The first table below looks at the demand for CentOS skills in IT contracts advertised for the England region. Included is a guide to the average contractor rates offered in IT contracts that have cited CentOS over the 3 months to 17 April 2014 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 England 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
17 Apr 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 415 426 479
Rank change year-on-year
+11 +53
Contract jobs citing CentOS 142 96 91
As % of all contract IT jobs located in England 0.28% 0.22% 0.16%
As % of the Operating Systems category 1.27% 1.05% 0.81%
Number of daily rates quoted 78 66 53
Average daily rate £396 £318 £390
Average daily rate % change year-on-year
+24.80% -18.58%
90% offered a daily rate of more than £295 £155 £267
10% offered a daily rate of more than £525 £443 £450
UK excluding London average daily rate £350 £300 £450
% change year-on-year
+16.66% -33.33%
Number of hourly rates quoted 2 4 0
Average hourly rate £35.00 £34.50 -
Average hourly rate % change year-on-year
+1.44% -
UK excluding London average hourly rate £35.00 £34.00 -
% change year-on-year
+2.94% -
Operating Systems Category
England
Contract IT job ads with a match in the
Operating Systems category
11179 9136 11279
As % of all contract IT jobs located in England 21.77% 21.16% 20.26%
Number of daily rates quoted 6332 4943 5879
Average daily rate £350 £350 £365
Average daily rate % change year-on-year
- -4.10%
90% offered a daily rate of more than £163 £175 £200
10% offered a daily rate of more than £525 £500 £500
UK excluding London average daily rate £320 £314 £325
% change year-on-year
+1.91% -3.38%
Number of hourly rates quoted 1011 944 1111
Average hourly rate £16.20 £17.50 £17.50
Average hourly rate % change year-on-year
-7.42% -
90% offered a hourly rate of more than £11.00 £11.00 £11.50
10% offered a hourly rate of more than £35.00 £37.50 £38.50
UK excluding London average hourly rate £16.00 £16.00 £17.00
% change year-on-year
- -5.88%
CentOS
UK

CentOS
Jobs Demand Trend in England

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

CentOS Jobs Demand Trend in England

CentOS
Daily Rate Trend in England

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

CentOS Daily Rate Trend in England

CentOS
Daily Rate Histogram in England

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the England region over the 3 months to 17 April 2014.

CentOS Daily Rate Histogram in England

CentOS
Hourly Rate Trend in England

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

CentOS Hourly Rate Trend in England

CentOS
Contract Job Locations in England

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing CentOS within the England region over the 3 months to 17 April 2014. 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
Find
Job
Vacancies
London -27 66 £438 +25.00% 39
North West +5 25 £388 +127.94% 5
South East -8 18 £350 +16.66% 11
South West -13 12 £350 -22.13% 9
Yorkshire -5 11 £350 +29.62% 13
East of England -29 5 £400 +14.28% 6
East Midlands - 4 £388 - 4
West Midlands - 1 £295 - 1
North East - - - - 1
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 17 April 2014, IT contractor jobs across the England 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.

1 194 (80.50%) Linux
2 157 (65.15%) Red Hat
3 124 (51.45%) Puppet
4 106 (43.98%) Apache
5 83 (34.44%) Red Hat Enterprise Linux
6 77 (31.95%) MySQL
7 73 (30.29%) PHP
8 71 (29.46%) Amazon AWS
9 66 (27.39%) Opscode Chef
9 66 (27.39%) Python
10 65 (26.97%) Web Services
11 59 (24.48%) Perl
12 57 (23.65%) Nagios
13 56 (23.24%) Jenkins
13 56 (23.24%) Continuous Integration
14 54 (22.41%) Windows
14 54 (22.41%) VMware
15 53 (21.99%) Bash Shell
16 52 (21.58%) DNS
17 51 (21.16%) LAMP
17 51 (21.16%) Ruby
18 49 (20.33%) Ubuntu
19 48 (19.92%) UNIX
20 44 (18.26%) Amazon EC2
21 43 (17.84%) VMware Infrastructure
21 43 (17.84%) Hudson
22 41 (17.01%) Java
22 41 (17.01%) MongoDB
22 41 (17.01%) nginx
23 40 (16.60%) Configuration Management

