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 27 February 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
27 Feb 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 348 434 400
Rank change year-on-year
+86 -34
Contract jobs citing CentOS 233 113 114
As % of all contract IT jobs located in England 0.49% 0.25% 0.28%
As % of the Operating Systems category 2.18% 1.12% 1.30%
Number of daily rates quoted 157 75 69
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 £240 £300 £250
10% offered a daily rate of more than £500 £478 £463
UK excluding London average daily rate £375 £356 £328
% change year-on-year
+5.26% +8.77%
Number of hourly rates quoted 1 2 2
Average hourly rate £47.50 £35.00 £33.75
Average hourly rate % change year-on-year
+35.71% +3.70%
UK excluding London average hourly rate £47.50 £35.00 £32.50
% change year-on-year
+35.71% +7.69%
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
10678 10124 8780
As % of all contract IT jobs located in England 22.42% 22.13% 21.56%
Number of daily rates quoted 6191 5607 4691
Average daily rate £375 £350 £353
Average daily rate % change year-on-year
+7.14% -0.70%
90% offered a daily rate of more than £175 £150 £176
10% offered a daily rate of more than £525 £525 £500
UK excluding London average daily rate £340 £313 £320
% change year-on-year
+8.80% -2.34%
Number of hourly rates quoted 839 972 963
Average hourly rate £16.00 £16.00 £17.00
Average hourly rate % change year-on-year
- -5.88%
90% offered a hourly rate of more than £11.00 £11.00 £11.00
10% offered a hourly rate of more than £39.45 £35.00 £37.50
UK excluding London average hourly rate £15.50 £15.50 £16.20
% change year-on-year
- -4.32%

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 27 February 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 27 February 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 +22 107 £450 +9.09% 40
South East +6 43 £345 -4.82% 21
South West +9 38 £400 +14.28% 12
Yorkshire 0 17 £220 - 6
East Midlands +11 9 £450 +20.00% 3
North West -15 9 £228 -46.47% 7
East of England +5 6 £425 +6.25% 8
North East - 3 £375 - 5
West Midlands -5 1 - - 3
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 27 February 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.

1 498 (88.30%) Linux
2 275 (48.76%) Puppet
3 267 (47.34%) Red Hat
4 255 (45.21%) DevOps
5 223 (39.54%) Continuous Integration
6 210 (37.23%) Jenkins
7 209 (37.06%) Agile Software Development
8 202 (35.82%) Apache
9 201 (35.64%) Git (software)
10 196 (34.75%) MySQL
11 195 (34.57%) Ubuntu
12 185 (32.80%) Bash Shell
13 181 (32.09%) Red Hat Enterprise Linux
14 175 (31.03%) PHP
15 169 (29.96%) Python
16 166 (29.43%) Java
17 165 (29.26%) Ruby
18 164 (29.08%) VMware
18 164 (29.08%) Opscode Chef
19 126 (22.34%) Windows
20 118 (20.92%) Perl
21 112 (19.86%) Configuration Management
21 112 (19.86%) Firewall
22 104 (18.44%) Maven
23 99 (17.55%) Nagios
23 99 (17.55%) Security Cleared
24 98 (17.38%) Amazon AWS
25 90 (15.96%) JavaScript
26 88 (15.60%) MongoDB
