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 1 May 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
1 May 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 351 434 455
Rank change year-on-year
+83 +21
Contract jobs citing CentOS 250 140 87
As % of all contract IT jobs located in England 0.49% 0.28% 0.20%
As % of the Operating Systems category 2.22% 1.28% 0.92%
Number of daily rates quoted 175 79 60
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£388 £393 £310
Average daily rate % change year-on-year
-1.27% +26.61%
90% offered a daily rate of more than £222 £299 £139
10% offered a daily rate of more than £500 £525 £448
UK excluding London average daily rate £363 £375 £300
% change year-on-year
-3.33% +25.00%
Number of hourly rates quoted 0 2 4
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%
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
11282 10975 9434
As % of all contract IT jobs located in England 22.27% 22.13% 21.65%
Number of daily rates quoted 6503 6277 5171
Average daily rate £370 £350 £360
Average daily rate % change year-on-year
+5.82% -2.77%
90% offered a daily rate of more than £180 £160 £188
10% offered a daily rate of more than £525 £520 £501
UK excluding London average daily rate £347 £320 £325
% change year-on-year
+8.58% -1.53%
Number of hourly rates quoted 924 986 961
Average hourly rate £16.25 £16.20 £17.50
Average hourly rate % change year-on-year
+0.30% -7.42%
90% offered a hourly rate of more than £11.00 £11.00 £11.00
10% offered a hourly rate of more than £38.08 £37.50 £37.50
UK excluding London average hourly rate £16.00 £15.85 £16.00
% change year-on-year
+0.94% -0.93%

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 1 May 2015.

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 1 May 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
London +30 90 £450 +3.44% 42
Yorkshire +26 46 £228 -35.00% 6
South East +12 42 £375 -3.22% 18
South West +24 33 £375 +7.14% 16
North West -23 24 £400 +3.22% 4
East Midlands +1 11 £450 +16.12% 2
East of England +2 2 - - 3
North East - 2 £450 - 2
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 1 May 2015, 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.

1 457 (87.55%) Linux
2 252 (48.28%) Puppet
3 247 (47.32%) Red Hat
4 216 (41.38%) DevOps
5 195 (37.36%) Jenkins
6 188 (36.02%) Ubuntu
7 183 (35.06%) Python
8 178 (34.10%) Continuous Integration
9 176 (33.72%) Git (software)
9 176 (33.72%) MySQL
10 175 (33.52%) Bash Shell
11 165 (31.61%) VMware
11 165 (31.61%) Agile Software Development
12 160 (30.65%) Apache
13 159 (30.46%) Red Hat Enterprise Linux
14 146 (27.97%) Java
15 140 (26.82%) Windows
16 139 (26.63%) Ruby
17 137 (26.25%) Opscode Chef
18 132 (25.29%) PHP
19 110 (21.07%) Perl
20 109 (20.88%) Amazon AWS
21 104 (19.92%) Firewall
22 97 (18.58%) MongoDB
23 92 (17.62%) Configuration Management
24 81 (15.52%) NoSQL
24 81 (15.52%) Subversion
25 80 (15.33%) Maven
25 80 (15.33%) Security Cleared
26 79 (15.13%) Web Services

CentOS
