The table below looks at the statistics for CentOS skills in IT contracts advertised for the South West region. Included is a guide to the average contractor rates offered in IT contracts that have cited CentOS over the 3 months to 24 April 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
24 Apr 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 106 131 126
Rank change year-on-year
+25 -5
Contract jobs citing CentOS 34 13 1
As % of all contract IT jobs located in the South West 1.08% 0.40% 0.043%
As % of the Operating Systems category 5.14% 1.87% 0.18%
Number of daily rates quoted 21 13 1
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£375 £350 £450
Average daily rate % change year-on-year
+7.14% -22.13%
UK excluding London average daily rate £363 £375 £300
% change year-on-year
-3.33% +25.00%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - £35.00 £34.00
% change year-on-year
- +2.94%
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 South West region.

Operating Systems Category
South West
Contract IT job ads with a match in the
Operating Systems category
662 696 565
As % of all contract IT jobs located in the South West 21.07% 21.57% 24.05%
Number of daily rates quoted 328 358 290
Average daily rate £350 £350 £325
Average daily rate % change year-on-year
- +7.69%
90% offered a daily rate of more than £145 £148 £183
10% offered a daily rate of more than £471 £450 £500
UK excluding London average daily rate £345 £320 £320
% change year-on-year
+7.81% -
Number of hourly rates quoted 100 82 78
Average hourly rate £17.50 £14.00 £15.00
Average hourly rate % change year-on-year
+25.00% -6.66%
90% offered a hourly rate of more than £11.06 £11.00 £9.50
10% offered a hourly rate of more than £35.00 £30.00 £42.50
UK excluding London average hourly rate £15.50 £16.00 £16.00
% change year-on-year
-3.12% -

CentOS
Jobs Demand Trend in the South West

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

CentOS Jobs Demand Trend in the South West

CentOS
Daily Rate Trend in the South West

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

CentOS Daily Rate Trend in the South West

CentOS
Daily Rate Histogram in the South West

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the South West region over the 3 months to 24 April 2015.

CentOS Daily Rate Histogram in the South West

CentOS
Hourly Rate Trend in the South West

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

CentOS Hourly Rate Trend in the South West

CentOS
Contract Job Locations in the South West

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing CentOS within the South West region over the 3 months to 24 April 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
Bristol +24 31 £375 +7.14% 6
Gloucestershire -12 2 £450 +5.88% 1
Wiltshire - 1 £425 - 2
CentOS
England

CentOS
Top 30 Related IT Skills in the South West

For the 6 months to 24 April 2015, IT contractor jobs across the South West 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 79 (98.75%) Linux
2 60 (75.00%) Apache
3 56 (70.00%) MySQL
4 55 (68.75%) Continuous Integration
5 52 (65.00%) Git (software)
6 50 (62.50%) PHP
7 42 (52.50%) Agile Software Development
8 37 (46.25%) jQuery
9 36 (45.00%) JavaScript
10 35 (43.75%) HTML
10 35 (43.75%) Zend
10 35 (43.75%) Puppet
11 34 (42.50%) HTML5
11 34 (42.50%) Doctrine
12 33 (41.25%) PHPUnit
12 33 (41.25%) Zend Framework
13 32 (40.00%) Software Engineering
14 29 (36.25%) Automated Testing
15 28 (35.00%) Mentoring
16 27 (33.75%) Red Hat
17 26 (32.50%) Refactoring
18 24 (30.00%) Finance
18 24 (30.00%) Java
19 22 (27.50%) Python
19 22 (27.50%) Subversion
20 21 (26.25%) Jenkins
21 20 (25.00%) DevOps
21 20 (25.00%) Windows
22 18 (22.50%) VMware
22 18 (22.50%) Debian

