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 29 January 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
29 Jan 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 97 118 121
Rank change year-on-year
+21 +3
Contract jobs citing CentOS 42 3 4
As % of all contract IT jobs located in the South West 1.34% 0.12% 0.16%
As % of the Operating Systems category 6.43% 0.58% 0.66%
Number of daily rates quoted 38 2 3
Average daily rate
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of your Daily Rate
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£400 £313 £400
Average daily rate % change year-on-year
+28.00% -21.87%
UK excluding London average daily rate £350 £400 £329
% change year-on-year
-12.50% +21.67%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £47.50 £23.75 £32.50
% change year-on-year
+100.00% -26.92%
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
653 514 609
As % of all contract IT jobs located in the South West 20.78% 20.64% 24.32%
Number of daily rates quoted 365 246 320
Average daily rate £350 £275 £358
Average daily rate % change year-on-year
+27.27% -23.07%
90% offered a daily rate of more than £150 £126 £190
10% offered a daily rate of more than £478 £425 £450
UK excluding London average daily rate £338 £305 £325
% change year-on-year
+10.65% -6.15%
Number of hourly rates quoted 85 75 85
Average hourly rate £20.00 £15.00 £20.00
Average hourly rate % change year-on-year
+33.33% -25.00%
90% offered a hourly rate of more than £11.00 £12.40 £11.84
10% offered a hourly rate of more than £39.90 £31.90 £40.00
UK excluding London average hourly rate £15.50 £15.00 £17.25
% change year-on-year
+3.33% -13.04%

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 29 January 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 29 January 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 +23 31 £413 +17.85% 8
Gloucestershire - 4 £450 - 1
Devon - 3 £240 -
Wiltshire -4 1 £245 - 1
Dorset - - - - 1
Somerset - - - -
CentOS
England

CentOS
Top 30 Related IT Skills in the South West

For the 6 months to 29 January 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.

1 107 (100.00%) Linux
2 94 (87.85%) Apache
3 88 (82.24%) PHP
4 86 (80.37%) Continuous Integration
5 82 (76.64%) Agile Software Development
6 76 (71.03%) MySQL
7 65 (60.75%) jQuery
8 61 (57.01%) Zend
8 61 (57.01%) HTML
8 61 (57.01%) JavaScript
8 61 (57.01%) HTML5
9 60 (56.07%) PHPUnit
9 60 (56.07%) Doctrine
10 58 (54.21%) Zend Framework
11 51 (47.66%) Git (software)
12 47 (43.93%) Software Engineering
13 39 (36.45%) Automated Testing
13 39 (36.45%) Finance
14 37 (34.58%) Red Hat
15 36 (33.64%) Refactoring
16 35 (32.71%) Mentoring
17 34 (31.78%) Puppet
17 34 (31.78%) Ruby
18 29 (27.10%) VMware
19 27 (25.23%) Opscode Chef
19 27 (25.23%) DevOps
19 27 (25.23%) Java
20 26 (24.30%) Bash Shell
21 24 (22.43%) Perl
21 24 (22.43%) LAMP

