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 September 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 Sep 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 374 350 430
Rank change year-on-year
-24 +80
Contract jobs citing CentOS 246 258 143
As % of all contract IT jobs located in England 0.46% 0.50% 0.30%
As % of the Operating Systems category 2.12% 2.21% 1.31%
Number of daily rates quoted 146 189 106
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£413 £400 £360
Average daily rate % change year-on-year
+3.12% +11.11%
90% offered a daily rate of more than £300 £225 £220
10% offered a daily rate of more than £525 £525 £450
UK excluding London average daily rate £338 £375 £350
% change year-on-year
-10.00% +7.14%
Number of hourly rates quoted 2 0 2
Average hourly rate £36.00 - £40.50
90% offered a hourly rate of more than £34.40 - £36.90
10% offered a hourly rate of more than £37.60 - £44.10
UK excluding London average hourly rate £36.00 - £40.50
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
11624 11651 10937
As % of all contract IT jobs located in England 21.57% 22.76% 22.73%
Number of daily rates quoted 6936 6737 6228
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 £178
10% offered a daily rate of more than £525 £525 £525
UK excluding London average daily rate £350 £323 £325
% change year-on-year
+8.52% -0.76%
Number of hourly rates quoted 915 1012 966
Average hourly rate £16.50 £15.75 £16.50
Average hourly rate % change year-on-year
+4.76% -4.54%
90% offered a hourly rate of more than £11.50 £11.00 £11.00
10% offered a hourly rate of more than £40.00 £34.00 £37.15
UK excluding London average hourly rate £16.50 £16.00 £16.00
% change year-on-year
+3.12% -

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 September 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 September 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 +20 147 £425 +2.71% 57
Yorkshire -17 40 £300 +33.33% 6
South East -34 20 £416 +14.04% 17
South West -53 16 £325 -16.12% 14
North West -23 6 £350 -12.50% 5
East of England +10 5 £190 - 5
East Midlands -14 5 £407 +24.27% 2
West Midlands +8 3 £306 - 5
Midlands - 2 £500 -
North East - 2 £419 -
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 1 September 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.

1 396 (84.26%) Linux
2 217 (46.17%) Puppet
3 213 (45.32%) Red Hat
4 203 (43.19%) Ubuntu
5 202 (42.98%) DevOps
6 164 (34.89%) Agile Software Development
7 163 (34.68%) Continuous Integration
8 161 (34.26%) Jenkins
9 149 (31.70%) Red Hat Enterprise Linux
10 144 (30.64%) Git (software)
11 143 (30.43%) VMware
11 143 (30.43%) Java
12 133 (28.30%) Bash Shell
13 132 (28.09%) Python
14 127 (27.02%) MySQL
15 125 (26.60%) Opscode Chef
16 119 (25.32%) Apache
17 112 (23.83%) Security Cleared
18 105 (22.34%) Windows
19 102 (21.70%) MongoDB
20 101 (21.49%) Amazon AWS
21 97 (20.64%) PHP
21 97 (20.64%) Configuration Management
22 87 (18.51%) Ruby
23 86 (18.30%) Tomcat
24 85 (18.09%) SC Cleared
24 85 (18.09%) Docker
25 81 (17.23%) JIRA
26 80 (17.02%) Perl
27 78 (16.60%) Splunk

CentOS
