The table below looks at the statistics for CentOS skills in IT contracts advertised for the Sheffield region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 29 May 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
29 May 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 51 25 -
Rank change year-on-year
-26 -
Contract jobs citing CentOS 1 11 0
As % of all contract IT jobs located in Sheffield 0.24% 3.87% -
As % of the Operating Systems category 0.78% 17.19% -
Number of daily rates quoted 1 9 0
Median daily rate £600 £400 -
Median daily rate % change year-on-year
+50.00% -
UK excluding London median daily rate £425 £375 £350
% change year-on-year
+13.33% +7.14%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £55.00 - £16.75
CentOS
South Yorkshire

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

Operating Systems Category
Sheffield
Contract IT job ads with a match in the
Operating Systems category
129 64 65
As % of all contract IT jobs located in Sheffield 31.01% 22.54% 32.02%
Number of daily rates quoted 106 40 36
Median daily rate £425 £275 £280
Median daily rate % change year-on-year
+54.54% -1.78%
90% offered a daily rate of more than £323 £140 £130
10% offered a daily rate of more than £625 £400 £400
UK excluding London median daily rate £365 £345 £313
% change year-on-year
+5.79% +10.40%
Number of hourly rates quoted 0 9 14
Median hourly rate - £13.50 £13.98
Median hourly rate % change year-on-year
- -3.39%
UK excluding London median hourly rate £16.50 £16.00 £15.50
% change year-on-year
+3.12% +3.22%

CentOS
Jobs Demand Trend in Sheffield

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

CentOS Jobs Demand Trend in Sheffield

CentOS
Daily Rate Trend in Sheffield

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

CentOS Daily Rate Trend in Sheffield

CentOS
Top 30 Related IT Skills in Sheffield

For the 6 months to 29 May 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 Sheffield region with a requirement for CentOS.

1 7 (100.00%) Linux
2 6 (85.71%) Java
2 6 (85.71%) Red Hat Enterprise Linux
2 6 (85.71%) Puppet
2 6 (85.71%) MongoDB
2 6 (85.71%) Opscode Chef
2 6 (85.71%) DevOps
3 5 (71.43%) Salt
3 5 (71.43%) Microservices
3 5 (71.43%) Dropwizard
3 5 (71.43%) Docker
3 5 (71.43%) Jenkins
3 5 (71.43%) Splunk
3 5 (71.43%) Kafka
3 5 (71.43%) Graphite
3 5 (71.43%) RabbitMQ
3 5 (71.43%) CouchDB
3 5 (71.43%) Git (software)
4 4 (57.14%) Data Management
4 4 (57.14%) Ruby
4 4 (57.14%) Microsoft Azure
4 4 (57.14%) Bash Shell
4 4 (57.14%) NoSQL
4 4 (57.14%) SQL
4 4 (57.14%) Unix
4 4 (57.14%) Microsoft
4 4 (57.14%) Private Cloud
4 4 (57.14%) Data Centre
4 4 (57.14%) SDLC
5 3 (42.86%) Red Hat

CentOS
Top Related IT Skills in Sheffield 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 1 (14.29%) nginx
1 1 (14.29%) Tomcat
Cloud Services
1 4 (57.14%) Microsoft Azure
Database & Business Intelligence
1 6 (85.71%) MongoDB
2 5 (71.43%) CouchDB
3 4 (57.14%) NoSQL
4 1 (14.29%) PostgreSQL
Development Applications
1 5 (71.43%) Git (software)
1 5 (71.43%) Jenkins
2 1 (14.29%) Artifactory
2 1 (14.29%) GitLab
2 1 (14.29%) Maven
General
1 1 (14.29%) Games
1 1 (14.29%) Local Government
Job Titles
1 4 (57.14%) DevOps Engineer
2 1 (14.29%) Developer
2 1 (14.29%) Games Engineer
2 1 (14.29%) Java Developer
2 1 (14.29%) Java Engineer
2 1 (14.29%) Linux DevOps Engineer
2 1 (14.29%) Linux Engineer
2 1 (14.29%) Linux/Unix DevOps
2 1 (14.29%) Ruby Engineer
2 1 (14.29%) Senior Developer
2 1 (14.29%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 5 (71.43%) Dropwizard
1 5 (71.43%) Kafka
1 5 (71.43%) RabbitMQ
2 1 (14.29%) AngularJS
2 1 (14.29%) CSS
2 1 (14.29%) HTML
2 1 (14.29%) HTML5
2 1 (14.29%) REST
Miscellaneous
1 4 (57.14%) Data Centre
1 4 (57.14%) Private Cloud
2 1 (14.29%) Management Information System
Operating Systems
1 7 (100.00%) Linux
2 6 (85.71%) Red Hat Enterprise Linux
3 4 (57.14%) Unix
Processes & Methodologies
1 6 (85.71%) DevOps
2 5 (71.43%) Microservices
3 4 (57.14%) Data Management
3 4 (57.14%) SDLC
4 1 (14.29%) Agile Software Development
4 1 (14.29%) Configuration Management
4 1 (14.29%) Fund Management
4 1 (14.29%) Responsive Web Design
Programming Languages
1 6 (85.71%) Java
2 4 (57.14%) Bash Shell
2 4 (57.14%) Ruby
2 4 (57.14%) SQL
3 1 (14.29%) JavaScript
Qualifications
1 1 (14.29%) Security Cleared
Quality Assurance & Compliance
1 1 (14.29%) Disclosure Scotland
System Software
1 5 (71.43%) Docker
Systems Management
1 6 (85.71%) Opscode Chef
1 6 (85.71%) Puppet
2 5 (71.43%) Graphite
2 5 (71.43%) Salt
3 1 (14.29%) Nagios
3 1 (14.29%) Opsview
Vendors
1 5 (71.43%) Splunk
2 4 (57.14%) Microsoft
3 3 (42.86%) Red Hat
4 1 (14.29%) F5