The table below looks at the statistics for CentOS skills in IT contracts advertised for the Cambridge region. Included is a guide to the average contractor rates offered in IT contracts that have cited CentOS over the 3 months to 12 February 2016 with a comparison to the same period in 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.

Location
3 months to
12 Feb 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 41 34 38
Rank change year-on-year
-7 +4
Contract jobs citing CentOS 4 5 1
As % of all contract IT jobs located in Cambridge 1.07% 1.60% 0.37%
As % of the Operating Systems category 5.97% 7.35% 1.10%
Number of daily rates quoted 3 2 1
Average daily rate £360 £170 £413
Average daily rate % change year-on-year
+111.76% -58.78%
UK excluding London average daily rate £450 £350 £400
% change year-on-year
+28.57% -12.50%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - £47.50 £15.00
% change year-on-year
- +216.66%
CentOS
Cambridgeshire

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

Operating Systems Category
Cambridge
Contract IT job ads with a match in the
Operating Systems category
67 68 91
As % of all contract IT jobs located in Cambridge 17.96% 21.73% 33.33%
Number of daily rates quoted 29 33 48
Average daily rate £320 £205 £375
Average daily rate % change year-on-year
+56.09% -45.33%
90% offered a daily rate of more than £165 £155 £190
10% offered a daily rate of more than £425 £400 £625
UK excluding London average daily rate £350 £335 £308
% change year-on-year
+4.47% +8.94%
Number of hourly rates quoted 16 3 13
Average hourly rate £38.13 £46.00 £20.00
Average hourly rate % change year-on-year
-17.11% +130.00%
90% offered a hourly rate of more than £16.60 £22.50 £10.20
10% offered a hourly rate of more than £60.00 £46.45 £42.00
UK excluding London average hourly rate £17.50 £16.00 £15.00
% change year-on-year
+9.37% +6.66%

CentOS
Jobs Demand Trend in Cambridge

This chart provides a 3-month moving total of IT contractor jobs citing CentOS across the Cambridge region as a proportion of the total demand within the Operating Systems category.

CentOS Jobs Demand Trend in Cambridge

CentOS
Daily Rate Trend in Cambridge

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

CentOS Daily Rate Trend in Cambridge

CentOS
Hourly Rate Trend in Cambridge

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing CentOS across the Cambridge region.

CentOS Hourly Rate Trend in Cambridge

CentOS
Top 30 Related IT Skills in Cambridge

For the 6 months to 12 February 2016, IT contractor jobs across the Cambridge region citing CentOS also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited CentOS.

1 13 (100.00%) Linux
2 12 (92.31%) Ubuntu
3 10 (76.92%) Red Hat
3 10 (76.92%) Perl
4 9 (69.23%) Unix
4 9 (69.23%) Bash Shell
4 9 (69.23%) Puppet
4 9 (69.23%) Solaris
5 8 (61.54%) Red Hat Enterprise Linux
6 7 (53.85%) ITIL
7 4 (30.77%) VMware
8 3 (23.08%) DNS
8 3 (23.08%) Microsoft
9 2 (15.38%) Python
9 2 (15.38%) VoIP
9 2 (15.38%) Windows
9 2 (15.38%) MySQL
9 2 (15.38%) Java
9 2 (15.38%) ITSM
9 2 (15.38%) Configuration Management
9 2 (15.38%) Business Continuity
9 2 (15.38%) Agile Software Development
9 2 (15.38%) Atlassian Bamboo
9 2 (15.38%) Continuous Integration
9 2 (15.38%) Opscode Chef
9 2 (15.38%) Docker
9 2 (15.38%) CFEngine
9 2 (15.38%) Jenkins
9 2 (15.38%) DevOps
10 1 (7.69%) AppDynamics

CentOS
Top Related IT Skills in Cambridge by Category

For the 6 months to 12 February 2016, IT contractor jobs across the Cambridge region citing CentOS also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited CentOS. Up to 20 skills are shown per category.

Application Platforms
1 1 (7.69%) nginx
Cloud Services
1 1 (7.69%) Amazon AWS
1 1 (7.69%) Microsoft Azure
Communications & Networking
1 3 (23.08%) DNS
2 2 (15.38%) VoIP
3 1 (7.69%) Firewall
3 1 (7.69%) TCP/IP
Database & Business Intelligence
1 2 (15.38%) MySQL
2 1 (7.69%) NoSQL
Development Applications
1 2 (15.38%) Atlassian Bamboo
1 2 (15.38%) Jenkins
2 1 (7.69%) Cucumber
2 1 (7.69%) Git (software)
2 1 (7.69%) Octopus Deploy
2 1 (7.69%) Selenium
2 1 (7.69%) Subversion
2 1 (7.69%) Vagrant
Job Titles
1 9 (69.23%) Linux Administrator
1 9 (69.23%) Linux Systems Administrator
1 9 (69.23%) Systems Administrator
2 4 (30.77%) Administrator
3 2 (15.38%) Analyst
3 2 (15.38%) DevOps Engineer
3 2 (15.38%) Senior Linux Administrator
3 2 (15.38%) Senior Linux Systems Administrator
3 2 (15.38%) Senior Systems Administrator
3 2 (15.38%) Service Analyst
3 2 (15.38%) Service Desk Analyst
3 2 (15.38%) Solaris Administrator
3 2 (15.38%) Solaris Systems Administrator
3 2 (15.38%) Ubuntu Administrator
3 2 (15.38%) Unix Administrator
3 2 (15.38%) Unix Linux Systems Administrator
3 2 (15.38%) Unix Systems Administrator
4 1 (7.69%) Lead DevOps Engineer
4 1 (7.69%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 1 (7.69%) HTML
1 1 (7.69%) HTML5
1 1 (7.69%) LAMP
1 1 (7.69%) LEMP Stack
1 1 (7.69%) Spring
1 1 (7.69%) Spring Boot
1 1 (7.69%) Web Services
Operating Systems
1 13 (100.00%) Linux
2 12 (92.31%) Ubuntu
3 9 (69.23%) Solaris
3 9 (69.23%) Unix
4 8 (61.54%) Red Hat Enterprise Linux
5 2 (15.38%) Windows
Processes & Methodologies
1 7 (53.85%) ITIL
2 2 (15.38%) Agile Software Development
2 2 (15.38%) Business Continuity
2 2 (15.38%) Configuration Management
2 2 (15.38%) Continuous Integration
2 2 (15.38%) DevOps
2 2 (15.38%) ITSM
3 1 (7.69%) BDD
3 1 (7.69%) High Availability
3 1 (7.69%) Load Balancing
3 1 (7.69%) Scalability Testing
3 1 (7.69%) Scrum
3 1 (7.69%) TDD
Programming Languages
1 10 (76.92%) Perl
2 9 (69.23%) Bash Shell
3 2 (15.38%) Java
3 2 (15.38%) Python
4 1 (7.69%) JavaScript
4 1 (7.69%) Ruby
System Software
1 2 (15.38%) Docker
Systems Management
1 9 (69.23%) Puppet
2 2 (15.38%) CFEngine
2 2 (15.38%) Opscode Chef
3 1 (7.69%) Nagios
Vendors
1 10 (76.92%) Red Hat
2 4 (30.77%) VMware
3 3 (23.08%) Microsoft
4 1 (7.69%) AppDynamics
4 1 (7.69%) LogRhythm
4 1 (7.69%) New Relic