CentOS
Top Related IT Skills in England by Category

For the 6 months to 17 April 2014, IT contractor jobs across the England 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
1 106 (43.98%) Apache
2 41 (17.01%) nginx
3 34 (14.11%) Tomcat
4 23 (9.54%) Node.js
5 11 (4.56%) Elasticsearch
5 11 (4.56%) IIS
6 9 (3.73%) OpenStack
7 8 (3.32%) Jetty
7 8 (3.32%) WebSphere
8 6 (2.49%) MS Exchange
9 5 (2.07%) Exchange Server 2010
10 4 (1.66%) Office Communications Server
10 4 (1.66%) SharePoint 2010
10 4 (1.66%) SharePoint
11 3 (1.24%) Moodle
12 2 (0.83%) Confluence
12 2 (0.83%) WordPress
12 2 (0.83%) Drupal
12 2 (0.83%) WebLogic
13 1 (0.41%) WebSphere Application Server
Applications
1 7 (2.90%) MS Excel
2 3 (1.24%) Mingle
3 1 (0.41%) MS Office
3 1 (0.41%) MS Visio
Business Applications
1 3 (1.24%) Oracle EBS
2 2 (0.83%) SAP Oil and Gas
2 2 (0.83%) SAP ERP
3 1 (0.41%) Oracle 11i
Cloud Services
1 71 (29.46%) Amazon AWS
2 44 (18.26%) Amazon EC2
3 35 (14.52%) Amazon S3
4 26 (10.79%) Route 53
4 26 (10.79%) Amazon ELB
5 16 (6.64%) SaaS
6 13 (5.39%) PaaS
7 10 (4.15%) Cloud Computing
8 6 (2.49%) Rackspace Cloud
9 2 (0.83%) Joyent
9 2 (0.83%) GitHub
10 1 (0.41%) IaaS
Communications & Networking
1 52 (21.58%) DNS
2 39 (16.18%) Firewall
3 30 (12.45%) HTTP
4 25 (10.37%) DHCP
5 18 (7.47%) LDAP
6 14 (5.81%) SSL
7 13 (5.39%) SSH
8 12 (4.98%) TCP/IP
8 12 (4.98%) SMTP
9 9 (3.73%) iSCSI
10 8 (3.32%) Network Security
11 6 (2.49%) IPsec
11 6 (2.49%) VPN
12 5 (2.07%) PPTP
12 5 (2.07%) SNMP
13 4 (1.66%) WAN
13 4 (1.66%) SAN
13 4 (1.66%) Internet
14 3 (1.24%) LAN
14 3 (1.24%) BIG-IP
Database & Business Intelligence
1 77 (31.95%) MySQL
2 41 (17.01%) MongoDB
3 26 (10.79%) NoSQL
4 23 (9.54%) Apache Cassandra
5 20 (8.30%) SQL Server
6 19 (7.88%) Big Data
7 17 (7.05%) CouchDB
8 16 (6.64%) Oracle Database
9 15 (6.22%) Riak
10 13 (5.39%) Hadoop
11 12 (4.98%) SQL Server 2008
11 12 (4.98%) Redis
12 11 (4.56%) Neo4j
12 11 (4.56%) RavenDB
13 8 (3.32%) Data Warehouse
13 8 (3.32%) PostgreSQL
14 7 (2.90%) Relational Database
15 6 (2.49%) Oracle Database 10g
16 5 (2.07%) Oracle Database 11g
17 2 (0.83%) SQL Server 2005
Development Applications
1 56 (23.24%) Jenkins
2 43 (17.84%) Hudson
3 27 (11.20%) Git (software)
4 25 (10.37%) Maven
5 23 (9.54%) Subversion
6 11 (4.56%) NUnit
6 11 (4.56%) Visual Studio
6 11 (4.56%) TeamCity
6 11 (4.56%) MSTest
7 9 (3.73%) Cucumber
8 8 (3.32%) FitNesse
8 8 (3.32%) JUnit
9 4 (1.66%) Bitbucket
10 3 (1.24%) Eclipse
11 2 (0.83%) Ant
11 2 (0.83%) JIRA
11 2 (0.83%) Selenium
11 2 (0.83%) PHPUnit
11 2 (0.83%) Mockito
11 2 (0.83%) Mercurial
General
1 18 (7.47%) Finance
2 10 (4.15%) Retail
2 10 (4.15%) Marketing
3 9 (3.73%) Games
4 8 (3.32%) Pharmaceutical
5 5 (2.07%) Telecoms
6 4 (1.66%) Manufacturing
7 3 (1.24%) Electronics
7 3 (1.24%) Publishing
8 2 (0.83%) Banking
8 2 (0.83%) Advertising
9 1 (0.41%) Legal
9 1 (0.41%) Back Office