Top Related IT Skills in England by Category

For the 6 months to 1 May 2015, 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
1 160 (30.65%) Apache
2 57 (10.92%) Tomcat
3 53 (10.15%) nginx
4 45 (8.62%) OpenStack
5 32 (6.13%) IIS
6 31 (5.94%) JBoss
7 28 (5.36%) Confluence
7 28 (5.36%) Node.js
8 18 (3.45%) MediaWiki
9 16 (3.07%) Cloud Foundry
10 15 (2.87%) Elasticsearch
11 11 (2.11%) Mule ESB
12 9 (1.72%) SharePoint
13 8 (1.53%) WebSphere
14 6 (1.15%) Apache ServiceMix
14 6 (1.15%) Drupal
14 6 (1.15%) Moodle
15 5 (0.96%) Lync
15 5 (0.96%) WordPress
15 5 (0.96%) Alfresco
Applications
1 22 (4.21%) MS Excel
2 7 (1.34%) MS Office
3 1 (0.19%) MS Visio
3 1 (0.19%) Photoshop
Business Applications
1 4 (0.77%) ResourceLink
2 3 (0.57%) SAP Oil and Gas
3 2 (0.38%) Agresso
4 1 (0.19%) AWD
Cloud Services
1 109 (20.88%) Amazon AWS
2 47 (9.00%) PaaS
3 35 (6.70%) Amazon S3
4 34 (6.51%) Amazon EC2
5 17 (3.26%) Amazon ELB
6 16 (3.07%) Heroku
6 16 (3.07%) Engine Yard
7 14 (2.68%) Route 53
8 10 (1.92%) Google Cloud Platform
9 8 (1.53%) SaaS
10 7 (1.34%) Microsoft Azure
10 7 (1.34%) IaaS
10 7 (1.34%) GitHub
11 5 (0.96%) Virtual Private Cloud
12 4 (0.77%) Cloud Computing
13 3 (0.57%) AWS CloudFormation
13 3 (0.57%) Amazon CloudWatch
14 2 (0.38%) Rackspace Cloud
14 2 (0.38%) Amazon SQS
Communications & Networking
1 104 (19.92%) Firewall
2 53 (10.15%) DNS
3 49 (9.39%) VPN
4 43 (8.24%) LDAP
5 42 (8.05%) TCP/IP
5 42 (8.05%) VLAN
6 39 (7.47%) LAN
7 36 (6.90%) SAN
8 33 (6.32%) WAN
9 32 (6.13%) SSL
10 23 (4.41%) Network Security
11 21 (4.02%) HTTP
12 20 (3.83%) iSCSI
13 16 (3.07%) IPv6
14 15 (2.87%) IPsec
14 15 (2.87%) Internet
15 14 (2.68%) OSPF
15 14 (2.68%) BGP
15 14 (2.68%) EIGRP
16 12 (2.30%) VoIP
Database & Business Intelligence
1 176 (33.72%) MySQL
2 97 (18.58%) MongoDB
3 81 (15.52%) NoSQL
4 61 (11.69%) PostgreSQL
5 44 (8.43%) Apache Cassandra
6 34 (6.51%) Relational Database
7 31 (5.94%) SQL Server
8 28 (5.36%) Hadoop
9 27 (5.17%) Redis
10 23 (4.41%) CouchDB
11 21 (4.02%) RDBMS
12 13 (2.49%) Big Data
12 13 (2.49%) MariaDB
13 12 (2.30%) SQL Server 2012
14 9 (1.72%) Riak
15 6 (1.15%) Amazon RDS
15 6 (1.15%) Pentaho
16 4 (0.77%) SQL Server 2008
17 3 (0.57%) SQL Server Integration Services
17 3 (0.57%) SQL Server Reporting Services
Development Applications
1 195 (37.36%) Jenkins
2 176 (33.72%) Git (software)
3 81 (15.52%) Subversion
4 80 (15.33%) Maven
5 46 (8.81%) Hudson
6 33 (6.32%) JIRA
7 32 (6.13%) PHPUnit
8 26 (4.98%) Artifactory
9 23 (4.41%) SonarQube
10 14 (2.68%) JMeter
11 13 (2.49%) Selenium
12 12 (2.30%) Gradle
12 12 (2.30%) Gerrit
13 10 (1.92%) Mercurial
14 7 (1.34%) JUnit
15 6 (1.15%) QUnit
15 6 (1.15%) Atlassian Bamboo
16 5 (0.96%) Grunt
17 4 (0.77%) webpack
17 4 (0.77%) Cucumber
General
1 36 (6.90%) Finance
2 13 (2.49%) Games
3 9 (1.72%) Telecoms
4 6 (1.15%) Marketing
5 4 (0.77%) Electronics
5 4 (0.77%) Manufacturing
6 3 (0.57%) Advertising
7 2 (0.38%) Military
7 2 (0.38%) Banking
7 2 (0.38%) Retail
8 1 (0.19%) Back Office
Job Titles
1 138 (26.44%) DevOps Engineer
2 80 (15.33%) Administrator