Top Related IT Skills in England by Category

For the 6 months to 1 September 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 (25.32%) Apache
2 86 (18.30%) Tomcat
3 70 (14.89%) Confluence
4 66 (14.04%) nginx
5 62 (13.19%) Node.js
6 41 (8.72%) JBoss
7 26 (5.53%) Mule ESB
8 19 (4.04%) IIS
9 18 (3.83%) Jetty
10 17 (3.62%) WildFly
11 16 (3.40%) Alfresco
12 15 (3.19%) Elasticsearch
13 14 (2.98%) OpenStack
14 12 (2.55%) Mule
15 10 (2.13%) CMS
15 10 (2.13%) WebLogic
15 10 (2.13%) Drupal
16 9 (1.91%) GlassFish
16 9 (1.91%) Apache Qpid
16 9 (1.91%) Tornado
Applications
1 7 (1.49%) MS Office
2 2 (0.43%) MS Excel
2 2 (0.43%) Adobe Illustrator
2 2 (0.43%) PowerPivot
2 2 (0.43%) Photoshop
3 1 (0.21%) MS Visio
Business Applications
1 9 (1.91%) Oracle BPM
2 6 (1.28%) Magento
3 2 (0.43%) SAP Business One
3 2 (0.43%) 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
1 101 (21.49%) Amazon AWS
2 31 (6.60%) Amazon EC2
3 30 (6.38%) Amazon ELB
4 29 (6.17%) Amazon S3
5 23 (4.89%) Google Cloud Platform
6 17 (3.62%) Route 53
7 11 (2.34%) IaaS
8 10 (2.13%) OpenShift
8 10 (2.13%) Microsoft Azure
8 10 (2.13%) PaaS
9 9 (1.91%) Amazon SQS
9 9 (1.91%) SaaS
10 8 (1.70%) AWS CloudFormation
11 4 (0.85%) Cloud Computing
11 4 (0.85%) GitHub
11 4 (0.85%) Amazon CloudSearch
12 3 (0.64%) Virtual Private Cloud
12 3 (0.64%) Rackspace Cloud
13 1 (0.21%) Heroku
13 1 (0.21%) Google Compute Engine
Communications & Networking
1 76 (16.17%) Firewall
2 43 (9.15%) SAN
3 39 (8.30%) DNS
4 35 (7.45%) LDAP
5 34 (7.23%) VPN
6 24 (5.11%) LAN
7 20 (4.26%) iSCSI
8 18 (3.83%) HTTP
8 18 (3.83%) Reverse Proxy
9 17 (3.62%) TCP/IP
10 15 (3.19%) SSL
10 15 (3.19%) WAN
10 15 (3.19%) DMZ
11 10 (2.13%) OpenLDAP
12 9 (1.91%) NAS
12 9 (1.91%) Network Security
12 9 (1.91%) SMTP
12 9 (1.91%) DHCP
13 8 (1.70%) Internet
14 7 (1.49%) IPsec
Database & Business Intelligence
1 127 (27.02%) MySQL
2 102 (21.70%) MongoDB
3 68 (14.47%) PostgreSQL
4 58 (12.34%) Redis
5 55 (11.70%) Hadoop
6 47 (10.00%) NoSQL
7 34 (7.23%) HBase
8 30 (6.38%) CouchDB
9 19 (4.04%) SQL Server
10 14 (2.98%) Relational Database
11 9 (1.91%) Infinispan
11 9 (1.91%) Riak
11 9 (1.91%) InterSystems Cache
12 7 (1.49%) Big Data
13 6 (1.28%) Couchbase
13 6 (1.28%) RDBMS
13 6 (1.28%) Apache Cassandra
14 5 (1.06%) MariaDB
14 5 (1.06%) Amazon RDS
15 4 (0.85%) Amazon DynamoDB
Development Applications
1 161 (34.26%) Jenkins
2 144 (30.64%) Git (software)
3 81 (17.23%) JIRA
4 71 (15.11%) Maven
5 42 (8.94%) Artifactory
6 41 (8.72%) Selenium
7 37 (7.87%) Cucumber
8 36 (7.66%) Subversion
9 34 (7.23%) Gerrit
10 33 (7.02%) SonarQube
11 32 (6.81%) Spock
11 32 (6.81%) Geb
11 32 (6.81%) Hudson
11 32 (6.81%) IntelliJ
12 31 (6.60%) JMeter
13 28 (5.96%) Gradle
14 22 (4.68%) Atlassian Bamboo
15 19 (4.04%) Mercurial
16 14 (2.98%) Mocha
17 13 (2.77%) Ant
General
1 27 (5.74%) Finance
2 16 (3.40%) Telecoms
3 5 (1.06%) Games
4 4 (0.85%) Marketing
5 3 (0.64%) Advertising
5 3 (0.64%) Electronics
6 2 (0.43%) Manufacturing
7 1 (0.21%) Financial Institution
7 1 (0.21%) Aerospace
7 1 (0.21%) Legal
7 1 (0.21%) Banking
7 1 (0.21%) Retail
7 1 (0.21%) Billing
Job Titles
1 136 (28.94%) DevOps Engineer
