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 4 August 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
4 Aug 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 369 347 411
Rank change year-on-year
-22 +64
Contract jobs citing CentOS 234 239 145
As % of all contract IT jobs located in England 0.45% 0.48% 0.31%
As % of the Operating Systems category 2.11% 2.12% 1.39%
Number of daily rates quoted 136 178 95
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£400 £375 £368
Average daily rate % change year-on-year
+6.66% +2.04%
90% offered a daily rate of more than £300 £182 £213
10% offered a daily rate of more than £525 £500 £450
UK excluding London average daily rate £340 £350 £363
% change year-on-year
-2.85% -3.44%
Number of hourly rates quoted 0 4 5
Average hourly rate - £16.75 £42.50
Average hourly rate % change year-on-year
- -60.58%
UK excluding London average hourly rate - £16.75 £36.00
% change year-on-year
- -53.47%
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
11100 11268 10446
As % of all contract IT jobs located in England 21.49% 22.83% 22.41%
Number of daily rates quoted 6668 6499 5844
Average daily rate £375 £350 £350
Average daily rate % change year-on-year
+7.14% -
90% offered a daily rate of more than £175 £165 £180
10% offered a daily rate of more than £530 £518 £515
UK excluding London average daily rate £350 £313 £325
% change year-on-year
+12.00% -3.84%
Number of hourly rates quoted 868 958 965
Average hourly rate £17.00 £15.00 £17.00
Average hourly rate % change year-on-year
+13.33% -11.76%
90% offered a hourly rate of more than £11.17 £11.00 £11.00
10% offered a hourly rate of more than £40.00 £28.50 £37.50
UK excluding London average hourly rate £16.50 £15.00 £16.20
% change year-on-year
+10.00% -7.40%

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 4 August 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 4 August 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 +32 124 £425 +6.25% 51
Yorkshire -24 41 £300 +62.16% 10
South East -31 22 £375 +2.73% 18
South West -49 17 £350 -6.66% 9
North West -19 15 £475 +52.00% 10
East of England -4 5 £190 - 8
East Midlands -11 5 £407 +103.50% 7
West Midlands - 3 £306 - 4
Midlands - 1 £475 -
North East - 1 £363 - 1
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 4 August 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.

1 394 (81.91%) Linux
2 225 (46.78%) Red Hat
3 202 (42.00%) Puppet
4 194 (40.33%) Ubuntu
5 183 (38.05%) DevOps
6 149 (30.98%) Jenkins
7 145 (30.15%) Python
8 143 (29.73%) VMware
9 138 (28.69%) Continuous Integration
10 135 (28.07%) MySQL
11 134 (27.86%) Agile Software Development
12 132 (27.44%) Red Hat Enterprise Linux
12 132 (27.44%) Git (software)
13 123 (25.57%) Apache
14 121 (25.16%) Opscode Chef
15 120 (24.95%) Bash Shell
16 119 (24.74%) Windows
16 119 (24.74%) Java
17 104 (21.62%) PHP
17 104 (21.62%) Security Cleared
18 103 (21.41%) Amazon AWS
19 98 (20.37%) MongoDB
20 87 (18.09%) Firewall
21 82 (17.05%) Splunk
22 81 (16.84%) Perl
23 77 (16.01%) Tomcat