27 87 (15.43%) Web Services

CentOS
Top Related IT Skills in England by Category

For the 6 months to 27 February 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
1 202 (35.82%) Apache
2 56 (9.93%) OpenStack
3 46 (8.16%) Tomcat
3 46 (8.16%) nginx
4 23 (4.08%) IIS
5 22 (3.90%) Node.js
5 22 (3.90%) Confluence
5 22 (3.90%) Elasticsearch
6 21 (3.72%) JBoss
7 17 (3.01%) MediaWiki
8 16 (2.84%) Cloud Foundry
9 8 (1.42%) WebSphere
10 7 (1.24%) MS Exchange
11 6 (1.06%) SharePoint
11 6 (1.06%) Apache ServiceMix
11 6 (1.06%) Moodle
12 5 (0.89%) Exchange Server 2010
13 4 (0.71%) Exchange Server 2013
13 4 (0.71%) Lync
14 3 (0.53%) WebLogic
Applications
1 31 (5.50%) MS Excel
2 9 (1.60%) MS Office
3 1 (0.18%) Photoshop
Business Applications
1 5 (0.89%) SAP Oil and Gas
2 3 (0.53%) ResourceLink
3 2 (0.35%) Agresso
Cloud Services
1 98 (17.38%) Amazon AWS
2 57 (10.11%) PaaS
3 46 (8.16%) Amazon S3
4 43 (7.62%) Amazon EC2
5 23 (4.08%) Amazon ELB
6 16 (2.84%) Route 53
6 16 (2.84%) Heroku
6 16 (2.84%) Engine Yard
7 9 (1.60%) SaaS
8 6 (1.06%) GitHub
9 5 (0.89%) IaaS
10 3 (0.53%) Cloud Computing
11 2 (0.35%) Amazon SQS
11 2 (0.35%) Google Cloud Platform
11 2 (0.35%) Google Apps
12 1 (0.18%) Joyent
12 1 (0.18%) Rackspace Cloud
12 1 (0.18%) Microsoft Azure
Communications & Networking
1 112 (19.86%) Firewall
2 50 (8.87%) DNS
3 48 (8.51%) TCP/IP
4 42 (7.45%) VPN
5 40 (7.09%) LDAP
5 40 (7.09%) LAN
5 40 (7.09%) WAN
5 40 (7.09%) VLAN
6 35 (6.21%) SSL
7 29 (5.14%) Network Security
8 24 (4.26%) SAN
9 23 (4.08%) Internet
10 19 (3.37%) HTTP
11 18 (3.19%) IPv6
12 17 (3.01%) BGP
12 17 (3.01%) IPsec
13 16 (2.84%) EIGRP
13 16 (2.84%) OSPF
14 13 (2.30%) VoIP
14 13 (2.30%) iSCSI
Database & Business Intelligence
1 196 (34.75%) MySQL
2 88 (15.60%) MongoDB
3 79 (14.01%) NoSQL
4 65 (11.52%) PostgreSQL
5 60 (10.64%) Apache Cassandra
6 36 (6.38%) Relational Database
7 31 (5.50%) SQL Server
8 29 (5.14%) Hadoop
9 22 (3.90%) Big Data
10 21 (3.72%) RDBMS
11 18 (3.19%) CouchDB
11 18 (3.19%) Redis
12 17 (3.01%) Riak
13 14 (2.48%) SQL Server 2012
13 14 (2.48%) MariaDB
14 11 (1.95%) Amazon RDS
15 7 (1.24%) Pentaho
16 4 (0.71%) Oracle Reports
17 3 (0.53%) SQL Server 2008
18 2 (0.35%) Mahout
Development Applications
1 210 (37.23%) Jenkins
2 201 (35.64%) Git (software)
3 104 (18.44%) Maven
4 74 (13.12%) Subversion
5 61 (10.82%) PHPUnit
6 51 (9.04%) Hudson
7 25 (4.43%) JIRA
8 13 (2.30%) Artifactory
9 12 (2.13%) JUnit
10 11 (1.95%) Selenium
10 11 (1.95%) JMeter
11 10 (1.77%) Atlassian Bamboo
11 10 (1.77%) Cucumber
12 7 (1.24%) Gradle
13 6 (1.06%) Gerrit
13 6 (1.06%) RSpec
13 6 (1.06%) QUnit
14 5 (0.89%) Grunt
15 4 (0.71%) Mercurial
16 3 (0.53%) MSI
General
1 47 (8.33%) Finance
2 9 (1.60%) Games
3 8 (1.42%) Telecoms
4 7 (1.24%) Marketing
5 6 (1.06%) Manufacturing
6 5 (0.89%) Publishing
6 5 (0.89%) Electronics
7 4 (0.71%) Banking
8 3 (0.53%) Retail
9 1 (0.18%) Back Office
9 1 (0.18%) Legal
9 1 (0.18%) French Language
9 1 (0.18%) German Language
Job Titles
1 158 (28.01%) DevOps Engineer
2 101 (17.91%) Developer
3 72 (12.77%) Administrator
