The table below looks at the statistics for CentOS skills in IT jobs advertised for the South Wales region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 1 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
1 Jul 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 81 87 85
Rank change year-on-year
+6 -2
Permanent jobs citing CentOS 10 10 13
As % of all permanent IT jobs located in South Wales 0.88% 0.81% 1.15%
As % of the Operating Systems category 3.50% 2.72% 4.23%
Number of salaries quoted 10 9 11
Median salary £36,250 £39,500 £37,500
Median salary % change year-on-year
-8.22% +5.33%
UK excluding London median salary £47,500 £41,250 £38,500
% change year-on-year
+15.15% +7.14%
CentOS
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 South Wales region.

Operating Systems Category
South Wales
Permanent IT job ads with a match in the
Operating Systems category
286 368 307
As % of all permanent IT jobs located in South Wales 25.07% 29.94% 27.22%
Number of salaries quoted 247 318 279
Median salary £35,000 £36,000 £33,000
Median salary % change year-on-year
-2.77% +9.09%
90% offered a salary of more than £21,000 £25,500 £25,600
10% offered a salary of more than £45,000 £42,500 £44,000
UK excluding London median salary £38,000 £37,500 £36,000
% change year-on-year
+1.33% +4.16%

CentOS
Jobs Demand Trend in South Wales

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

CentOS Jobs Demand Trend in South Wales

CentOS
Salary Trend in South Wales

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

CentOS Salary Trend in South Wales

CentOS
Salary Histogram in South Wales

This chart provides a salary histogram for IT jobs citing CentOS across the South Wales region over the 3 months to 1 July 2016.

CentOS Salary Histogram in South Wales

CentOS
Job Locations in South Wales

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the South Wales region over the 3 months to 1 July 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
Cardiff +8 9 £32,500 -18.75%
Bridgend - 1 £42,500 -
CentOS
Wales

CentOS
Top 30 Related IT Skills in South Wales

For the 6 months to 1 July 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 South Wales region with a requirement for CentOS.

1 20 (100.00%) Linux
2 16 (80.00%) Red Hat
3 15 (75.00%) Red Hat Enterprise Linux
4 10 (50.00%) Agile Software Development
4 10 (50.00%) DNS
5 9 (45.00%) Apache
6 8 (40.00%) VMware
7 7 (35.00%) Squid
7 7 (35.00%) Python
7 7 (35.00%) Kerberos
7 7 (35.00%) NFS
7 7 (35.00%) IBM
7 7 (35.00%) EMC
7 7 (35.00%) SAN
7 7 (35.00%) Network Security
7 7 (35.00%) iSCSI
7 7 (35.00%) VMware Infrastructure
7 7 (35.00%) OpenLDAP
7 7 (35.00%) NAS
8 6 (30.00%) Marketing
8 6 (30.00%) QA
8 6 (30.00%) PaaS
8 6 (30.00%) High Availability
8 6 (30.00%) Big Data
8 6 (30.00%) Mobile Marketing
8 6 (30.00%) Low Latency
8 6 (30.00%) TCP/IP
8 6 (30.00%) Data Mining
8 6 (30.00%) E-Commerce
8 6 (30.00%) Firewall

