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 30 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
30 Jan 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 313 448 405
Rank change year-on-year
+135 -43
Contract jobs citing CentOS 276 91 110
As % of all contract IT jobs located in England 0.59% 0.21% 0.27%
As % of the Operating Systems category 2.59% 0.92% 1.22%
Number of daily rates quoted 191 66 61
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£425 £400 £375
Average daily rate % change year-on-year
+6.25% +6.66%
90% offered a daily rate of more than £245 £275 £225
10% offered a daily rate of more than £525 £463 £450
UK excluding London average daily rate £350 £400 £325
% change year-on-year
-12.50% +23.07%
Number of hourly rates quoted 1 1 2
Average hourly rate £47.50 £15.00 £35.50
Average hourly rate % change year-on-year
+216.66% -57.74%
UK excluding London average hourly rate £47.50 £23.75 £32.50
% change year-on-year
+100.00% -26.92%
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
10645 9860 9025
As % of all contract IT jobs located in England 22.92% 22.42% 22.28%
Number of daily rates quoted 6292 5512 4817
Average daily rate £375 £350 £360
Average daily rate % change year-on-year
+7.14% -2.77%
90% offered a daily rate of more than £175 £150 £183
10% offered a daily rate of more than £525 £520 £500
UK excluding London average daily rate £338 £307 £325
% change year-on-year
+9.93% -5.53%
Number of hourly rates quoted 853 912 1031
Average hourly rate £16.00 £15.50 £17.50
Average hourly rate % change year-on-year
+3.22% -11.42%
90% offered a hourly rate of more than £11.00 £11.00 £11.00
10% offered a hourly rate of more than £37.50 £33.50 £38.85
UK excluding London average hourly rate £15.50 £15.00 £17.00
% change year-on-year
+3.33% -11.76%

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 30 January 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 30 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
London +80 146 £450 +9.09% 50
South West +24 42 £400 +28.00% 8
South East +24 39 £381 -4.68% 16
Yorkshire +9 19 £238 - 10
East of England +11 18 £189 -52.81% 3
North West -14 5 £300 -29.41% 13
North East - 5 £300 -
West Midlands +1 1 - - 6
East Midlands - 1 £350 -
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 30 January 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.

1 528 (90.72%) Linux
2 306 (52.58%) Puppet
3 278 (47.77%) DevOps
4 276 (47.42%) Red Hat
5 239 (41.07%) Agile Software Development
6 238 (40.89%) Continuous Integration
7 224 (38.49%) Apache
8 213 (36.60%) Jenkins
9 202 (34.71%) PHP
10 200 (34.36%) MySQL
10 200 (34.36%) Git (software)
11 188 (32.30%) Ubuntu
12 186 (31.96%) Red Hat Enterprise Linux
13 185 (31.79%) Bash Shell
14 183 (31.44%) Ruby
15 180 (30.93%) Opscode Chef
16 172 (29.55%) Python
17 167 (28.69%) Java
18 161 (27.66%) VMware
19 128 (21.99%) Configuration Management
20 119 (20.45%) Perl
