The table below looks at the statistics for CentOS skills in IT contracts advertised for the Bristol region. Included is a guide to the average contractor rates offered in IT contracts that have cited CentOS over the 3 months to 20 August 2014 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
20 Aug 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 24 50 -
Rank change year-on-year
+26 -
Contract jobs citing CentOS 54 2 0
As % of all contract IT jobs located in Bristol 6.51% 0.33% -
As % of the Operating Systems category 37.24% 2.08% -
Number of daily rates quoted 47 1 0
Average daily rate
Keep up to 90%
of your Daily Rate
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£388 £325 -
Average daily rate % change year-on-year
+19.23% -
UK excluding London average daily rate £375 £350 £300
% change year-on-year
+7.14% +16.66%
Number of hourly rates quoted 0 1 0
Average hourly rate - £45.00 -
UK excluding London average hourly rate £18.75 £36.00 £21.00
% change year-on-year
-47.91% +71.42%
CentOS
South West

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

Operating Systems Category
Bristol
Contract IT job ads with a match in the
Operating Systems category
145 96 153
As % of all contract IT jobs located in Bristol 17.47% 16.00% 16.89%
Number of daily rates quoted 114 47 72
Average daily rate £375 £313 £263
Average daily rate % change year-on-year
+20.00% +19.04%
90% offered a daily rate of more than £200 £225 £175
10% offered a daily rate of more than £425 £448 £393
UK excluding London average daily rate £320 £325 £320
% change year-on-year
-1.53% +1.56%
Number of hourly rates quoted 9 24 23
Average hourly rate £15.00 £13.00 £25.00
Average hourly rate % change year-on-year
+15.38% -48.00%
90% offered a hourly rate of more than £14.50 £11.50 £12.50
10% offered a hourly rate of more than £22.00 £27.94 £47.50
UK excluding London average hourly rate £15.50 £16.00 £17.50
% change year-on-year
-3.12% -8.57%

CentOS
Jobs Demand Trend in Bristol

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

CentOS Jobs Demand Trend in Bristol

CentOS
Daily Rate Trend in Bristol

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

CentOS Daily Rate Trend in Bristol

CentOS
Daily Rate Histogram in Bristol

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the Bristol region over the 3 months to 20 August 2014.

CentOS Daily Rate Histogram in Bristol

CentOS
Hourly Rate Trend in Bristol

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

CentOS Hourly Rate Trend in Bristol

CentOS
Top 30 Related IT Skills in Bristol

For the 6 months to 20 August 2014, IT contractor jobs across the Bristol 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 70 (98.59%) Linux
2 63 (88.73%) PHP
3 50 (70.42%) MySQL
4 49 (69.01%) Red Hat
5 44 (61.97%) Apache
5 44 (61.97%) Agile Software Development
6 39 (54.93%) Continuous Integration
7 34 (47.89%) Ruby
7 34 (47.89%) LAMP
8 31 (43.66%) jQuery
9 28 (39.44%) Puppet
9 28 (39.44%) DevOps
10 26 (36.62%) Zend
11 25 (35.21%) Python
11 25 (35.21%) Opscode Chef
12 24 (33.80%) Java
13 23 (32.39%) Zend Framework
13 23 (32.39%) Ubuntu
14 22 (30.99%) HTML5
14 22 (30.99%) HTML
15 21 (29.58%) VMware
15 21 (29.58%) JavaScript
15 21 (29.58%) PHPUnit
16 20 (28.17%) Samba
17 18 (25.35%) Debian
17 18 (25.35%) Firewall
17 18 (25.35%) Perl
17 18 (25.35%) Bash Shell
17 18 (25.35%) XenServer
17 18 (25.35%) VMware Infrastructure

