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 7 July 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
7 Jul 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 372 349 428
Rank change year-on-year
-23 +79
Contract jobs citing CentOS 215 218 117
As % of all contract IT jobs located in England 0.43% 0.46% 0.26%
As % of the Operating Systems category 1.96% 1.95% 1.15%
Number of daily rates quoted 119 156 68
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£400 £375 £365
Average daily rate % change year-on-year
+6.66% +2.73%
90% offered a daily rate of more than £298 £180 £259
10% offered a daily rate of more than £526 £500 £450
UK excluding London average daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 0 4 4
Average hourly rate - £16.75 £39.25
Average hourly rate % change year-on-year
- -57.32%
UK excluding London average hourly rate - £16.75 £33.00
% change year-on-year
- -49.24%
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
10988 11171 10168
As % of all contract IT jobs located in England 22.10% 23.33% 22.41%
Number of daily rates quoted 6543 6448 5640
Average daily rate £365 £350 £350
Average daily rate % change year-on-year
+4.28% -
90% offered a daily rate of more than £175 £170 £190
10% offered a daily rate of more than £538 £520 £505
UK excluding London average daily rate £350 £310 £325
% change year-on-year
+12.90% -4.61%
Number of hourly rates quoted 854 957 978
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 £11.00 £10.50 £11.00
10% offered a hourly rate of more than £40.00 £29.85 £37.50
UK excluding London average hourly rate £16.50 £15.00 £16.00
% change year-on-year
+10.00% -6.25%

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 7 July 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 7 July 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 +20 100 £450 +12.50% 47
Yorkshire -17 42 £300 +62.16% 7
South East -23 26 £375 +2.73% 26
North West -9 20 £475 +22.58% 8
South West -50 16 £350 -6.66% 17
East of England 0 5 - - 4
East Midlands -7 5 £407 - 2
West Midlands - 1 £250 - 2
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 7 July 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.

1 387 (83.05%) Linux
2 223 (47.85%) Red Hat
3 216 (46.35%) Puppet
4 202 (43.35%) DevOps
5 187 (40.13%) Ubuntu
6 166 (35.62%) Jenkins
7 156 (33.48%) Python
8 153 (32.83%) VMware
9 152 (32.62%) Git (software)
10 147 (31.55%) MySQL
11 145 (31.12%) Bash Shell
12 142 (30.47%) Continuous Integration
13 134 (28.76%) Agile Software Development
14 130 (27.90%) Red Hat Enterprise Linux
15 128 (27.47%) Opscode Chef
16 119 (25.54%) Windows
16 119 (25.54%) Apache
17 115 (24.68%) Java
18 113 (24.25%) PHP
19 111 (23.82%) Amazon AWS
20 104 (22.32%) MongoDB
21 98 (21.03%) Ruby
22 92 (19.74%) Perl
23 88 (18.88%) Firewall
24 84 (18.03%) Security Cleared
25 80 (17.17%) Web Services
26 77 (16.52%) VMware Infrastructure
27 76 (16.31%) Configuration Management
28 73 (15.67%) Splunk
29 70 (15.02%) PostgreSQL

CentOS
Top Related IT Skills in England by Category

