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 23 July 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
23 Jul 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 353 412 467
Rank change year-on-year
+59 +55
Contract jobs citing CentOS 231 143 88
As % of all contract IT jobs located in England 0.48% 0.31% 0.17%
As % of the Operating Systems category 2.08% 1.37% 0.78%
Number of daily rates quoted 169 92 55
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£375 £369 £325
Average daily rate % change year-on-year
+1.69% +13.46%
90% offered a daily rate of more than £180 £210 £235
10% offered a daily rate of more than £500 £450 £400
UK excluding London average daily rate £350 £356 £288
% change year-on-year
-1.75% +23.91%
Number of hourly rates quoted 4 5 1
Average hourly rate £16.75 £42.50 £42.50
Average hourly rate % change year-on-year
-60.58% -
UK excluding London average hourly rate £16.75 £36.00 £42.50
% change year-on-year
-53.47% -15.29%
Operating Systems Category
England
Contract IT job ads with a match in the
Operating Systems category
11115 10445 11295
As % of all contract IT jobs located in England 22.87% 22.48% 21.34%
Number of daily rates quoted 6399 5850 5684
Average daily rate £350 £350 £350
90% offered a daily rate of more than £168 £180 £200
10% offered a daily rate of more than £508 £500 £500
UK excluding London average daily rate £310 £325 £325
% change year-on-year
-4.61% -
Number of hourly rates quoted 958 973 1192
Average hourly rate £15.00 £17.00 £18.00
Average hourly rate % change year-on-year
-11.76% -5.55%
90% offered a hourly rate of more than £11.00 £11.00 £11.50
10% offered a hourly rate of more than £28.50 £37.50 £40.00
UK excluding London average hourly rate £15.00 £16.20 £17.00
% change year-on-year
-7.40% -4.70%
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 23 July 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 23 July 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
(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
London -6 87 £400 +8.10% 40
South West +27 61 £375 - 5
Yorkshire +26 35 £185 -48.07% 5
South East 0 26 £365 -14.11% 16
East Midlands - 12 £200 - 1
North West +1 8 £275 - 9
East of England -17 3 - - 4
West Midlands - - - - 2
North East - - - -
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 23 July 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.

1 305 (81.12%) Linux
2 224 (59.57%) Red Hat
3 175 (46.54%) Puppet
4 171 (45.48%) Apache
5 142 (37.77%) DevOps
6 133 (35.37%) Python
7 129 (34.31%) PHP
8 127 (33.78%) MySQL
9 126 (33.51%) Red Hat Enterprise Linux
10 123 (32.71%) Ubuntu
11 110 (29.26%) VMware
12 107 (28.46%) Continuous Integration
13 97 (25.80%) Jenkins
14 92 (24.47%) Perl
15 87 (23.14%) Bash Shell
15 87 (23.14%) Amazon AWS
16 85 (22.61%) Opscode Chef
16 85 (22.61%) Ruby
17 84 (22.34%) Windows
18 83 (22.07%) Java
19 82 (21.81%) LAMP
20 75 (19.95%) Agile Software Development
