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 22 October 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
22 Oct 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 25 47 70
Rank change year-on-year
+22 +23
Contract jobs citing CentOS 56 3 1
As % of all contract IT jobs located in Bristol 5.61% 0.50% 0.11%
As % of the Operating Systems category 25.93% 3.00% 0.55%
Number of daily rates quoted 48 2 0
Average daily rate
Keep up to 90%
of your Daily Rate
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£400 £325 -
Average daily rate % change year-on-year
+23.07% -
UK excluding London average daily rate £388 £363 £315
% change year-on-year
+6.89% +15.07%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - £32.50 £21.00
% change year-on-year
- +54.76%
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
216 100 182
As % of all contract IT jobs located in Bristol 21.64% 16.64% 19.93%
Number of daily rates quoted 139 42 81
Average daily rate £375 £300 £275
Average daily rate % change year-on-year
+25.00% +9.09%
90% offered a daily rate of more than £157 £163 £155
10% offered a daily rate of more than £450 £425 £409
UK excluding London average daily rate £325 £320 £325
% change year-on-year
+1.56% -1.53%
Number of hourly rates quoted 30 34 25
Average hourly rate £14.00 £12.50 £25.00
Average hourly rate % change year-on-year
+12.00% -50.00%
90% offered a hourly rate of more than £11.00 £11.50 £12.00
10% offered a hourly rate of more than £21.50 £15.90 £47.50
UK excluding London average hourly rate £16.16 £15.00 £17.00
% change year-on-year
+7.73% -11.76%

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 22 October 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 22 October 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.

1 106 (100.00%) Linux
2 98 (92.45%) PHP
3 80 (75.47%) Agile Software Development
4 79 (74.53%) Apache
5 77 (72.64%) MySQL
6 76 (71.70%) Continuous Integration
7 59 (55.66%) jQuery
8 57 (53.77%) Red Hat
9 52 (49.06%) Zend
10 49 (46.23%) PHPUnit
10 49 (46.23%) HTML5
10 49 (46.23%) HTML
10 49 (46.23%) JavaScript
11 47 (44.34%) Zend Framework
12 44 (41.51%) LAMP
13 43 (40.57%) Ruby
14 36 (33.96%) Puppet
14 36 (33.96%) DevOps
15 34 (32.08%) Software Engineering
16 33 (31.13%) Opscode Chef
17 31 (29.25%) Ubuntu
18 30 (28.30%) Git (software)
19 29 (27.36%) VMware
20 28 (26.42%) Samba
21 27 (25.47%) Perl
21 27 (25.47%) Bash Shell
22 26 (24.53%) XenServer
22 26 (24.53%) Java
22 26 (24.53%) Python
22 26 (24.53%) Firewall

