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 4 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
4 Dec 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 54 32 -
Rank change year-on-year
-22 -
Contract jobs citing CentOS 3 15 0
As % of all contract IT jobs located in Sheffield 0.58% 3.41% -
As % of the Operating Systems category 3.80% 15.31% -
Number of daily rates quoted 3 14 0
Median daily rate £425 £503 -
Median daily rate % change year-on-year
-15.42% -
UK excluding London median daily rate £450 £420 £375
% change year-on-year
+7.14% +12.00%
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
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
79 98 53
As % of all contract IT jobs located in Sheffield 15.31% 22.27% 21.46%
Number of daily rates quoted 56 68 27
Median daily rate £450 £425 £325
Median daily rate % change year-on-year
+5.88% +30.76%
90% offered a daily rate of more than £328 £120 £125
10% offered a daily rate of more than £550 £518 £400
UK excluding London median daily rate £350 £350 £330
% change year-on-year
- +6.06%
Number of hourly rates quoted 5 11 10
Median hourly rate £17.50 £9.00 £15.73
Median hourly rate % change year-on-year
+94.44% -42.76%
90% offered a hourly rate of more than £12.10 £9.00 £10.33
10% offered a hourly rate of more than £27.25 £15.50 £38.00
UK excluding London median hourly rate £16.50 £16.50 £16.00
% change year-on-year
- +3.12%

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 4 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 Sheffield region with a requirement for CentOS.

1 5 (100.00%) Java
1 5 (100.00%) Linux
1 5 (100.00%) Agile Software Development
2 3 (60.00%) SQL
2 3 (60.00%) Amazon AWS
2 3 (60.00%) Bash Shell
2 3 (60.00%) Git (software)
2 3 (60.00%) Jenkins
2 3 (60.00%) Ansible
2 3 (60.00%) DevOps
3 2 (40.00%) Kibana
3 2 (40.00%) GlusterFS
3 2 (40.00%) Docker
3 2 (40.00%) logstash
3 2 (40.00%) Big Data
3 2 (40.00%) GitHub
3 2 (40.00%) Windows
3 2 (40.00%) Elasticsearch
3 2 (40.00%) Process Improvement
3 2 (40.00%) MySQL
3 2 (40.00%) JavaScript
3 2 (40.00%) Perl
3 2 (40.00%) ETL
3 2 (40.00%) TCP/IP
3 2 (40.00%) Microsoft
3 2 (40.00%) Active Directory
3 2 (40.00%) Nagios
3 2 (40.00%) Configuration Management
3 2 (40.00%) PostgreSQL
3 2 (40.00%) TDD

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 2 (40.00%) Elasticsearch
1 2 (40.00%) nginx
1 2 (40.00%) Tomcat
2 1 (20.00%) Alfresco
2 1 (20.00%) Apache ServiceMix
2 1 (20.00%) Confluence
2 1 (20.00%) Jetty
Cloud Services
1 3 (60.00%) Amazon AWS
2 2 (40.00%) GitHub
3 1 (20.00%) Amazon EC2
3 1 (20.00%) Amazon ElastiCache
3 1 (20.00%) Amazon ELB
3 1 (20.00%) Amazon S3
3 1 (20.00%) AWS CloudFormation
3 1 (20.00%) CloudFront
Communications & Networking
1 2 (40.00%) TCP/IP
Database & Business Intelligence
1 2 (40.00%) Big Data
1 2 (40.00%) Data Lake
1 2 (40.00%) Hadoop
1 2 (40.00%) MySQL
1 2 (40.00%) PostgreSQL
2 1 (20.00%) Amazon RDS
2 1 (20.00%) Redis
2 1 (20.00%) SQL Server
Development Applications
1 3 (60.00%) Git (software)
1 3 (60.00%) Jenkins
2 1 (20.00%) Atlassian Bamboo
2 1 (20.00%) JIRA
2 1 (20.00%) Vagrant
Job Titles
1 2 (40.00%) Administrator
1 2 (40.00%) Developer
1 2 (40.00%) DevOps Administrator
1 2 (40.00%) Hadoop Administrator
1 2 (40.00%) Java Developer
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%) DevOps Engineer
2 1 (20.00%) Elasticsearch Developer
Libraries, Frameworks & Software Standards
1 2 (40.00%) ELK Stack
2 1 (20.00%) ActiveMQ
2 1 (20.00%) Apache Camel
2 1 (20.00%) Apache CXF
2 1 (20.00%) RabbitMQ
2 1 (20.00%) SOAP
Miscellaneous
1 2 (40.00%) Visualisation
Operating Systems
1 5 (100.00%) Linux
2 2 (40.00%) Red Hat Enterprise Linux
2 2 (40.00%) Windows
2 2 (40.00%) Windows Server
Processes & Methodologies
1 5 (100.00%) Agile Software Development
2 3 (60.00%) DevOps
3 2 (40.00%) Configuration Management
3 2 (40.00%) Continuous Integration
3 2 (40.00%) Data Analysis
3 2 (40.00%) ETL
3 2 (40.00%) Process Improvement
3 2 (40.00%) TDD
4 1 (20.00%) Continuous Deployment
Programming Languages
1 5 (100.00%) Java
2 3 (60.00%) Bash Shell
2 3 (60.00%) SQL
3 2 (40.00%) JavaScript
3 2 (40.00%) Perl
4 1 (20.00%) PHP
4 1 (20.00%) Python
System Software
1 2 (40.00%) Active Directory
1 2 (40.00%) Docker
1 2 (40.00%) GlusterFS
Systems Management
1 3 (60.00%) Ansible
2 2 (40.00%) Kibana
2 2 (40.00%) logstash
2 2 (40.00%) Nagios
3 1 (20.00%) Opscode Chef
3 1 (20.00%) Packer
3 1 (20.00%) Puppet
3 1 (20.00%) ZABBIX
Vendors
1 2 (40.00%) Microsoft
2 1 (20.00%) New Relic
2 1 (20.00%) SaltStack