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 26 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
26 Jan 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 39 63 -
Rank change year-on-year
+24 -
Contract jobs citing CentOS 33 1 0
As % of all contract IT jobs located in Bristol 3.84% 0.13% -
As % of the Operating Systems category 23.40% 0.93% -
Number of daily rates quoted 32 1 0
Average daily rate
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of your Daily Rate
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£425 £350 -
Average daily rate % change year-on-year
+21.42% -
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
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
141 108 126
As % of all contract IT jobs located in Bristol 16.41% 13.83% 19.84%
Number of daily rates quoted 109 57 67
Average daily rate £400 £350 £300
Average daily rate % change year-on-year
+14.28% +16.66%
90% offered a daily rate of more than £140 £140 £173
10% offered a daily rate of more than £470 £450 £375
UK excluding London average daily rate £334 £308 £325
% change year-on-year
+8.61% -5.38%
Number of hourly rates quoted 9 18 17
Average hourly rate £15.50 £13.50 £12.50
Average hourly rate % change year-on-year
+14.81% +8.00%
90% offered a hourly rate of more than £11.00 £11.00 £10.20
10% offered a hourly rate of more than £16.50 £15.50 £37.50
UK excluding London average hourly rate £15.73 £15.00 £17.50
% change year-on-year
+4.83% -14.28%

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 26 January 2015.

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 26 January 2015, 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 90 (100.00%) Linux
2 86 (95.56%) PHP
3 82 (91.11%) Apache
4 80 (88.89%) Continuous Integration
5 78 (86.67%) Agile Software Development
6 75 (83.33%) MySQL
7 65 (72.22%) jQuery
8 61 (67.78%) HTML5
8 61 (67.78%) Zend
8 61 (67.78%) HTML
8 61 (67.78%) JavaScript
9 60 (66.67%) PHPUnit
9 60 (66.67%) Doctrine
10 58 (64.44%) Zend Framework
11 50 (55.56%) Git (software)
12 47 (52.22%) Software Engineering
13 37 (41.11%) Finance
14 36 (40.00%) Automated Testing
14 36 (40.00%) Refactoring
15 35 (38.89%) Mentoring
16 27 (30.00%) Red Hat
17 25 (27.78%) LAMP
17 25 (27.78%) Ruby
18 24 (26.67%) Puppet
18 24 (26.67%) DevOps
19 23 (25.56%) Opscode Chef
20 22 (24.44%) Java
21 19 (21.11%) Jenkins
22 18 (20.00%) Bash Shell
22 18 (20.00%) Samba

