The table below looks at the statistics for CentOS skills in IT contracts advertised for the Portsmouth region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 11 December 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
11 Dec 2016
Same period 2015 Same period 2014
CentOS Linux
Rank - 17 25
Contract jobs citing CentOS 0 8 1
As % of all contract IT jobs located in Portsmouth - 6.15% 0.68%
As % of the Operating Systems category - 17.02% 1.67%
Number of daily rates quoted 0 6 0
Median daily rate - £275 -
UK excluding London median daily rate £450 £425 £375
% change year-on-year
+5.88% +13.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £18.00 £50.50 -
% change year-on-year
-64.35% -
CentOS
Hampshire

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

Operating Systems Category
Portsmouth
Contract IT job ads with a match in the
Operating Systems category
47 47 60
As % of all contract IT jobs located in Portsmouth 34.56% 36.15% 40.54%
Number of daily rates quoted 17 21 41
Median daily rate £448 £325 £300
Median daily rate % change year-on-year
+37.69% +8.33%
90% offered a daily rate of more than £325 £275 £135
10% offered a daily rate of more than £491 £430 £450
UK excluding London median daily rate £350 £350 £331
% change year-on-year
- +5.74%
Number of hourly rates quoted 10 7 5
Median hourly rate £49.46 £11.50 £20.00
Median hourly rate % change year-on-year
+330.08% -42.50%
90% offered a hourly rate of more than £28.20 £10.50 £15.74
10% offered a hourly rate of more than £54.50 £30.23 £24.15
UK excluding London median hourly rate £16.50 £17.00 £16.00
% change year-on-year
-2.94% +6.25%

CentOS
Jobs Demand Trend in Portsmouth

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

CentOS Jobs Demand Trend in Portsmouth

CentOS
Daily Rate Trend in Portsmouth

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

CentOS Daily Rate Trend in Portsmouth

CentOS
Top 30 Related IT Skills in Portsmouth

For the 6 months to 11 December 2016, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Portsmouth region with a requirement for CentOS.

1 8 (100.00%) JavaScript
1 8 (100.00%) PHP
1 8 (100.00%) SQL
1 8 (100.00%) MySQL
1 8 (100.00%) Apache
1 8 (100.00%) CCNP
1 8 (100.00%) Cisco Certification
1 8 (100.00%) Unix
1 8 (100.00%) Linux
1 8 (100.00%) LAMP
1 8 (100.00%) Agile Software Development
1 8 (100.00%) Subversion
1 8 (100.00%) QA
1 8 (100.00%) CakePHP
1 8 (100.00%) jQuery
1 8 (100.00%) Unit Testing
1 8 (100.00%) Red Hat Enterprise Linux
1 8 (100.00%) PHPUnit
1 8 (100.00%) OO PHP
2 7 (87.50%) XML
2 7 (87.50%) MongoDB
2 7 (87.50%) NoSQL
2 7 (87.50%) REST
2 7 (87.50%) JSON
2 7 (87.50%) SOAP
3 6 (75.00%) Scrum
3 6 (75.00%) SDLC
4 1 (12.50%) AngularJS
4 1 (12.50%) OO
4 1 (12.50%) Web Services

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 8 (100.00%) Apache
Database & Business Intelligence
1 8 (100.00%) MySQL
2 7 (87.50%) MongoDB
2 7 (87.50%) NoSQL
Development Applications
1 8 (100.00%) PHPUnit
1 8 (100.00%) Subversion
Job Titles
1 8 (100.00%) Developer
1 8 (100.00%) PHP Developer
Libraries, Frameworks & Software Standards
1 8 (100.00%) CakePHP
1 8 (100.00%) jQuery
1 8 (100.00%) LAMP
2 7 (87.50%) JSON
2 7 (87.50%) REST
2 7 (87.50%) SOAP
2 7 (87.50%) XML
3 1 (12.50%) AngularJS
3 1 (12.50%) Web Services
Operating Systems
1 8 (100.00%) Linux
1 8 (100.00%) Red Hat Enterprise Linux
1 8 (100.00%) Unix
Processes & Methodologies
1 8 (100.00%) Agile Software Development
1 8 (100.00%) OO PHP
1 8 (100.00%) Unit Testing
2 6 (75.00%) Scrum
2 6 (75.00%) SDLC
3 1 (12.50%) MVC
3 1 (12.50%) OO
Programming Languages
1 8 (100.00%) JavaScript
1 8 (100.00%) PHP
1 8 (100.00%) SQL
Qualifications
1 8 (100.00%) CCNP
1 8 (100.00%) Cisco Certification
Quality Assurance & Compliance
1 8 (100.00%) QA