4 69 (12.23%) Senior DevOps Engineer
5 58 (10.28%) Linux DevOps Engineer
6 53 (9.40%) Linux Administrator
7 51 (9.04%) Systems Administrator
8 50 (8.87%) PHP Developer
9 35 (6.21%) Linux Systems Administrator
10 30 (5.32%) Linux Engineer
11 26 (4.61%) Architect
12 25 (4.43%) PHP Zend Developer
13 24 (4.26%) Infrastructure Engineer
14 23 (4.08%) Software Engineer
14 23 (4.08%) Senior Developer
15 20 (3.55%) Systems Engineer
16 19 (3.37%) Support Engineer
17 18 (3.19%) Analyst
18 16 (2.84%) Java Developer
19 15 (2.66%) Operations Engineer
Libraries, Frameworks & Software Standards
1 87 (15.43%) Web Services
2 82 (14.54%) jQuery
3 78 (13.83%) HTML
4 75 (13.30%) LAMP
5 70 (12.41%) HTML5
6 55 (9.75%) Doctrine
6 55 (9.75%) Zend Framework
7 34 (6.03%) MCollective
8 28 (4.96%) CSS
9 19 (3.37%) REST
10 18 (3.19%) JSON
11 16 (2.84%) Spring
11 16 (2.84%) XML
12 15 (2.66%) RESTful
13 14 (2.48%) Hibernate
14 13 (2.30%) ActiveMQ
14 13 (2.30%) JPA
15 12 (2.13%) J2EE
16 10 (1.77%) .NET
16 10 (1.77%) Ajax
Miscellaneous
1 75 (13.30%) Open Source
2 60 (10.64%) Clustering
3 21 (3.72%) Device Driver
4 20 (3.55%) Computer Science
5 18 (3.19%) Wiki
6 17 (3.01%) PKI
7 15 (2.66%) Smartcard
8 9 (1.60%) Analytical Skills
9 8 (1.42%) Replication
9 8 (1.42%) NHS
10 7 (1.24%) Management Information System
10 7 (1.24%) Data Structures
11 5 (0.89%) Online Games
11 5 (0.89%) W3C
11 5 (0.89%) DTV
12 4 (0.71%) Digital Media
12 4 (0.71%) Algorithms
13 3 (0.53%) Client/Server
13 3 (0.53%) VLE
13 3 (0.53%) Cryptography
Operating Systems
1 498 (88.30%) Linux
2 195 (34.57%) Ubuntu
3 181 (32.09%) Red Hat Enterprise Linux
4 126 (22.34%) Windows
5 59 (10.46%) UNIX
6 52 (9.22%) Debian
7 39 (6.91%) Windows Server 2003
8 35 (6.21%) Windows Server 2008
9 18 (3.19%) Fedora
10 16 (2.84%) Windows Server 2012
11 11 (1.95%) VMS
11 11 (1.95%) Mac OS X
12 9 (1.60%) Windows XP
13 8 (1.42%) Solaris
14 7 (1.24%) SUSE
14 7 (1.24%) Oracle Linux
15 6 (1.06%) Windows 7
16 4 (0.71%) SUSE Linux Enterprise Server
17 3 (0.53%) Windows 8
17 3 (0.53%) Amazon Linux
Processes & Methodologies
1 255 (45.21%) DevOps
2 223 (39.54%) Continuous Integration
3 209 (37.06%) Agile Software Development
4 112 (19.86%) Configuration Management
5 80 (14.18%) Scrum
6 75 (13.30%) Load Balancing
7 70 (12.41%) Automated Testing
8 56 (9.93%) Build Automation
9 52 (9.22%) ITIL
10 50 (8.87%) Software Engineering
11 38 (6.74%) Mentoring
12 36 (6.38%) Workflow
12 36 (6.38%) Change Management
12 36 (6.38%) Kanban
13 34 (6.03%) Refactoring
14 31 (5.50%) Capacity Planning
14 31 (5.50%) Service Delivery
15 28 (4.96%) Service Management
16 24 (4.26%) TDD
16 24 (4.26%) Release Management
Programming Languages
1 185 (32.80%) Bash Shell
2 175 (31.03%) PHP
3 169 (29.96%) Python
4 166 (29.43%) Java
5 165 (29.26%) Ruby
6 118 (20.92%) Perl
7 90 (15.96%) JavaScript
8 67 (11.88%) SQL
9 45 (7.98%) Shell Script
10 21 (3.72%) Korn
11 12 (2.13%) Scala
12 10 (1.77%) PowerShell
13 7 (1.24%) PHP5
14 6 (1.06%) Groovy
14 6 (1.06%) C#
14 6 (1.06%) C++
15 5 (0.89%) C
15 5 (0.89%) Golang