24 76 (15.80%) SC Cleared
25 74 (15.38%) UNIX
26 73 (15.18%) Web Services
26 73 (15.18%) Ruby

CentOS
Top Related IT Skills in England by Category

For the 6 months to 4 August 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
1 123 (25.57%) Apache
2 77 (16.01%) Tomcat
3 59 (12.27%) nginx
3 59 (12.27%) Confluence
4 52 (10.81%) Node.js
5 37 (7.69%) JBoss
6 23 (4.78%) IIS
7 21 (4.37%) Mule ESB
8 18 (3.74%) OpenStack
9 13 (2.70%) Elasticsearch
9 13 (2.70%) WildFly
10 12 (2.49%) Jetty
10 12 (2.49%) Alfresco
11 11 (2.29%) CMS
11 11 (2.29%) Drupal
12 10 (2.08%) WebLogic
13 8 (1.66%) Mule
13 8 (1.66%) WordPress
13 8 (1.66%) MediaWiki
14 7 (1.46%) Apache Qpid
Applications
1 10 (2.08%) MS Office
2 4 (0.83%) MS Excel
3 2 (0.42%) PowerPivot
4 1 (0.21%) Photoshop
4 1 (0.21%) MS Visio
Business Applications
1 7 (1.46%) Oracle BPM
2 6 (1.25%) Magento
3 2 (0.42%) SAP Business One
3 2 (0.42%) SAP Oil and Gas
4 1 (0.21%) ResourceLink
4 1 (0.21%) Oracle EBS
4 1 (0.21%) Oracle Applications
4 1 (0.21%) Hyperion Enterprise
4 1 (0.21%) AWD
Cloud Services
1 103 (21.41%) Amazon AWS
2 32 (6.65%) Amazon EC2
2 32 (6.65%) Amazon S3
2 32 (6.65%) Amazon ELB
3 20 (4.16%) Route 53
4 18 (3.74%) Google Cloud Platform
5 10 (2.08%) PaaS
6 9 (1.87%) Amazon SQS
6 9 (1.87%) SaaS
7 8 (1.66%) OpenShift
8 7 (1.46%) IaaS
9 6 (1.25%) Microsoft Azure
10 5 (1.04%) AWS CloudFormation
11 4 (0.83%) Cloud Computing
11 4 (0.83%) Rackspace Cloud
11 4 (0.83%) Heroku
11 4 (0.83%) Amazon CloudSearch
12 3 (0.62%) Engine Yard
13 2 (0.42%) GitHub
13 2 (0.42%) Virtual Private Cloud
Communications & Networking
1 87 (18.09%) Firewall
2 47 (9.77%) SAN
3 46 (9.56%) LDAP
4 45 (9.36%) DNS
5 31 (6.44%) VPN
6 27 (5.61%) LAN
7 23 (4.78%) iSCSI
8 20 (4.16%) SSL
9 18 (3.74%) TCP/IP
9 18 (3.74%) WAN
10 14 (2.91%) HTTP
10 14 (2.91%) Reverse Proxy
10 14 (2.91%) Network Security
11 12 (2.49%) DMZ
12 11 (2.29%) OpenLDAP
13 10 (2.08%) BIG-IP
14 9 (1.87%) VLAN
14 9 (1.87%) IPsec
14 9 (1.87%) DHCP
14 9 (1.87%) NAS
Database & Business Intelligence
1 135 (28.07%) MySQL
2 98 (20.37%) MongoDB
3 61 (12.68%) PostgreSQL
4 53 (11.02%) Redis
5 50 (10.40%) NoSQL
6 47 (9.77%) Hadoop
7 30 (6.24%) CouchDB
8 27 (5.61%) HBase
9 21 (4.37%) SQL Server
10 14 (2.91%) Relational Database
11 13 (2.70%) Apache Cassandra
12 9 (1.87%) Riak
13 8 (1.66%) RDBMS
14 7 (1.46%) InterSystems Cache
14 7 (1.46%) Infinispan
15 6 (1.25%) Amazon RDS
15 6 (1.25%) SQL Server 2012
16 5 (1.04%) Big Data
16 5 (1.04%) MariaDB
17 4 (0.83%) Amazon DynamoDB
Development Applications
1 149 (30.98%) Jenkins
2 132 (27.44%) Git (software)
3 68 (14.14%) JIRA
4 47 (9.77%) Maven
5 46 (9.56%) Subversion
6 38 (7.90%) Hudson
7 34 (7.07%) Artifactory
8 29 (6.03%) Selenium
9 28 (5.82%) Cucumber
10 27 (5.61%) SonarQube
11 26 (5.41%) Gerrit
12 25 (5.20%) IntelliJ
12 25 (5.20%) Spock
12 25 (5.20%) Geb
13 23 (4.78%) JMeter
14 22 (4.57%) Gradle
15 16 (3.33%) Mercurial
16 15 (3.12%) Atlassian Bamboo
17 12 (2.49%) PHPUnit
17 12 (2.49%) Mocha
General
1 20 (4.16%) Finance
2 15 (3.12%) Telecoms
3 6 (1.25%) Games
4 4 (0.83%) Electronics
