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 28 July 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
28 Jul 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 41 33 27
Rank change year-on-year
-8 -6
Contract jobs citing CentOS 3 1 1
As % of all contract IT jobs located in Sheffield 0.75% 0.36% 0.53%
As % of the Operating Systems category 2.91% 1.96% 1.89%
Number of daily rates quoted 3 1 0
Median daily rate £305 £450 -
Median daily rate % change year-on-year
-32.22% -
UK excluding London median daily rate £425 £345 £350
% change year-on-year
+23.18% -1.42%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £13.50 - £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
103 51 53
As % of all contract IT jobs located in Sheffield 25.81% 18.28% 28.34%
Number of daily rates quoted 81 34 25
Median daily rate £500 £275 £275
Median daily rate % change year-on-year
+81.81% -
90% offered a daily rate of more than £305 £120 £110
10% offered a daily rate of more than £550 £430 £425
UK excluding London median daily rate £350 £350 £309
% change year-on-year
- +13.12%
Number of hourly rates quoted 2 4 11
Median hourly rate £27.50 £12.50 £15.00
Median hourly rate % change year-on-year
+120.00% -16.66%
UK excluding London median hourly rate £16.50 £16.50 £15.00
% change year-on-year
- +10.00%

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
Daily Rate Histogram in Sheffield

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the Sheffield region over the 3 months to 28 July 2016.

CentOS Daily Rate Histogram in Sheffield

CentOS
Top 30 Related IT Skills in Sheffield

For the 6 months to 28 July 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 5 (100.00%) Red Hat Enterprise Linux
1 5 (100.00%) Linux
1 5 (100.00%) DevOps
2 4 (80.00%) Docker
2 4 (80.00%) Jenkins
2 4 (80.00%) Git (software)
2 4 (80.00%) Bash Shell
2 4 (80.00%) Java
2 4 (80.00%) Microsoft
3 3 (60.00%) Configuration Management
3 3 (60.00%) Opscode Chef
4 2 (40.00%) ETL
4 2 (40.00%) TCP/IP
4 2 (40.00%) Splunk
4 2 (40.00%) Big Data
4 2 (40.00%) Kafka
4 2 (40.00%) Puppet
4 2 (40.00%) MongoDB
4 2 (40.00%) NoSQL
4 2 (40.00%) RabbitMQ
4 2 (40.00%) Hadoop
4 2 (40.00%) CouchDB
4 2 (40.00%) Visualisation
4 2 (40.00%) Microsoft Azure
4 2 (40.00%) Amazon AWS
4 2 (40.00%) Agile Software Development
4 2 (40.00%) Data Management
4 2 (40.00%) Data Analysis
4 2 (40.00%) Ruby
4 2 (40.00%) Continuous Integration

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:

Cloud Services
1 2 (40.00%) Amazon AWS
1 2 (40.00%) Microsoft Azure
Communications & Networking
1 2 (40.00%) TCP/IP
Database & Business Intelligence
1 2 (40.00%) Big Data
1 2 (40.00%) CouchDB
1 2 (40.00%) Data Lake
1 2 (40.00%) Hadoop
1 2 (40.00%) MongoDB
1 2 (40.00%) MySQL
1 2 (40.00%) NoSQL
Development Applications
1 4 (80.00%) Git (software)
1 4 (80.00%) Jenkins
General
1 1 (20.00%) Games
Job Titles
1 2 (40.00%) Administrator
1 2 (40.00%) DevOps Administrator
1 2 (40.00%) DevOps Engineer
1 2 (40.00%) Hadoop Administrator
1 2 (40.00%) Linux/Unix DevOps
1 2 (40.00%) Systems Administrator
1 2 (40.00%) Windows Administrator
1 2 (40.00%) Windows Systems Administrator
2 1 (20.00%) Games Engineer
2 1 (20.00%) Senior DevOps
Libraries, Frameworks & Software Standards
1 2 (40.00%) Dropwizard
1 2 (40.00%) Kafka
1 2 (40.00%) RabbitMQ
Miscellaneous
1 2 (40.00%) Data Centre
1 2 (40.00%) Private Cloud
1 2 (40.00%) Visualisation
Operating Systems
1 5 (100.00%) Linux
1 5 (100.00%) Red Hat Enterprise Linux
2 2 (40.00%) Unix
2 2 (40.00%) Windows
2 2 (40.00%) Windows Server
Processes & Methodologies
1 5 (100.00%) DevOps
2 3 (60.00%) Configuration Management
3 2 (40.00%) Agile Software Development
3 2 (40.00%) Continuous Integration
3 2 (40.00%) Data Analysis
3 2 (40.00%) Data Management
3 2 (40.00%) ETL
3 2 (40.00%) Microservices
3 2 (40.00%) SDLC
Programming Languages
1 4 (80.00%) Bash Shell
1 4 (80.00%) Java
2 2 (40.00%) JavaScript
2 2 (40.00%) Perl
2 2 (40.00%) Ruby
2 2 (40.00%) SQL
System Software
1 4 (80.00%) Docker
2 2 (40.00%) Active Directory
Systems Management
1 3 (60.00%) Opscode Chef
2 2 (40.00%) Graphite
2 2 (40.00%) Nagios
2 2 (40.00%) Puppet
2 2 (40.00%) Salt
Vendors
1 4 (80.00%) Microsoft
2 2 (40.00%) Red Hat
2 2 (40.00%) Splunk
3 1 (20.00%) F5