The table below looks at the statistics for CentOS skills in IT contracts advertised for the Leeds 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 89 86 62
Rank change year-on-year
-3 -24
Contract jobs citing CentOS 13 22 29
As % of all contract IT jobs located in Leeds 0.86% 1.52% 2.33%
As % of the Operating Systems category 3.68% 6.16% 10.66%
Number of daily rates quoted 13 17 19
Median daily rate £475 £225 £185
Median daily rate % change year-on-year
+111.11% +21.62%
90% offered a daily rate of more than £350 £219 £165
10% offered a daily rate of more than £565 £267 £282
UK excluding London median daily rate £425 £375 £350
% change year-on-year
+13.33% +7.14%
Number of hourly rates quoted 0 0 3
Median hourly rate - - £16.00
UK excluding London median hourly rate £55.00 - £16.75
CentOS
West 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 Leeds region.

Operating Systems Category
Leeds
Contract IT job ads with a match in the
Operating Systems category
353 357 272
As % of all contract IT jobs located in Leeds 23.32% 24.67% 21.81%
Number of daily rates quoted 239 232 161
Median daily rate £400 £350 £275
Median daily rate % change year-on-year
+14.28% +27.27%
90% offered a daily rate of more than £280 £175 £157
10% offered a daily rate of more than £550 £430 £393
UK excluding London median daily rate £365 £345 £313
% change year-on-year
+5.79% +10.40%
Number of hourly rates quoted 10 19 19
Median hourly rate £11.00 £17.50 £15.50
Median hourly rate % change year-on-year
-37.14% +12.90%
90% offered a hourly rate of more than £9.83 £9.57 £11.13
10% offered a hourly rate of more than £15.60 £32.20 £17.50
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 Leeds

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

CentOS Jobs Demand Trend in Leeds

CentOS
Daily Rate Trend in Leeds

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

CentOS Daily Rate Trend in Leeds

CentOS
Daily Rate Histogram in Leeds

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the Leeds region over the 3 months to 29 May 2016.

CentOS Daily Rate Histogram in Leeds

CentOS
Hourly Rate Trend in Leeds

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

CentOS Hourly Rate Trend in Leeds

CentOS
Top 30 Related IT Skills in Leeds

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 Leeds region with a requirement for CentOS.

1 21 (100.00%) Linux
2 17 (80.95%) Ubuntu
3 12 (57.14%) DevOps
4 11 (52.38%) Red Hat Enterprise Linux
5 10 (47.62%) Puppet
6 9 (42.86%) VMware
7 7 (33.33%) Java
7 7 (33.33%) DNS
7 7 (33.33%) Red Hat
8 6 (28.57%) SAN
8 6 (28.57%) DHCP
8 6 (28.57%) Splunk
8 6 (28.57%) Opscode Chef
8 6 (28.57%) Git (software)
8 6 (28.57%) VMware Server
9 5 (23.81%) Degree
9 5 (23.81%) Security Cleared
9 5 (23.81%) Bash Shell
9 5 (23.81%) NHS
9 5 (23.81%) Configuration Management
9 5 (23.81%) Ruby
9 5 (23.81%) Disclosure Scotland
9 5 (23.81%) Salt
9 5 (23.81%) Jenkins
9 5 (23.81%) Ansible
10 4 (19.05%) OpenStack
10 4 (19.05%) Build Automation
10 4 (19.05%) Graphite
10 4 (19.05%) Maven
10 4 (19.05%) MongoDB