For the 6 months to 7 July 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
1 119 (25.54%) Apache
2 69 (14.81%) Tomcat
3 57 (12.23%) nginx
4 47 (10.09%) Confluence
5 45 (9.66%) Node.js
6 34 (7.30%) JBoss
7 31 (6.65%) IIS
8 28 (6.01%) OpenStack
9 21 (4.51%) Mule ESB
10 15 (3.22%) MediaWiki
11 12 (2.58%) Elasticsearch
11 12 (2.58%) WildFly
12 11 (2.36%) Alfresco
12 11 (2.36%) SharePoint
13 10 (2.15%) CMS
13 10 (2.15%) Drupal
14 8 (1.72%) WordPress
15 7 (1.50%) Mule
15 7 (1.50%) WebLogic
16 6 (1.29%) Jetty
Applications
1 11 (2.36%) MS Office
2 9 (1.93%) MS Excel
3 2 (0.43%) PowerPivot
4 1 (0.21%) Photoshop
4 1 (0.21%) MS Visio
Business Applications
1 6 (1.29%) Magento
2 4 (0.86%) Oracle BPM
3 3 (0.64%) SAP Oil and Gas
4 2 (0.43%) SAP Business One
5 1 (0.21%) AWD
5 1 (0.21%) ResourceLink
5 1 (0.21%) Oracle EBS
5 1 (0.21%) Oracle Applications
5 1 (0.21%) Hyperion Enterprise
Cloud Services
1 111 (23.82%) Amazon AWS
2 34 (7.30%) Amazon S3
3 33 (7.08%) Amazon EC2
4 29 (6.22%) Amazon ELB
5 20 (4.29%) Route 53
6 19 (4.08%) PaaS
7 17 (3.65%) Google Cloud Platform
8 9 (1.93%) SaaS
8 9 (1.93%) IaaS
9 7 (1.50%) Amazon SQS
10 6 (1.29%) Heroku
10 6 (1.29%) Microsoft Azure
11 5 (1.07%) Engine Yard
11 5 (1.07%) OpenShift
12 4 (0.86%) GitHub
12 4 (0.86%) Cloud Computing
12 4 (0.86%) Amazon CloudSearch
13 3 (0.64%) AWS CloudFormation
14 2 (0.43%) Virtual Private Cloud
14 2 (0.43%) Rackspace Cloud
Communications & Networking
1 88 (18.88%) Firewall
2 50 (10.73%) LDAP
3 41 (8.80%) DNS
3 41 (8.80%) SAN
4 39 (8.37%) VPN
5 28 (6.01%) LAN
6 24 (5.15%) TCP/IP
6 24 (5.15%) iSCSI
7 22 (4.72%) SSL
8 20 (4.29%) Network Security
9 19 (4.08%) WAN
10 15 (3.22%) HTTP
10 15 (3.22%) Reverse Proxy
11 14 (3.00%) VLAN
12 12 (2.58%) BIG-IP
13 11 (2.36%) IPsec
13 11 (2.36%) DMZ
13 11 (2.36%) Internet
13 11 (2.36%) OSPF
13 11 (2.36%) BGP
Database & Business Intelligence
1 147 (31.55%) MySQL
2 104 (22.32%) MongoDB
3 70 (15.02%) PostgreSQL
4 62 (13.30%) NoSQL
5 49 (10.52%) Redis
6 34 (7.30%) Hadoop
7 31 (6.65%) SQL Server
8 26 (5.58%) CouchDB
9 23 (4.94%) Apache Cassandra
10 20 (4.29%) Relational Database
11 12 (2.58%) HBase
11 12 (2.58%) RDBMS
12 11 (2.36%) SQL Server 2012
13 8 (1.72%) Riak
14 6 (1.29%) Big Data
15 5 (1.07%) Amazon RDS
16 4 (0.86%) Infinispan
16 4 (0.86%) MarkLogic
16 4 (0.86%) MariaDB
16 4 (0.86%) SQL Server Integration Services
Development Applications
1 166 (35.62%) Jenkins
2 152 (32.62%) Git (software)
3 57 (12.23%) Maven
4 54 (11.59%) JIRA
5 52 (11.16%) Subversion
6 45 (9.66%) Hudson
7 32 (6.87%) Artifactory
8 27 (5.79%) SonarQube
9 24 (5.15%) Gerrit
10 19 (4.08%) Gradle
10 19 (4.08%) Selenium
10 19 (4.08%) JMeter
11 15 (3.22%) Mercurial
11 15 (3.22%) PHPUnit
12 12 (2.58%) Cucumber
13 11 (2.36%) Atlassian Bamboo
14 10 (2.15%) IntelliJ
14 10 (2.15%) Spock
14 10 (2.15%) Geb
15 7 (1.50%) JUnit
General
1 18 (3.86%) Finance
2 16 (3.43%) Telecoms
3 6 (1.29%) Games
4 5 (1.07%) Electronics
5 4 (0.86%) Marketing
6 3 (0.64%) Manufacturing
6 3 (0.64%) Advertising
7 2 (0.43%) Military
8 1 (0.21%) Retail
8 1 (0.21%) Billing
8 1 (0.21%) Back Office
