The following table provides summary statistics for permanent job vacancies advertised in Caerphilly with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 3 months to 28 March 2017 with a comparison to the same period in the previous 2 years.

Linux
South Wales / Caerphilly
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 11 3 16
Rank change year-on-year -8 +13  
Permanent jobs citing Linux 2 5 5
As % of all permanent IT jobs advertised in Caerphilly 5.41% 45.45% 11.36%
As % of the Operating Systems category 12.50% 62.50% 21.74%
Number of salaries quoted 2 4 5
Median salary £30,500 £49,750 £40,000
Median salary % change year-on-year -38.69% +24.37%  
UK excluding London median salary £42,500 £42,500 £42,000
% change year-on-year - +1.19%  

Linux 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 Caerphilly with a requirement for operating system skills.

Operating System Skills
Caerphilly
Permanent job vacancies with a requirement for operating system skills 16 8 23
As % of all permanent IT job vacancies advertised in Caerphilly 43.24% 72.73% 52.27%
Number of salaries quoted 14 7 16
Median salary £27,500 £41,000 £40,000
Median salary % change year-on-year -32.92% +2.50%  
90% offered a salary of more than £22,500 £31,000 £20,000
10% offered a salary of more than £32,500 £45,000 £70,000
UK excluding London median salary £37,500 £37,500 £37,500

Linux
Job Vacancy Trend in Caerphilly

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

Job vacancy trend for Linux in Caerphilly

Linux
Salary Trend in Caerphilly

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

Salary trend for Linux in Caerphilly

For the 6 months to 28 March 2017, IT jobs citing Linux 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 Caerphilly region with a requirement for Linux.

1 2 (66.67%) PL/SQL
1 2 (66.67%) SQL
1 2 (66.67%) Oracle
1 2 (66.67%) Windows
1 2 (66.67%) Oracle Linux
1 2 (66.67%) Windows Server 2012
1 2 (66.67%) Oracle Database
1 2 (66.67%) Analytical Skills
1 2 (66.67%) Windows Server
2 1 (33.33%) Web Design
2 1 (33.33%) Content Marketing
2 1 (33.33%) Responsive Web Design
2 1 (33.33%) Sass
2 1 (33.33%) LESS
2 1 (33.33%) Marketing
2 1 (33.33%) jQuery
2 1 (33.33%) WordPress
2 1 (33.33%) HTML5
2 1 (33.33%) CSS
2 1 (33.33%) MySQL
2 1 (33.33%) HTML
2 1 (33.33%) PHP

Linux
Co-occurring IT Skills in Caerphilly 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 1 (33.33%) WordPress
Database & Business Intelligence
1 2 (66.67%) Oracle Database
2 1 (33.33%) MySQL
General
1 1 (33.33%) Marketing
Job Titles
1 2 (66.67%) Administrator
1 2 (66.67%) DBA
1 2 (66.67%) Oracle DBA
2 1 (33.33%) Developer
2 1 (33.33%) PHP Developer
Libraries, Frameworks & Software Standards
1 1 (33.33%) CSS
1 1 (33.33%) HTML
1 1 (33.33%) HTML5
1 1 (33.33%) jQuery
1 1 (33.33%) LESS
1 1 (33.33%) Sass
Miscellaneous
1 2 (66.67%) Analytical Skills
Operating Systems
1 2 (66.67%) Oracle Linux
1 2 (66.67%) Windows
1 2 (66.67%) Windows Server
1 2 (66.67%) Windows Server 2012
Processes & Methodologies
1 1 (33.33%) Content Marketing
1 1 (33.33%) Responsive Web Design
1 1 (33.33%) Web Design
Programming Languages
1 2 (66.67%) PL/SQL
1 2 (66.67%) SQL
2 1 (33.33%) PHP
Vendors
1 2 (66.67%) Oracle