CentOS
Top Related IT Skills in Leeds 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 4 (19.05%) OpenStack
2 1 (4.76%) Apache
2 1 (4.76%) Cloud Foundry
2 1 (4.76%) Confluence
2 1 (4.76%) GlassFish
2 1 (4.76%) nginx
2 1 (4.76%) Node.js
2 1 (4.76%) Tomcat
Cloud Services
1 4 (19.05%) Amazon AWS
2 3 (14.29%) PaaS
3 1 (4.76%) GitHub
Communications & Networking
1 7 (33.33%) DNS
2 6 (28.57%) DHCP
2 6 (28.57%) SAN
3 1 (4.76%) F5 BIG-IP GTM
3 1 (4.76%) F5 BIG-IP LTM
3 1 (4.76%) Firewall
Database & Business Intelligence
1 4 (19.05%) MongoDB
2 3 (14.29%) CouchDB
3 1 (4.76%) PostgreSQL
3 1 (4.76%) Redis
Development Applications
1 6 (28.57%) Git (software)
2 5 (23.81%) Jenkins
3 4 (19.05%) Maven
4 1 (4.76%) Gitweb
4 1 (4.76%) JIRA
General
1 3 (14.29%) Back Office
Job Titles
1 11 (52.38%) DevOps Engineer
2 7 (33.33%) Linux DevOps Engineer
2 7 (33.33%) Linux Engineer
2 7 (33.33%) Linux/Unix DevOps
3 4 (19.05%) AWS Engineer
3 4 (19.05%) Hardware Specialist
3 4 (19.05%) Storage Specialist
4 3 (14.29%) Java Engineer
4 3 (14.29%) Senior Technician
5 2 (9.52%) Cloud Engineer
5 2 (9.52%) Senior Support Technician
5 2 (9.52%) Support Technician
6 1 (4.76%) Automation Engineer
6 1 (4.76%) Automation Specialist
6 1 (4.76%) DevOps Specialist
6 1 (4.76%) Hardware Engineer
6 1 (4.76%) IT Engineer
6 1 (4.76%) IT Support
6 1 (4.76%) Server Support
6 1 (4.76%) Storage Engineer
Libraries, Frameworks & Software Standards
1 4 (19.05%) RabbitMQ
2 3 (14.29%) Dropwizard
2 3 (14.29%) Kafka
3 1 (4.76%) ELK Stack
3 1 (4.76%) LAPP Stack
Miscellaneous
1 5 (23.81%) NHS
2 3 (14.29%) Enterprise Cloud
2 3 (14.29%) Public Cloud
Operating Systems
1 21 (100.00%) Linux
2 17 (80.95%) Ubuntu
3 11 (52.38%) Red Hat Enterprise Linux
4 3 (14.29%) Fedora
5 1 (4.76%) SUSE
Processes & Methodologies
1 12 (57.14%) DevOps
2 5 (23.81%) Configuration Management
3 4 (19.05%) Build Automation
3 4 (19.05%) Continuous Integration
4 3 (14.29%) ITIL
4 3 (14.29%) Microservices
4 3 (14.29%) Open Source
4 3 (14.29%) Service Management
4 3 (14.29%) Software Engineering
4 3 (14.29%) Workflow
5 2 (9.52%) Data Migration
5 2 (9.52%) Migration
6 1 (4.76%) Agile Software Development
6 1 (4.76%) Continuous Improvement
6 1 (4.76%) Kanban
6 1 (4.76%) Performance Tuning
6 1 (4.76%) Refactoring
6 1 (4.76%) Scrum
6 1 (4.76%) Security Patching
Programming Languages
1 7 (33.33%) Java
2 5 (23.81%) Bash Shell
2 5 (23.81%) Ruby
3 1 (4.76%) PHP
3 1 (4.76%) Python
Qualifications
1 5 (23.81%) Degree
1 5 (23.81%) Security Cleared
2 3 (14.29%) BPSS Clearance
2 3 (14.29%) SC Cleared
Quality Assurance & Compliance
1 5 (23.81%) Disclosure Scotland
System Software
1 6 (28.57%) VMware Server
2 3 (14.29%) Docker
3 1 (4.76%) NFS
3 1 (4.76%) Squid
3 1 (4.76%) VMware Infrastructure
Systems Management
1 10 (47.62%) Puppet
2 6 (28.57%) Opscode Chef
3 5 (23.81%) Ansible
3 5 (23.81%) Salt
4 4 (19.05%) Graphite
5 1 (4.76%) Grafana
5 1 (4.76%) Graylog
5 1 (4.76%) HAProxy
5 1 (4.76%) Icinga
5 1 (4.76%) Nagios
5 1 (4.76%) StatsD
5 1 (4.76%) Terraform
Vendors
1 9 (42.86%) VMware
2 7 (33.33%) Red Hat
3 6 (28.57%) Splunk
4 1 (4.76%) F5
4 1 (4.76%) New Relic
4 1 (4.76%) Oracle
4 1 (4.76%) Palo Alto