9 1 (0.41%) Japanese Language
Job Titles
1 50 (20.75%) DevOps Engineer
2 42 (17.43%) Administrator
3 39 (16.18%) Systems Administrator
4 30 (12.45%) Linux Engineer
5 27 (11.20%) Developer
6 24 (9.96%) Linux Administrator
7 23 (9.54%) Linux Systems Administrator
8 21 (8.71%) Systems Engineer
9 14 (5.81%) Software Engineer
9 14 (5.81%) Support Engineer
10 8 (3.32%) C# Developer
11 7 (2.90%) UNIX Systems Administrator
11 7 (2.90%) Senior Software Engineer
11 7 (2.90%) Consultant
11 7 (2.90%) Cloud Engineer
12 6 (2.49%) UNIX Administrator
13 5 (2.07%) Programmer
14 4 (1.66%) Senior Developer
14 4 (1.66%) Systems Support
14 4 (1.66%) Graduate
Libraries, Frameworks & Software Standards
1 65 (26.97%) Web Services
2 51 (21.16%) LAMP
3 29 (12.03%) XML
4 24 (9.96%) HTML
5 22 (9.13%) RESTful
6 18 (7.47%) JSON
6 18 (7.47%) CSS
7 16 (6.64%) HTML5
7 16 (6.64%) CSS3
8 12 (4.98%) RabbitMQ
8 12 (4.98%) .NET
9 11 (4.56%) ASP.NET
9 11 (4.56%) ASP.NET MVC
9 11 (4.56%) KnockoutJS
9 11 (4.56%) ASP.NET MVC 4
10 10 (4.15%) jQuery
11 9 (3.73%) Servlets
12 8 (3.32%) Silverlight
12 8 (3.32%) Zend Framework
13 7 (2.90%) Ajax
Miscellaneous
1 39 (16.18%) Open Source
2 13 (5.39%) Replication
2 13 (5.39%) Clustering
3 9 (3.73%) NHS
4 8 (3.32%) Derivative
5 6 (2.49%) Computer Science
5 6 (2.49%) Management Information System
5 6 (2.49%) Online Games
6 4 (1.66%) Blackberry
7 2 (0.83%) DTV
7 2 (0.83%) Wiki
7 2 (0.83%) Social Network
7 2 (0.83%) Visualisation
8 1 (0.41%) Enterprise Storage
8 1 (0.41%) Mobile App
8 1 (0.41%) Mobile Banking
8 1 (0.41%) Device Driver
8 1 (0.41%) STB
8 1 (0.41%) PKI
8 1 (0.41%) IPTV
Operating Systems
1 194 (80.50%) Linux
2 83 (34.44%) Red Hat Enterprise Linux
3 54 (22.41%) Windows
4 49 (20.33%) Ubuntu
5 48 (19.92%) UNIX
6 35 (14.52%) Debian
7 20 (8.30%) Windows Server 2008
8 11 (4.56%) Windows Server 2003
9 9 (3.73%) Solaris
9 9 (3.73%) Fedora
9 9 (3.73%) Oracle Linux
10 7 (2.90%) Windows 7
11 6 (2.49%) SUSE
12 4 (1.66%) Windows Server 2012
13 3 (1.24%) Scientific Linux
14 2 (0.83%) Mac OS X
15 1 (0.41%) Windows Mobile
15 1 (0.41%) Mac OS X Server
15 1 (0.41%) Android
15 1 (0.41%) VMS
Processes & Methodologies
1 56 (23.24%) Continuous Integration
2 40 (16.60%) Configuration Management
3 38 (15.77%) Agile Software Development
4 23 (9.54%) TDD
5 21 (8.71%) Load Balancing
6 20 (8.30%) E-Commerce
7 18 (7.47%) BDD
8 16 (6.64%) Software Engineering
9 14 (5.81%) OO
10 13 (5.39%) ITIL
10 13 (5.39%) Performance Tuning
11 12 (4.98%) Workflow
12 11 (4.56%) MVC
12 11 (4.56%) Disaster Recovery
12 11 (4.56%) CQRS
12 11 (4.56%) Migration
12 11 (4.56%) Unit Testing
13 9 (3.73%) Scrum
13 9 (3.73%) Automated Testing
14 8 (3.32%) Performance Testing
Programming Languages
1 73 (30.29%) PHP
2 66 (27.39%) Python
3 59 (24.48%) Perl
4 53 (21.99%) Bash Shell
5 51 (21.16%) Ruby
6 41 (17.01%) Java
7 25 (10.37%) Shell Script
8 17 (7.05%) SQL
