The table below looks at the statistics for CentOS skills in IT contracts advertised for the Leeds region. Included is a guide to the average contractor rates offered in IT contracts that have cited CentOS over the 3 months to 22 December 2014 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.

Location
3 months to
22 Dec 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 68 80 81
Rank change year-on-year
+12 +1
Contract jobs citing CentOS 22 1 1
As % of all contract IT jobs located in Leeds 1.79% 0.10% 0.10%
As % of the Operating Systems category 6.51% 0.44% 0.50%
Number of daily rates quoted 19 1 1
Average daily rate
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£250 £535 £288
Average daily rate % change year-on-year
-53.27% +86.08%
UK excluding London average daily rate £375 £400 £331
% change year-on-year
-6.25% +20.75%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - £32.50 £32.50
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
338 229 200
As % of all contract IT jobs located in Leeds 27.44% 23.15% 20.70%
Number of daily rates quoted 221 130 95
Average daily rate £328 £300 £285
Average daily rate % change year-on-year
+9.16% +5.26%
90% offered a daily rate of more than £175 £216 £200
10% offered a daily rate of more than £430 £400 £413
UK excluding London average daily rate £338 £313 £325
% change year-on-year
+8.00% -3.84%
Number of hourly rates quoted 13 8 15
Average hourly rate £13.50 £12.50 £16.00
Average hourly rate % change year-on-year
+8.00% -21.87%
90% offered a hourly rate of more than £10.60 £11.00 £8.00
10% offered a hourly rate of more than £24.50 £16.00 £114.00
UK excluding London average hourly rate £16.00 £15.00 £17.00
% change year-on-year
+6.66% -11.76%

CentOS
Jobs Demand Trend in Leeds

This chart provides a 3-month moving total of IT contractor jobs citing CentOS across the Leeds region as a proportion of the total demand within 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 22 December 2014.

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 22 December 2014, IT contractor jobs across the Leeds 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 35 (83.33%) Linux
2 32 (76.19%) Splunk
3 29 (69.05%) Red Hat
4 25 (59.52%) Workflow
5 22 (52.38%) Service Management
5 22 (52.38%) PostgreSQL
6 18 (42.86%) Python
6 18 (42.86%) Security Cleared
7 17 (40.48%) Ubuntu
7 17 (40.48%) Incident Management
8 15 (35.71%) SC Cleared
9 14 (33.33%) Nagios
9 14 (33.33%) Puppet
10 13 (30.95%) SQL
10 13 (30.95%) Windows
11 10 (23.81%) VMware
12 8 (19.05%) NHS
12 8 (19.05%) Windows Server 2003
12 8 (19.05%) Firewall
12 8 (19.05%) Windows Server 2008
13 7 (16.67%) Windows XP
14 6 (14.29%) SAN
15 5 (11.90%) C#
15 5 (11.90%) Java
15 5 (11.90%) JavaScript
15 5 (11.90%) PHP
15 5 (11.90%) J2EE
15 5 (11.90%) JUnit
15 5 (11.90%) XML
15 5 (11.90%) UNIX