CentOS
Top Related IT Skills in the South West by Category

For the 6 months to 29 January 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 94 (87.85%) Apache
2 13 (12.15%) Tomcat
3 10 (9.35%) nginx
4 8 (7.48%) JBoss
5 7 (6.54%) MediaWiki
5 7 (6.54%) Confluence
6 6 (5.61%) WebSphere
7 3 (2.80%) IIS
7 3 (2.80%) OpenStack
7 3 (2.80%) Elasticsearch
8 2 (1.87%) Drupal
8 2 (1.87%) SharePoint
Applications
1 1 (0.93%) MS Excel
Business Applications
1 6 (5.61%) SAP Oil and Gas
Cloud Services
1 11 (10.28%) Amazon AWS
2 9 (8.41%) Amazon EC2
3 5 (4.67%) SaaS
3 5 (4.67%) Amazon S3
4 4 (3.74%) Cloud Computing
5 1 (0.93%) PaaS
Communications & Networking
1 19 (17.76%) LDAP
2 18 (16.82%) Firewall
3 17 (15.89%) LAN
3 17 (15.89%) WAN
4 7 (6.54%) VPN
5 6 (5.61%) OSPF
5 6 (5.61%) BGP
5 6 (5.61%) IPv6
5 6 (5.61%) EIGRP
5 6 (5.61%) IPsec
5 6 (5.61%) Network Security
6 5 (4.67%) TCP/IP
7 3 (2.80%) Internet
8 1 (0.93%) VLAN
8 1 (0.93%) Reverse Proxy
8 1 (0.93%) DNS
8 1 (0.93%) SNMP
8 1 (0.93%) SMTP
Database & Business Intelligence
1 76 (71.03%) MySQL
2 7 (6.54%) PostgreSQL
3 5 (4.67%) Relational Database
4 4 (3.74%) SQL Server
5 3 (2.80%) NoSQL
6 1 (0.93%) Big Data
6 1 (0.93%) Hazelcast
6 1 (0.93%) Amazon RDS
Development Applications
1 60 (56.07%) PHPUnit
2 51 (47.66%) Git (software)
3 23 (21.50%) Jenkins
4 18 (16.82%) Hudson
5 8 (7.48%) Subversion
6 7 (6.54%) JIRA
7 3 (2.80%) Maven
General
1 39 (36.45%) Finance
2 8 (7.48%) Marketing
3 7 (6.54%) Telecoms
4 6 (5.61%) Electronics
4 6 (5.61%) Manufacturing
5 2 (1.87%) Retail
Job Titles
1 51 (47.66%) Developer
2 46 (42.99%) PHP Developer
3 28 (26.17%) PHP Zend Developer
4 20 (18.69%) DevOps Engineer
4 20 (18.69%) Software Engineer
5 14 (13.08%) Linux DevOps Engineer
6 9 (8.41%) Administrator
7 8 (7.48%) Linux Administrator
8 5 (4.67%) Designer
9 4 (3.74%) Java Developer
10 3 (2.80%) Senior Developer
10 3 (2.80%) Senior PHP Developer
10 3 (2.80%) Project Manager
11 2 (1.87%) Cloud Solutions Architect
11 2 (1.87%) Cloud Architect
11 2 (1.87%) Architect
11 2 (1.87%) Solutions Architect
11 2 (1.87%) Consultant
11 2 (1.87%) Linux Consultant
11 2 (1.87%) Linux Specialist
Libraries, Frameworks & Software Standards
1 65 (60.75%) jQuery
2 61 (57.01%) HTML
2 61 (57.01%) HTML5
3 60 (56.07%) Doctrine
4 58 (54.21%) Zend Framework
5 24 (22.43%) LAMP
6 6 (5.61%) CSS
7 4 (3.74%) Servlets
7 4 (3.74%) Spring
8 3 (2.80%) Web Services
8 3 (2.80%) RESTful
9 2 (1.87%) CSS3
10 1 (0.93%) ActiveMQ
10 1 (0.93%) Memcached
Miscellaneous
1 7 (6.54%) Wiki
2 6 (5.61%) DTV
3 3 (2.80%) Clustering
3 3 (2.80%) Open Source
4 1 (0.93%) Animation
4 1 (0.93%) Analytical Skills
Operating Systems
1 107 (100.00%) Linux
2 18 (16.82%) Ubuntu
3 13 (12.15%) Red Hat Enterprise Linux
3 13 (12.15%) Windows
4 8 (7.48%) Fedora
5 7 (6.54%) Debian
5 7 (6.54%) Windows Server 2003
6 5 (4.67%) UNIX
7 2 (1.87%) Amazon Linux
7 2 (1.87%) Solaris
8 1 (0.93%) Windows 7
Processes & Methodologies
1 86 (80.37%) Continuous Integration
2 82 (76.64%) Agile Software Development
3 47 (43.93%) Software Engineering
4 39 (36.45%) Automated Testing
5 36 (33.64%) Refactoring
6 35 (32.71%) Mentoring
7 27 (25.23%) DevOps
8 11 (10.28%) Configuration Management
9 10 (9.35%) Scrum
10 7 (6.54%) Disaster Recovery
10 7 (6.54%) Capacity Planning
11 6 (5.61%) Build Automation
11 6 (5.61%) Business Intelligence
11 6 (5.61%) Programme Management
11 6 (5.61%) TDD
11 6 (5.61%) Load Balancing
11 6 (5.61%) Digital Marketing
12 5 (4.67%) Data Modelling
12 5 (4.67%) Database Theory
12 5 (4.67%) Relational Database Theory
Programming Languages
1 88 (82.24%) PHP
2 61 (57.01%) JavaScript
3 34 (31.78%) Ruby
4 27 (25.23%) Java
5 26 (24.30%) Bash Shell
6 24 (22.43%) Perl
7 18 (16.82%) Python
8 17 (15.89%) SQL
9 5 (4.67%) PHP5
10 1 (0.93%) Groovy
10 1 (0.93%) Shell Script
Qualifications
1 14 (13.08%) Security Cleared
2 13 (12.15%) Cisco Certification
2 13 (12.15%) CCNA
3 11 (10.28%) SC Cleared
4 3 (2.80%) DV Cleared
5 1 (0.93%) RHCT
5 1 (0.93%) Degree
Quality Assurance & Compliance
1 2 (1.87%) QA
System Software
1 19 (17.76%) Samba
2 18 (16.82%) XenServer
3 10 (9.35%) VMware Infrastructure
4 7 (6.54%) Postfix
5 3 (2.80%) Active Directory
5 3 (2.80%) vCloud
6 2 (1.87%) NFS
7 1 (0.93%) Squid
7 1 (0.93%) qmail
7 1 (0.93%) Varnish
Systems Management
1 34 (31.78%) Puppet
2 27 (25.23%) Opscode Chef
3 18 (16.82%) Salt
4 10 (9.35%) ZABBIX
5 8 (7.48%) SELinux
6 7 (6.54%) yum
7 5 (4.67%) Ansible
8 4 (3.74%) Nagios
9 3 (2.80%) Cacti
9 3 (2.80%) Red Hat Satellite
9 3 (2.80%) logstash
Vendors
1 61 (57.01%) Zend
2 37 (34.58%) Red Hat
3 29 (27.10%) VMware
4 18 (16.82%) Citrix
5 6 (5.61%) SAP
6 3 (2.80%) Percona
7 2 (1.87%) NetApp
7 2 (1.87%) Microsoft
8 1 (0.93%) Cisco
8 1 (0.93%) Rackspace
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