21 115 (19.76%) Security Cleared
21 115 (19.76%) Amazon AWS
22 111 (19.07%) Maven
22 111 (19.07%) Windows
23 110 (18.90%) JavaScript
23 110 (18.90%) Nagios
24 99 (17.01%) Firewall
25 96 (16.49%) Web Services
26 95 (16.32%) jQuery

CentOS
Top Related IT Skills in England by Category

For the 6 months to 30 January 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
1 224 (38.49%) Apache
2 56 (9.62%) OpenStack
3 53 (9.11%) nginx
4 49 (8.42%) Tomcat
5 24 (4.12%) JBoss
6 23 (3.95%) Elasticsearch
6 23 (3.95%) Node.js
7 19 (3.26%) IIS
8 18 (3.09%) Confluence
9 13 (2.23%) MediaWiki
10 12 (2.06%) Cloud Foundry
11 9 (1.55%) WebSphere
12 8 (1.37%) MS Exchange
13 6 (1.03%) Moodle
14 5 (0.86%) Apache ServiceMix
14 5 (0.86%) Exchange Server 2010
14 5 (0.86%) SharePoint
15 4 (0.69%) Lync
15 4 (0.69%) Drupal
15 4 (0.69%) Exchange Server 2013
Applications
1 28 (4.81%) MS Excel
2 7 (1.20%) MS Office
Business Applications
1 6 (1.03%) SAP Oil and Gas
2 3 (0.52%) ResourceLink
3 2 (0.34%) Agresso
4 1 (0.17%) Oracle BPM
4 1 (0.17%) Magento
Cloud Services
1 115 (19.76%) Amazon AWS
2 58 (9.97%) PaaS
2 58 (9.97%) Amazon EC2
2 58 (9.97%) Amazon S3
3 26 (4.47%) Amazon ELB
4 18 (3.09%) Route 53
5 17 (2.92%) SaaS
6 12 (2.06%) Heroku
6 12 (2.06%) Engine Yard
7 6 (1.03%) Cloud Computing
7 6 (1.03%) GitHub
8 4 (0.69%) Google Cloud Platform
9 3 (0.52%) IaaS
10 2 (0.34%) Amazon SQS
10 2 (0.34%) Google Apps
11 1 (0.17%) Joyent
11 1 (0.17%) Yammer
11 1 (0.17%) Microsoft Azure
Communications & Networking
1 99 (17.01%) Firewall
2 47 (8.08%) DNS
3 44 (7.56%) TCP/IP
4 40 (6.87%) WAN
5 39 (6.70%) LAN
6 37 (6.36%) VPN
7 35 (6.01%) VLAN
8 29 (4.98%) LDAP
9 28 (4.81%) SSL
10 27 (4.64%) Internet
11 26 (4.47%) Network Security
12 24 (4.12%) SAN
13 18 (3.09%) HTTP
14 16 (2.75%) DHCP
15 14 (2.41%) IPv6
16 13 (2.23%) iSCSI
16 13 (2.23%) VoIP
16 13 (2.23%) BGP
16 13 (2.23%) IPsec
17 12 (2.06%) OSPF
Database & Business Intelligence
1 200 (34.36%) MySQL
2 82 (14.09%) MongoDB
3 76 (13.06%) NoSQL
4 72 (12.37%) PostgreSQL
5 55 (9.45%) Apache Cassandra
6 33 (5.67%) SQL Server
7 28 (4.81%) Hadoop
7 28 (4.81%) Relational Database
8 24 (4.12%) Big Data
9 20 (3.44%) Redis
10 18 (3.09%) CouchDB
11 17 (2.92%) Riak
12 16 (2.75%) RDBMS
13 15 (2.58%) MariaDB
14 13 (2.23%) SQL Server 2012
15 10 (1.72%) Amazon RDS
16 6 (1.03%) Pentaho
17 5 (0.86%) Couchbase
18 4 (0.69%) Oracle Reports
19 3 (0.52%) SQL Server 2008
Development Applications
1 213 (36.60%) Jenkins
2 200 (34.36%) Git (software)
3 111 (19.07%) Maven
4 71 (12.20%) PHPUnit
5 62 (10.65%) Subversion
6 54 (9.28%) Hudson
7 22 (3.78%) JIRA
8 15 (2.58%) Artifactory
9 12 (2.06%) JMeter
9 12 (2.06%) JUnit
9 12 (2.06%) Cucumber
9 12 (2.06%) Selenium
10 10 (1.72%) Atlassian Bamboo
10 10 (1.72%) RSpec
11 8 (1.37%) Gerrit
12 7 (1.20%) Gradle
12 7 (1.20%) Mercurial
13 5 (0.86%) QUnit
14 4 (0.69%) Behat
14 4 (0.69%) Grunt
General
1 53 (9.11%) Finance
2 8 (1.37%) Games
2 8 (1.37%) Marketing
3 7 (1.20%) Telecoms