16 3 (0.53%) sed
17 2 (0.35%) TypeScript
Qualifications
1 99 (17.55%) Security Cleared
2 69 (12.23%) SC Cleared
3 33 (5.85%) Cisco Certification
4 32 (5.67%) CCNA
5 13 (2.30%) VCP4
5 13 (2.30%) DV Cleared
6 10 (1.77%) Degree
7 8 (1.42%) RHCT
8 1 (0.18%) MCITP
8 1 (0.18%) Microsoft Certification
8 1 (0.18%) MCSE
8 1 (0.18%) PhD
8 1 (0.18%) CCNP
8 1 (0.18%) BC Cleared
8 1 (0.18%) CTC Cleared
Quality Assurance & Compliance
1 46 (8.16%) QA
2 10 (1.77%) SLA
3 9 (1.60%) PCI DSS
4 4 (0.71%) HIPAA
4 4 (0.71%) Sarbanes-Oxley
5 1 (0.18%) ISO/IEC 27001
System Software
1 84 (14.89%) VMware Infrastructure
2 40 (7.09%) vCloud
3 35 (6.21%) Active Directory
4 28 (4.96%) XenServer
5 26 (4.61%) Samba
6 20 (3.55%) Hyper-V
7 19 (3.37%) Postfix
8 18 (3.19%) vSphere
9 14 (2.48%) Firmware
10 13 (2.30%) NFS
11 12 (2.13%) Docker
12 10 (1.77%) Varnish
12 10 (1.77%) XenApp
12 10 (1.77%) Xen
13 9 (1.60%) XenDesktop
14 8 (1.42%) VMware ESXi
15 7 (1.24%) VMware ESX
16 4 (0.71%) Terminal Services
16 4 (0.71%) VMware Server
17 3 (0.53%) KVM
Systems Management
1 275 (48.76%) Puppet
2 164 (29.08%) Opscode Chef
3 99 (17.55%) Nagios
4 75 (13.30%) ZABBIX
5 68 (12.06%) Ansible
6 44 (7.80%) Salt
7 35 (6.21%) Cobbler
8 33 (5.85%) Vagrant
9 32 (5.67%) Cacti
10 20 (3.55%) Kibana
11 19 (3.37%) FortiGate
12 18 (3.19%) Graphite
13 17 (3.01%) Zenoss
14 16 (2.84%) Graylog
15 13 (2.30%) HAProxy
15 13 (2.30%) Red Hat Spacewalk
15 13 (2.30%) collectd
16 10 (1.77%) yum
17 8 (1.42%) SELinux
17 8 (1.42%) logstash
Vendors
1 267 (47.34%) Red Hat
2 164 (29.08%) VMware
3 60 (10.64%) Zend
4 56 (9.93%) Microsoft
5 54 (9.57%) Cisco
6 48 (8.51%) Splunk
7 39 (6.91%) Oracle
8 35 (6.21%) Citrix
9 24 (4.26%) Perforce
10 21 (3.72%) Rackspace
11 16 (2.84%) Percona
11 16 (2.84%) HP
12 13 (2.30%) NetApp
13 12 (2.13%) RightScale
14 11 (1.95%) New Relic
15 10 (1.77%) EMC
16 9 (1.60%) Juniper
16 9 (1.60%) Google
16 9 (1.60%) F5
17 8 (1.42%) IBM
Hampshire
LA International
Rate: £400 - £450 per day
Posted: 19 hours ago
London
TEKsystems
Posted: 20 hours ago
East London
Oscar Associates (UK) Ltd
Rate: £276 - £400 per day
Posted: 21 hours ago
London
Roc Search
Posted: 2 days ago
Manchester, Lancashire
Circle Recruitment
Rate: £200 - £240 per day
Posted: 3 days ago
Newcastle Upon Tyne, Tyne and Wear
Optimus Search
Rate: £400 - £500 per day
Posted: 4 days ago
West London
Oscar Associates (UK) Ltd
Rate: £300 - £370 per day
Posted: 4 days ago
Kent
Monarch Recruitment
Rate: £400 - £410 per day
Posted: 5 days ago
Leeds
Universe Technology Recruitment Ltd
Posted: 10 days ago
Newcastle upon Tyne
Computer Futures
Rate: competitive
Posted: 11 days ago
Middlesex
Real Staffing
Rate: competitive
Posted: 11 days ago
Newcastle upon Tyne
Computer Futures
Rate: competitive
Posted: 12 days ago
City of London
Venturi
Rate: £250 - £325 per annum
Posted: 14 days ago
Central London / West End
Incopro Ltd.
Rate: Up to £400 per day Salary based on experience/skill
Posted: 21 days ago
Leeds
Hays IT - Uk Posting account
Rate: £200.00 - £240.00 per day
Posted: 24 days ago