The table below looks at the statistics for CentOS skills in IT contracts advertised for the Yorkshire region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 30 August 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
30 Aug 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 119 104 97
Rank change year-on-year
-15 -7
Contract jobs citing CentOS 31 42 27
As % of all contract IT jobs located in Yorkshire 1.06% 1.35% 1.14%
As % of the Operating Systems category 5.02% 5.86% 5.49%
Number of daily rates quoted 27 25 22
Median daily rate £350 £300 £225
Median daily rate % change year-on-year
+16.66% +33.33%
90% offered a daily rate of more than £250 £275 £184
10% offered a daily rate of more than £565 £425 £259
UK excluding London median daily rate £425 £340 £375
% change year-on-year
+25.00% -9.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £13.50 £36.00 -
% change year-on-year
-62.50% -
CentOS
England

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

Operating Systems Category
Yorkshire
Contract IT job ads with a match in the
Operating Systems category
618 717 492
As % of all contract IT jobs located in Yorkshire 21.06% 22.98% 20.80%
Number of daily rates quoted 409 400 277
Median daily rate £375 £350 £300
Median daily rate % change year-on-year
+7.14% +16.66%
90% offered a daily rate of more than £225 £175 £145
10% offered a daily rate of more than £550 £465 £425
UK excluding London median daily rate £350 £350 £320
% change year-on-year
- +9.37%
Number of hourly rates quoted 35 77 67
Median hourly rate £13.70 £13.00 £13.98
Median hourly rate % change year-on-year
+5.38% -6.97%
90% offered a hourly rate of more than £9.80 £9.50 £10.26
10% offered a hourly rate of more than £66.50 £22.50 £25.00
UK excluding London median hourly rate £16.50 £17.00 £16.00
% change year-on-year
-2.94% +6.25%

CentOS
Jobs Demand Trend in Yorkshire

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

CentOS Jobs Demand Trend in Yorkshire

CentOS
Daily Rate Trend in Yorkshire

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

CentOS Daily Rate Trend in Yorkshire

CentOS
Daily Rate Histogram in Yorkshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the Yorkshire region over the 3 months to 30 August 2016.

CentOS Daily Rate Histogram in Yorkshire

CentOS
Hourly Rate Trend in Yorkshire

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

CentOS Hourly Rate Trend in Yorkshire

CentOS
Contract Job Locations in Yorkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Yorkshire region over the 3 months to 30 August 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
West Yorkshire -8 24 £420 +40.00% 2
North Yorkshire - 4 £338 - 1
South Yorkshire -14 2 £305 -28.23%
CentOS
England

CentOS
Top 30 Related IT Skills in Yorkshire

For the 6 months to 30 August 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 Yorkshire region with a requirement for CentOS.

1 52 (100.00%) Linux
2 33 (63.46%) Ubuntu
3 25 (48.08%) VMware
4 23 (44.23%) Red Hat
4 23 (44.23%) DevOps
5 19 (36.54%) Red Hat Enterprise Linux
6 16 (30.77%) SAN
6 16 (30.77%) OpenStack
6 16 (30.77%) Ansible
7 15 (28.85%) Opscode Chef
7 15 (28.85%) Jenkins
7 15 (28.85%) DNS
7 15 (28.85%) Security Cleared
7 15 (28.85%) VMware Server
8 14 (26.92%) Amazon AWS
8 14 (26.92%) Nagios
8 14 (26.92%) Splunk
9 12 (23.08%) Disclosure Scotland
9 12 (23.08%) Grafana
9 12 (23.08%) Puppet
9 12 (23.08%) Degree
9 12 (23.08%) Agile Software Development
10 11 (21.15%) SC Cleared
10 11 (21.15%) Git (software)
11 10 (19.23%) VMware Infrastructure
11 10 (19.23%) NHS
11 10 (19.23%) DHCP
11 10 (19.23%) Configuration Management
12 9 (17.31%) Scrum
12 9 (17.31%) ITIL

