The table below looks at the statistics 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 29 January 2015 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
29 Jan 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 210 223 192
Rank change year-on-year
+13 -31
Contract jobs citing CentOS 39 13 26
As % of all contract IT jobs located in the South East 0.43% 0.15% 0.34%
As % of the Operating Systems category 1.73% 0.64% 1.63%
Number of daily rates quoted 18 10 13
Average daily rate
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of your Daily Rate
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£381 £400 £333
Average daily rate % change year-on-year
-4.68% +20.30%
90% offered a daily rate of more than £249 £310 £190
10% offered a daily rate of more than £458 £421 £395
UK excluding London average daily rate £350 £400 £329
% change year-on-year
-12.50% +21.67%
Number of hourly rates quoted 1 0 1
Average hourly rate £47.50 - £32.50
UK excluding London average hourly rate £47.50 £23.75 £32.50
% change year-on-year
+100.00% -26.92%
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 South East region.

Operating Systems Category
South East
Contract IT job ads with a match in the
Operating Systems category
2254 2034 1600
As % of all contract IT jobs located in the South East 24.58% 24.15% 20.89%
Number of daily rates quoted 1118 903 755
Average daily rate £325 £325 £325
90% offered a daily rate of more than £169 £140 £160
10% offered a daily rate of more than £475 £450 £425
UK excluding London average daily rate £338 £305 £325
% change year-on-year
+10.65% -6.15%
Number of hourly rates quoted 180 245 255
Average hourly rate £17.00 £16.00 £17.50
Average hourly rate % change year-on-year
+6.25% -8.57%
90% offered a hourly rate of more than £12.42 £11.25 £11.37
10% offered a hourly rate of more than £40.00 £35.00 £39.00
UK excluding London average hourly rate £15.50 £15.00 £17.25
% change year-on-year
+3.33% -13.04%

CentOS
Jobs Demand Trend in the South East

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.

CentOS Jobs Demand Trend in the South East

CentOS
Daily Rate Trend in the South East

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

CentOS Daily Rate Trend in the South East

CentOS
Daily Rate Histogram in the South East

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the South East region over the 3 months to 29 January 2015.

CentOS Daily Rate Histogram in the South East

CentOS
Hourly Rate Trend in the South East

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

CentOS Hourly Rate Trend in the South East

CentOS
Contract Job Locations in the South East

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 29 January 2015. 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
(Use links below to see detailed
statistics and historical trends)
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
Live
Job
Vacancies
Hampshire -13 13 £430 +7.50% 5
Oxfordshire - 8 £275 - 1
Berkshire +6 6 £418 +33.60% 7
Surrey +5 6 - - 1
Buckinghamshire -10 4 £424 +5.93%
Kent - - - -
West Sussex - - - -
CentOS
England

CentOS
Top 30 Related IT Skills in the South East

For the 6 months to 29 January 2015, 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 66 (85.71%) Linux
2 31 (40.26%) Red Hat
3 29 (37.66%) Firewall
4 28 (36.36%) Security Cleared
4 28 (36.36%) Puppet
5 24 (31.17%) Red Hat Enterprise Linux
5 24 (31.17%) VMware
5 24 (31.17%) Windows
6 23 (29.87%) Bash Shell
7 22 (28.57%) DevOps
8 21 (27.27%) Cisco
8 21 (27.27%) Configuration Management
9 20 (25.97%) Agile Software Development
10 17 (22.08%) CCNA
10 17 (22.08%) Cisco Certification
11 16 (20.78%) ITIL
11 16 (20.78%) Tomcat
11 16 (20.78%) FortiGate
11 16 (20.78%) SC Cleared
12 15 (19.48%) VLAN
12 15 (19.48%) Jenkins
12 15 (19.48%) VMware Infrastructure
12 15 (19.48%) Apache
12 15 (19.48%) Scrum
13 14 (18.18%) Subversion
13 14 (18.18%) Java
14 13 (16.88%) Amazon AWS
14 13 (16.88%) Network Monitoring
15 12 (15.58%) Web Services
16 11 (14.29%) VPN

