The table below looks at the statistics 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 September 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
23 Sep 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 347 414 487
Rank change year-on-year
+67 +73
Contract jobs citing CentOS 247 146 93
As % of all contract IT jobs located in England 0.47% 0.30% 0.17%
As % of the Operating Systems category 2.11% 1.32% 0.82%
Number of daily rates quoted 177 104 58
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£400 £368 £350
Average daily rate % change year-on-year
+8.84% +5.00%
90% offered a daily rate of more than £250 £250 £271
10% offered a daily rate of more than £500 £450 £417
UK excluding London average daily rate £375 £375 £294
% change year-on-year
- +27.65%
Number of hourly rates quoted 0 1 3
Average hourly rate - £45.00 £21.00
Average hourly rate % change year-on-year
- +114.28%
UK excluding London average hourly rate - £45.00 £21.00
% change year-on-year
- +114.28%
CentOS
UK

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in contract jobs advertised in the England region.

Operating Systems Category
England
Contract IT job ads with a match in the
Operating Systems category
11679 11042 11303
As % of all contract IT jobs located in England 22.26% 22.93% 21.09%
Number of daily rates quoted 6854 6361 5887
Average daily rate £350 £360 £350
Average daily rate % change year-on-year
-2.77% +2.85%
90% offered a daily rate of more than £168 £180 £190
10% offered a daily rate of more than £520 £525 £500
UK excluding London average daily rate £325 £325 £320
% change year-on-year
- +1.56%
Number of hourly rates quoted 1029 964 1147
Average hourly rate £16.00 £16.00 £17.50
Average hourly rate % change year-on-year
- -8.57%
90% offered a hourly rate of more than £11.00 £11.00 £11.50
10% offered a hourly rate of more than £34.00 £37.50 £40.50
UK excluding London average hourly rate £16.16 £15.50 £17.00
% change year-on-year
+4.25% -8.82%

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 September 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 September 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 +48 126 £400 +9.58% 42
South West +25 54 £400 +23.07% 10
South East +3 29 £403 +5.22% 16
Yorkshire +10 21 £225 -45.12% 9
North West -1 12 £400 - 7
East Midlands - 8 £328 - 2
West Midlands - 1 - - 7
East of England - - - - 1
North East - - - - 1
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 23 September 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.

1 400 (86.39%) Linux
2 261 (56.37%) Red Hat
3 223 (48.16%) Puppet
4 217 (46.87%) Apache
5 185 (39.96%) DevOps
6 178 (38.44%) PHP
7 168 (36.29%) MySQL
8 163 (35.21%) Ubuntu
9 162 (34.99%) Agile Software Development
10 161 (34.77%) Python
11 144 (31.10%) Continuous Integration
12 132 (28.51%) VMware
13 131 (28.29%) Red Hat Enterprise Linux
14 121 (26.13%) Jenkins
15 116 (25.05%) Opscode Chef
16 115 (24.84%) Ruby
17 114 (24.62%) Java
18 110 (23.76%) Perl
19 104 (22.46%) Bash Shell
20 102 (22.03%) Amazon AWS
20 102 (22.03%) Git (software)
21 98 (21.17%) Open Source
21 98 (21.17%) LAMP
22 97 (20.95%) Web Services
