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 18 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
18 Jan 2017
Same period 2016 Same period 2015
CentOS Linux
UK / Wales
Rank 88 97 96
Rank change year-on-year
+9 -1
Permanent jobs citing CentOS 7 8 12
As % of all permanent IT jobs located in Wales 0.63% 0.64% 0.93%
As % of the Operating Systems category 2.67% 2.33% 3.47%
Number of salaries quoted 6 8 11
Median salary £37,500 £43,250 £34,000
Median salary % change year-on-year
-13.29% +27.20%
90% offered a salary of more than £27,500 £40,000 £24,000
10% offered a salary of more than £50,000 £45,000 £45,000
UK excluding London median salary £45,500 £45,000 £41,250
% change year-on-year
+1.11% +9.09%

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
262 343 346
As % of all permanent IT jobs located in Wales 23.73% 27.48% 26.84%
Number of salaries quoted 236 311 291
Median salary £35,000 £35,000 £38,000
Median salary % change year-on-year
- -7.89%
90% offered a salary of more than £22,500 £21,000 £24,000
10% offered a salary of more than £45,000 £45,000 £47,900
UK excluding London median salary £37,500 £37,500 £37,500

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 18 January 2017.

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 18 January 2017. 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 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 +14 7 £37,500 -13.29%
CentOS
UK

CentOS
Top 30 Related IT Skills in Wales

For the 6 months to 18 January 2017, 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 26 (100.00%) Linux
2 24 (92.31%) Red Hat
3 17 (65.38%) Red Hat Enterprise Linux
4 13 (50.00%) Ubuntu
5 10 (38.46%) Apache
5 10 (38.46%) Debian
6 9 (34.62%) Agile Software Development
7 8 (30.77%) QA
7 8 (30.77%) Python
7 8 (30.77%) Java
8 7 (26.92%) Oracle
8 7 (26.92%) Telecoms
8 7 (26.92%) Advertising
8 7 (26.92%) IBM
8 7 (26.92%) DNS
8 7 (26.92%) EMC
8 7 (26.92%) Bash Shell
9 6 (23.08%) High Availability
9 6 (23.08%) PaaS
9 6 (23.08%) Big Data
9 6 (23.08%) Jenkins
9 6 (23.08%) Mobile Marketing
9 6 (23.08%) Low Latency
9 6 (23.08%) Cisco
9 6 (23.08%) E-Commerce
9 6 (23.08%) Data Mining
9 6 (23.08%) Kerberos
9 6 (23.08%) NFS
9 6 (23.08%) Marketing
9 6 (23.08%) Network Security