CentOS
Top Related IT Skills in Bristol by Category

For the 6 months to 20 August 2014, IT contractor jobs across the Bristol 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 44 (61.97%) Apache
2 16 (22.54%) nginx
3 6 (8.45%) Tomcat
3 6 (8.45%) MediaWiki
3 6 (8.45%) Confluence
4 3 (4.23%) Drupal
4 3 (4.23%) Moodle
Business Applications
1 5 (7.04%) SAP Oil and Gas
2 3 (4.23%) Magento
2 3 (4.23%) Shopify
Cloud Services
1 16 (22.54%) Amazon EC2
1 16 (22.54%) Amazon AWS
2 10 (14.08%) Amazon S3
3 6 (8.45%) SaaS
3 6 (8.45%) Cloud Computing
Communications & Networking
1 18 (25.35%) Firewall
2 15 (21.13%) LAN
2 15 (21.13%) WAN
2 15 (21.13%) VPN
3 12 (16.90%) LDAP
4 6 (8.45%) IPsec
4 6 (8.45%) EIGRP
4 6 (8.45%) OSPF
4 6 (8.45%) BGP
4 6 (8.45%) IPv6
4 6 (8.45%) Network Security
Database & Business Intelligence
1 50 (70.42%) MySQL
2 10 (14.08%) Relational Database
3 9 (12.68%) PostgreSQL
4 4 (5.63%) RDBMS
5 3 (4.23%) Hazelcast
Development Applications
1 21 (29.58%) PHPUnit
2 12 (16.90%) Git (software)
3 9 (12.68%) Jenkins
3 9 (12.68%) Hudson
4 6 (8.45%) Subversion
4 6 (8.45%) JIRA
5 1 (1.41%) FitNesse
General
1 10 (14.08%) Finance
2 5 (7.04%) Marketing
2 5 (7.04%) Electronics
2 5 (7.04%) Telecoms
2 5 (7.04%) Manufacturing
Job Titles
1 29 (40.85%) Developer
2 22 (30.99%) PHP Developer
3 18 (25.35%) DevOps Engineer
4 15 (21.13%) Linux Engineer
4 15 (21.13%) Linux DevOps Engineer
5 10 (14.08%) Designer
6 7 (9.86%) Java Developer
6 7 (9.86%) Software Engineer
7 5 (7.04%) PHP Zend Developer
8 4 (5.63%) Administrator
8 4 (5.63%) Linux Administrator
9 3 (4.23%) Architect
9 3 (4.23%) Systems Administrator
9 3 (4.23%) Software Architect
9 3 (4.23%) Systems Engineer
9 3 (4.23%) Linux Systems Administrator
10 2 (2.82%) Systems Support
10 2 (2.82%) Infrastructure Technician
10 2 (2.82%) PHP MySQL Developer
11 1 (1.41%) IT Technician
Libraries, Frameworks & Software Standards
1 34 (47.89%) LAMP
2 31 (43.66%) jQuery
3 23 (32.39%) Zend Framework
4 22 (30.99%) HTML5
4 22 (30.99%) HTML
5 13 (18.31%) Web Services
6 9 (12.68%) Spring
7 7 (9.86%) CSS
8 6 (8.45%) Servlets
9 3 (4.23%) RESTful
9 3 (4.23%) ActiveMQ
10 1 (1.41%) CSS3
Miscellaneous
1 10 (14.08%) Open Source
2 6 (8.45%) Wiki
3 5 (7.04%) DTV
4 4 (5.63%) Animation
5 3 (4.23%) Computer Science
5 3 (4.23%) VLE
6 1 (1.41%) Clustering
Operating Systems
1 70 (98.59%) Linux
2 23 (32.39%) Ubuntu
3 18 (25.35%) Debian
4 14 (19.72%) Windows
5 10 (14.08%) UNIX
5 10 (14.08%) Fedora
6 8 (11.27%) Red Hat Enterprise Linux
7 7 (9.86%) Windows 7
8 6 (8.45%) Windows Server 2003
9 3 (4.23%) Scientific Linux
Processes & Methodologies
1 44 (61.97%) Agile Software Development
2 39 (54.93%) Continuous Integration
3 28 (39.44%) DevOps
4 16 (22.54%) Software Engineering
5 12 (16.90%) Build Automation
6 11 (15.49%) Load Balancing
7 10 (14.08%) Configuration Management
7 10 (14.08%) Scrum
8 6 (8.45%) TDD
8 6 (8.45%) Disaster Recovery
8 6 (8.45%) E-Commerce
8 6 (8.45%) Data Modelling
8 6 (8.45%) Capacity Planning
8 6 (8.45%) Automated Testing
8 6 (8.45%) Refactoring
9 5 (7.04%) Programme Management
9 5 (7.04%) Digital Marketing
9 5 (7.04%) Business Intelligence
10 3 (4.23%) Unit Testing
11 1 (1.41%) Time Management
Programming Languages
1 63 (88.73%) PHP
2 34 (47.89%) Ruby
3 25 (35.21%) Python
4 24 (33.80%) Java
5 21 (29.58%) JavaScript
6 18 (25.35%) Perl
6 18 (25.35%) Bash Shell
7 11 (15.49%) PHP5
8 10 (14.08%) SQL
9 6 (8.45%) Shell Script
Qualifications
1 4 (5.63%) Cisco Certification
1 4 (5.63%) CCNA
2 3 (4.23%) Degree
2 3 (4.23%) SC Cleared
2 3 (4.23%) Security Cleared
System Software
1 20 (28.17%) Samba
2 18 (25.35%) XenServer
2 18 (25.35%) VMware Infrastructure
3 11 (15.49%) NFS
4 9 (12.68%) Postfix
5 3 (4.23%) Xen
5 3 (4.23%) Sendmail
5 3 (4.23%) Active Directory
5 3 (4.23%) KVM
Systems Management
1 28 (39.44%) Puppet
2 25 (35.21%) Opscode Chef
3 15 (21.13%) Salt
4 10 (14.08%) Nagios
4 10 (14.08%) Cacti
5 6 (8.45%) ZABBIX
Vendors
1 49 (69.01%) Red Hat
2 26 (36.62%) Zend
3 21 (29.58%) VMware
4 10 (14.08%) Percona
5 9 (12.68%) Citrix
6 5 (7.04%) SAP
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Kainos Software
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