The first table below looks at the demand for CentOS skills in IT contracts advertised for the South East region. Included is a guide to the average contractor rates offered in IT contracts that have cited CentOS over the 3 months to 21 May 2013 with a comparison to the same period in the previous 2 years. The second table is for comparison and provides aggregates for all of the Operating Systems category for the South East region.

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
21 May 2013
Same period 2012 Same period 2011
CentOS Linux
Rank 215 233 233
Rank change year-on-year
+18 0
Contract jobs citing CentOS 5 12 20
As % of all contract IT jobs located in the South East 0.063% 0.118% 0.195%
As % of the Operating Systems category 0.278% 0.567% 0.828%
Number of daily rates quoted 0 6 9
Average daily rate - £253 £263
Average daily rate % change year-on-year
- -3.80%
UK excluding London average daily rate £300 £288 £350
% change year-on-year
+4.34% -17.85%
Number of hourly rates quoted 1 0 0
Average hourly rate £32.50 - -
UK excluding London average hourly rate £34.00 £41.25 £27.50
% change year-on-year
-17.57% +50.00%
All Operating Systems
South East
Contract IT job ads with a match in the
Operating Systems category
1798 2115 2415
As % of all contract IT jobs located in the South East 22.70% 20.82% 23.53%
Number of daily rates quoted 809 859 855
Average daily rate £330 £325 £325
Average daily rate % change year-on-year
+1.53% -
90% offered a daily rate of more than £165 £160 £198
10% offered a daily rate of more than £475 £450 £438
UK excluding London average daily rate £325 £325 £325
Number of hourly rates quoted 250 332 317
Average hourly rate £17.50 £17.00 £18.50
Average hourly rate % change year-on-year
+2.94% -8.10%
90% offered a hourly rate of more than £12.50 £11.75 £11.00
10% offered a hourly rate of more than £37.50 £42.50 £40.00
UK excluding London average hourly rate £16.00 £17.00 £16.50
% change year-on-year
-5.88% +3.03%
CentOS
England

CentOS
Jobs Demand Trend

This chart provides a 3-month moving total of IT contractor jobs citing CentOS across the South East region as a proportion of the total demand within the Operating Systems category.

South East CentOS Jobs Demand Trend

CentOS
Daily Rate Trend

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

South East CentOS Daily Rate Trend

CentOS
Hourly Rate Trend

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

South East CentOS Hourly Rate Trend

CentOS
Contract Locations

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing CentOS within the South East region over the 3 months to 21 May 2013. 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 each for more statistics)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Hampshire -15 2 - -
Surrey - 2 - -
Berkshire - 1 - -
CentOS
England

CentOS
Top 30 Related IT Skills

For the 6 months to 21 May 2013, IT contractor jobs across the South East 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 28 (93.33%) Linux
2 17 (56.67%) Red Hat
3 15 (50.00%) Security Cleared
4 14 (46.67%) SC Cleared
5 13 (43.33%) Active Directory
5 13 (43.33%) Windows
6 11 (36.67%) Hyper-V
7 9 (30.00%) Java
8 8 (26.67%) Web Services
8 8 (26.67%) Apache
9 7 (23.33%) PHP
9 7 (23.33%) Open Source
10 6 (20.00%) SLA
10 6 (20.00%) Configuration Management
11 5 (16.67%) VMware
11 5 (16.67%) DNS
11 5 (16.67%) Continuous Integration
11 5 (16.67%) Amazon AWS
11 5 (16.67%) DV Cleared
12 4 (13.33%) Red Hat Enterprise Linux
12 4 (13.33%) RESTful
12 4 (13.33%) NoSQL
12 4 (13.33%) OpenStack
12 4 (13.33%) Ubuntu
12 4 (13.33%) Agile Software Development
12 4 (13.33%) Spring
12 4 (13.33%) Maven
12 4 (13.33%) Hibernate
12 4 (13.33%) Scrum
12 4 (13.33%) MySQL