CentOS
Top Related IT Skills in Bristol by Category

For the 6 months to 26 January 2015, 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 82 (91.11%) Apache
2 9 (10.00%) nginx
3 6 (6.67%) Confluence
3 6 (6.67%) MediaWiki
3 6 (6.67%) Tomcat
4 2 (2.22%) Drupal
Business Applications
1 4 (4.44%) SAP Oil and Gas
Cloud Services
1 11 (12.22%) Amazon AWS
2 9 (10.00%) Amazon EC2
3 5 (5.56%) Amazon S3
3 5 (5.56%) SaaS
4 4 (4.44%) Cloud Computing
5 1 (1.11%) PaaS
Communications & Networking
1 17 (18.89%) LDAP
1 17 (18.89%) Firewall
2 16 (17.78%) LAN
2 16 (17.78%) WAN
3 6 (6.67%) VPN
4 5 (5.56%) IPv6
4 5 (5.56%) OSPF
4 5 (5.56%) BGP
4 5 (5.56%) EIGRP
4 5 (5.56%) IPsec
4 5 (5.56%) Network Security
5 1 (1.11%) Reverse Proxy
5 1 (1.11%) Internet
5 1 (1.11%) TCP/IP
Database & Business Intelligence
1 75 (83.33%) MySQL
2 6 (6.67%) PostgreSQL
3 5 (5.56%) Relational Database
4 1 (1.11%) Hazelcast
4 1 (1.11%) Amazon RDS
Development Applications
1 60 (66.67%) PHPUnit
2 50 (55.56%) Git (software)
3 19 (21.11%) Jenkins
4 17 (18.89%) Hudson
5 6 (6.67%) Subversion
5 6 (6.67%) JIRA
General
1 37 (41.11%) Finance
2 6 (6.67%) Marketing
3 5 (5.56%) Telecoms
4 4 (4.44%) Electronics
4 4 (4.44%) Manufacturing
5 2 (2.22%) Retail
Job Titles
1 51 (56.67%) Developer
2 46 (51.11%) PHP Developer
3 28 (31.11%) PHP Zend Developer
4 20 (22.22%) DevOps Engineer
4 20 (22.22%) Software Engineer
5 13 (14.44%) Linux DevOps Engineer
6 5 (5.56%) Designer
7 4 (4.44%) Java Developer
8 3 (3.33%) Senior PHP Developer
8 3 (3.33%) Senior Developer
9 1 (1.11%) Infrastructure Engineer
9 1 (1.11%) Web Developer
9 1 (1.11%) Web Infrastructure Engineer
9 1 (1.11%) Web Engineer
9 1 (1.11%) IT Support
9 1 (1.11%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 65 (72.22%) jQuery
2 61 (67.78%) HTML5
2 61 (67.78%) HTML
3 60 (66.67%) Doctrine
4 58 (64.44%) Zend Framework
5 25 (27.78%) LAMP
6 6 (6.67%) CSS
7 4 (4.44%) Servlets
7 4 (4.44%) Spring
8 3 (3.33%) Web Services
9 2 (2.22%) CSS3
10 1 (1.11%) Memcached
10 1 (1.11%) ActiveMQ
Miscellaneous
1 6 (6.67%) Wiki
2 4 (4.44%) DTV
3 3 (3.33%) Open Source
4 1 (1.11%) Clustering
4 1 (1.11%) Animation
Operating Systems
1 90 (100.00%) Linux
2 17 (18.89%) Ubuntu
3 7 (7.78%) Windows
4 6 (6.67%) Windows Server 2003
4 6 (6.67%) Debian
4 6 (6.67%) Fedora
5 3 (3.33%) UNIX
6 2 (2.22%) Red Hat Enterprise Linux
6 2 (2.22%) Amazon Linux
7 1 (1.11%) Windows 7
Processes & Methodologies
1 80 (88.89%) Continuous Integration
2 78 (86.67%) Agile Software Development
3 47 (52.22%) Software Engineering
4 36 (40.00%) Refactoring
4 36 (40.00%) Automated Testing
5 35 (38.89%) Mentoring
6 24 (26.67%) DevOps
7 8 (8.89%) Scrum
8 6 (6.67%) TDD
8 6 (6.67%) Disaster Recovery
8 6 (6.67%) Capacity Planning
9 5 (5.56%) Build Automation
9 5 (5.56%) Database Theory
9 5 (5.56%) Relational Database Theory
9 5 (5.56%) Configuration Management
9 5 (5.56%) Data Modelling
10 4 (4.44%) Business Intelligence
10 4 (4.44%) E-Commerce
10 4 (4.44%) Programme Management
10 4 (4.44%) Load Balancing
Programming Languages
1 86 (95.56%) PHP
2 61 (67.78%) JavaScript
3 25 (27.78%) Ruby
4 22 (24.44%) Java
5 18 (20.00%) Bash Shell
6 17 (18.89%) Perl
7 16 (17.78%) SQL
8 9 (10.00%) Python
9 5 (5.56%) PHP5
10 1 (1.11%) Groovy
Qualifications
1 11 (12.22%) CCNA
1 11 (12.22%) Cisco Certification
1 11 (12.22%) SC Cleared
1 11 (12.22%) Security Cleared
System Software
1 18 (20.00%) Samba
2 17 (18.89%) XenServer
3 7 (7.78%) VMware Infrastructure
4 6 (6.67%) Postfix
5 1 (1.11%) NFS
5 1 (1.11%) Active Directory
5 1 (1.11%) Varnish
Systems Management
1 24 (26.67%) Puppet
2 23 (25.56%) Opscode Chef
3 16 (17.78%) Salt
4 6 (6.67%) ZABBIX
5 3 (3.33%) Cacti
5 3 (3.33%) Nagios
6 2 (2.22%) Ansible
Vendors
1 61 (67.78%) Zend
2 27 (30.00%) Red Hat
3 18 (20.00%) VMware
4 17 (18.89%) Citrix
5 4 (4.44%) SAP
6 3 (3.33%) Percona
7 1 (1.11%) Rackspace
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