CentOS
Top Related IT Skills in the South East by Category

For the 6 months to 29 January 2015, 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 Platforms
1 16 (20.78%) Tomcat
2 15 (19.48%) Apache
3 4 (5.19%) nginx
3 4 (5.19%) JBoss
4 2 (2.60%) Confluence
5 1 (1.30%) WildFly
5 1 (1.30%) WebLogic
5 1 (1.30%) IIS
5 1 (1.30%) Node.js
5 1 (1.30%) MediaWiki
5 1 (1.30%) WebSphere
5 1 (1.30%) Oracle Application Server
5 1 (1.30%) Alfresco
5 1 (1.30%) Mule
Applications
1 2 (2.60%) MS Office
Cloud Services
1 13 (16.88%) Amazon AWS
2 10 (12.99%) Amazon EC2
3 8 (10.39%) Amazon S3
4 5 (6.49%) Amazon ELB
5 2 (2.60%) PaaS
Communications & Networking
1 29 (37.66%) Firewall
2 15 (19.48%) VLAN
3 11 (14.29%) VPN
4 10 (12.99%) SSL
4 10 (12.99%) LAN
4 10 (12.99%) VoIP
4 10 (12.99%) WAN
5 9 (11.69%) ISDN
5 9 (11.69%) IP Telephony
5 9 (11.69%) Network Security
5 9 (11.69%) Wireshark
6 8 (10.39%) Cisco ASA
7 7 (9.09%) TCP/IP
8 5 (6.49%) SAN
8 5 (6.49%) DSL
8 5 (6.49%) Internet
9 4 (5.19%) iSCSI
9 4 (5.19%) MPLS
10 3 (3.90%) Ethernet
10 3 (3.90%) Intrusion Detection
Database & Business Intelligence
1 10 (12.99%) MySQL
2 7 (9.09%) PostgreSQL
3 6 (7.79%) Amazon RDS
4 5 (6.49%) SQL Server
5 2 (2.60%) MongoDB
5 2 (2.60%) NoSQL
6 1 (1.30%) Oracle Database
6 1 (1.30%) Redis
Development Applications
1 15 (19.48%) Jenkins
2 14 (18.18%) Subversion
3 11 (14.29%) Git (software)
4 10 (12.99%) RSpec
5 4 (5.19%) JIRA
5 4 (5.19%) Atlassian Bamboo
5 4 (5.19%) Maven
5 4 (5.19%) Cucumber
6 3 (3.90%) JMeter
6 3 (3.90%) PHPUnit
7 2 (2.60%) Zend Studio
7 2 (2.60%) Selenium
7 2 (2.60%) Eclipse
8 1 (1.30%) Mercurial
8 1 (1.30%) Hudson
8 1 (1.30%) Gerrit
8 1 (1.30%) Gradle
8 1 (1.30%) Artifactory
General
1 3 (3.90%) Finance
2 1 (1.30%) Legal
2 1 (1.30%) Publishing
2 1 (1.30%) French Language
2 1 (1.30%) German Language
Job Titles
1 15 (19.48%) DevOps Engineer
2 13 (16.88%) Infrastructure Engineer
3 11 (14.29%) Developer
4 10 (12.99%) Administrator
5 8 (10.39%) Linux DevOps Engineer
5 8 (10.39%) Systems Administrator
5 8 (10.39%) Network Engineer
5 8 (10.39%) Support Engineer
5 8 (10.39%) Linux Administrator
6 6 (7.79%) Linux Engineer
6 6 (7.79%) Linux Systems Administrator
7 5 (6.49%) Senior Network Engineer
7 5 (6.49%) Network Support
8 3 (3.90%) Network Support Engineer
8 3 (3.90%) Software Engineer
8 3 (3.90%) Consultant
8 3 (3.90%) Infrastructure Support Engineer
9 2 (2.60%) Ruby on Rails Developer
9 2 (2.60%) Linux Support
9 2 (2.60%) Network Support Specialist
Libraries, Frameworks & Software Standards
1 12 (15.58%) Web Services
2 4 (5.19%) CSS
3 3 (3.90%) LAMP
3 3 (3.90%) HTML
4 2 (2.60%) Zend Framework
4 2 (2.60%) jQuery
4 2 (2.60%) Ruby on Rails
4 2 (2.60%) REST
4 2 (2.60%) SOAP
4 2 (2.60%) XML
4 2 (2.60%) EDIFACT
5 1 (1.30%) Hibernate
5 1 (1.30%) JMS
5 1 (1.30%) J2EE
5 1 (1.30%) WebSphere MQ
5 1 (1.30%) RESTful
5 1 (1.30%) JPA
5 1 (1.30%) FreeSWITCH
5 1 (1.30%) Twitter Bootstrap
