The following table provides summary statistics for permanent job vacancies advertised in Hertford 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
Hertfordshire / Hertford
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 15 6 -
Rank change year-on-year -9 -  
Permanent jobs citing Linux 4 8 0
As % of all permanent IT jobs advertised in Hertford 7.84% 26.67% -
As % of the Operating Systems category 33.33% 88.89% -
Number of salaries quoted 4 8 0
Median salary £30,000 £60,000 -
Median salary % change year-on-year -50.00% -  
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 Hertford with a requirement for operating system skills.

Operating System Skills
Hertford
Permanent job vacancies with a requirement for operating system skills 12 9 5
As % of all permanent IT job vacancies advertised in Hertford 23.53% 30.00% 13.89%
Number of salaries quoted 12 9 5
Median salary £24,000 £60,000 £70,000
Median salary % change year-on-year -60.00% -14.28%  
90% offered a salary of more than £19,000 £27,500 £37,500
10% offered a salary of more than £70,000 £70,000 £60,000
UK excluding London median salary £37,500 £37,500 £37,500

Linux
Job Vacancy Trend in Hertford

The job posting trend of jobs advertised in Hertford 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 Hertford

Linux
Salary Trend in Hertford

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

Salary trend for Linux in Hertford

Linux
Top 13 Co-occurring IT Skills in Hertford

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 Hertford region with a requirement for Linux.

1 5 (83.33%) HTML
1 5 (83.33%) PHP
1 5 (83.33%) .NET
1 5 (83.33%) XML
1 5 (83.33%) XSL
1 5 (83.33%) LAMP
1 5 (83.33%) Web Development
2 2 (33.33%) Marketing
2 2 (33.33%) MySQL
2 2 (33.33%) CakePHP
2 2 (33.33%) Analytical Skills
3 1 (16.67%) C
3 1 (16.67%) C++

Linux
Co-occurring IT Skills in Hertford 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:

Database & Business Intelligence
1 2 (33.33%) MySQL
General
1 2 (33.33%) Marketing
Job Titles
1 5 (83.33%) Developer
2 4 (66.67%) PHP Developer
Libraries, Frameworks & Software Standards
1 5 (83.33%) .NET
1 5 (83.33%) HTML
1 5 (83.33%) LAMP
1 5 (83.33%) XML
1 5 (83.33%) XSL
2 2 (33.33%) CakePHP
Miscellaneous
1 2 (33.33%) Analytical Skills
Processes & Methodologies
1 5 (83.33%) Web Development
Programming Languages
1 5 (83.33%) PHP
2 1 (16.67%) C
2 1 (16.67%) C++