The table below looks at the statistics for CentOS skills in IT contracts advertised for the Sheffield region. Included is a guide to the average contractor rates offered in IT contracts that have cited CentOS over the 3 months to 29 April 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.

3 months to
29 Apr 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 55 26 29
Rank change year-on-year
-29 +3
Contract jobs citing CentOS 2 11 1
As % of all contract IT jobs located in Sheffield 0.45% 3.49% 0.48%
As % of the Operating Systems category 1.65% 16.92% 1.39%
Number of daily rates quoted 2 9 0
Average daily rate £475 £400 -
Average daily rate % change year-on-year
+18.75% -
UK excluding London average daily rate £425 £350 £375
% change year-on-year
+21.42% -6.66%
Number of hourly rates quoted 0 0 1
Average hourly rate - - £35.00
UK excluding London average hourly rate £8.50 - £35.00
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
121 65 72
As % of all contract IT jobs located in Sheffield 27.25% 20.63% 34.78%
Number of daily rates quoted 99 35 40
Average daily rate £425 £294 £280
Average daily rate % change year-on-year
+44.68% +4.91%
90% offered a daily rate of more than £325 £140 £175
10% offered a daily rate of more than £625 £450 £400
UK excluding London average daily rate £363 £338 £320
% change year-on-year
+7.40% +5.46%
Number of hourly rates quoted 0 12 13
Average hourly rate - £13.00 £12.00
Average hourly rate % change year-on-year
- +8.33%
UK excluding London average hourly rate £17.00 £15.80 £16.00
% change year-on-year
+7.59% -1.25%

CentOS
Jobs Demand Trend in Sheffield

This chart provides a 3-month moving total of IT contractor jobs citing CentOS across the Sheffield region as a proportion of the total demand within 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 April 2016, IT contractor jobs across the Sheffield 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 17 (100.00%) Java
2 16 (94.12%) MongoDB
2 16 (94.12%) Jenkins
3 12 (70.59%) Tomcat
3 12 (70.59%) Nagios
3 12 (70.59%) PostgreSQL
3 12 (70.59%) Maven
3 12 (70.59%) GitLab
4 11 (64.71%) Opsview
4 11 (64.71%) Artifactory
4 11 (64.71%) nginx
5 10 (58.82%) Agile Software Development
6 8 (47.06%) Puppet
7 6 (35.29%) DevOps
7 6 (35.29%) Linux
8 5 (29.41%) Opscode Chef
8 5 (29.41%) Docker
8 5 (29.41%) Kafka
8 5 (29.41%) Splunk
8 5 (29.41%) CouchDB
8 5 (29.41%) RabbitMQ
8 5 (29.41%) Red Hat Enterprise Linux
8 5 (29.41%) Git (software)
8 5 (29.41%) Salt
8 5 (29.41%) Microservices
8 5 (29.41%) Graphite
8 5 (29.41%) SDLC
9 4 (23.53%) Disclosure Scotland
9 4 (23.53%) Private Cloud
9 4 (23.53%) Data Centre

CentOS
Top Related IT Skills in Sheffield by Category

For the 6 months to 29 April 2016, IT contractor jobs across the Sheffield 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 12 (70.59%) Tomcat
2 11 (64.71%) nginx
Cloud Services
1 4 (23.53%) Microsoft Azure
Communications & Networking
1 2 (11.76%) SMS
Database & Business Intelligence
1 16 (94.12%) MongoDB
2 12 (70.59%) PostgreSQL
3 5 (29.41%) CouchDB
4 4 (23.53%) NoSQL
Development Applications
1 16 (94.12%) Jenkins
2 12 (70.59%) GitLab
2 12 (70.59%) Maven
3 11 (64.71%) Artifactory
4 5 (29.41%) Git (software)
General
1 4 (23.53%) Local Government
2 1 (5.88%) Finance
Job Titles
1 3 (17.65%) Developer
1 3 (17.65%) DevOps Engineer
2 2 (11.76%) Analyst
2 2 (11.76%) Consultant
2 2 (11.76%) Digital Analyst
2 2 (11.76%) Java Developer
2 2 (11.76%) Operations Consultant
2 2 (11.76%) QA Analyst
2 2 (11.76%) QA Test Analyst
2 2 (11.76%) Senior Developer
2 2 (11.76%) Test Analyst
2 2 (11.76%) Test Leader
2 2 (11.76%) Web Consultant
2 2 (11.76%) WebOps Consultant
3 1 (5.88%) DevOps Specialist
3 1 (5.88%) Digital Developer
3 1 (5.88%) Java Engineer
3 1 (5.88%) Java Software Developer
3 1 (5.88%) Linux/Unix DevOps
3 1 (5.88%) Ruby Engineer
Libraries, Frameworks & Software Standards
1 5 (29.41%) Kafka
1 5 (29.41%) RabbitMQ
2 4 (23.53%) Web Services
3 1 (5.88%) AngularJS
3 1 (5.88%) CSS
3 1 (5.88%) HTML
3 1 (5.88%) HTML5
3 1 (5.88%) REST
Miscellaneous
1 4 (23.53%) Data Centre
1 4 (23.53%) Management Information System
1 4 (23.53%) Private Cloud
Operating Systems
1 6 (35.29%) Linux
2 5 (29.41%) Red Hat Enterprise Linux
3 4 (23.53%) Unix
Processes & Methodologies
1 10 (58.82%) Agile Software Development
2 6 (35.29%) DevOps
3 5 (29.41%) Microservices
3 5 (29.41%) SDLC
4 4 (23.53%) Data Management
4 4 (23.53%) Fund Management
4 4 (23.53%) Test Scripting
5 3 (17.65%) Web Operations
6 2 (11.76%) API Integration
6 2 (11.76%) Continuous Improvement
6 2 (11.76%) Test Strategy
6 2 (11.76%) User Stories
7 1 (5.88%) Migration
7 1 (5.88%) Responsive Web Design
7 1 (5.88%) Web Development
Programming Languages
1 17 (100.00%) Java
2 4 (23.53%) Bash Shell
2 4 (23.53%) Ruby
2 4 (23.53%) SQL
3 1 (5.88%) JavaScript
Qualifications
1 3 (17.65%) Security Cleared
2 1 (5.88%) BPSS Clearance
Quality Assurance & Compliance
1 4 (23.53%) Disclosure Scotland
1 4 (23.53%) QA
System Software
1 5 (29.41%) Docker
Systems Management
1 12 (70.59%) Nagios
2 11 (64.71%) Opsview
3 8 (47.06%) Puppet
4 5 (29.41%) Graphite
4 5 (29.41%) Opscode Chef
4 5 (29.41%) Salt
Vendors
1 5 (29.41%) Splunk
2 4 (23.53%) Microsoft
3 2 (11.76%) Red Hat