5 1 (1.30%) Java EE
Miscellaneous
1 7 (9.09%) PKI
2 6 (7.79%) Open Source
2 6 (7.79%) Clustering
3 3 (3.90%) Cryptography
4 2 (2.60%) Algorithms
5 1 (1.30%) Wiki
Operating Systems
1 66 (85.71%) Linux
2 24 (31.17%) Red Hat Enterprise Linux
2 24 (31.17%) Windows
3 7 (9.09%) Ubuntu
4 6 (7.79%) Windows Server 2008
5 5 (6.49%) Windows Server 2003
6 4 (5.19%) Debian
7 3 (3.90%) UNIX
8 2 (2.60%) Windows Server 2012
8 2 (2.60%) Oracle Linux
8 2 (2.60%) Solaris
8 2 (2.60%) Fedora
9 1 (1.30%) AIX
9 1 (1.30%) HPUX
9 1 (1.30%) Windows 8
9 1 (1.30%) Embedded Linux
Processes & Methodologies
1 22 (28.57%) DevOps
2 21 (27.27%) Configuration Management
3 20 (25.97%) Agile Software Development
4 16 (20.78%) ITIL
5 15 (19.48%) Scrum
6 13 (16.88%) Network Monitoring
7 9 (11.69%) Continuous Integration
7 9 (11.69%) Kalman Filter
8 8 (10.39%) Load Balancing
8 8 (10.39%) Network Architecture
9 6 (7.79%) Root Cause Analysis
9 6 (7.79%) Cyber Security
10 5 (6.49%) Network Design
10 5 (6.49%) Software Engineering
11 3 (3.90%) E-Commerce
11 3 (3.90%) Capacity Planning
11 3 (3.90%) Analytics
11 3 (3.90%) Change Control
11 3 (3.90%) Vulnerability Assessment
11 3 (3.90%) Unit Testing
Programming Languages
1 23 (29.87%) Bash Shell
2 14 (18.18%) Java
3 9 (11.69%) Python
4 8 (10.39%) Ruby
5 7 (9.09%) Perl
5 7 (9.09%) PHP
5 7 (9.09%) PowerShell
6 6 (7.79%) SQL
7 5 (6.49%) Shell Script
7 5 (6.49%) C++
8 4 (5.19%) JavaScript
8 4 (5.19%) C
Qualifications
1 28 (36.36%) Security Cleared
2 17 (22.08%) CCNA
2 17 (22.08%) Cisco Certification
3 16 (20.78%) SC Cleared
4 8 (10.39%) DV Cleared
5 7 (9.09%) RHCT
6 5 (6.49%) Degree
7 3 (3.90%) CTC Cleared
8 2 (2.60%) BC Cleared
9 1 (1.30%) MCSE
9 1 (1.30%) Microsoft Certification
9 1 (1.30%) MCITP
Quality Assurance & Compliance
1 6 (7.79%) PCI DSS
2 4 (5.19%) QA
3 1 (1.30%) SLA
3 1 (1.30%) ISO/IEC 27001
System Software
1 15 (19.48%) VMware Infrastructure
2 9 (11.69%) Firmware
3 7 (9.09%) Hyper-V
4 6 (7.79%) vCloud
5 4 (5.19%) vSphere
5 4 (5.19%) NFS
5 4 (5.19%) Active Directory
6 3 (3.90%) Varnish
7 2 (2.60%) VMware ESXi
7 2 (2.60%) VirtualBox
7 2 (2.60%) Postfix
7 2 (2.60%) VMware Workstation
8 1 (1.30%) Samba
8 1 (1.30%) XenServer
8 1 (1.30%) Squid
8 1 (1.30%) Snort
Systems Management
1 28 (36.36%) Puppet
2 16 (20.78%) FortiGate
3 11 (14.29%) Vagrant
4 10 (12.99%) Nagios
5 3 (3.90%) Zenoss
6 2 (2.60%) WSUS
6 2 (2.60%) OVSD
6 2 (2.60%) ZABBIX
6 2 (2.60%) Ansible
7 1 (1.30%) logstash
7 1 (1.30%) Salt
7 1 (1.30%) Kibana
7 1 (1.30%) Opscode Chef
7 1 (1.30%) Tivoli
7 1 (1.30%) yum
Vendors
1 31 (40.26%) Red Hat
2 24 (31.17%) VMware
3 21 (27.27%) Cisco
4 8 (10.39%) Juniper
5 6 (7.79%) Oracle
6 5 (6.49%) Microsoft
7 4 (5.19%) Tripwire
7 4 (5.19%) EMC
7 4 (5.19%) NetApp
8 3 (3.90%) HP
8 3 (3.90%) F5
8 3 (3.90%) Zend
9 2 (2.60%) Citrix
10 1 (1.30%) Sun
10 1 (1.30%) IBM
10 1 (1.30%) Percona
Winchester, Hampshire
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