21 73 (19.41%) Web Services
22 72 (19.15%) UNIX
23 71 (18.88%) Nagios
24 69 (18.35%) Open Source
25 68 (18.09%) VMware Infrastructure
26 65 (17.29%) Configuration Management
27 61 (16.22%) Amazon EC2
28 55 (14.63%) Amazon S3

CentOS
Top Related IT Skills in England by Category

For the 6 months to 23 July 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
1 171 (45.48%) Apache
2 45 (11.97%) Tomcat
3 39 (10.37%) nginx
4 19 (5.05%) Elasticsearch
5 18 (4.79%) Node.js
6 16 (4.26%) OpenStack
7 13 (3.46%) Moodle
7 13 (3.46%) Confluence
8 11 (2.93%) WebSphere
9 10 (2.66%) MS Exchange
10 8 (2.13%) Jetty
10 8 (2.13%) IIS
11 7 (1.86%) SharePoint 2010
11 7 (1.86%) Exchange Server 2010
11 7 (1.86%) SharePoint
12 6 (1.60%) Office Communications Server
13 5 (1.33%) WebLogic
13 5 (1.33%) MediaWiki
14 3 (0.80%) Drupal
15 2 (0.53%) Oracle SOA Suite
Applications
1 7 (1.86%) MS Excel
Business Applications
1 5 (1.33%) Oracle EBS
1 5 (1.33%) SAP Oil and Gas
2 4 (1.06%) Magento
3 3 (0.80%) Shopify
4 2 (0.53%) SAP ERP
Cloud Services
1 87 (23.14%) Amazon AWS
2 61 (16.22%) Amazon EC2
3 55 (14.63%) Amazon S3
4 30 (7.98%) Route 53
5 29 (7.71%) Amazon ELB
6 22 (5.85%) SaaS
7 17 (4.52%) PaaS
8 12 (3.19%) Cloud Computing
9 11 (2.93%) Rackspace Cloud
10 4 (1.06%) Google Apps
11 2 (0.53%) Office 365
11 2 (0.53%) Joyent
11 2 (0.53%) GitHub
12 1 (0.27%) Amazon EMR
12 1 (0.27%) Amazon SQS
Communications & Networking
1 53 (14.10%) DNS
2 49 (13.03%) Firewall
3 40 (10.64%) LDAP
4 29 (7.71%) DHCP
5 24 (6.38%) SAN
5 24 (6.38%) SSH
6 18 (4.79%) SSL
7 17 (4.52%) HTTP
7 17 (4.52%) iSCSI
8 16 (4.26%) TCP/IP
8 16 (4.26%) VPN
9 14 (3.72%) Internet
10 13 (3.46%) LAN
10 13 (3.46%) WAN
11 12 (3.19%) Network Security
12 9 (2.39%) Ethernet
13 8 (2.13%) SMTP
13 8 (2.13%) BGP
14 7 (1.86%) OSPF
14 7 (1.86%) SNMP
Database & Business Intelligence
1 127 (33.78%) MySQL
2 49 (13.03%) MongoDB
3 43 (11.44%) NoSQL
4 31 (8.24%) Apache Cassandra
5 27 (7.18%) Big Data
6 22 (5.85%) Hadoop
7 19 (5.05%) CouchDB
7 19 (5.05%) PostgreSQL
8 18 (4.79%) Riak
9 15 (3.99%) Relational Database
10 11 (2.93%) Oracle Database
10 11 (2.93%) Redis
11 10 (2.66%) SQL Server
12 8 (2.13%) Data Warehouse
13 5 (1.33%) RDBMS
13 5 (1.33%) Oracle Database 11g
14 3 (0.80%) Hazelcast
14 3 (0.80%) Oracle Database 10g
14 3 (0.80%) SQL Server Reporting Services
14 3 (0.80%) SQL Server 2005
Development Applications
1 97 (25.80%) Jenkins
2 55 (14.63%) Hudson
3 53 (14.10%) Maven
4 52 (13.83%) Git (software)
5 36 (9.57%) Subversion
6 18 (4.79%) PHPUnit
7 14 (3.72%) JIRA
8 11 (2.93%) RSpec
8 11 (2.93%) Cucumber
9 7 (1.86%) FitNesse
9 7 (1.86%) JUnit
10 4 (1.06%) Selenium
10 4 (1.06%) Mockito
11 3 (0.80%) Grunt
12 2 (0.53%) Appcelerator Titanium
12 2 (0.53%) FishEye
12 2 (0.53%) Capybara
12 2 (0.53%) Eclipse
12 2 (0.53%) Ant
13 1 (0.27%) TeamCity
General
1 27 (7.18%) Finance
2 14 (3.72%) Games
3 9 (2.39%) Pharmaceutical
4 8 (2.13%) Electronics
5 6 (1.60%) Telecoms
5 6 (1.60%) Manufacturing