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 10 (38.46%) Apache
2 3 (11.54%) Tomcat
3 2 (7.69%) Confluence
3 2 (7.69%) nginx
3 2 (7.69%) OpenStack
3 2 (7.69%) WebLogic
4 1 (3.85%) IIS
4 1 (3.85%) JBoss
4 1 (3.85%) Oracle HTTP Server
4 1 (3.85%) Skype for Business
Applications
1 1 (3.85%) MS Excel
Cloud Services
1 6 (23.08%) Amazon AWS
1 6 (23.08%) PaaS
2 1 (3.85%) GitHub
2 1 (3.85%) Microsoft Azure
Communications & Networking
1 7 (26.92%) DNS
2 6 (23.08%) iSCSI
2 6 (23.08%) Kerberos
2 6 (23.08%) NAS
2 6 (23.08%) Network Security
2 6 (23.08%) OpenLDAP
2 6 (23.08%) SAN
3 5 (19.23%) VoIP
4 4 (15.38%) Firewall
4 4 (15.38%) TCP/IP
5 3 (11.54%) MPLS
5 3 (11.54%) Wireshark
6 1 (3.85%) BIG-IP
6 1 (3.85%) HTTP
6 1 (3.85%) IP Telephony
6 1 (3.85%) PBX
6 1 (3.85%) RTP
Database & Business Intelligence
1 6 (23.08%) Big Data
1 6 (23.08%) Data Mining
2 5 (19.23%) MySQL
3 3 (11.54%) PostgreSQL
4 2 (7.69%) Oracle Database
5 1 (3.85%) SQL Server
Development Applications
1 6 (23.08%) Jenkins
2 3 (11.54%) Atlassian Bamboo
2 3 (11.54%) Cucumber
2 3 (11.54%) JUnit
3 2 (7.69%) Git (software)
3 2 (7.69%) Hudson
3 2 (7.69%) JIRA
3 2 (7.69%) Selenium
4 1 (3.85%) Bitbucket
4 1 (3.85%) TeamCity
4 1 (3.85%) TestLink
4 1 (3.85%) Vagrant
4 1 (3.85%) VersionOne
General
1 7 (26.92%) Advertising
1 7 (26.92%) Telecoms
2 6 (23.08%) Marketing
3 2 (7.69%) Finance
3 2 (7.69%) Pharmaceutical
4 1 (3.85%) Games
4 1 (3.85%) Legal
Job Titles
1 12 (46.15%) Administrator
2 10 (38.46%) Linux Administrator
3 9 (34.62%) Linux Systems Administrator
4 7 (26.92%) Systems Administrator
5 6 (23.08%) Systems Engineer
6 4 (15.38%) Linux Engineer
7 3 (11.54%) Unix Administrator
8 2 (7.69%) Analyst
8 2 (7.69%) DBA
8 2 (7.69%) Developer
8 2 (7.69%) Developer in Test
8 2 (7.69%) Linux Systems Engineer
8 2 (7.69%) Oracle DBA
8 2 (7.69%) Test Automation Developer
8 2 (7.69%) Test Automation Engineer
8 2 (7.69%) Test Engineer
9 1 (3.85%) DevOps Engineer
9 1 (3.85%) Junior Systems Engineer
9 1 (3.85%) Operations Engineer
9 1 (3.85%) Unix Analyst
Libraries, Frameworks & Software Standards
1 2 (7.69%) .NET
1 2 (7.69%) ASP.NET
1 2 (7.69%) LAPP Stack
2 1 (3.85%) LAMP
Miscellaneous
1 2 (7.69%) Analytical Skills
2 1 (3.85%) Client/Server
2 1 (3.85%) Clustering
2 1 (3.85%) LPAR
2 1 (3.85%) User Experience
Operating Systems
1 26 (100.00%) Linux
2 17 (65.38%) Red Hat Enterprise Linux
3 13 (50.00%) Ubuntu
4 10 (38.46%) Debian
5 5 (19.23%) Unix
6 4 (15.38%) AIX
6 4 (15.38%) Windows
7 3 (11.54%) Android
7 3 (11.54%) Apple iOS
7 3 (11.54%) HPUX
7 3 (11.54%) Solaris
8 1 (3.85%) Gentoo
8 1 (3.85%) Windows Server
8 1 (3.85%) Windows Server 2008
Processes & Methodologies
1 9 (34.62%) Agile Software Development
2 6 (23.08%) E-Commerce
2 6 (23.08%) High Availability
2 6 (23.08%) Low Latency
2 6 (23.08%) Mobile Marketing
3 5 (19.23%) Configuration Management
3 5 (19.23%) Continuous Integration
4 3 (11.54%) Network Monitoring
5 2 (7.69%) BDD
5 2 (7.69%) ITIL
5 2 (7.69%) Scrum
5 2 (7.69%) Security Management
5 2 (7.69%) TDD
5 2 (7.69%) Test Automation
6 1 (3.85%) Change Management
6 1 (3.85%) Load Balancing
6 1 (3.85%) Regression Testing
6 1 (3.85%) Service Delivery
6 1 (3.85%) Test Management
6 1 (3.85%) Vulnerability Assessment
Programming Languages
1 8 (30.77%) Java
1 8 (30.77%) Python
2 7 (26.92%) Bash Shell
3 4 (15.38%) Perl
4 3 (11.54%) C++
4 3 (11.54%) JavaScript
4 3 (11.54%) Korn
4 3 (11.54%) Objective-C
4 3 (11.54%) PHP
5 2 (7.69%) C#
6 1 (3.85%) C
6 1 (3.85%) PowerShell
6 1 (3.85%) R
6 1 (3.85%) Ruby
Qualifications
1 3 (11.54%) DV Cleared
1 3 (11.54%) Security Cleared
2 2 (7.69%) RHCE
Quality Assurance & Compliance
1 8 (30.77%) QA
System Software
1 6 (23.08%) NFS
1 6 (23.08%) Squid
2 4 (15.38%) VMware Infrastructure
3 2 (7.69%) Virtual Machines
4 1 (3.85%) Active Directory
4 1 (3.85%) Docker
4 1 (3.85%) Hyper-V
4 1 (3.85%) vSphere
Systems Management
1 5 (19.23%) Ansible
2 3 (11.54%) Opscode Chef
2 3 (11.54%) Puppet
3 1 (3.85%) SCCM
3 1 (3.85%) WSUS
Vendors
1 24 (92.31%) Red Hat
2 7 (26.92%) EMC
2 7 (26.92%) IBM
2 7 (26.92%) Oracle
3 6 (23.08%) Cisco
4 4 (15.38%) VMware
5 3 (11.54%) Brocade
5 3 (11.54%) SonicWALL
6 1 (3.85%) Acme Packet
6 1 (3.85%) AppDynamics
6 1 (3.85%) Atlassian
6 1 (3.85%) BroadSoft
6 1 (3.85%) Dell
6 1 (3.85%) F5
6 1 (3.85%) Microsoft
6 1 (3.85%) Perforce
6 1 (3.85%) Polycom
6 1 (3.85%) Radware
6 1 (3.85%) Sonus
6 1 (3.85%) Yealink