CentOS
Top Related IT Skills in Bristol by Category

For the 6 months to 22 October 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 79 (74.53%) Apache
2 15 (14.15%) nginx
3 8 (7.55%) Tomcat
4 6 (5.66%) Confluence
4 6 (5.66%) MediaWiki
5 3 (2.83%) Drupal
5 3 (2.83%) Moodle
Business Applications
1 5 (4.72%) SAP Oil and Gas
2 3 (2.83%) Magento
2 3 (2.83%) Shopify
Cloud Services
1 17 (16.04%) Amazon AWS
2 16 (15.09%) Amazon EC2
3 9 (8.49%) Amazon S3
4 7 (6.60%) Cloud Computing
4 7 (6.60%) SaaS
5 1 (0.94%) PaaS
Communications & Networking
1 26 (24.53%) Firewall
2 23 (21.70%) LAN
2 23 (21.70%) WAN
3 20 (18.87%) LDAP
4 15 (14.15%) VPN
5 6 (5.66%) Network Security
5 6 (5.66%) IPv6
5 6 (5.66%) IPsec
5 6 (5.66%) OSPF
5 6 (5.66%) BGP
5 6 (5.66%) EIGRP
6 1 (0.94%) Internet
6 1 (0.94%) TCP/IP
Database & Business Intelligence
1 77 (72.64%) MySQL
2 9 (8.49%) PostgreSQL
2 9 (8.49%) Relational Database
3 3 (2.83%) RDBMS
3 3 (2.83%) Hazelcast
Development Applications
1 49 (46.23%) PHPUnit
2 30 (28.30%) Git (software)
3 17 (16.04%) Jenkins
3 17 (16.04%) Hudson
4 6 (5.66%) Subversion
4 6 (5.66%) JIRA
General
1 23 (21.70%) Finance
2 5 (4.72%) Electronics
2 5 (4.72%) Telecoms
2 5 (4.72%) Manufacturing
2 5 (4.72%) Marketing
Job Titles
1 49 (46.23%) Developer
2 41 (38.68%) PHP Developer
3 27 (25.47%) DevOps Engineer
4 24 (22.64%) Linux DevOps Engineer
5 22 (20.75%) PHP Zend Developer
6 17 (16.04%) Software Engineer
7 15 (14.15%) Linux Engineer
8 10 (9.43%) Designer
9 8 (7.55%) Java Developer
10 4 (3.77%) Linux Administrator
10 4 (3.77%) Administrator
11 3 (2.83%) Architect
11 3 (2.83%) Systems Administrator
11 3 (2.83%) Software Architect
11 3 (2.83%) Systems Engineer
11 3 (2.83%) Linux Systems Administrator
12 2 (1.89%) Infrastructure Technician
12 2 (1.89%) PHP MySQL Developer
12 2 (1.89%) Senior PHP Developer
12 2 (1.89%) Senior Developer
Libraries, Frameworks & Software Standards
1 59 (55.66%) jQuery
2 49 (46.23%) HTML5
2 49 (46.23%) HTML
3 47 (44.34%) Zend Framework
4 44 (41.51%) LAMP
5 12 (11.32%) Web Services
6 10 (9.43%) Spring
7 9 (8.49%) CSS
8 7 (6.60%) Servlets
9 3 (2.83%) ActiveMQ
9 3 (2.83%) RESTful
10 2 (1.89%) CSS3
Miscellaneous
1 9 (8.49%) Open Source
2 6 (5.66%) Wiki
3 5 (4.72%) DTV
4 4 (3.77%) Animation
5 3 (2.83%) VLE
5 3 (2.83%) Computer Science
5 3 (2.83%) Analytical Skills
6 1 (0.94%) Clustering
Operating Systems
1 106 (100.00%) Linux
2 31 (29.25%) Ubuntu
3 18 (16.98%) Debian
4 14 (13.21%) Windows
5 11 (10.38%) Fedora
6 9 (8.49%) UNIX
6 9 (8.49%) Red Hat Enterprise Linux
7 7 (6.60%) Windows 7
8 6 (5.66%) Windows Server 2003
9 3 (2.83%) Scientific Linux
Processes & Methodologies
1 80 (75.47%) Agile Software Development
2 76 (71.70%) Continuous Integration
3 36 (33.96%) DevOps
4 34 (32.08%) Software Engineering
5 20 (18.87%) Refactoring
5 20 (18.87%) Automated Testing
6 18 (16.98%) Mentoring
7 13 (12.26%) Scrum
8 12 (11.32%) Build Automation
9 10 (9.43%) Load Balancing
9 10 (9.43%) Configuration Management
10 9 (8.49%) TDD
11 7 (6.60%) E-Commerce
12 6 (5.66%) Capacity Planning
12 6 (5.66%) Data Modelling
12 6 (5.66%) Disaster Recovery
13 5 (4.72%) Business Intelligence
13 5 (4.72%) Digital Marketing
13 5 (4.72%) Programme Management
14 3 (2.83%) Unit Testing
Programming Languages
1 98 (92.45%) PHP
2 49 (46.23%) JavaScript
3 43 (40.57%) Ruby
4 27 (25.47%) Perl
4 27 (25.47%) Bash Shell
5 26 (24.53%) Java
5 26 (24.53%) Python
6 10 (9.43%) PHP5
7 9 (8.49%) SQL
8 6 (5.66%) Shell Script
Qualifications
1 12 (11.32%) Cisco Certification
1 12 (11.32%) CCNA
2 11 (10.38%) SC Cleared
2 11 (10.38%) Security Cleared
3 3 (2.83%) Degree
System Software
1 28 (26.42%) Samba
2 26 (24.53%) XenServer
3 18 (16.98%) VMware Infrastructure
4 11 (10.38%) NFS
5 9 (8.49%) Postfix
6 3 (2.83%) Active Directory
6 3 (2.83%) Xen
6 3 (2.83%) Sendmail
6 3 (2.83%) KVM
Systems Management
1 36 (33.96%) Puppet
2 33 (31.13%) Opscode Chef
3 23 (21.70%) Salt
4 9 (8.49%) Nagios
4 9 (8.49%) Cacti
5 6 (5.66%) ZABBIX
Vendors
1 57 (53.77%) Red Hat
2 52 (49.06%) Zend
3 29 (27.36%) VMware
4 17 (16.04%) Citrix
5 9 (8.49%) Percona
6 5 (4.72%) SAP
7 1 (0.94%) Rackspace
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Rate: £400 - £450 per day
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