The table below looks at the statistics for CentOS skills in IT jobs advertised for the Portsmouth region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 9 December 2016 with a comparison to the same period over the previous 2 years.

3 months to
9 Dec 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 52 47 72
Rank change year-on-year
-5 +25
Permanent jobs citing CentOS 3 18 6
As % of all permanent IT jobs located in Portsmouth 0.91% 4.41% 1.47%
As % of the Operating Systems category 2.68% 10.53% 4.51%
Number of salaries quoted 3 18 6
Median salary £50,000 £36,000 £40,000
Median salary % change year-on-year
+38.88% -10.00%
UK excluding London median salary £45,000 £45,000 £38,500
% change year-on-year
- +16.88%
CentOS
Hampshire

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in permanent jobs advertised in the Portsmouth region.

Operating Systems Category
Portsmouth
Permanent IT job ads with a match in the
Operating Systems category
112 171 133
As % of all permanent IT jobs located in Portsmouth 33.94% 41.91% 32.52%
Number of salaries quoted 103 150 119
Median salary £40,000 £37,500 £45,000
Median salary % change year-on-year
+6.66% -16.66%
90% offered a salary of more than £23,000 £27,500 £22,500
10% offered a salary of more than £50,000 £55,000 £50,000
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Jobs Demand Trend in Portsmouth

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

CentOS Jobs Demand Trend in Portsmouth

CentOS
Salary Trend in Portsmouth

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

CentOS Salary Trend in Portsmouth

CentOS
Top 30 Related IT Skills in Portsmouth

For the 6 months to 9 December 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 Portsmouth region with a requirement for CentOS.

1 22 (100.00%) Unix
1 22 (100.00%) Linux
1 22 (100.00%) Red Hat Enterprise Linux
2 19 (86.36%) PHPUnit
2 19 (86.36%) MongoDB
2 19 (86.36%) NoSQL
2 19 (86.36%) REST
2 19 (86.36%) OO PHP
2 19 (86.36%) SDLC
2 19 (86.36%) Apache
2 19 (86.36%) Cisco Certification
2 19 (86.36%) PHP
2 19 (86.36%) SQL
2 19 (86.36%) MySQL
2 19 (86.36%) JavaScript
2 19 (86.36%) SOAP
2 19 (86.36%) XML
2 19 (86.36%) CCNP
2 19 (86.36%) LAMP
2 19 (86.36%) Scrum
2 19 (86.36%) Agile Software Development
2 19 (86.36%) Subversion
2 19 (86.36%) JSON
2 19 (86.36%) QA
2 19 (86.36%) CakePHP
2 19 (86.36%) jQuery
2 19 (86.36%) Unit Testing
3 3 (13.64%) Security Cleared
3 3 (13.64%) VMware Infrastructure
3 3 (13.64%) Software Testing

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 19 (86.36%) Apache
Database & Business Intelligence
1 19 (86.36%) MongoDB
1 19 (86.36%) MySQL
1 19 (86.36%) NoSQL
Development Applications
1 19 (86.36%) PHPUnit
1 19 (86.36%) Subversion
Job Titles
1 19 (86.36%) Developer
1 19 (86.36%) PHP Developer
2 3 (13.64%) Infrastructure Engineer
2 3 (13.64%) Linux Engineer
Libraries, Frameworks & Software Standards
1 19 (86.36%) CakePHP
1 19 (86.36%) jQuery
1 19 (86.36%) JSON
1 19 (86.36%) LAMP
1 19 (86.36%) REST
1 19 (86.36%) SOAP
1 19 (86.36%) XML
Miscellaneous
1 3 (13.64%) Derivative
Operating Systems
1 22 (100.00%) Linux
1 22 (100.00%) Red Hat Enterprise Linux
1 22 (100.00%) Unix
2 3 (13.64%) Oracle Linux
Processes & Methodologies
1 19 (86.36%) Agile Software Development
1 19 (86.36%) OO PHP
1 19 (86.36%) Scrum
1 19 (86.36%) SDLC
1 19 (86.36%) Unit Testing
2 3 (13.64%) Infrastructure Management
2 3 (13.64%) ITIL
2 3 (13.64%) Open Source
2 3 (13.64%) Security Management
2 3 (13.64%) Software Testing
Programming Languages
1 19 (86.36%) JavaScript
1 19 (86.36%) PHP
1 19 (86.36%) SQL
2 3 (13.64%) Bash Shell
2 3 (13.64%) Perl
2 3 (13.64%) Python
2 3 (13.64%) Shell Script
Qualifications
1 19 (86.36%) CCNP
1 19 (86.36%) Cisco Certification
2 3 (13.64%) RHCE
2 3 (13.64%) RHCSA
2 3 (13.64%) Security Cleared
Quality Assurance & Compliance
1 19 (86.36%) QA
System Software
1 3 (13.64%) Virtual Machines
1 3 (13.64%) VMware Infrastructure
Systems Management
1 3 (13.64%) Puppet
Vendors
1 3 (13.64%) HP
1 3 (13.64%) Microsoft
1 3 (13.64%) Oracle
1 3 (13.64%) Red Hat
1 3 (13.64%) VMware