CentOS
Top Related IT Skills in the South West by Category

For the 6 months to 24 April 2015, IT contractor jobs across the South West 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 60 (75.00%) Apache
2 15 (18.75%) nginx
3 12 (15.00%) Confluence
3 12 (15.00%) MediaWiki
4 8 (10.00%) Tomcat
4 8 (10.00%) JBoss
5 6 (7.50%) SharePoint
5 6 (7.50%) IIS
5 6 (7.50%) WebSphere
6 3 (3.75%) OpenStack
6 3 (3.75%) Elasticsearch
7 2 (2.50%) Drupal
8 1 (1.25%) Node.js
8 1 (1.25%) WordPress
Business Applications
1 3 (3.75%) SAP Oil and Gas
Cloud Services
1 9 (11.25%) Amazon AWS
2 5 (6.25%) Amazon EC2
2 5 (6.25%) SaaS
3 3 (3.75%) Amazon S3
3 3 (3.75%) Cloud Computing
4 1 (1.25%) Virtual Private Cloud
4 1 (1.25%) Amazon ELB
4 1 (1.25%) Route 53
4 1 (1.25%) PaaS
Communications & Networking
1 15 (18.75%) Firewall
2 12 (15.00%) LDAP
2 12 (15.00%) VPN
3 11 (13.75%) LAN
3 11 (13.75%) WAN
4 8 (10.00%) IPsec
4 8 (10.00%) IPv6
4 8 (10.00%) EIGRP
4 8 (10.00%) OSPF
4 8 (10.00%) BGP
4 8 (10.00%) Network Security
5 6 (7.50%) DNS
6 2 (2.50%) Wireless
7 1 (1.25%) Reverse Proxy
7 1 (1.25%) VLAN
Database & Business Intelligence
1 56 (70.00%) MySQL
2 12 (15.00%) PostgreSQL
3 6 (7.50%) SQL Server
3 6 (7.50%) Relational Database
4 3 (3.75%) NoSQL
5 1 (1.25%) Hazelcast
5 1 (1.25%) Amazon RDS
5 1 (1.25%) Big Data
Development Applications
1 52 (65.00%) Git (software)
2 33 (41.25%) PHPUnit
3 22 (27.50%) Subversion
4 21 (26.25%) Jenkins
5 16 (20.00%) Hudson
6 12 (15.00%) JIRA
7 3 (3.75%) Maven
General
1 24 (30.00%) Finance
2 5 (6.25%) Marketing
3 4 (5.00%) Telecoms
4 3 (3.75%) Manufacturing
4 3 (3.75%) Electronics
5 2 (2.50%) Retail
Job Titles
1 25 (31.25%) Developer
2 21 (26.25%) PHP Developer
3 18 (22.50%) Administrator
4 17 (21.25%) Linux Administrator
5 16 (20.00%) DevOps Engineer
6 15 (18.75%) Software Engineer
7 10 (12.50%) Senior Software Engineer
7 10 (12.50%) Linux DevOps Engineer
8 8 (10.00%) Systems Administrator
8 8 (10.00%) Linux Systems Administrator
8 8 (10.00%) Linux Engineer
9 7 (8.75%) Infrastructure Engineer
9 7 (8.75%) Systems Engineer
10 6 (7.50%) PHP Zend Developer
11 4 (5.00%) Designer
12 3 (3.75%) Project Manager
13 2 (2.50%) Linux Specialist
13 2 (2.50%) Linux Support
13 2 (2.50%) Java Developer
13 2 (2.50%) Network Administrator
Libraries, Frameworks & Software Standards
1 37 (46.25%) jQuery
2 35 (43.75%) HTML
3 34 (42.50%) HTML5
3 34 (42.50%) Doctrine
4 33 (41.25%) Zend Framework
5 7 (8.75%) LAMP
6 3 (3.75%) RESTful
6 3 (3.75%) CSS
6 3 (3.75%) XML
6 3 (3.75%) Spring
7 2 (2.50%) Servlets
8 1 (1.25%) React
8 1 (1.25%) AngularJS
8 1 (1.25%) Laravel
8 1 (1.25%) Memcached
8 1 (1.25%) Symfony
8 1 (1.25%) Django
8 1 (1.25%) ActiveMQ
Miscellaneous
1 12 (15.00%) Wiki
2 7 (8.75%) Clustering
3 3 (3.75%) DTV
4 1 (1.25%) Analytical Skills
4 1 (1.25%) Open Source
4 1 (1.25%) Animation
4 1 (1.25%) Derivative
Operating Systems
1 79 (98.75%) Linux
2 20 (25.00%) Windows
3 18 (22.50%) Debian
4 16 (20.00%) Red Hat Enterprise Linux
5 15 (18.75%) Ubuntu
6 12 (15.00%) Windows Server 2003
7 9 (11.25%) UNIX
8 4 (5.00%) Fedora
9 3 (3.75%) Windows Server 2012
9 3 (3.75%) VMS
10 2 (2.50%) Solaris
10 2 (2.50%) Amazon Linux
11 1 (1.25%) Oracle Linux
11 1 (1.25%) Windows 7
Processes & Methodologies
1 55 (68.75%) Continuous Integration
2 42 (52.50%) Agile Software Development
3 32 (40.00%) Software Engineering
4 29 (36.25%) Automated Testing
5 28 (35.00%) Mentoring
6 26 (32.50%) Refactoring
7 20 (25.00%) DevOps
8 17 (21.25%) Configuration Management
9 11 (13.75%) Build Automation
10 9 (11.25%) Capacity Planning
10 9 (11.25%) Disaster Recovery
11 7 (8.75%) Load Balancing
12 6 (7.50%) Data Modelling
12 6 (7.50%) Database Theory
12 6 (7.50%) Relational Database Theory
13 5 (6.25%) Scrum
14 4 (5.00%) TDD
15 3 (3.75%) Change Control
15 3 (3.75%) Business Intelligence
15 3 (3.75%) User Acceptance Testing
Programming Languages
1 50 (62.50%) PHP
2 36 (45.00%) JavaScript
3 24 (30.00%) Java
4 22 (27.50%) Python
5 17 (21.25%) Ruby
5 17 (21.25%) SQL
6 16 (20.00%) Bash Shell
7 12 (15.00%) Perl
8 3 (3.75%) PHP5
9 1 (1.25%) Shell Script
9 1 (1.25%) Groovy
Qualifications
1 6 (7.50%) CCNA
1 6 (7.50%) Cisco Certification
2 4 (5.00%) Security Cleared
3 3 (3.75%) DV Cleared
4 1 (1.25%) SC Cleared
4 1 (1.25%) RHCT
System Software
1 16 (20.00%) Samba
2 15 (18.75%) Postfix
3 12 (15.00%) iptables
4 10 (12.50%) Active Directory
4 10 (12.50%) VMware Infrastructure
5 9 (11.25%) XenServer
6 3 (3.75%) vCloud
6 3 (3.75%) Xen
7 1 (1.25%) Varnish
7 1 (1.25%) NFS
Systems Management
1 35 (43.75%) Puppet
2 15 (18.75%) Opscode Chef
2 15 (18.75%) ZABBIX
3 11 (13.75%) Salt
4 8 (10.00%) Ansible
4 8 (10.00%) SELinux
5 7 (8.75%) yum
6 3 (3.75%) Red Hat Satellite
6 3 (3.75%) Ganeti
6 3 (3.75%) logstash
6 3 (3.75%) Bcfg2
7 1 (1.25%) Vagrant
7 1 (1.25%) Nagios
Vendors
1 35 (43.75%) Zend
2 27 (33.75%) Red Hat
3 18 (22.50%) VMware
4 9 (11.25%) Citrix
5 3 (3.75%) SAP
6 2 (2.50%) Microsoft
7 1 (1.25%) Oracle