8 1 (0.21%) Aerospace
Job Titles
1 139 (29.83%) DevOps Engineer
2 64 (13.73%) Administrator
3 54 (11.59%) Developer
3 54 (11.59%) Systems Administrator
4 47 (10.09%) Linux Administrator
5 45 (9.66%) Linux Engineer
6 36 (7.73%) Linux Systems Administrator
7 31 (6.65%) Linux DevOps Engineer
8 25 (5.36%) Senior DevOps Engineer
9 19 (4.08%) Architect
10 18 (3.86%) PHP Developer
11 17 (3.65%) Infrastructure Engineer
12 14 (3.00%) Technical Support
13 13 (2.79%) Support Engineer
13 13 (2.79%) 2nd Line Support
13 13 (2.79%) Consultant
13 13 (2.79%) Systems Engineer
13 13 (2.79%) Java Developer
14 12 (2.58%) Software Engineer
15 9 (1.93%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 80 (17.17%) Web Services
2 54 (11.59%) RabbitMQ
3 53 (11.37%) LAMP
4 42 (9.01%) HTML
5 35 (7.51%) jQuery
6 32 (6.87%) CSS
7 31 (6.65%) HTML5
8 28 (6.01%) RESTful
8 28 (6.01%) XML
9 25 (5.36%) Spring
10 24 (5.15%) JSON
11 22 (4.72%) J2EE
12 20 (4.29%) Kafka
13 18 (3.86%) MCollective
14 16 (3.43%) CSS3
15 15 (3.22%) Apache Camel
15 15 (3.22%) Twitter Bootstrap
15 15 (3.22%) Doctrine
16 14 (3.00%) JAX-RS
16 14 (3.00%) Memcached
Miscellaneous
1 47 (10.09%) Data Centre
2 35 (7.51%) Clustering
3 17 (3.65%) Wiki
4 15 (3.22%) NHS
5 14 (3.00%) Analytical Skills
6 13 (2.79%) User Experience
7 12 (2.58%) Private Cloud
7 12 (2.58%) Smartcard
8 10 (2.15%) Hybrid Cloud
9 9 (1.93%) Management Information System
9 9 (1.93%) Device Driver
9 9 (1.93%) Enterprise Software
10 7 (1.50%) PKI
11 6 (1.29%) Fat Client
11 6 (1.29%) Computer Science
11 6 (1.29%) Client/Server
11 6 (1.29%) Thin Client
12 5 (1.07%) W3C
12 5 (1.07%) EqualLogic
13 4 (0.86%) Online Games
Operating Systems
1 387 (83.05%) Linux
2 187 (40.13%) Ubuntu
3 130 (27.90%) Red Hat Enterprise Linux
4 119 (25.54%) Windows
5 67 (14.38%) UNIX
6 44 (9.44%) Debian
7 41 (8.80%) Windows Server 2003
8 36 (7.73%) Windows Server 2008
9 29 (6.22%) Fedora
10 27 (5.79%) Windows Server 2012
11 14 (3.00%) Windows 7
12 13 (2.79%) Solaris
13 8 (1.72%) SUSE
13 8 (1.72%) Windows 8
14 7 (1.50%) HPUX
15 6 (1.29%) Oracle Linux
16 5 (1.07%) Windows XP
17 3 (0.64%) VMS
17 3 (0.64%) Windows 2000
17 3 (0.64%) Android
Processes & Methodologies
1 202 (43.35%) DevOps
2 142 (30.47%) Continuous Integration
3 134 (28.76%) Agile Software Development
4 76 (16.31%) Configuration Management
5 58 (12.45%) ITIL
6 52 (11.16%) Open Source
7 51 (10.94%) Scrum
8 49 (10.52%) Service Management
9 42 (9.01%) TDD
10 41 (8.80%) Workflow
11 40 (8.58%) Load Balancing
12 31 (6.65%) Microservices
13 29 (6.22%) Continuous Delivery
14 24 (5.15%) Mentoring
15 23 (4.94%) Build Automation
15 23 (4.94%) Performance Tuning
16 22 (4.72%) BDD
17 21 (4.51%) OWASP
17 21 (4.51%) Data Management
18 20 (4.29%) Disaster Recovery
Programming Languages
1 156 (33.48%) Python
2 145 (31.12%) Bash Shell
3 115 (24.68%) Java
4 113 (24.25%) PHP
5 98 (21.03%) Ruby
6 92 (19.74%) Perl
7 62 (13.30%) JavaScript
8 61 (13.09%) SQL
9 43 (9.23%) Shell Script
10 14 (3.00%) Groovy
11 10 (2.15%) Scala
12 9 (1.93%) Korn
13 6 (1.29%) PowerShell
13 6 (1.29%) C#
14 5 (1.07%) C++