CentOS
Top Related IT Skills in South 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 9 (45.00%) Apache
2 2 (10.00%) JBoss
2 2 (10.00%) OpenStack
3 1 (5.00%) Tomcat
3 1 (5.00%) WebSphere
Business Applications
1 1 (5.00%) Remedy ITSM
Cloud Services
1 6 (30.00%) PaaS
2 4 (20.00%) Amazon AWS
3 2 (10.00%) Microsoft Azure
Communications & Networking
1 10 (50.00%) DNS
2 7 (35.00%) iSCSI
2 7 (35.00%) Kerberos
2 7 (35.00%) NAS
2 7 (35.00%) Network Security
2 7 (35.00%) OpenLDAP
2 7 (35.00%) SAN
3 6 (30.00%) Firewall
3 6 (30.00%) TCP/IP
4 5 (25.00%) tcpdump
4 5 (25.00%) Wireshark
5 4 (20.00%) LAN
6 3 (15.00%) VLAN
7 1 (5.00%) PuTTY
7 1 (5.00%) SSH
7 1 (5.00%) SSL
7 1 (5.00%) Telnet
7 1 (5.00%) VPN
7 1 (5.00%) WAN
7 1 (5.00%) Wireless
Database & Business Intelligence
1 6 (30.00%) Big Data
1 6 (30.00%) Data Mining
2 3 (15.00%) MySQL
Development Applications
1 3 (15.00%) Atlassian Bamboo
1 3 (15.00%) Cucumber
1 3 (15.00%) Git (software)
1 3 (15.00%) Jenkins
1 3 (15.00%) JMeter
1 3 (15.00%) Subversion
1 3 (15.00%) TestLink
1 3 (15.00%) The Grinder
1 3 (15.00%) VersionOne
General
1 6 (30.00%) Advertising
1 6 (30.00%) Marketing
1 6 (30.00%) Telecoms
Job Titles
1 12 (60.00%) Administrator
1 12 (60.00%) Systems Administrator
2 9 (45.00%) Linux Administrator
2 9 (45.00%) Linux Systems Administrator
3 3 (15.00%) Linux Engineer
3 3 (15.00%) Test Engineer
4 2 (10.00%) DevOps Engineer
4 2 (10.00%) Infrastructure Engineer
4 2 (10.00%) Linux DevOps Engineer
4 2 (10.00%) Linux/Unix DevOps
5 1 (5.00%) Integration Engineer
5 1 (5.00%) Senior Infrastructure Engineer
5 1 (5.00%) Senior Linux Engineer
5 1 (5.00%) Team Leader
5 1 (5.00%) Unix Team Leader
Libraries, Frameworks & Software Standards
1 3 (15.00%) REST
1 3 (15.00%) Web Services
Miscellaneous
1 3 (15.00%) Client/Server
1 3 (15.00%) Management Information System
1 3 (15.00%) Statistics
1 3 (15.00%) User Experience
2 2 (10.00%) Public Cloud
Operating Systems
1 20 (100.00%) Linux
2 15 (75.00%) Red Hat Enterprise Linux
3 5 (25.00%) Debian
3 5 (25.00%) Ubuntu
4 4 (20.00%) Unix
5 1 (5.00%) AIX
5 1 (5.00%) HPUX
5 1 (5.00%) Solaris
Processes & Methodologies
1 10 (50.00%) Agile Software Development
2 6 (30.00%) E-Commerce
2 6 (30.00%) High Availability
2 6 (30.00%) Low Latency
2 6 (30.00%) Mobile Marketing
3 4 (20.00%) Scrum
4 3 (15.00%) API Testing
4 3 (15.00%) BDD
4 3 (15.00%) Continuous Delivery
4 3 (15.00%) Defect Management
4 3 (15.00%) Product Management
4 3 (15.00%) Software Testing
4 3 (15.00%) Test Management
5 2 (10.00%) DevOps
5 2 (10.00%) Load Balancing
5 2 (10.00%) Validation
6 1 (5.00%) Asset Management
6 1 (5.00%) Network Management
6 1 (5.00%) Performance Monitoring
6 1 (5.00%) Performance Tuning
Programming Languages
1 7 (35.00%) Python
2 5 (25.00%) Bash Shell
2 5 (25.00%) Perl
3 4 (20.00%) C
4 3 (15.00%) Groovy
4 3 (15.00%) Java
4 3 (15.00%) SQL
5 1 (5.00%) Shell Script
Quality Assurance & Compliance
1 6 (30.00%) QA
System Software
1 7 (35.00%) NFS
1 7 (35.00%) Squid
1 7 (35.00%) VMware Infrastructure
2 3 (15.00%) iptables
3 2 (10.00%) VMware ESXi
4 1 (5.00%) Hyper-V
4 1 (5.00%) VMware ESX
Systems Management
1 3 (15.00%) HP Quality Center
2 2 (10.00%) Ansible
2 2 (10.00%) Nagios
2 2 (10.00%) Nessus
2 2 (10.00%) Nmap
2 2 (10.00%) Opscode Chef
2 2 (10.00%) Puppet
3 1 (5.00%) BladeLogic
3 1 (5.00%) BMC PATROL
Vendors
1 16 (80.00%) Red Hat
2 8 (40.00%) VMware
3 7 (35.00%) EMC
3 7 (35.00%) IBM
4 3 (15.00%) Cisco
4 3 (15.00%) F5
4 3 (15.00%) Perforce
5 1 (5.00%) AppDynamics
5 1 (5.00%) BMC
5 1 (5.00%) HP
5 1 (5.00%) Remedy