5 6 (1.60%) Marketing
6 3 (0.80%) Retail
6 3 (0.80%) Advertising
7 2 (0.53%) Publishing
7 2 (0.53%) Banking
8 1 (0.27%) Legal
Job Titles
1 74 (19.68%) DevOps Engineer
2 51 (13.56%) Developer
3 47 (12.50%) Administrator
3 47 (12.50%) Linux Engineer
4 40 (10.64%) Systems Administrator
5 30 (7.98%) Linux Administrator
6 24 (6.38%) PHP Developer
7 22 (5.85%) Linux Systems Administrator
7 22 (5.85%) Senior DevOps Engineer
8 19 (5.05%) Systems Engineer
8 19 (5.05%) Support Engineer
9 18 (4.79%) 2nd Line Support
9 18 (4.79%) Architect
10 16 (4.26%) Analyst
11 15 (3.99%) Designer
12 13 (3.46%) Software Engineer
13 11 (2.93%) Consultant
14 10 (2.66%) Linux Support
14 10 (2.66%) Cloud Engineer
15 9 (2.39%) Java Developer
Libraries, Frameworks & Software Standards
1 82 (21.81%) LAMP
2 73 (19.41%) Web Services
3 42 (11.17%) jQuery
4 29 (7.71%) RESTful
5 27 (7.18%) HTML
6 25 (6.65%) Zend Framework
7 24 (6.38%) HTML5
8 23 (6.12%) XML
9 20 (5.32%) JSON
10 17 (4.52%) CSS
11 16 (4.26%) Spring
11 16 (4.26%) Ajax
12 12 (3.19%) Servlets
12 12 (3.19%) MCollective
13 11 (2.93%) Symfony
14 9 (2.39%) CakePHP
14 9 (2.39%) Regular Expression
15 7 (1.86%) CSS3
16 6 (1.60%) Hibernate
16 6 (1.60%) JMX
Miscellaneous
1 69 (18.35%) Open Source
2 16 (4.26%) Clustering
3 15 (3.99%) Computer Science
4 11 (2.93%) Online Games
4 11 (2.93%) NHS
4 11 (2.93%) Replication
5 9 (2.39%) E-Learning
6 8 (2.13%) VLE
6 8 (2.13%) Management Information System
7 7 (1.86%) Blackberry
8 6 (1.60%) Wiki
9 5 (1.33%) DTV
10 4 (1.06%) Animation
10 4 (1.06%) Learning Management System
11 3 (0.80%) STB
11 3 (0.80%) PKI
11 3 (0.80%) Linked Data
12 2 (0.53%) Social Network
12 2 (0.53%) iSeries
13 1 (0.27%) Visualisation
Operating Systems
1 305 (81.12%) Linux
2 126 (33.51%) Red Hat Enterprise Linux
3 123 (32.71%) Ubuntu
4 84 (22.34%) Windows
5 72 (19.15%) UNIX
6 54 (14.36%) Debian
7 46 (12.23%) Windows Server 2003
8 43 (11.44%) Windows Server 2008
9 23 (6.12%) Windows XP
10 16 (4.26%) Fedora
11 9 (2.39%) Windows 7
11 9 (2.39%) Windows Server 2012
12 8 (2.13%) AIX
13 6 (1.60%) Solaris
14 5 (1.33%) Oracle Linux
14 5 (1.33%) Scientific Linux
15 4 (1.06%) SUSE
16 3 (0.80%) SELinux
17 1 (0.27%) VMS
17 1 (0.27%) OS/400
Processes & Methodologies
1 142 (37.77%) DevOps
2 107 (28.46%) Continuous Integration
3 75 (19.95%) Agile Software Development
4 65 (17.29%) Configuration Management
5 48 (12.77%) Scrum
6 37 (9.84%) Workflow
6 37 (9.84%) Load Balancing
7 31 (8.24%) ITIL
8 30 (7.98%) Service Management
9 28 (7.45%) Build Automation
10 22 (5.85%) Kanban
11 19 (5.05%) Performance Testing
11 19 (5.05%) E-Commerce
11 19 (5.05%) Migration
11 19 (5.05%) TDD
12 18 (4.79%) Software Engineering
13 16 (4.26%) Incident Management
14 15 (3.99%) Data Modelling
15 11 (2.93%) Disaster Recovery
15 11 (2.93%) Performance Tuning
Programming Languages
1 133 (35.37%) Python
2 129 (34.31%) PHP
3 92 (24.47%) Perl
4 87 (23.14%) Bash Shell
5 85 (22.61%) Ruby