3 66 (12.64%) Developer
4 60 (11.49%) Systems Administrator
4 60 (11.49%) Linux Administrator
5 57 (10.92%) Senior DevOps Engineer
6 47 (9.00%) Linux Engineer
7 42 (8.05%) Linux DevOps Engineer
8 41 (7.85%) Linux Systems Administrator
9 30 (5.75%) PHP Developer
10 22 (4.21%) Support Engineer
11 19 (3.64%) Infrastructure Engineer
12 18 (3.45%) Software Engineer
12 18 (3.45%) Architect
13 16 (3.07%) Analyst
13 16 (3.07%) Systems Engineer
13 16 (3.07%) 2nd Line Support
14 14 (2.68%) Linux Support
15 12 (2.30%) Network Engineer
16 11 (2.11%) Support Analyst
Libraries, Frameworks & Software Standards
1 79 (15.13%) Web Services
2 60 (11.49%) jQuery
3 59 (11.30%) HTML
4 56 (10.73%) LAMP
5 48 (9.20%) HTML5
6 34 (6.51%) RabbitMQ
7 33 (6.32%) Doctrine
8 31 (5.94%) Zend Framework
8 31 (5.94%) CSS
9 29 (5.56%) MCollective
10 24 (4.60%) XML
11 23 (4.41%) JSON
12 19 (3.64%) REST
13 18 (3.45%) J2EE
14 16 (3.07%) Spring
15 14 (2.68%) Kafka
15 14 (2.68%) Hibernate
16 12 (2.30%) JPA
17 11 (2.11%) ActiveMQ
18 10 (1.92%) RESTful
Miscellaneous
1 55 (10.54%) Clustering
1 55 (10.54%) Open Source
2 21 (4.02%) Device Driver
3 18 (3.45%) Wiki
4 16 (3.07%) Hybrid Cloud
4 16 (3.07%) Smartcard
5 15 (2.87%) Computer Science
5 15 (2.87%) Analytical Skills
6 14 (2.68%) NHS
7 12 (2.30%) Private Cloud
7 12 (2.30%) PKI
8 9 (1.72%) Online Games
8 9 (1.72%) User Experience
9 8 (1.53%) Management Information System
10 5 (0.96%) W3C
10 5 (0.96%) Digital Media
11 4 (0.77%) Data Structures
11 4 (0.77%) Fat Client
11 4 (0.77%) Thin Client
11 4 (0.77%) Client/Server
Operating Systems
1 457 (87.55%) Linux
2 188 (36.02%) Ubuntu
3 159 (30.46%) Red Hat Enterprise Linux
4 140 (26.82%) Windows
5 72 (13.79%) UNIX
6 49 (9.39%) Debian
7 45 (8.62%) Windows Server 2003
8 42 (8.05%) Windows Server 2008
9 28 (5.36%) Windows Server 2012
10 24 (4.60%) Fedora
11 15 (2.87%) Windows 7
12 12 (2.30%) Solaris
13 11 (2.11%) VMS
14 9 (1.72%) Windows XP
14 9 (1.72%) Mac OS X
15 8 (1.53%) Oracle Linux
15 8 (1.53%) SUSE
16 7 (1.34%) HPUX
17 6 (1.15%) Windows 8
18 3 (0.57%) Windows 2000
Processes & Methodologies
1 216 (41.38%) DevOps
2 178 (34.10%) Continuous Integration
3 165 (31.61%) Agile Software Development
4 92 (17.62%) Configuration Management
5 68 (13.03%) Scrum
6 64 (12.26%) Load Balancing
7 57 (10.92%) ITIL
8 48 (9.20%) Automated Testing
9 47 (9.00%) Workflow
10 43 (8.24%) Build Automation
11 36 (6.90%) Software Engineering
11 36 (6.90%) Service Management
12 31 (5.94%) Mentoring
13 30 (5.75%) Change Management
14 27 (5.17%) Capacity Planning
15 25 (4.79%) Refactoring
16 24 (4.60%) TDD
17 22 (4.21%) Service Delivery
18 21 (4.02%) Release Management
18 21 (4.02%) Incident Management
Programming Languages
1 183 (35.06%) Python
2 175 (33.52%) Bash Shell
3 146 (27.97%) Java
4 139 (26.63%) Ruby
5 132 (25.29%) PHP
6 110 (21.07%) Perl
7 74 (14.18%) SQL
8 73 (13.98%) JavaScript
9 53 (10.15%) Shell Script
10 19 (3.64%) Korn
11 10 (1.92%) Scala
12 9 (1.72%) C#
12 9 (1.72%) C++
13 7 (1.34%) Go
14 6 (1.15%) C