3 7 (1.20%) Manufacturing
4 6 (1.03%) Publishing
4 6 (1.03%) Electronics
5 4 (0.69%) Banking
5 4 (0.69%) Retail
6 2 (0.34%) Legal
7 1 (0.17%) French Language
7 1 (0.17%) German Language
7 1 (0.17%) Billing
Job Titles
1 167 (28.69%) DevOps Engineer
2 116 (19.93%) Developer
3 64 (11.00%) Senior DevOps Engineer
4 63 (10.82%) PHP Developer
5 61 (10.48%) Linux DevOps Engineer
5 61 (10.48%) Administrator
6 44 (7.56%) Systems Administrator
6 44 (7.56%) Linux Administrator
7 33 (5.67%) PHP Zend Developer
8 27 (4.64%) Linux Systems Administrator
9 24 (4.12%) Software Engineer
10 23 (3.95%) Architect
10 23 (3.95%) Senior Developer
10 23 (3.95%) Infrastructure Engineer
11 22 (3.78%) Linux Engineer
11 22 (3.78%) Analyst
12 18 (3.09%) Support Analyst
12 18 (3.09%) Support Engineer
13 17 (2.92%) Java Developer
14 16 (2.75%) 2nd Line Support
Libraries, Frameworks & Software Standards
1 96 (16.49%) Web Services
2 95 (16.32%) jQuery
3 93 (15.98%) HTML
4 91 (15.64%) LAMP
5 82 (14.09%) HTML5
6 66 (11.34%) Zend Framework
7 65 (11.17%) Doctrine
8 36 (6.19%) MCollective
9 35 (6.01%) CSS
10 19 (3.26%) JSON
11 18 (3.09%) REST
12 16 (2.75%) RESTful
13 14 (2.41%) Spring
14 13 (2.23%) Hibernate
15 12 (2.06%) XML
15 12 (2.06%) J2EE
15 12 (2.06%) JPA
16 11 (1.89%) .NET
17 10 (1.72%) SOAP
17 10 (1.72%) RabbitMQ
Miscellaneous
1 93 (15.98%) Open Source
2 47 (8.08%) Clustering
3 23 (3.95%) Computer Science
4 16 (2.75%) Device Driver
5 15 (2.58%) Wiki
6 14 (2.41%) PKI
7 13 (2.23%) Analytical Skills
8 12 (2.06%) Replication
9 8 (1.37%) NHS
10 7 (1.20%) Data Structures
11 6 (1.03%) DTV
12 5 (0.86%) Online Games
12 5 (0.86%) Smartcard
13 4 (0.69%) W3C
13 4 (0.69%) Algorithms
13 4 (0.69%) Digital Media
13 4 (0.69%) Enterprise Software
14 3 (0.52%) Mobile App
14 3 (0.52%) User Experience
14 3 (0.52%) Interactive TV
Operating Systems
1 528 (90.72%) Linux
2 188 (32.30%) Ubuntu
3 186 (31.96%) Red Hat Enterprise Linux
4 111 (19.07%) Windows
5 58 (9.97%) UNIX
6 48 (8.25%) Debian
7 34 (5.84%) Windows Server 2008
7 34 (5.84%) Windows Server 2003
8 18 (3.09%) Windows Server 2012
9 14 (2.41%) Fedora
10 12 (2.06%) Solaris
11 10 (1.72%) VMS
11 10 (1.72%) Windows XP
12 9 (1.55%) Mac OS X
13 7 (1.20%) SUSE
14 6 (1.03%) Windows 7
15 4 (0.69%) SUSE Linux Enterprise Server
16 3 (0.52%) Windows 8
16 3 (0.52%) AIX
17 2 (0.34%) Oracle Linux
Processes & Methodologies
1 278 (47.77%) DevOps
2 239 (41.07%) Agile Software Development
3 238 (40.89%) Continuous Integration
4 128 (21.99%) Configuration Management
5 92 (15.81%) Scrum
6 82 (14.09%) Load Balancing
7 71 (12.20%) Automated Testing
8 56 (9.62%) Software Engineering
9 52 (8.93%) Build Automation
10 41 (7.04%) Mentoring
11 38 (6.53%) Kanban
12 37 (6.36%) Refactoring
13 35 (6.01%) ITIL
13 35 (6.01%) Workflow
14 32 (5.50%) Service Delivery
14 32 (5.50%) Change Management
15 28 (4.81%) Capacity Planning
15 28 (4.81%) TDD
16 26 (4.47%) Service Management
17 20 (3.44%) BDD