9 16 (6.64%) JavaScript
10 15 (6.22%) PowerShell
11 11 (4.56%) C#
12 8 (3.32%) PHP5
13 5 (2.07%) sed
13 5 (2.07%) AWK
14 2 (0.83%) Korn
14 2 (0.83%) C++
14 2 (0.83%) C
15 1 (0.41%) PL/SQL
15 1 (0.41%) T-SQL
15 1 (0.41%) Jython
Qualifications
1 16 (6.64%) Security Cleared
2 13 (5.39%) SC Cleared
3 6 (2.49%) Degree
3 6 (2.49%) RHCE
4 5 (2.07%) DV Cleared
5 3 (1.24%) ISEB
5 3 (1.24%) Cisco Certification
6 2 (0.83%) Microsoft Certification
6 2 (0.83%) CCNA
6 2 (0.83%) RHCT
6 2 (0.83%) LPIC
7 1 (0.41%) MCTS
7 1 (0.41%) ISTQB
7 1 (0.41%) OCP
7 1 (0.41%) Oracle Certification
7 1 (0.41%) CCSA
7 1 (0.41%) MCSD
7 1 (0.41%) MCSE
7 1 (0.41%) CCNP
Quality Assurance & Compliance
1 23 (9.54%) QA
2 6 (2.49%) SLA
3 1 (0.41%) PCI DSS
System Software
1 43 (17.84%) VMware Infrastructure
2 24 (9.96%) Active Directory
3 21 (8.71%) NFS
4 19 (7.88%) Xen
5 13 (5.39%) Varnish
6 12 (4.98%) VMware ESXi
6 12 (4.98%) VMware ESX
7 8 (3.32%) KVM
8 7 (2.90%) vCloud
8 7 (2.90%) Sendmail
9 6 (2.49%) XenServer
9 6 (2.49%) Hyper-V
9 6 (2.49%) Postfix
10 5 (2.07%) VirtualBox
10 5 (2.07%) Squid
10 5 (2.07%) Oracle RAC
11 4 (1.66%) Shibboleth
12 3 (1.24%) Apache Flume
13 2 (0.83%) vSphere
14 1 (0.41%) SpamAssassin
Systems Management
1 124 (51.45%) Puppet
2 66 (27.39%) Opscode Chef
3 57 (23.65%) Nagios
4 33 (13.69%) Vagrant
5 28 (11.62%) ZABBIX
6 25 (10.37%) Cacti
7 9 (3.73%) StatsD
8 8 (3.32%) Ansible
8 8 (3.32%) Red Hat Spacewalk
9 7 (2.90%) Munin
10 6 (2.49%) Cobbler
11 5 (2.07%) HAProxy
12 4 (1.66%) Zenoss
12 4 (1.66%) Capistrano
12 4 (1.66%) Tivoli Storage Manager
13 3 (1.24%) Foglight
14 2 (0.83%) YUM
14 2 (0.83%) SCCM
15 1 (0.41%) SCOM
15 1 (0.41%) McAfee ePO
Vendors
1 157 (65.15%) Red Hat
2 54 (22.41%) VMware
3 29 (12.03%) Rackspace
4 27 (11.20%) Oracle
5 23 (9.54%) Cisco
6 22 (9.13%) HP
6 22 (9.13%) RightScale
7 20 (8.30%) Microsoft
8 19 (7.88%) Splunk
9 17 (7.05%) NetApp
10 12 (4.98%) Percona
11 8 (3.32%) Citrix
11 8 (3.32%) Zend
12 7 (2.90%) EMC
12 7 (2.90%) IBM
13 5 (2.07%) SAP
13 5 (2.07%) Dell
13 5 (2.07%) CheckPoint
14 4 (1.66%) Veritas
14 4 (1.66%) New Relic
Chester, Cheshire
HAYS INFORMATION TECHNOLOGY
Rate: £375.00 - £400.00 per annum
Posted: 20 hours ago
Gloucester
Computer Futures
Rate: £300 - £400 per day
Posted: Yesterday
Milton Keynes, Buckinghamshire
Certes Computing Ltd (Birmingham)
Rate: Negotiable
Posted: 2 days ago
Gloucester, Gloucestershire
Coal IT Services
Rate: From £400 to £450 per day
Posted: 2 days ago
Buckinghamshire
SmartSourcing plc
Rate: Please Quote Day Rate
Posted: 5 days ago
Cambridge
Hays IT - Uk Posting account
Rate: £240.00 per day
Posted: 6 days ago
Bristol
People Source
Rate: £300 - £350 per day
Posted: 7 days ago
London
Opus Recruitment Solutions Ltd
Rate: Market Rate
Posted: 8 days ago
London
Digital Gurus
Rate: £375 - £425 Per Day
Posted: 9 days ago
London
Computer Futures
Posted: 19 days ago