2 80 (17.02%) Developer
3 58 (12.34%) Administrator
4 51 (10.85%) Systems Administrator
5 43 (9.15%) Linux Engineer
6 41 (8.72%) Java Developer
6 41 (8.72%) Linux Administrator
7 31 (6.60%) Linux Systems Administrator
8 26 (5.53%) Linux DevOps Engineer
9 17 (3.62%) Architect
10 16 (3.40%) PHP Developer
11 15 (3.19%) Consultant
12 12 (2.55%) Technical Support
13 10 (2.13%) Infrastructure Engineer
13 10 (2.13%) Systems Engineer
14 9 (1.91%) Support Engineer
14 9 (1.91%) 2nd Line Support
15 8 (1.70%) Analyst
15 8 (1.70%) DevOps Consultant
15 8 (1.70%) Linux Support
Libraries, Frameworks & Software Standards
1 73 (15.53%) Web Services
2 67 (14.26%) RabbitMQ
3 54 (11.49%) LAMP
4 50 (10.64%) HTML
5 48 (10.21%) Spring
5 48 (10.21%) RESTful
6 42 (8.94%) JAX-RS
6 42 (8.94%) Apache Camel
7 38 (8.09%) CSS
8 37 (7.87%) jQuery
9 34 (7.23%) HTML5
10 32 (6.81%) Spring Boot
10 32 (6.81%) Grails
11 29 (6.17%) JSON
12 28 (5.96%) J2EE
13 26 (5.53%) Kafka
14 23 (4.89%) CSS3
15 21 (4.47%) AngularJS
15 21 (4.47%) Twitter Bootstrap
15 21 (4.47%) XML
Miscellaneous
1 27 (5.74%) Data Centre
2 17 (3.62%) Analytical Skills
3 14 (2.98%) NHS
4 13 (2.77%) Clustering
4 13 (2.77%) Enterprise Software
4 13 (2.77%) User Experience
5 12 (2.55%) Private Cloud
6 11 (2.34%) W3C
7 7 (1.49%) PKI
7 7 (1.49%) Enterprise Storage
7 7 (1.49%) Wiki
8 6 (1.28%) Fat Client
8 6 (1.28%) Thin Client
8 6 (1.28%) Management Information System
8 6 (1.28%) Replication
9 5 (1.06%) Client/Server
9 5 (1.06%) Tandem
9 5 (1.06%) EqualLogic
10 4 (0.85%) Online Games
11 3 (0.64%) Freedom of Information Act
Operating Systems
1 396 (84.26%) Linux
2 203 (43.19%) Ubuntu
3 149 (31.70%) Red Hat Enterprise Linux
4 105 (22.34%) Windows
5 74 (15.74%) UNIX
6 35 (7.45%) Debian
7 28 (5.96%) Windows Server 2012
8 25 (5.32%) Windows Server 2003
9 23 (4.89%) Fedora
9 23 (4.89%) Windows Server 2008
10 18 (3.83%) Solaris
11 13 (2.77%) Windows 7
12 9 (1.91%) Windows 8
13 7 (1.49%) SUSE
14 6 (1.28%) HPUX
15 5 (1.06%) Windows XP
15 5 (1.06%) Mac OS
16 4 (0.85%) AIX
17 3 (0.64%) Android
18 1 (0.21%) VMS
Processes & Methodologies
1 202 (42.98%) DevOps
2 164 (34.89%) Agile Software Development
3 163 (34.68%) Continuous Integration
4 97 (20.64%) Configuration Management
5 74 (15.74%) TDD
6 65 (13.83%) Microservices
7 55 (11.70%) Open Source
7 55 (11.70%) Scrum
8 52 (11.06%) Continuous Delivery
9 42 (8.94%) ITIL
10 39 (8.30%) Service Management
11 36 (7.66%) Workflow
12 33 (7.02%) BDD
13 26 (5.53%) API Development
14 23 (4.89%) E-Commerce
15 22 (4.68%) Migration
15 22 (4.68%) Data Management
15 22 (4.68%) Software Engineering
15 22 (4.68%) OWASP
16 20 (4.26%) Build Automation
Programming Languages
1 143 (30.43%) Java
2 133 (28.30%) Bash Shell
3 132 (28.09%) Python
4 97 (20.64%) PHP
5 87 (18.51%) Ruby
6 80 (17.02%) Perl
7 73 (15.53%) JavaScript
8 61 (12.98%) SQL
9 35 (7.45%) Shell Script
9 35 (7.45%) Groovy
10 13 (2.77%) PowerShell
11 10 (2.13%) Scala
12 8 (1.70%) C++
13 5 (1.06%) C#
14 4 (0.85%) C
14 4 (0.85%) Go
15 1 (0.21%) PL/SQL
15 1 (0.21%) VB
Qualifications
1 112 (23.83%) Security Cleared
2 85 (18.09%) SC Cleared
3 28 (5.96%) RHCE