CentOS
Top Related IT Skills in Leeds by Category

For the 6 months to 22 December 2014, IT contractor jobs across the Leeds 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 5 (11.90%) Apache ServiceMix
Communications & Networking
1 8 (19.05%) Firewall
2 6 (14.29%) SAN
3 3 (7.14%) SSL
3 3 (7.14%) Network Security
4 2 (4.76%) DHCP
4 2 (4.76%) DNS
Database & Business Intelligence
1 22 (52.38%) PostgreSQL
2 5 (11.90%) Pentaho
2 5 (11.90%) NoSQL
3 3 (7.14%) Oracle Reports
4 2 (4.76%) Relational Database
Development Applications
1 5 (11.90%) JUnit
1 5 (11.90%) JMeter
1 5 (11.90%) Subversion
1 5 (11.90%) Git (software)
1 5 (11.90%) QUnit
1 5 (11.90%) Jenkins
2 1 (2.38%) Selenium
Job Titles
1 15 (35.71%) 2nd Line Support
2 9 (21.43%) Analyst
2 9 (21.43%) Support Analyst
3 5 (11.90%) Technical Support
3 5 (11.90%) Developer
3 5 (11.90%) Senior Developer
3 5 (11.90%) 2nd Line Support Analyst
3 5 (11.90%) Linux Support
4 4 (9.52%) Support Engineer
5 3 (7.14%) 2nd Line Support Engineer
6 2 (4.76%) UNIX Engineer
6 2 (4.76%) Firewall Support
6 2 (4.76%) Applications Support
6 2 (4.76%) Support Technician
6 2 (4.76%) Technical Support Analyst
6 2 (4.76%) Technical Analyst
7 1 (2.38%) Desktop Engineer
7 1 (2.38%) IT Support Technician
7 1 (2.38%) Java Developer
7 1 (2.38%) Desktop Support Engineer
Libraries, Frameworks & Software Standards
1 5 (11.90%) XML
1 5 (11.90%) Hibernate
1 5 (11.90%) ActiveMQ
1 5 (11.90%) JRules
1 5 (11.90%) Ajax
1 5 (11.90%) JSON
1 5 (11.90%) jQuery
1 5 (11.90%) JPA
1 5 (11.90%) Drools
1 5 (11.90%) REST
1 5 (11.90%) J2EE
1 5 (11.90%) Mustache
1 5 (11.90%) Apache Camel
2 3 (7.14%) Regular Expression
3 2 (4.76%) CSS
3 2 (4.76%) HTML
Miscellaneous
1 8 (19.05%) NHS
2 5 (11.90%) Smartcard
2 5 (11.90%) PKI
Operating Systems
1 35 (83.33%) Linux
2 17 (40.48%) Ubuntu
3 13 (30.95%) Windows
4 8 (19.05%) Windows Server 2008
4 8 (19.05%) Windows Server 2003
5 7 (16.67%) Windows XP
6 5 (11.90%) UNIX
7 2 (4.76%) AIX
7 2 (4.76%) Solaris
7 2 (4.76%) Debian
7 2 (4.76%) Red Hat Enterprise Linux
Processes & Methodologies
1 25 (59.52%) Workflow
2 22 (52.38%) Service Management
3 17 (40.48%) Incident Management
4 5 (11.90%) Continuous Integration
4 5 (11.90%) MVC
4 5 (11.90%) Agile Software Development
4 5 (11.90%) TDD
5 3 (7.14%) Time Management
6 2 (4.76%) Root Cause Analysis
6 2 (4.76%) Capacity Management
6 2 (4.76%) Performance Analysis
6 2 (4.76%) Configuration Management
Programming Languages
1 18 (42.86%) Python
2 13 (30.95%) SQL
3 5 (11.90%) C#
3 5 (11.90%) Java
3 5 (11.90%) JavaScript
3 5 (11.90%) PHP
Qualifications
1 18 (42.86%) Security Cleared
2 15 (35.71%) SC Cleared
Quality Assurance & Compliance
1 3 (7.14%) Sarbanes-Oxley
1 3 (7.14%) HIPAA
2 2 (4.76%) SLA
System Software
1 3 (7.14%) Active Directory
1 3 (7.14%) VMware ESX
1 3 (7.14%) VMware Server
1 3 (7.14%) VMware Infrastructure
Systems Management
1 14 (33.33%) Nagios
1 14 (33.33%) Puppet
2 5 (11.90%) OpenIDM
3 3 (7.14%) Tivoli
Vendors
1 32 (76.19%) Splunk
2 29 (69.05%) Red Hat
3 10 (23.81%) VMware
4 5 (11.90%) Cisco
5 3 (7.14%) Oracle
5 3 (7.14%) Microsoft
5 3 (7.14%) Imperva
5 3 (7.14%) Remedy
6 2 (4.76%) IBM