15 5 (0.96%) Groovy
15 5 (0.96%) PHP5
16 4 (0.77%) PowerShell
17 2 (0.38%) sed
18 1 (0.19%) PL/SQL
Qualifications
1 80 (15.33%) Security Cleared
2 49 (9.39%) SC Cleared
3 25 (4.79%) Cisco Certification
4 24 (4.60%) CCNA
5 12 (2.30%) DV Cleared
6 10 (1.92%) Degree
7 8 (1.53%) RHCT
8 7 (1.34%) RHCE
9 4 (0.77%) CCNP
10 3 (0.57%) JNCIA
10 3 (0.57%) JNCIS
11 1 (0.19%) MCSE
11 1 (0.19%) Microsoft Certification
11 1 (0.19%) BC Cleared
Quality Assurance & Compliance
1 37 (7.09%) QA
2 7 (1.34%) SLA
3 6 (1.15%) PCI DSS
4 3 (0.57%) WAI
5 2 (0.38%) ISO/IEC 27001
6 1 (0.19%) Sarbanes-Oxley
6 1 (0.19%) ISO 9001
6 1 (0.19%) HIPAA
System Software
1 73 (13.98%) VMware Infrastructure
2 50 (9.58%) Active Directory
3 39 (7.47%) Docker
4 37 (7.09%) vCloud
5 28 (5.36%) Postfix
6 27 (5.17%) iptables
7 23 (4.41%) Samba
8 21 (4.02%) Hyper-V
9 20 (3.83%) vSphere
10 18 (3.45%) NFS
11 15 (2.87%) XenServer
12 14 (2.68%) Firmware
13 10 (1.92%) VMware Server
14 9 (1.72%) XenDesktop
14 9 (1.72%) XenApp
14 9 (1.72%) VMware ESXi
14 9 (1.72%) Xen
15 6 (1.15%) Terminal Services
16 5 (0.96%) qmail
17 4 (0.77%) SpamAssassin
Systems Management
1 252 (48.28%) Puppet
2 137 (26.25%) Opscode Chef
3 78 (14.94%) Nagios
4 74 (14.18%) ZABBIX
4 74 (14.18%) Ansible
5 55 (10.54%) Salt
6 32 (6.13%) Cobbler
7 27 (5.17%) Vagrant
7 27 (5.17%) Graphite
8 21 (4.02%) Cacti
9 20 (3.83%) Kibana
10 18 (3.45%) HAProxy
11 16 (3.07%) logstash
12 13 (2.49%) collectd
12 13 (2.49%) SELinux
13 12 (2.30%) FortiGate
14 11 (2.11%) yum
15 9 (1.72%) Zenoss
15 9 (1.72%) Graylog
16 8 (1.53%) Red Hat Spacewalk
Vendors
1 247 (47.32%) Red Hat
2 165 (31.61%) VMware
3 66 (12.64%) Splunk
4 59 (11.30%) Cisco
5 58 (11.11%) Microsoft
6 43 (8.24%) Oracle
7 35 (6.70%) Zend
8 29 (5.56%) Citrix
9 22 (4.21%) HP
10 18 (3.45%) NetApp
11 17 (3.26%) Rackspace
12 14 (2.68%) Google
12 14 (2.68%) Perforce
13 13 (2.49%) Percona
14 9 (1.72%) Brocade
15 8 (1.53%) F5
15 8 (1.53%) Dell
16 7 (1.34%) EMC
17 6 (1.15%) New Relic
17 6 (1.15%) AppDynamics
City, London
Harrington Starr
Rate: £550 per day
Posted: Yesterday
London
NSK International Consultants Ltd
Rate: Up to £420 per day
Posted: Yesterday
Central London / West End
Digitech Resourcing Ltd
Rate: Up to £550 per day
Posted: 3 days ago
Oxford, Oxfordshire
TEKsystems
Rate: £350 - £400 per day
Posted: 3 days ago
City, London
Arrows Group
Rate: £350 - £375 per day
Posted: 4 days ago
Leeds, West Yorkshire
Certes Computing Ltd
Rate: £200 - £250 per day
Posted: 5 days ago
Swindon
Computer Futures
Rate: £350 - £400 per day
Posted: 5 days ago
Swindon
Computer Futures
Rate: £250 - £400 per day
Posted: 5 days ago
Central London / West End
Digitech Resourcing Ltd
Rate: Up to £450 per day then £70,000
Posted: 5 days ago
Bicester, Oxfordshire
TEKsystems
Rate: £350 - £400 per day
Posted: 6 days ago
City, London
Oliver Bernard
Rate: From £400 to £450 per day
Posted: 6 days ago
Oxfordshire
Claremont Consulting Limited
Rate: £450 - £535 per day
Posted: 9 days ago
London
Computer Futures
Rate: competitive
Posted: 22 days ago