Programming Languages
1 202 (34.71%) PHP
2 185 (31.79%) Bash Shell
3 183 (31.44%) Ruby
4 172 (29.55%) Python
5 167 (28.69%) Java
6 119 (20.45%) Perl
7 110 (18.90%) JavaScript
8 60 (10.31%) SQL
9 38 (6.53%) Shell Script
10 17 (2.92%) Korn
11 11 (1.89%) PowerShell
12 10 (1.72%) Scala
13 9 (1.55%) PHP5
14 7 (1.20%) C++
15 6 (1.03%) C
15 6 (1.03%) Groovy
16 5 (0.86%) Golang
16 5 (0.86%) C#
17 3 (0.52%) sed
17 3 (0.52%) T-SQL
Qualifications
1 115 (19.76%) Security Cleared
2 86 (14.78%) SC Cleared
3 35 (6.01%) Cisco Certification
4 34 (5.84%) CCNA
5 12 (2.06%) DV Cleared
5 12 (2.06%) Degree
6 9 (1.55%) RHCT
7 3 (0.52%) BC Cleared
7 3 (0.52%) CTC Cleared
8 2 (0.34%) PhD
9 1 (0.17%) LPIC
9 1 (0.17%) MCITP
9 1 (0.17%) MCSE
9 1 (0.17%) CCNP
9 1 (0.17%) Microsoft Certification
9 1 (0.17%) RHCE
Quality Assurance & Compliance
1 43 (7.39%) QA
2 10 (1.72%) SLA
3 9 (1.55%) PCI DSS
4 4 (0.69%) Sarbanes-Oxley
4 4 (0.69%) HIPAA
5 1 (0.17%) ISO/IEC 27001
System Software
1 78 (13.40%) VMware Infrastructure
2 47 (8.08%) vCloud
3 29 (4.98%) XenServer
4 26 (4.47%) Samba
5 25 (4.30%) Active Directory
6 16 (2.75%) vSphere
6 16 (2.75%) Hyper-V
7 15 (2.58%) Postfix
8 13 (2.23%) NFS
9 12 (2.06%) Firmware
10 11 (1.89%) Varnish
11 10 (1.72%) XenApp
11 10 (1.72%) Docker
12 9 (1.55%) Xen
12 9 (1.55%) XenDesktop
13 8 (1.37%) VMware ESXi
14 7 (1.20%) VMware ESX
15 4 (0.69%) Terminal Services
16 3 (0.52%) KVM
16 3 (0.52%) VMware Server
Systems Management
1 306 (52.58%) Puppet
2 180 (30.93%) Opscode Chef
3 110 (18.90%) Nagios
4 76 (13.06%) ZABBIX
5 62 (10.65%) Ansible
6 46 (7.90%) Salt
7 41 (7.04%) Vagrant
8 39 (6.70%) Cacti
9 28 (4.81%) Cobbler
10 23 (3.95%) Kibana
11 20 (3.44%) Zenoss
12 19 (3.26%) Graphite
13 18 (3.09%) FortiGate
14 16 (2.75%) Graylog2
15 13 (2.23%) logstash
16 12 (2.06%) Red Hat Spacewalk
17 11 (1.89%) yum
18 10 (1.72%) collectd
19 9 (1.55%) HAProxy
20 8 (1.37%) SELinux
Vendors
1 276 (47.42%) Red Hat
2 161 (27.66%) VMware
3 70 (12.03%) Zend
4 51 (8.76%) Microsoft
4 51 (8.76%) Splunk
5 41 (7.04%) Cisco
6 36 (6.19%) Citrix
7 33 (5.67%) Oracle
8 24 (4.12%) Perforce
9 23 (3.95%) Rackspace
9 23 (3.95%) Percona
10 15 (2.58%) RightScale
11 13 (2.23%) EMC
12 11 (1.89%) HP
13 10 (1.72%) IBM
13 10 (1.72%) Juniper
13 10 (1.72%) New Relic
14 9 (1.55%) AppDynamics
15 8 (1.37%) NetApp
15 8 (1.37%) Google
London
TEKsystems
Rate: £450 - £525 per day
Posted: 2 days ago
City, London
Oscar Associates (UK) Ltd
Rate: £250 - £350 per day
Posted: 2 days ago
Bristol
Kainos
Posted: 3 days ago
Winchester, Hampshire
Connectus
Rate: £400 - £450 per day
Posted: 3 days ago
Portsmouth
Spectrum IT
Rate: £250 - £330 per day
Posted: 4 days ago
London
Spargonet Consulting Plc
Rate: £400 - £500 per day
Posted: 4 days ago
London
Spargonet Consulting Plc
Rate: £400 - £500 per day
Posted: 4 days ago
London
TRG
Rate: 350-420 Per Day call for details
Posted: 9 days ago
Bristol
TRG
Rate: 350-420 Per Day call for details
Posted: 9 days ago