The table below looks at the statistics for CentOS skills in IT contracts advertised for the London region. Included is a guide to the average contractor rates offered in IT contracts that have cited CentOS over the 3 months to 3 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
3 Sep 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 278 292 334
Rank change year-on-year
+14 +42
Contract jobs citing CentOS 152 124 97
As % of all contract IT jobs located in London 0.64% 0.51% 0.38%
As % of the Operating Systems category 2.98% 2.26% 1.67%
Number of daily rates quoted 97 91 74
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£425 £413 £360
Average daily rate % change year-on-year
+3.03% +14.58%
90% offered a daily rate of more than £325 £350 £233
10% offered a daily rate of more than £550 £545 £449
UK excluding London average daily rate £340 £375 £375
% change year-on-year
-9.33% -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £36.00 - £40.50
CentOS
England

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in contract jobs advertised in the London region.

Operating Systems Category
London
Contract IT job ads with a match in the
Operating Systems category
5096 5494 5815
As % of all contract IT jobs located in London 21.52% 22.67% 23.00%
Number of daily rates quoted 3480 3609 3822
Average daily rate £413 £400 £390
Average daily rate % change year-on-year
+3.12% +2.56%
90% offered a daily rate of more than £185 £175 £200
10% offered a daily rate of more than £550 £550 £550
UK excluding London average daily rate £350 £323 £325
% change year-on-year
+8.52% -0.76%
Number of hourly rates quoted 140 241 259
Average hourly rate £17.25 £15.00 £17.50
Average hourly rate % change year-on-year
+15.00% -14.28%
90% offered a hourly rate of more than £12.50 £11.50 £12.00
10% offered a hourly rate of more than £40.00 £34.00 £29.50
UK excluding London average hourly rate £16.50 £16.00 £16.00
% change year-on-year
+3.12% -

CentOS
Jobs Demand Trend in London

This chart provides a 3-month moving total of IT contractor jobs citing CentOS across the London region as a proportion of the total demand within the Operating Systems category.

CentOS Jobs Demand Trend in London

CentOS
Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing CentOS across the London region.

CentOS Daily Rate Trend in London

CentOS
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the London region over the 3 months to 3 September 2015.

CentOS Daily Rate Histogram in London

CentOS
Hourly Rate Trend in London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing CentOS across the London region.

CentOS Hourly Rate Trend in London

CentOS
Contract Job Locations in London

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing CentOS within the London region over the 3 months to 3 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
Croydon - 17 £450 - 1
City of London +6 13 £420 -6.66% 7
CentOS
England

CentOS
Top 30 Related IT Skills in London

For the 6 months to 3 September 2015, IT contractor jobs across the London 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.

1 216 (88.89%) Linux
2 125 (51.44%) Ubuntu
2 125 (51.44%) Continuous Integration
3 122 (50.21%) Agile Software Development
4 120 (49.38%) Red Hat
5 119 (48.97%) Puppet
6 113 (46.50%) DevOps
7 104 (42.80%) Java
8 103 (42.39%) Jenkins
9 91 (37.45%) Git (software)
10 86 (35.39%) Bash Shell
11 82 (33.74%) VMware
12 80 (32.92%) Security Cleared
13 75 (30.86%) Red Hat Enterprise Linux
13 75 (30.86%) MySQL
14 74 (30.45%) Apache
15 68 (27.98%) TDD
15 68 (27.98%) JIRA
16 65 (26.75%) Opscode Chef
17 64 (26.34%) Amazon AWS
17 64 (26.34%) Python
18 63 (25.93%) Configuration Management
18 63 (25.93%) Confluence
19 60 (24.69%) Maven
20 58 (23.87%) MongoDB
21 57 (23.46%) SC Cleared
21 57 (23.46%) Ansible
22 56 (23.05%) Web Services
23 55 (22.63%) Perl
23 55 (22.63%) Ruby