5 3 (0.62%) Advertising
5 3 (0.62%) Marketing
6 2 (0.42%) Manufacturing
6 2 (0.42%) Military
7 1 (0.21%) Retail
7 1 (0.21%) Billing
7 1 (0.21%) Financial Institution
7 1 (0.21%) Aerospace
Job Titles
1 124 (25.78%) DevOps Engineer
2 73 (15.18%) Developer
3 68 (14.14%) Administrator
4 61 (12.68%) Systems Administrator
5 52 (10.81%) Linux Administrator
6 49 (10.19%) Linux Engineer
7 40 (8.32%) Linux Systems Administrator
8 31 (6.44%) Java Developer
9 25 (5.20%) Linux DevOps Engineer
10 19 (3.95%) Architect
11 17 (3.53%) Technical Support
12 16 (3.33%) PHP Developer
13 15 (3.12%) Systems Engineer
14 14 (2.91%) Consultant
15 13 (2.70%) 2nd Line Support
16 11 (2.29%) Support Engineer
16 11 (2.29%) Software Engineer
17 10 (2.08%) Analyst
17 10 (2.08%) Infrastructure Engineer
18 9 (1.87%) Linux Support
Libraries, Frameworks & Software Standards
1 73 (15.18%) Web Services
2 61 (12.68%) RabbitMQ
3 53 (11.02%) LAMP
4 47 (9.77%) HTML
5 41 (8.52%) Spring
6 38 (7.90%) RESTful
7 35 (7.28%) jQuery
7 35 (7.28%) CSS
8 34 (7.07%) Apache Camel
9 33 (6.86%) JAX-RS
9 33 (6.86%) HTML5
10 27 (5.61%) XML
11 26 (5.41%) JSON
12 25 (5.20%) Grails
12 25 (5.20%) J2EE
12 25 (5.20%) Spring Boot
13 24 (4.99%) Kafka
14 19 (3.95%) CSS3
15 18 (3.74%) Memcached
15 18 (3.74%) Twitter Bootstrap
Miscellaneous
1 38 (7.90%) Data Centre
2 23 (4.78%) Clustering
3 18 (3.74%) NHS
4 14 (2.91%) Analytical Skills
5 13 (2.70%) User Experience
6 12 (2.49%) Smartcard
7 11 (2.29%) Wiki
8 10 (2.08%) Private Cloud
8 10 (2.08%) Enterprise Software
9 8 (1.66%) W3C
9 8 (1.66%) Management Information System
10 7 (1.46%) PKI
10 7 (1.46%) Enterprise Storage
11 6 (1.25%) Fat Client
11 6 (1.25%) Client/Server
11 6 (1.25%) Thin Client
12 5 (1.04%) Computer Science
12 5 (1.04%) EqualLogic
13 4 (0.83%) Online Games
13 4 (0.83%) Hybrid Cloud
Operating Systems
1 394 (81.91%) Linux
2 194 (40.33%) Ubuntu
3 132 (27.44%) Red Hat Enterprise Linux
4 119 (24.74%) Windows
5 74 (15.38%) UNIX
6 42 (8.73%) Debian
7 32 (6.65%) Windows Server 2003
8 28 (5.82%) Windows Server 2008
9 27 (5.61%) Fedora
9 27 (5.61%) Windows Server 2012
10 16 (3.33%) Solaris
11 13 (2.70%) Windows 7
12 9 (1.87%) Windows 8
13 8 (1.66%) HPUX
14 7 (1.46%) SUSE
15 5 (1.04%) Windows XP
16 3 (0.62%) VMS
16 3 (0.62%) Android
16 3 (0.62%) Oracle Linux
16 3 (0.62%) Mac OS
Processes & Methodologies
1 183 (38.05%) DevOps
2 138 (28.69%) Continuous Integration
3 134 (27.86%) Agile Software Development
4 72 (14.97%) Configuration Management
5 58 (12.06%) ITIL
5 58 (12.06%) TDD
6 54 (11.23%) Microservices
7 53 (11.02%) Service Management
8 51 (10.60%) Open Source
9 44 (9.15%) Workflow
10 40 (8.32%) Continuous Delivery
11 38 (7.90%) Scrum
12 27 (5.61%) BDD
13 26 (5.41%) Load Balancing
14 24 (4.99%) Software Engineering
15 23 (4.78%) Mentoring
15 23 (4.78%) Performance Tuning
16 22 (4.57%) Data Management
17 21 (4.37%) E-Commerce
18 20 (4.16%) Incident Management
Programming Languages
1 145 (30.15%) Python
2 120 (24.95%) Bash Shell
3 119 (24.74%) Java
4 104 (21.62%) PHP
5 81 (16.84%) Perl
6 73 (15.18%) Ruby