4 22 (4.68%) Cisco Certification
5 16 (3.40%) DV Cleared
6 14 (2.98%) CCNA
7 11 (2.34%) CCNP
8 10 (2.13%) Degree
9 4 (0.85%) Microsoft Certification
10 3 (0.64%) MCSE
10 3 (0.64%) JNCIA
10 3 (0.64%) JNCIS
11 2 (0.43%) CTC Cleared
12 1 (0.21%) BC Cleared
12 1 (0.21%) MCDST
12 1 (0.21%) MCTS
12 1 (0.21%) ISTQB
12 1 (0.21%) ISEB
12 1 (0.21%) VMware Certified Professional (VCP)
12 1 (0.21%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 34 (7.23%) QA
2 5 (1.06%) WAI
3 4 (0.85%) PCI DSS
4 3 (0.64%) ISO 9001
4 3 (0.64%) SLA
4 3 (0.64%) ISO/IEC 27001
System Software
1 85 (18.09%) Docker
2 71 (15.11%) VMware Infrastructure
3 55 (11.70%) Active Directory
4 41 (8.72%) vCloud
5 18 (3.83%) VMware ESXi
6 17 (3.62%) Postfix
7 15 (3.19%) Varnish
8 14 (2.98%) iptables
9 13 (2.77%) VMware Server
9 13 (2.77%) vSphere
9 13 (2.77%) NFS
9 13 (2.77%) Squid
10 12 (2.55%) Hyper-V
11 10 (2.13%) Samba
12 9 (1.91%) VMware ESX
12 9 (1.91%) VirtualBox
13 6 (1.28%) Terminal Services
13 6 (1.28%) qmail
14 4 (0.85%) SpamAssassin
14 4 (0.85%) FreeRADIUS
Systems Management
1 217 (46.17%) Puppet
2 125 (26.60%) Opscode Chef
3 68 (14.47%) Ansible
4 66 (14.04%) Salt
5 57 (12.13%) ZABBIX
6 47 (10.00%) Vagrant
7 44 (9.36%) Rundeck
8 43 (9.15%) Graphite
9 36 (7.66%) logstash
10 33 (7.02%) Nagios
11 32 (6.81%) HAProxy
12 28 (5.96%) Kibana
13 11 (2.34%) Opsview
14 10 (2.13%) SELinux
15 8 (1.70%) Cacti
16 6 (1.28%) OVSD
16 6 (1.28%) yum
16 6 (1.28%) cPanel
17 5 (1.06%) Red Hat Satellite
17 5 (1.06%) HP Quality Center
Vendors
1 213 (45.32%) Red Hat
2 143 (30.43%) VMware
3 78 (16.60%) Splunk
4 48 (10.21%) Cisco
5 42 (8.94%) Microsoft
6 30 (6.38%) Oracle
7 24 (5.11%) Google
8 22 (4.68%) HP
9 20 (4.26%) NetApp
10 18 (3.83%) Juniper
11 16 (3.40%) Dell
12 13 (2.77%) Atlassian
12 13 (2.77%) Twitter
12 13 (2.77%) Rackspace
13 12 (2.55%) F5
14 11 (2.34%) Tealeaf
14 11 (2.34%) Riverbed
14 11 (2.34%) Citrix
15 10 (2.13%) Zend
15 10 (2.13%) Pega
London
ClearCube Consulting
Rate: From £450 to £550 per day
Posted: Yesterday
London
Spargonet Consulting Plc
Rate: £400 - £450 per day
Posted: Yesterday
Isleworth, Middlesex
ICP Search
Rate: From £500 to £580 per day
Posted: 3 days ago
London
TEKsystems
Rate: £400 - £450 per annum
Posted: 3 days ago
London
Hydrogen Group
Rate: £300.00 - £400.00 per day
Posted: 3 days ago
London
McGregor Boyall
Rate: £300 - £400 per day
Posted: 3 days ago
Nottinghamshire
X4 Group
Rate: £32 - 35 per hour
Posted: 5 days ago
Croydon, Surrey
E-synergy Solutions
Rate: £400 - £425 per day
Posted: 5 days ago
London
Clear Cube Consulting
Rate: £450 - £550 per day
Posted: 5 days ago
London
ClearCube Consulting
Rate: From £450 to £550 per day
Posted: 5 days ago
London
JPNG Recruitment
Rate: £125 - £150 per day
Posted: 7 days ago
London
Real Staffing
Rate: £320 - £380 per day + competitive
Posted: 14 days ago
Nottinghamshire
Real Staffing
Rate: £260 - £280 per day + competitive
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Swindon
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Rate: £330 - £360 per day + competitive
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