6 83 (22.07%) Java
7 47 (12.50%) JavaScript
8 34 (9.04%) SQL
9 26 (6.91%) Shell Script
10 16 (4.26%) PHP5
11 12 (3.19%) sed
12 3 (0.80%) PowerShell
12 3 (0.80%) AWK
12 3 (0.80%) T-SQL
12 3 (0.80%) C++
13 2 (0.53%) PL/SQL
13 2 (0.53%) C
13 2 (0.53%) XQuery
13 2 (0.53%) Scala
14 1 (0.27%) C-shell
Qualifications
1 34 (9.04%) Security Cleared
2 28 (7.45%) SC Cleared
3 15 (3.99%) Degree
4 6 (1.60%) DV Cleared
4 6 (1.60%) RHCE
5 5 (1.33%) CCNA
5 5 (1.33%) Cisco Certification
6 3 (0.80%) Microsoft Certification
6 3 (0.80%) OCP
6 3 (0.80%) Oracle Certification
6 3 (0.80%) MCSE
6 3 (0.80%) BC Cleared
7 1 (0.27%) ITIL Foundation Certificate
7 1 (0.27%) ISTQB Foundation Certification
7 1 (0.27%) ISEB
7 1 (0.27%) Linux+ Certification
7 1 (0.27%) LPIC
Quality Assurance & Compliance
1 28 (7.45%) QA
2 15 (3.99%) SLA
3 1 (0.27%) PCI DSS
System Software
1 68 (18.09%) VMware Infrastructure
2 41 (10.90%) NFS
2 41 (10.90%) Active Directory
3 25 (6.65%) XenServer
4 21 (5.59%) VMware Server
4 21 (5.59%) vCloud
5 18 (4.79%) Samba
6 17 (4.52%) Xen
6 17 (4.52%) Hyper-V
6 17 (4.52%) Postfix
7 16 (4.26%) Sendmail
8 14 (3.72%) Squid
9 10 (2.66%) vSphere
9 10 (2.66%) Varnish
10 9 (2.39%) VMware ESXi
11 8 (2.13%) KVM
11 8 (2.13%) VMware ESX
12 5 (1.33%) qmail
13 3 (0.80%) Oracle RAC
13 3 (0.80%) Oracle RMAN
Systems Management
1 175 (46.54%) Puppet
2 85 (22.61%) Opscode Chef
3 71 (18.88%) Nagios
4 41 (10.90%) Vagrant
5 40 (10.64%) ZABBIX
5 40 (10.64%) Cacti
6 35 (9.31%) Salt
7 21 (5.59%) Red Hat Spacewalk
8 11 (2.93%) Ansible
9 9 (2.39%) Opsview
9 9 (2.39%) Cobbler
9 9 (2.39%) Zenoss
10 8 (2.13%) Munin
11 7 (1.86%) YUM
11 7 (1.86%) Kibana
11 7 (1.86%) Graylog2
12 6 (1.60%) StatsD
12 6 (1.60%) SCCM
12 6 (1.60%) SCOM
13 5 (1.33%) EMC NetWorker
Vendors
1 224 (59.57%) Red Hat
2 110 (29.26%) VMware
3 51 (13.56%) Splunk
4 36 (9.57%) Rackspace
5 30 (7.98%) Oracle
6 28 (7.45%) Microsoft
6 28 (7.45%) Zend
7 26 (6.91%) RightScale
8 25 (6.65%) Cisco
9 23 (6.12%) NetApp
10 22 (5.85%) Percona
11 21 (5.59%) HP
11 21 (5.59%) EMC
12 19 (5.05%) Citrix
13 10 (2.66%) SAP
13 10 (2.66%) JBoss
14 9 (2.39%) Perforce
14 9 (2.39%) SaltStack
15 8 (2.13%) Dell
16 7 (1.86%) Veritas
South West
Opus Recruitment Solutions Ltd
Rate: Market Rate
Posted: 4 days ago
Gloucestershire
Venn Group - UK
Rate: 250-400 Per Day
Posted: 5 days ago
West London
Experis Ltd
Posted: 5 days ago
Gloucester, Gloucestershire
Coal IT Services
Rate: From £300 to £350 per day
Posted: 6 days ago
North West England
Computer Futures
Rate: competitive
Posted: 8 days ago
North West England
Computer Futures
Posted: 20 days ago
Chester
Computer Futures
Posted: 20 days ago
Chester
Computer Futures
Rate: £225 - £250 per day
Posted: 20 days ago
Reading
Computer Futures
Rate: £400 - £500 per day
Posted: 22 days ago
Bristol
Opus Recruitment Solutions Ltd
Rate: Market Rate
Posted: 25 days ago
Wolverhampton
Quantica Technology - London
Rate: £250 - £400 per day
Posted: 26 days ago