CentOS
Top Related IT Skills in London by Category

For the 6 months to 3 September 2015, IT contractor jobs across the London 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 74 (30.45%) Apache
2 63 (25.93%) Confluence
3 51 (20.99%) Tomcat
4 47 (19.34%) nginx
5 46 (18.93%) Node.js
6 39 (16.05%) JBoss
7 26 (10.70%) Mule ESB
8 17 (7.00%) WildFly
9 16 (6.58%) Alfresco
10 14 (5.76%) Jetty
11 13 (5.35%) Elasticsearch
12 12 (4.94%) Mule
13 10 (4.12%) WebLogic
14 9 (3.70%) iPlanet
14 9 (3.70%) GlassFish
14 9 (3.70%) Tornado
14 9 (3.70%) Apache Qpid
14 9 (3.70%) Apache TomEE
15 8 (3.29%) OpenStack
15 8 (3.29%) IIS
Applications
1 2 (0.82%) Photoshop
1 2 (0.82%) Adobe Illustrator
1 2 (0.82%) PowerPivot
Business Applications
1 9 (3.70%) Oracle BPM
2 4 (1.65%) Magento
3 2 (0.82%) SAP Business One
4 1 (0.41%) Oracle EBS
4 1 (0.41%) Oracle Applications
4 1 (0.41%) Hyperion Enterprise
4 1 (0.41%) ResourceLink
Cloud Services
1 64 (26.34%) Amazon AWS
2 22 (9.05%) Google Cloud Platform
3 13 (5.35%) Amazon ELB
4 11 (4.53%) Amazon S3
5 10 (4.12%) Amazon EC2
5 10 (4.12%) OpenShift
6 9 (3.70%) IaaS
7 8 (3.29%) Amazon SQS
7 8 (3.29%) AWS CloudFormation
8 4 (1.65%) Microsoft Azure
8 4 (1.65%) SaaS
8 4 (1.65%) Amazon CloudSearch
9 3 (1.23%) PaaS
9 3 (1.23%) Rackspace Cloud
10 2 (0.82%) GitHub
10 2 (0.82%) Cloud Computing
11 1 (0.41%) Heroku
11 1 (0.41%) Route 53
11 1 (0.41%) Virtual Private Cloud
11 1 (0.41%) Google Compute Engine
Communications & Networking
1 44 (18.11%) Firewall
2 27 (11.11%) VPN
3 24 (9.88%) LDAP
4 19 (7.82%) DNS
5 18 (7.41%) Reverse Proxy
6 17 (7.00%) SAN
7 16 (6.58%) HTTP
8 14 (5.76%) LAN
8 14 (5.76%) DMZ
9 10 (4.12%) OpenLDAP
10 9 (3.70%) NAS
11 7 (2.88%) iSCSI
11 7 (2.88%) Internet
11 7 (2.88%) TCP/IP
12 6 (2.47%) SSL
12 6 (2.47%) Network Security
12 6 (2.47%) PCoIP
13 5 (2.06%) IPsec
13 5 (2.06%) BGP
13 5 (2.06%) DHCP
Database & Business Intelligence
1 75 (30.86%) MySQL
2 58 (23.87%) MongoDB
3 53 (21.81%) PostgreSQL
4 44 (18.11%) Redis
5 42 (17.28%) Hadoop
6 34 (13.99%) HBase
7 28 (11.52%) NoSQL
8 12 (4.94%) Relational Database
9 9 (3.70%) Riak
9 9 (3.70%) Infinispan
9 9 (3.70%) InterSystems Cache
10 8 (3.29%) SQL Server
11 6 (2.47%) Apache Cassandra
12 5 (2.06%) RDBMS
13 4 (1.65%) CouchDB
13 4 (1.65%) Amazon DynamoDB
13 4 (1.65%) Amazon RDS
13 4 (1.65%) Big Data
13 4 (1.65%) MariaDB
14 3 (1.23%) Couchbase
Development Applications
1 103 (42.39%) Jenkins
2 91 (37.45%) Git (software)
3 68 (27.98%) JIRA
4 60 (24.69%) Maven
5 41 (16.87%) Artifactory
6 36 (14.81%) Selenium
7 33 (13.58%) Cucumber
7 33 (13.58%) Gerrit
7 33 (13.58%) SonarQube
8 32 (13.17%) Spock
8 32 (13.17%) Geb
8 32 (13.17%) IntelliJ
9 28 (11.52%) JMeter
10 27 (11.11%) Gradle
11 21 (8.64%) Subversion
12 18 (7.41%) Mercurial
13 16 (6.58%) Atlassian Bamboo
14 14 (5.76%) Mocha
15 12 (4.94%) Ant
16 10 (4.12%) JUnit
General
1 10 (4.12%) Telecoms
2 8 (3.29%) Finance
3 3 (1.23%) Advertising