23 95 (20.52%) Nagios
24 92 (19.87%) Windows
25 85 (18.36%) JavaScript
26 83 (17.93%) Configuration Management
27 73 (15.77%) Splunk
28 72 (15.55%) VMware Infrastructure

CentOS
Top Related IT Skills in England by Category

For the 6 months to 23 September 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
1 217 (46.87%) Apache
2 56 (12.10%) nginx
3 47 (10.15%) Tomcat
4 27 (5.83%) OpenStack
5 18 (3.89%) Elasticsearch
6 17 (3.67%) Node.js
7 14 (3.02%) Moodle
8 13 (2.81%) Confluence
9 11 (2.38%) IIS
9 11 (2.38%) MS Exchange
10 7 (1.51%) WebSphere
10 7 (1.51%) MediaWiki
11 6 (1.30%) SharePoint
11 6 (1.30%) SharePoint 2010
11 6 (1.30%) Exchange Server 2010
12 5 (1.08%) Drupal
12 5 (1.08%) Office Communications Server
12 5 (1.08%) WebLogic
13 4 (0.86%) Jetty
14 3 (0.65%) WordPress
Applications
1 10 (2.16%) MS Excel
2 2 (0.43%) MS Office
Business Applications
1 5 (1.08%) SAP Oil and Gas
1 5 (1.08%) Magento
2 3 (0.65%) Shopify
3 2 (0.43%) Oracle EBS
4 1 (0.22%) Oracle BPM
Cloud Services
1 102 (22.03%) Amazon AWS
2 68 (14.69%) Amazon EC2
3 61 (13.17%) Amazon S3
4 28 (6.05%) SaaS
5 23 (4.97%) Amazon ELB
6 21 (4.54%) Route 53
7 19 (4.10%) PaaS
8 11 (2.38%) Cloud Computing
9 6 (1.30%) Rackspace Cloud
10 5 (1.08%) Google Apps
11 2 (0.43%) Office 365
12 1 (0.22%) Joyent
12 1 (0.22%) Amazon SQS
12 1 (0.22%) Amazon EMR
Communications & Networking
1 61 (13.17%) Firewall
2 45 (9.72%) LDAP
2 45 (9.72%) DNS
3 36 (7.78%) SAN
4 26 (5.62%) WAN
5 25 (5.40%) Internet
6 24 (5.18%) LAN
7 23 (4.97%) DHCP
8 19 (4.10%) TCP/IP
8 19 (4.10%) VPN
9 18 (3.89%) SSL
9 18 (3.89%) iSCSI
10 15 (3.24%) SSH
11 14 (3.02%) Network Security
12 11 (2.38%) BGP
13 9 (1.94%) OSPF
13 9 (1.94%) Ethernet
14 8 (1.73%) SMTP
15 7 (1.51%) SNMP
15 7 (1.51%) IPv6
Database & Business Intelligence
1 168 (36.29%) MySQL
2 53 (11.45%) MongoDB
3 52 (11.23%) PostgreSQL
4 46 (9.94%) NoSQL
5 31 (6.70%) Apache Cassandra
6 25 (5.40%) Big Data
7 22 (4.75%) Hadoop
8 19 (4.10%) SQL Server
9 18 (3.89%) CouchDB
10 16 (3.46%) Riak
11 14 (3.02%) Relational Database
12 9 (1.94%) Redis
13 6 (1.30%) Oracle Database
14 5 (1.08%) Couchbase
15 4 (0.86%) RDBMS
15 4 (0.86%) Data Warehouse
16 3 (0.65%) SQL Server Reporting Services
16 3 (0.65%) SQL Server 2005
16 3 (0.65%) SQL Server Integration Services
16 3 (0.65%) Oracle Database 11g
Development Applications
1 121 (26.13%) Jenkins
2 102 (22.03%) Git (software)
3 69 (14.90%) Maven
4 54 (11.66%) Hudson
5 42 (9.07%) PHPUnit
6 37 (7.99%) Subversion
7 16 (3.46%) JIRA
7 16 (3.46%) RSpec
8 13 (2.81%) Cucumber
9 9 (1.94%) JUnit
10 5 (1.08%) Selenium
11 4 (0.86%) Eclipse
11 4 (0.86%) Mercurial
11 4 (0.86%) Gerrit
11 4 (0.86%) Behat
12 3 (0.65%) Grunt
12 3 (0.65%) Artifactory
12 3 (0.65%) Atlassian Bamboo
12 3 (0.65%) Mockito
12 3 (0.65%) JMeter
General
1 25 (5.40%) Finance
2 10 (2.16%) Games
3 9 (1.94%) Pharmaceutical
4 7 (1.51%) Electronics
5 6 (1.30%) Telecoms
5 6 (1.30%) Manufacturing
6 5 (1.08%) Marketing
7 4 (0.86%) Retail
8 3 (0.65%) Publishing
8 3 (0.65%) Banking
9 2 (0.43%) Advertising
9 2 (0.43%) Legal
10 1 (0.22%) Billing
Job Titles
1 104 (22.46%) DevOps Engineer
2 79 (17.06%) Developer
3 46 (9.94%) Linux Engineer