CentOS
Top Related IT Skills in Yorkshire 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 16 (30.77%) OpenStack
2 9 (17.31%) Confluence
3 6 (11.54%) Apache
4 5 (9.62%) Cloud Foundry
4 5 (9.62%) GlassFish
4 5 (9.62%) nginx
4 5 (9.62%) Tomcat
Cloud Services
1 14 (26.92%) Amazon AWS
2 7 (13.46%) PaaS
Communications & Networking
1 16 (30.77%) SAN
2 15 (28.85%) DNS
3 10 (19.23%) DHCP
4 6 (11.54%) Firewall
5 5 (9.62%) F5 BIG-IP GTM
5 5 (9.62%) F5 BIG-IP LTM
6 2 (3.85%) TCP/IP
7 1 (1.92%) Kerberos
7 1 (1.92%) LAN
7 1 (1.92%) LDAP
7 1 (1.92%) MPLS
7 1 (1.92%) Network Security
7 1 (1.92%) Reverse Proxy
7 1 (1.92%) WAN
Database & Business Intelligence
1 5 (9.62%) MongoDB
1 5 (9.62%) PostgreSQL
1 5 (9.62%) Redis
2 4 (7.69%) Big Data
2 4 (7.69%) Hadoop
3 2 (3.85%) Data Lake
3 2 (3.85%) MySQL
Development Applications
1 15 (28.85%) Jenkins
2 11 (21.15%) Git (software)
3 9 (17.31%) JIRA
4 7 (13.46%) Maven
5 5 (9.62%) Gitweb
6 4 (7.69%) Appium
6 4 (7.69%) Mocha
6 4 (7.69%) Selenium
6 4 (7.69%) SonarQube
7 3 (5.77%) Ant
7 3 (5.77%) Atlassian Bamboo
7 3 (5.77%) TeamCity
8 1 (1.92%) Gradle
8 1 (1.92%) Travis CI
8 1 (1.92%) Vagrant
General
1 8 (15.38%) Back Office
2 1 (1.92%) Billing
2 1 (1.92%) Games
2 1 (1.92%) Retail
2 1 (1.92%) Telecoms
Job Titles
1 21 (40.38%) DevOps Engineer
2 9 (17.31%) Linux Engineer
2 9 (17.31%) Linux/Unix DevOps
3 7 (13.46%) AWS DevOps
3 7 (13.46%) AWS Engineer
3 7 (13.46%) Linux DevOps Engineer
3 7 (13.46%) Operations Engineer
3 7 (13.46%) Storage Specialist
3 7 (13.46%) Support Technician
4 6 (11.54%) Hardware Specialist
4 6 (11.54%) Senior Technician
5 5 (9.62%) Senior Support Technician
6 4 (7.69%) Administrator
6 4 (7.69%) Systems Administrator
7 2 (3.85%) 2nd Line Support
7 2 (3.85%) Linux Administrator
7 2 (3.85%) Linux Systems Administrator
7 2 (3.85%) Support Engineer
7 2 (3.85%) Windows Administrator
7 2 (3.85%) Windows Systems Administrator
Libraries, Frameworks & Software Standards
1 5 (9.62%) LAPP Stack
1 5 (9.62%) Node.js
1 5 (9.62%) RabbitMQ
2 4 (7.69%) Chai
3 3 (5.77%) J2EE
4 2 (3.85%) Django
4 2 (3.85%) Ruby on Rails
Miscellaneous
1 10 (19.23%) NHS
2 7 (13.46%) Enterprise Cloud
2 7 (13.46%) Public Cloud
3 2 (3.85%) Video on Demand
3 2 (3.85%) Visualisation
4 1 (1.92%) Data Centre
4 1 (1.92%) Digital Media
4 1 (1.92%) Management Information System
Operating Systems
1 52 (100.00%) Linux
2 33 (63.46%) Ubuntu
3 19 (36.54%) Red Hat Enterprise Linux
4 7 (13.46%) Fedora
5 3 (5.77%) Debian
5 3 (5.77%) Windows
5 3 (5.77%) Windows Server
6 1 (1.92%) Windows Server 2008
6 1 (1.92%) Windows Server 2012
Processes & Methodologies
1 23 (44.23%) DevOps
2 12 (23.08%) Agile Software Development
3 10 (19.23%) Configuration Management
4 9 (17.31%) ITIL
4 9 (17.31%) Scrum
5 8 (15.38%) Service Management
5 8 (15.38%) Workflow
6 7 (13.46%) Open Source
6 7 (13.46%) Software Engineering
7 6 (11.54%) Continuous Integration
7 6 (11.54%) Kanban
8 5 (9.62%) Continuous Improvement
8 5 (9.62%) Security Patching
9 4 (7.69%) Build Automation
9 4 (7.69%) Data Migration
9 4 (7.69%) Migration
10 2 (3.85%) CRM
10 2 (3.85%) Data Analysis
10 2 (3.85%) ETL
11 1 (1.92%) Web Development
Programming Languages
1 9 (17.31%) Java
2 6 (11.54%) Bash Shell
2 6 (11.54%) PHP
2 6 (11.54%) Ruby
3 3 (5.77%) JavaScript
4 2 (3.85%) Perl
5 1 (1.92%) SQL
Qualifications
1 15 (28.85%) Security Cleared
2 12 (23.08%) Degree
3 11 (21.15%) SC Cleared
4 9 (17.31%) BPSS Clearance
5 1 (1.92%) CCNA
5 1 (1.92%) Cisco Certification
Quality Assurance & Compliance
1 12 (23.08%) Disclosure Scotland
2 1 (1.92%) QA
System Software
1 15 (28.85%) VMware Server
2 10 (19.23%) VMware Infrastructure
3 6 (11.54%) Docker
3 6 (11.54%) Squid
4 5 (9.62%) NFS
4 5 (9.62%) vSphere
5 3 (5.77%) Active Directory
6 1 (1.92%) vCloud
Systems Management
1 16 (30.77%) Ansible
2 15 (28.85%) Opscode Chef
3 14 (26.92%) Nagios
4 12 (23.08%) Grafana
4 12 (23.08%) Puppet
5 6 (11.54%) Salt
6 5 (9.62%) Graphite
6 5 (9.62%) Graylog
6 5 (9.62%) HAProxy
6 5 (9.62%) Icinga
6 5 (9.62%) StatsD
6 5 (9.62%) Terraform
Vendors
1 25 (48.08%) VMware
2 23 (44.23%) Red Hat
3 14 (26.92%) Splunk
4 8 (15.38%) F5
5 5 (9.62%) New Relic
5 5 (9.62%) Oracle
5 5 (9.62%) Palo Alto
6 4 (7.69%) Atlassian
7 2 (3.85%) Microsoft
8 1 (1.92%) Cisco
8 1 (1.92%) Citrix
8 1 (1.92%) RightScale
8 1 (1.92%) Salesforce.com