The following table provides summary statistics for permanent job vacancies advertised in Torfaen with a requirement for CentOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CentOS over the 3 months to 22 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
CentOS Linux
South Wales / Torfaen
Rank 13 25 29
Rank change year-on-year +12 +4  
Permanent jobs citing CentOS 1 9 6
As % of all permanent IT jobs advertised in Torfaen 2.94% 8.91% 5.00%
As % of the Operating Systems category 7.69% 16.36% 6.90%
Number of salaries quoted 1 9 2
Median salary £22,000 £45,000 £37,000
Median salary % change year-on-year -51.11% +21.62%  
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year - +5.88%  

CentOS is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Torfaen with a requirement for operating system skills.

Operating System Skills
Torfaen
Permanent job vacancies with a requirement for operating system skills 13 55 87
As % of all permanent IT job vacancies advertised in Torfaen 38.24% 54.46% 72.50%
Number of salaries quoted 9 50 63
Median salary £38,500 £41,500 £42,500
Median salary % change year-on-year -7.22% -2.35%  
90% offered a salary of more than £22,000 £22,500 £25,000
10% offered a salary of more than £41,500 £60,000 £47,100
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in Torfaen

The job posting trend of jobs advertised in Torfaen citing CentOS as a proportion of all permanent or contract IT jobs with a match in the Operating Systems category.

Job vacancy trend for CentOS in Torfaen

CentOS
Salary Trend in Torfaen

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

Salary trend for CentOS in Torfaen

CentOS
Job Locations in Torfaen

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Torfaen region over the 3 months to 22 March 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
Cwmbran +12 1 £22,000 -51.11%
CentOS
South Wales

CentOS
Top 30 Related IT Skills in Torfaen

For the 6 months to 22 March 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 Torfaen region with a requirement for CentOS.

1 4 (100.00%) Linux
1 4 (100.00%) Red Hat
2 3 (75.00%) Telecoms
2 3 (75.00%) Agile Software Development
3 2 (50.00%) Advertising
3 2 (50.00%) Squid
3 2 (50.00%) QA
3 2 (50.00%) Data Mining
3 2 (50.00%) Kerberos
3 2 (50.00%) NFS
3 2 (50.00%) DNS
3 2 (50.00%) IBM
3 2 (50.00%) EMC
3 2 (50.00%) SAN
3 2 (50.00%) Apache
3 2 (50.00%) E-Commerce
3 2 (50.00%) Red Hat Enterprise Linux
3 2 (50.00%) OpenLDAP
3 2 (50.00%) NAS
3 2 (50.00%) PaaS
3 2 (50.00%) Marketing
3 2 (50.00%) Network Security
3 2 (50.00%) iSCSI
3 2 (50.00%) High Availability
3 2 (50.00%) Big Data
3 2 (50.00%) Mobile Marketing
3 2 (50.00%) Low Latency
4 1 (25.00%) User Experience
4 1 (25.00%) TestLink
4 1 (25.00%) VersionOne

CentOS
Top Related IT Skills in Torfaen 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 2 (50.00%) Apache
2 1 (25.00%) Confluence
Cloud Services
1 2 (50.00%) PaaS
Communications & Networking
1 2 (50.00%) DNS
1 2 (50.00%) iSCSI
1 2 (50.00%) Kerberos
1 2 (50.00%) NAS
1 2 (50.00%) Network Security
1 2 (50.00%) OpenLDAP
1 2 (50.00%) SAN
2 1 (25.00%) IP Telephony
2 1 (25.00%) Unified Communications
2 1 (25.00%) VoIP
Database & Business Intelligence
1 2 (50.00%) Big Data
1 2 (50.00%) Data Mining
Development Applications
1 1 (25.00%) Atlassian Bamboo
1 1 (25.00%) Cucumber
1 1 (25.00%) Jenkins
1 1 (25.00%) JIRA
1 1 (25.00%) JUnit
1 1 (25.00%) TestLink
1 1 (25.00%) VersionOne
General
1 3 (75.00%) Telecoms
2 2 (50.00%) Advertising
2 2 (50.00%) Marketing
Job Titles
1 2 (50.00%) Administrator
1 2 (50.00%) Linux Administrator
1 2 (50.00%) Linux Systems Administrator
1 2 (50.00%) Systems Administrator
2 1 (25.00%) Analyst
2 1 (25.00%) Senior Analyst
2 1 (25.00%) Senior Test Analyst
2 1 (25.00%) Test Analyst
2 1 (25.00%) VoIP Engineer
Miscellaneous
1 1 (25.00%) Client/Server
1 1 (25.00%) User Experience
Operating Systems
1 4 (100.00%) Linux
2 2 (50.00%) Red Hat Enterprise Linux
3 1 (25.00%) Android
3 1 (25.00%) Apple iOS
3 1 (25.00%) Debian
3 1 (25.00%) Ubuntu
Processes & Methodologies
1 3 (75.00%) Agile Software Development
2 2 (50.00%) E-Commerce
2 2 (50.00%) High Availability
2 2 (50.00%) Low Latency
2 2 (50.00%) Mobile Marketing
3 1 (25.00%) Bug Management
3 1 (25.00%) Continuous Integration
3 1 (25.00%) Regression Testing
3 1 (25.00%) Test Management
Programming Languages
1 1 (25.00%) Bash Shell
1 1 (25.00%) C++
1 1 (25.00%) Java
1 1 (25.00%) JavaScript
1 1 (25.00%) Korn
1 1 (25.00%) Objective-C
1 1 (25.00%) Perl
1 1 (25.00%) PHP
1 1 (25.00%) Python
Quality Assurance & Compliance
1 2 (50.00%) QA
System Software
1 2 (50.00%) NFS
1 2 (50.00%) Squid
Vendors
1 4 (100.00%) Red Hat
2 2 (50.00%) EMC
2 2 (50.00%) IBM
3 1 (25.00%) Perforce