4 2 (0.82%) Marketing
5 1 (0.41%) Electronics
5 1 (0.41%) Legal
5 1 (0.41%) Banking
5 1 (0.41%) Retail
5 1 (0.41%) Billing
Job Titles
1 67 (27.57%) DevOps Engineer
2 64 (26.34%) Developer
3 42 (17.28%) Java Developer
4 24 (9.88%) Systems Administrator
5 22 (9.05%) Administrator
6 19 (7.82%) Linux Engineer
7 16 (6.58%) Linux DevOps Engineer
8 11 (4.53%) Architect
9 8 (3.29%) Linux Systems Administrator
9 8 (3.29%) Linux Administrator
10 7 (2.88%) Java Architect
10 7 (2.88%) Senior Developer
11 6 (2.47%) Network Engineer
11 6 (2.47%) Cloud Engineer
12 5 (2.06%) DevOps Specialist
12 5 (2.06%) Systems Engineer
12 5 (2.06%) Analyst
13 4 (1.65%) Agile Java Developer
13 4 (1.65%) Python Developer
13 4 (1.65%) Consultant
Libraries, Frameworks & Software Standards
1 56 (23.05%) Web Services
2 50 (20.58%) Spring
3 47 (19.34%) RESTful
4 42 (17.28%) JAX-RS
4 42 (17.28%) Apache Camel
5 34 (13.99%) LAMP
6 33 (13.58%) HTML
7 32 (13.17%) Grails
7 32 (13.17%) Spring Boot
8 29 (11.93%) RabbitMQ
8 29 (11.93%) CSS
9 28 (11.52%) J2EE
10 26 (10.70%) HTML5
10 26 (10.70%) jQuery
11 25 (10.29%) JSON
12 23 (9.47%) CSS3
13 21 (8.64%) Twitter Bootstrap
14 20 (8.23%) AngularJS
15 16 (6.58%) MCollective
15 16 (6.58%) XML
Miscellaneous
1 12 (4.94%) Enterprise Software
2 11 (4.53%) Analytical Skills
2 11 (4.53%) W3C
3 9 (3.70%) User Experience
4 7 (2.88%) Data Centre
5 6 (2.47%) Thin Client
5 6 (2.47%) Fat Client
6 5 (2.06%) PKI
6 5 (2.06%) Management Information System
7 4 (1.65%) Clustering
7 4 (1.65%) Tandem
7 4 (1.65%) Mobile App
8 3 (1.23%) Freedom of Information
8 3 (1.23%) IPTV
8 3 (1.23%) Freedom of Information Act
8 3 (1.23%) MPEG
9 2 (0.82%) STB
9 2 (0.82%) Data Integration
9 2 (0.82%) Digital Media
9 2 (0.82%) EqualLogic
Operating Systems
1 216 (88.89%) Linux
2 125 (51.44%) Ubuntu
3 75 (30.86%) Red Hat Enterprise Linux
4 46 (18.93%) Windows
5 39 (16.05%) UNIX
6 18 (7.41%) Windows Server 2012
7 16 (6.58%) Debian
8 10 (4.12%) Solaris
9 9 (3.70%) Windows 7
9 9 (3.70%) Windows 8
10 8 (3.29%) Fedora
11 5 (2.06%) Windows Server 2008
11 5 (2.06%) HPUX
11 5 (2.06%) Windows Server 2003
11 5 (2.06%) SUSE
12 4 (1.65%) Mac OS
13 3 (1.23%) Android
14 2 (0.82%) AIX
15 1 (0.41%) VMS
Processes & Methodologies
1 125 (51.44%) Continuous Integration
2 122 (50.21%) Agile Software Development
3 113 (46.50%) DevOps
4 68 (27.98%) TDD
5 63 (25.93%) Configuration Management
6 50 (20.58%) Continuous Delivery
7 47 (19.34%) Scrum
8 43 (17.70%) Microservices
9 32 (13.17%) Open Source
10 30 (12.35%) BDD
11 26 (10.70%) API Development
12 22 (9.05%) OWASP
13 15 (6.17%) Software Engineering
13 15 (6.17%) Build Automation
14 14 (5.76%) Migration
15 13 (5.35%) MVC
16 12 (4.94%) E-Commerce
17 11 (4.53%) SOA
17 11 (4.53%) Unit Testing
18 10 (4.12%) Validation
Programming Languages
1 104 (42.80%) Java
2 86 (35.39%) Bash Shell
3 64 (26.34%) Python
4 55 (22.63%) Ruby
4 55 (22.63%) Perl
5 51 (20.99%) PHP
