The following table provides summary statistics for permanent job vacancies advertised in Portsmouth 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 27 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
27 Mar 2017
Same period 2016 Same period 2015
CentOS Linux
Hampshire / Portsmouth
Rank 51 36 46
Rank change year-on-year -15 +10  
Permanent jobs citing CentOS 2 11 11
As % of all permanent IT jobs advertised in Portsmouth 0.63% 4.17% 3.58%
As % of the Operating Systems category 2.67% 8.53% 11.34%
Number of salaries quoted 2 11 11
Median salary £40,000 £37,500 £45,000
Median salary % change year-on-year +6.66% -16.66%  
UK excluding London median salary £43,000 £45,000 £42,500
% change year-on-year -4.44% +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 Portsmouth with a requirement for operating system skills.

Operating System Skills
Portsmouth
Permanent job vacancies with a requirement for operating system skills 75 129 97
As % of all permanent IT job vacancies advertised in Portsmouth 23.51% 48.86% 31.60%
Number of salaries quoted 73 123 93
Median salary £39,000 £35,000 £44,500
Median salary % change year-on-year +11.42% -21.34%  
90% offered a salary of more than £21,500 £32,500 £27,500
10% offered a salary of more than £65,000 £50,000 £47,500
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in Portsmouth

The job posting trend of jobs advertised in Portsmouth 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 Portsmouth

CentOS
Salary Trend in Portsmouth

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

Salary trend for CentOS in Portsmouth

CentOS
Top 21 Related IT Skills in Portsmouth

For the 6 months to 27 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 Portsmouth region with a requirement for CentOS.

1 2 (100.00%) HTML
1 2 (100.00%) JavaScript
1 2 (100.00%) PHP
1 2 (100.00%) MySQL
1 2 (100.00%) CSS
1 2 (100.00%) Linux
1 2 (100.00%) OOP
1 2 (100.00%) OO
1 2 (100.00%) Apache
1 2 (100.00%) CRM
1 2 (100.00%) MVC
1 2 (100.00%) Finance
1 2 (100.00%) LAMP
1 2 (100.00%) Ubuntu
1 2 (100.00%) Web Development
1 2 (100.00%) Symfony
1 2 (100.00%) Zend
1 2 (100.00%) PHP 5
1 2 (100.00%) jQuery
1 2 (100.00%) Twitter Bootstrap
1 2 (100.00%) OO PHP

CentOS
Top Related IT Skills in Portsmouth 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 (100.00%) Apache
Database & Business Intelligence
1 2 (100.00%) MySQL
General
1 2 (100.00%) Finance
Job Titles
1 2 (100.00%) Developer
1 2 (100.00%) PHP Developer
Libraries, Frameworks & Software Standards
1 2 (100.00%) CSS
1 2 (100.00%) HTML
1 2 (100.00%) jQuery
1 2 (100.00%) LAMP
1 2 (100.00%) Symfony
1 2 (100.00%) Twitter Bootstrap
Operating Systems
1 2 (100.00%) Linux
1 2 (100.00%) Ubuntu
Processes & Methodologies
1 2 (100.00%) CRM
1 2 (100.00%) MVC
1 2 (100.00%) OO
1 2 (100.00%) OO PHP
1 2 (100.00%) OOP
1 2 (100.00%) Web Development
Programming Languages
1 2 (100.00%) JavaScript
1 2 (100.00%) PHP
1 2 (100.00%) PHP 5
Vendors
1 2 (100.00%) Zend
Portsmouth, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £40000 - £50000 per annum + benefits
Posted: 6 days ago
Portsmouth
Spectrum IT
Salary: £35000 - £45000 per annum + training and benefits
Posted: 17 days ago