15 4 (0.86%) Go
16 3 (0.64%) C
16 3 (0.64%) PHP5
17 1 (0.21%) PL/SQL
17 1 (0.21%) sed
Qualifications
1 84 (18.03%) Security Cleared
2 59 (12.66%) SC Cleared
3 20 (4.29%) Cisco Certification
4 17 (3.65%) CCNA
4 17 (3.65%) RHCE
4 17 (3.65%) DV Cleared
5 12 (2.58%) Degree
6 6 (1.29%) CCNP
7 3 (0.64%) MCSE
7 3 (0.64%) JNCIA
7 3 (0.64%) JNCIS
7 3 (0.64%) Microsoft Certification
8 2 (0.43%) CTC Cleared
9 1 (0.21%) ISTQB Foundation Certification
9 1 (0.21%) RHCSA
9 1 (0.21%) BC Cleared
9 1 (0.21%) ISTQB
9 1 (0.21%) ISEB
Quality Assurance & Compliance
1 38 (8.15%) QA
2 7 (1.50%) SLA
3 5 (1.07%) WAI
4 2 (0.43%) ISO 9001
4 2 (0.43%) ISO/IEC 27001
5 1 (0.21%) PCI DSS
System Software
1 77 (16.52%) VMware Infrastructure
2 62 (13.30%) Active Directory
3 61 (13.09%) Docker
4 39 (8.37%) vCloud
5 28 (6.01%) iptables
6 27 (5.79%) Postfix
7 21 (4.51%) Hyper-V
8 20 (4.29%) Samba
9 17 (3.65%) vSphere
10 15 (3.22%) NFS
11 13 (2.79%) VMware ESXi
12 12 (2.58%) XenServer
13 11 (2.36%) VMware Server
14 7 (1.50%) Terminal Services
14 7 (1.50%) Varnish
15 6 (1.29%) VMware ESX
16 5 (1.07%) Squid
16 5 (1.07%) qmail
17 4 (0.86%) Xen
17 4 (0.86%) Firmware
Systems Management
1 216 (46.35%) Puppet
2 128 (27.47%) Opscode Chef
3 66 (14.16%) ZABBIX
4 63 (13.52%) Ansible
5 62 (13.30%) Salt
6 49 (10.52%) Nagios
7 45 (9.66%) Vagrant
8 38 (8.15%) Graphite
9 37 (7.94%) Rundeck
10 29 (6.22%) HAProxy
11 27 (5.79%) Kibana
12 24 (5.15%) logstash
13 14 (3.00%) Cobbler
14 11 (2.36%) Opsview
15 10 (2.15%) SELinux
15 10 (2.15%) OVSD
15 10 (2.15%) Cacti
16 5 (1.07%) cPanel
17 4 (0.86%) Munin
17 4 (0.86%) Zenoss
Vendors
1 223 (47.85%) Red Hat
2 153 (32.83%) VMware
3 73 (15.67%) Splunk
4 57 (12.23%) Cisco
5 46 (9.87%) Microsoft
6 39 (8.37%) Oracle
7 29 (6.22%) NetApp
8 26 (5.58%) HP
9 21 (4.51%) Citrix
9 21 (4.51%) Google
10 16 (3.43%) Zend
11 13 (2.79%) Dell
11 13 (2.79%) Rackspace
12 12 (2.58%) F5
13 10 (2.15%) Tealeaf
13 10 (2.15%) Riverbed
14 9 (1.93%) Perforce
14 9 (1.93%) EMC
15 8 (1.72%) Atlassian
16 7 (1.50%) Twitter
London
Universe Technology Recruitment Ltd
Posted: 19 hours ago
Sutton, Surrey
TDA Recruitment Ltd
Posted: Yesterday
City, London
Hays Finance Technology
Rate: £400.00 per annum
Posted: 4 days ago
London
E-synergy Solutions
Rate: £400 - £450 per day
Posted: 4 days ago
London
Initi8 Recruitment
Rate: £350 - £400 Per Day
Posted: 4 days ago
City, London
Oscar Associates (UK) Ltd
Rate: £350 - £400 per day
Posted: 4 days ago
London
Real Staffing
Rate: £400 - £410 per day + competitive
Posted: 6 days ago
Bristol
Computer Futures
Rate: £450 - £550 per day + competitive
Posted: 9 days ago
Manchester
Real Staffing
Rate: £350 - £400 per day + competitive
Posted: 9 days ago
Sutton, Surrey
Reed Business Information Ltd
Rate: From £300 to £385 per day direct - no agency margin
Posted: 19 days ago
Manchester
Real Staffing
Rate: £350 per day + competitive
Posted: 20 days ago
Slough
Hays IT - Uk Posting account
Rate: £300.00 - £370.00 per day
Posted: 22 days ago
Swindon
Computer Futures
Rate: £350 - £400 per day + competitive
Posted: 26 days ago