6 45 (18.52%) JavaScript
7 33 (13.58%) SQL
7 33 (13.58%) Groovy
8 14 (5.76%) Shell Script
9 8 (3.29%) PowerShell
10 7 (2.88%) Scala
11 5 (2.06%) C++
12 4 (1.65%) Go
13 3 (1.23%) C
14 1 (0.41%) C#
14 1 (0.41%) VB
14 1 (0.41%) PL/SQL
Qualifications
1 80 (32.92%) Security Cleared
2 57 (23.46%) SC Cleared
3 9 (3.70%) RHCE
4 8 (3.29%) Degree
4 8 (3.29%) CCNA
4 8 (3.29%) Cisco Certification
5 6 (2.47%) DV Cleared
6 4 (1.65%) Microsoft Certification
7 3 (1.23%) MCSE
7 3 (1.23%) CCNP
7 3 (1.23%) JNCIA
7 3 (1.23%) JNCIS
8 2 (0.82%) CTC Cleared
9 1 (0.41%) VMware Certified Professional (VCP)
9 1 (0.41%) RHCSA
9 1 (0.41%) MCDST
9 1 (0.41%) MCTS
Quality Assurance & Compliance
1 20 (8.23%) QA
2 5 (2.06%) WAI
3 1 (0.41%) SLA
3 1 (0.41%) PCI DSS
System Software
1 53 (21.81%) Docker
2 42 (17.28%) VMware Infrastructure
3 38 (15.64%) vCloud
4 25 (10.29%) Active Directory
5 14 (5.76%) VMware ESXi
6 12 (4.94%) Varnish
7 11 (4.53%) Squid
8 6 (2.47%) VirtualBox
8 6 (2.47%) Terminal Services
9 5 (2.06%) vSphere
10 4 (1.65%) NFS
11 3 (1.23%) VMware ESX
11 3 (1.23%) Snort
12 2 (0.82%) FreeRADIUS
12 2 (0.82%) Apache Flume
12 2 (0.82%) iptables
13 1 (0.41%) KVM
13 1 (0.41%) OpenSIPS
13 1 (0.41%) Xen
13 1 (0.41%) Samba
Systems Management
1 119 (48.97%) Puppet
2 65 (26.75%) Opscode Chef
3 57 (23.46%) Ansible
4 52 (21.40%) ZABBIX
5 37 (15.23%) Salt
6 33 (13.58%) Rundeck
7 31 (12.76%) logstash
8 29 (11.93%) HAProxy
9 28 (11.52%) Kibana
10 19 (7.82%) Vagrant
11 17 (7.00%) Nagios
12 4 (1.65%) Cacti
12 4 (1.65%) HP Quality Center
12 4 (1.65%) yum
12 4 (1.65%) Kubernetes
13 3 (1.23%) Zenoss
14 2 (0.82%) Nessus
14 2 (0.82%) Tivoli Storage Manager
14 2 (0.82%) Red Hat Satellite
15 1 (0.41%) Tivoli
Vendors
1 120 (49.38%) Red Hat
2 82 (33.74%) VMware
3 22 (9.05%) Google
4 21 (8.64%) Oracle
5 17 (7.00%) Cisco
5 17 (7.00%) Microsoft
6 15 (6.17%) Splunk
7 13 (5.35%) Twitter
8 11 (4.53%) Atlassian
8 11 (4.53%) Dell
9 10 (4.12%) Citrix
9 10 (4.12%) Pega
9 10 (4.12%) HP
10 9 (3.70%) Rackspace
11 7 (2.88%) Juniper
12 6 (2.47%) Apple
13 5 (2.06%) SaltStack
14 4 (1.65%) F5
14 4 (1.65%) New Relic
14 4 (1.65%) Sun
London
Spargonet Consulting Plc
Rate: £400 - £450 per day
Posted: 8 hours ago
London
Blue Personnel
Rate: From £450 to £500 per day
Posted: Yesterday
London
ClearCube Consulting
Rate: From £450 to £550 per day
Posted: 4 days ago
Isleworth, Middlesex
ICP Search
Rate: From £500 to £580 per day
Posted: 6 days ago
London
TEKsystems
Rate: £400 - £450 per annum
Posted: 6 days ago
London
Hydrogen Group
Rate: £300.00 - £400.00 per day
Posted: 6 days ago
London
McGregor Boyall
Rate: £300 - £400 per day
Posted: 6 days ago
London
Clear Cube Consulting
Rate: £450 - £550 per day
Posted: 8 days ago
London
Clear Cube Consulting
Rate: £450 - £550 per day
Posted: 8 days ago
London
JPNG Recruitment
Rate: £125 - £150 per day
Posted: 9 days ago
London
Real Staffing
Rate: £320 - £380 per day + competitive
Posted: 16 days ago