CentOS
Top Related IT Skills by Category

For the 6 months to 21 May 2013, IT contractor jobs across the South East 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 Development
1 8 (26.67%) Web Services
2 4 (13.33%) RESTful
2 4 (13.33%) Spring
2 4 (13.33%) Hibernate
2 4 (13.33%) HTML
3 2 (6.667%) XML Schema
3 2 (6.667%) XML
3 2 (6.667%) XSLT
4 1 (3.333%) CSS
4 1 (3.333%) jQuery
4 1 (3.333%) Memcached
Application Platforms
1 8 (26.67%) Apache
2 5 (16.67%) Amazon AWS
3 4 (13.33%) OpenStack
4 3 (10.00%) Tomcat
5 1 (3.333%) IIS
5 1 (3.333%) MS Exchange
5 1 (3.333%) Exchange Server 2007
5 1 (3.333%) Jetty
5 1 (3.333%) nginx
5 1 (3.333%) Amazon EC2
Communications & Networking
1 5 (16.67%) DNS
2 3 (10.00%) Broadband
3 2 (6.667%) VLAN
3 2 (6.667%) Firewall
3 2 (6.667%) SMTP
4 1 (3.333%) ADSL
4 1 (3.333%) DHCP
4 1 (3.333%) HTTP
4 1 (3.333%) SNMP
4 1 (3.333%) VPN
4 1 (3.333%) SAN
4 1 (3.333%) Intranet
4 1 (3.333%) Internet
4 1 (3.333%) Extranet
4 1 (3.333%) SSL
4 1 (3.333%) DSL
4 1 (3.333%) VRRP
4 1 (3.333%) Wi-Fi
4 1 (3.333%) IPsec
4 1 (3.333%) iSCSI
Database & Business Intelligence
1 4 (13.33%) NoSQL
1 4 (13.33%) MySQL
2 2 (6.667%) Hadoop
3 1 (3.333%) SQL Server
3 1 (3.333%) SQL Server 2005
3 1 (3.333%) SQL Server 2008
Development Applications
1 4 (13.33%) Maven
2 2 (6.667%) Git (software)
2 2 (6.667%) Subversion
3 1 (3.333%) Jenkins
General
1 2 (6.667%) Telecoms
1 2 (6.667%) Finance
1 2 (6.667%) Manufacturing
2 1 (3.333%) Games
2 1 (3.333%) Electronics
Job Titles
1 7 (23.33%) Systems Engineer
2 6 (20.00%) Linux Administrator
2 6 (20.00%) Systems Support
2 6 (20.00%) Support Engineer
2 6 (20.00%) Administrator
2 6 (20.00%) Systems Administrator
3 5 (16.67%) Analyst
3 5 (16.67%) Linux Systems Administrator
3 5 (16.67%) Systems Support Engineer
4 4 (13.33%) Developer
4 4 (13.33%) Support Analyst
5 2 (6.667%) Linux Engineer
5 2 (6.667%) Technical Leader
5 2 (6.667%) Java Developer
5 2 (6.667%) Server Engineer
5 2 (6.667%) PHP Developer
5 2 (6.667%) Systems Analyst
6 1 (3.333%) Senior Consultant
6 1 (3.333%) Consultant
6 1 (3.333%) Support Technician
Miscellaneous
1 7 (23.33%) Open Source
2 4 (13.33%) IaaS
3 2 (6.667%) SaaS
4 1 (3.333%) Clustering
4 1 (3.333%) Online Games
4 1 (3.333%) Cloud Computing
Operating Systems
1 28 (93.33%) Linux
2 13 (43.33%) Windows
3 4 (13.33%) Red Hat Enterprise Linux
3 4 (13.33%) Ubuntu
4 3 (10.00%) UNIX
4 3 (10.00%) Debian
4 3 (10.00%) Windows Server 2008
5 2 (6.667%) Fedora
5 2 (6.667%) Windows Server 2003
6 1 (3.333%) Solaris
6 1 (3.333%) FreeBSD
6 1 (3.333%) OpenBSD
6 1 (3.333%) Embedded Linux
6 1 (3.333%) Windows Server 2012
6 1 (3.333%) Windows 7
6 1 (3.333%) Android
Processes & Methodologies
1 6 (20.00%) Configuration Management
2 5 (16.67%) Continuous Integration
3 4 (13.33%) Agile Software Development
3 4 (13.33%) Scrum
4 2 (6.667%) Load Balancing
4 2 (6.667%) ERP
5 1 (3.333%) ITIL
5 1 (3.333%) TDD
5 1 (3.333%) Project Planning
5 1 (3.333%) Capacity Management
5 1 (3.333%) Capacity Planning
5 1 (3.333%) Memory Management
5 1 (3.333%) BDD
Programming Languages
1 9 (30.00%) Java
2 7 (23.33%) PHP
3 4 (13.33%) JavaScript
4 3 (10.00%) Bash shell
5 2 (6.667%) Scala
5 2 (6.667%) Python
5 2 (6.667%) C
6 1 (3.333%) C++
6 1 (3.333%) Perl
6 1 (3.333%) Shell Script
6 1 (3.333%) Ruby
Qualifications
1 15 (50.00%) Security Cleared
2 14 (46.67%) SC Cleared
3 5 (16.67%) DV Cleared
4 1 (3.333%) MCSE
4 1 (3.333%) Microsoft Certification
Quality Assurance & Compliance
1 6 (20.00%) SLA
System Software
1 13 (43.33%) Active Directory
2 11 (36.67%) Hyper-V
3 3 (10.00%) VMware Infrastructure
4 1 (3.333%) NFS
4 1 (3.333%) Squid
4 1 (3.333%) VMware ESXi
Systems Management
1 3 (10.00%) SCCM
2 2 (6.667%) Puppet
3 1 (3.333%) CFEngine
Vendors
1 17 (56.67%) Red Hat
2 5 (16.67%) VMware
3 1 (3.333%) JBoss
3 1 (3.333%) HP
3 1 (3.333%) ProCurve