 2 (9.09%) Software Testing
5 2 (9.09%) TDD
5 2 (9.09%) Test Automation
5 2 (9.09%) Test Management
5 2 (9.09%) Validation
Programming Languages
1 10 (45.45%) Python
2 8 (36.36%) Bash Shell
3 7 (31.82%) Java
4 6 (27.27%) Perl
5 3 (13.64%) C
6 2 (9.09%) C#
6 2 (9.09%) C++
6 2 (9.09%) Groovy
6 2 (9.09%) JavaScript
6 2 (9.09%) Korn
6 2 (9.09%) Objective-C
6 2 (9.09%) PHP
6 2 (9.09%) SQL
7 1 (4.55%) Shell Script
Qualifications
1 1 (4.55%) RHCE
Quality Assurance & Compliance
1 4 (18.18%) QA
System Software
1 7 (31.82%) VMware Infrastructure
2 3 (13.64%) NFS
2 3 (13.64%) Squid
3 2 (9.09%) iptables
3 2 (9.09%) Virtual Machines
3 2 (9.09%) VMware ESXi
4 1 (4.55%) Docker
4 1 (4.55%) Hyper-V
4 1 (4.55%) VMware ESX
Systems Management
1 4 (18.18%) Ansible
2 3 (13.64%) Opscode Chef
2 3 (13.64%) Puppet
3 2 (9.09%) HP Quality Center
3 2 (9.09%) Nagios
3 2 (9.09%) Nessus
3 2 (9.09%) Nmap
4 1 (4.55%) BladeLogic
4 1 (4.55%) BMC PATROL
Vendors
1 16 (72.73%) Red Hat
2 8 (36.36%) VMware
3 5 (22.73%) Cisco
4 3 (13.64%) EMC
4 3 (13.64%) F5
4 3 (13.64%) IBM
5 2 (9.09%) AppDynamics
5 2 (9.09%) Brocade
5 2 (9.09%) Oracle
5 2 (9.09%) Perforce
5 2 (9.09%) SonicWALL
6 1 (4.55%) Atlassian
6 1 (4.55%) BMC
6 1 (4.55%) HP
6 1 (4.55%) Remedy