4 44 (9.50%) PHP Developer
5 43 (9.29%) Linux DevOps Engineer
6 41 (8.86%) Administrator
7 36 (7.78%) Systems Administrator
8 27 (5.83%) Senior DevOps Engineer
8 27 (5.83%) Linux Administrator
9 24 (5.18%) 2nd Line Support
10 23 (4.97%) Analyst
10 23 (4.97%) Architect
11 19 (4.10%) Linux Systems Administrator
12 17 (3.67%) Java Developer
12 17 (3.67%) Software Engineer
12 17 (3.67%) Support Engineer
13 16 (3.46%) Designer
13 16 (3.46%) PHP Zend Developer
14 14 (3.02%) DevOps Architect
15 13 (2.81%) Linux Support
Libraries, Frameworks & Software Standards
1 98 (21.17%) LAMP
2 97 (20.95%) Web Services
3 66 (14.25%) jQuery
4 56 (12.10%) HTML
5 50 (10.80%) HTML5
6 42 (9.07%) Zend Framework
7 31 (6.70%) RESTful
8 26 (5.62%) CSS
9 20 (4.32%) MCollective
10 19 (4.10%) Spring
11 18 (3.89%) XML
12 14 (3.02%) JSON
13 13 (2.81%) Servlets
14 11 (2.38%) Ajax
15 9 (1.94%) Symfony
15 9 (1.94%) Regular Expression
16 7 (1.51%) AngularJS
17 6 (1.30%) CSS3
17 6 (1.30%) ActiveMQ
17 6 (1.30%) SOAP
Miscellaneous
1 98 (21.17%) Open Source
2 26 (5.62%) Analytical Skills
3 25 (5.40%) Computer Science
4 15 (3.24%) NHS
5 14 (3.02%) Replication
6 12 (2.59%) Clustering
7 10 (2.16%) E-Learning
8 9 (1.94%) Management Information System
9 8 (1.73%) VLE
9 8 (1.73%) Wiki
9 8 (1.73%) Online Games
10 7 (1.51%) PKI
11 6 (1.30%) Blackberry
12 5 (1.08%) DTV
12 5 (1.08%) User Experience
13 4 (0.86%) Learning Management System
13 4 (0.86%) Animation
14 3 (0.65%) Linked Data
14 3 (0.65%) Mobile App
14 3 (0.65%) Enterprise Software
Operating Systems
1 400 (86.39%) Linux
2 163 (35.21%) Ubuntu
3 131 (28.29%) Red Hat Enterprise Linux
4 92 (19.87%) Windows
5 69 (14.90%) UNIX
6 60 (12.96%) Debian
7 48 (10.37%) Windows Server 2003
8 46 (9.94%) Windows Server 2008
9 25 (5.40%) Windows XP
10 15 (3.24%) Fedora
11 13 (2.81%) Windows Server 2012
12 9 (1.94%) Windows 7
12 9 (1.94%) AIX
13 7 (1.51%) Solaris
14 4 (0.86%) Scientific Linux
15 3 (0.65%) SELinux
15 3 (0.65%) VMS
16 2 (0.43%) SUSE
16 2 (0.43%) Oracle Linux
17 1 (0.22%) Windows 8
Processes & Methodologies
1 185 (39.96%) DevOps
2 162 (34.99%) Agile Software Development
3 144 (31.10%) Continuous Integration
4 83 (17.93%) Configuration Management
5 69 (14.90%) Scrum
6 58 (12.53%) Load Balancing
7 47 (10.15%) Workflow
8 44 (9.50%) Service Management
9 37 (7.99%) ITIL
10 32 (6.91%) Software Engineering
10 32 (6.91%) Build Automation
11 31 (6.70%) Kanban
12 25 (5.40%) Incident Management
12 25 (5.40%) Mentoring
13 24 (5.18%) TDD
14 18 (3.89%) Service Delivery
15 17 (3.67%) Data Modelling
15 17 (3.67%) Performance Testing
16 16 (3.46%) BDD
17 15 (3.24%) Automated Testing
Programming Languages
1 178 (38.44%) PHP
2 161 (34.77%) Python
3 115 (24.84%) Ruby
4 114 (24.62%) Java
5 110 (23.76%) Perl
6 104 (22.46%) Bash Shell
7 85 (18.36%) JavaScript
8 45 (9.72%) SQL
9 34 (7.34%) Shell Script
10 13 (2.81%) PHP5
11 9 (1.94%) sed
12 7 (1.51%) PowerShell
13 6 (1.30%) Scala
14 5 (1.08%) T-SQL
14 5 (1.08%) C++
15 2 (0.43%) C
15 2 (0.43%) PL/SQL
15 2 (0.43%) MATLAB
15 2 (0.43%) XQuery
15 2 (0.43%) TypeScript
Qualifications
1 70 (15.12%) Security Cleared
2 58 (12.53%) SC Cleared
3 20 (4.32%) Degree