7 67 (13.93%) JavaScript
8 63 (13.10%) SQL
9 42 (8.73%) Shell Script
10 28 (5.82%) Groovy
11 10 (2.08%) Scala
12 8 (1.66%) C++
13 6 (1.25%) C#
14 5 (1.04%) PowerShell
15 4 (0.83%) Korn
15 4 (0.83%) Go
16 3 (0.62%) C
17 1 (0.21%) PL/SQL
17 1 (0.21%) PHP5
Qualifications
1 104 (21.62%) Security Cleared
2 76 (15.80%) SC Cleared
3 27 (5.61%) RHCE
4 20 (4.16%) Cisco Certification
5 17 (3.53%) DV Cleared
6 12 (2.49%) CCNA
6 12 (2.49%) Degree
7 11 (2.29%) CCNP
8 4 (0.83%) Microsoft Certification
9 3 (0.62%) MCSE
9 3 (0.62%) JNCIA
9 3 (0.62%) JNCIS
10 2 (0.42%) CTC Cleared
11 1 (0.21%) BC Cleared
11 1 (0.21%) MCDST
11 1 (0.21%) MCTS
11 1 (0.21%) ISTQB
11 1 (0.21%) ISEB
11 1 (0.21%) VMware Certified Professional (VCP)
11 1 (0.21%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 37 (7.69%) QA
2 5 (1.04%) WAI
3 4 (0.83%) SLA
4 3 (0.62%) ISO/IEC 27001
4 3 (0.62%) ISO 9001
5 1 (0.21%) PCI DSS
System Software
1 67 (13.93%) VMware Infrastructure
1 67 (13.93%) Docker
2 58 (12.06%) Active Directory
3 36 (7.48%) vCloud
4 23 (4.78%) iptables
5 21 (4.37%) Postfix
6 19 (3.95%) Hyper-V
7 15 (3.12%) vSphere
8 14 (2.91%) NFS
8 14 (2.91%) Samba
8 14 (2.91%) VMware Server
9 13 (2.70%) Varnish
9 13 (2.70%) VMware ESXi
10 11 (2.29%) Squid
11 8 (1.66%) VMware ESX
12 6 (1.25%) Terminal Services
12 6 (1.25%) VirtualBox
12 6 (1.25%) qmail
13 5 (1.04%) Xen
13 5 (1.04%) XenServer
Systems Management
1 202 (42.00%) Puppet
2 121 (25.16%) Opscode Chef
3 65 (13.51%) Salt
4 56 (11.64%) ZABBIX
5 55 (11.43%) Ansible
6 49 (10.19%) Vagrant
7 42 (8.73%) Graphite
8 41 (8.52%) Nagios
9 38 (7.90%) Rundeck
10 32 (6.65%) HAProxy
11 25 (5.20%) Kibana
11 25 (5.20%) logstash
12 12 (2.49%) Opsview
13 10 (2.08%) SELinux
14 9 (1.87%) OVSD
15 7 (1.46%) Cacti
15 7 (1.46%) Cobbler
16 6 (1.25%) cPanel
17 5 (1.04%) Red Hat Satellite
17 5 (1.04%) Red Hat Spacewalk
Vendors
1 225 (46.78%) Red Hat
2 143 (29.73%) VMware
3 82 (17.05%) Splunk
4 62 (12.89%) Cisco
5 41 (8.52%) Microsoft
6 32 (6.65%) Oracle
7 28 (5.82%) NetApp
8 27 (5.61%) HP
9 22 (4.57%) Google
10 16 (3.33%) Juniper
11 14 (2.91%) Dell
11 14 (2.91%) Zend
11 14 (2.91%) Citrix
11 14 (2.91%) F5
12 13 (2.70%) Rackspace
13 12 (2.49%) Twitter
14 11 (2.29%) Tealeaf
14 11 (2.29%) Riverbed
14 11 (2.29%) Atlassian
15 9 (1.87%) EMC
Newcastle Upon Tyne
Resource Partners Ltd
Posted: 2 days ago
Leeds
Resource Partners Ltd
Posted: 2 days ago
West Yorkshire
The Bridge Ltd
Rate: Unspecified Neg
Posted: 5 days ago
Leeds, West Yorkshire
The Bridge Ltd
Rate: £Negotiable per day
Posted: 6 days ago
Swindon
Computer Futures
Rate: £330 - £360 per day
Posted: 13 days ago
Sutton, Surrey
Reed Business Information Ltd
Rate: From £300 to £385 per day direct - no agency margin
Posted: 19 days ago
London
Energon Global
Rate: £500 - £600 per day
Posted: 20 days ago
Bournemouth
Austin Fraser Limited
Rate: £400 - £500 per day + Negotiable
Posted: 22 days ago
City of London
Hays IT - Uk Posting account
Rate: £320.00 - £360.00 per day
Posted: 27 days ago
London
Computer Futures
Rate: competitive
Posted: 27 days ago