4 17 (3.67%) CCNA
4 17 (3.67%) Cisco Certification
5 10 (2.16%) DV Cleared
6 5 (1.08%) BC Cleared
7 4 (0.86%) RHCE
8 3 (0.65%) CTC Cleared
8 3 (0.65%) Microsoft Certification
8 3 (0.65%) MCSE
9 2 (0.43%) PhD
9 2 (0.43%) OCP
9 2 (0.43%) Oracle Certification
9 2 (0.43%) LPIC
10 1 (0.22%) Linux+ Certification
10 1 (0.22%) RHCT
10 1 (0.22%) ITIL Foundation Certificate
10 1 (0.22%) ISTQB Foundation Certification
10 1 (0.22%) ISEB
Quality Assurance & Compliance
1 28 (6.05%) QA
2 17 (3.67%) SLA
3 2 (0.43%) PCI DSS
System Software
1 72 (15.55%) VMware Infrastructure
2 37 (7.99%) XenServer
3 35 (7.56%) NFS
3 35 (7.56%) vCloud
4 34 (7.34%) Active Directory
5 28 (6.05%) Samba
6 21 (4.54%) VMware Server
7 19 (4.10%) Postfix
8 16 (3.46%) Sendmail
8 16 (3.46%) Squid
9 14 (3.02%) Hyper-V
10 12 (2.59%) vSphere
11 11 (2.38%) Varnish
11 11 (2.38%) Xen
12 7 (1.51%) qmail
13 5 (1.08%) VMware ESX
13 5 (1.08%) VirtualBox
14 3 (0.65%) KVM
14 3 (0.65%) Docker
14 3 (0.65%) VMware Workstation
Systems Management
1 223 (48.16%) Puppet
2 116 (25.05%) Opscode Chef
3 95 (20.52%) Nagios
4 50 (10.80%) ZABBIX
5 45 (9.72%) Cacti
5 45 (9.72%) Vagrant
6 44 (9.50%) Salt
7 21 (4.54%) Red Hat Spacewalk
8 20 (4.32%) Zenoss
9 17 (3.67%) Kibana
10 14 (3.02%) Graylog2
11 9 (1.94%) Ansible
11 9 (1.94%) Cobbler
12 8 (1.73%) YUM
12 8 (1.73%) Opsview
13 6 (1.30%) logstash
13 6 (1.30%) Capistrano
13 6 (1.30%) SCCM
14 5 (1.08%) SCOM
14 5 (1.08%) CFEngine
Vendors
1 261 (56.37%) Red Hat
2 132 (28.51%) VMware
3 73 (15.77%) Splunk
4 45 (9.72%) Zend
5 28 (6.05%) Rackspace
6 26 (5.62%) Citrix
6 26 (5.62%) Cisco
7 24 (5.18%) Percona
8 23 (4.97%) Oracle
8 23 (4.97%) Microsoft
9 20 (4.32%) EMC
10 19 (4.10%) RightScale
10 19 (4.10%) Perforce
11 17 (3.67%) NetApp
12 15 (3.24%) JBoss
13 10 (2.16%) HP
13 10 (2.16%) Google
14 8 (1.73%) Tripwire
14 8 (1.73%) Dell
15 7 (1.51%) SAP
Chester, Cheshire
TEKsystems
Rate: £450 - £550 per day
Posted: 2 hours ago
Chester, Cheshire
TEKsystems
Posted: 7 hours ago
City, London
Oliver Bernard
Rate: From £500 to £550 per day
Posted: 22 hours ago
Cheshire
Hays IT - Uk Posting account
Rate: £300.00 - £450.00 per annum
Posted: Yesterday
Bristol, Somerset
Kainos Software
Posted: 3 days ago
Bristol Area
Opus Recruitment Solutions Ltd
Rate: £300 to £450 per day
Posted: 4 days ago
Chester, Cheshire
Lorien Resourcing
Posted: 5 days ago
Chester, Cheshire
Harvey Nash plc
Posted: 5 days ago
London
Lorien Resourcing
Posted: 6 days ago
Croydon, Surrey
Venturi
Rate: £400 per day
Posted: 6 days ago
Chester, Cheshire
HAYS INFORMATION TECHNOLOGY
Rate: £375.00 - £425.00 per day
Posted: 6 days ago
Central London / West End
Reed Business Information Ltd
Rate: From £400 to £500 per day direct - no agency margin
Posted: 13 days ago
Swindon
Computer Futures
Rate: £150 - £300 per day + competitive
Posted: 14 days ago
Bristol
Kainos
Rate: £400 - £475 per day
Posted: 15 days ago
London
Opus Recruitment Solutions Ltd
Rate: Market Rate
Posted: 15 days ago
Haywards Heath
Greywood Associates Limited
Rate: £240 - £280 per day
Posted: 19 days ago
Berkshire
Computer Futures
Rate: £40000 - £50000 per annum + competitive
Posted: 19 days ago