The table below looks at the statistics for CentOS skills in IT jobs advertised for the East of England region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 30 March 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
30 Mar 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 222 225 217
Rank change year-on-year
+3 -8
Permanent jobs citing CentOS 33 46 51
As % of all permanent IT jobs located in the East of England 0.45% 0.58% 0.61%
As % of the Operating Systems category 1.64% 1.91% 1.97%
Number of salaries quoted 33 44 49
Average salary £52,500 £41,250 £45,000
Average salary % change year-on-year
+27.27% -8.33%
90% offered a salary of more than £37,500 £26,500 £31,000
10% offered a salary of more than £55,000 £53,000 £53,000
UK excluding London average salary £42,000 £40,000 £36,500
% change year-on-year
+5.00% +9.58%
CentOS
England

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in permanent jobs advertised in the East of England region.

Operating Systems Category
East of England
Permanent IT job ads with a match in the
Operating Systems category
2007 2412 2587
As % of all permanent IT jobs located in the East of England 27.51% 30.28% 30.76%
Number of salaries quoted 1668 2027 2206
Average salary £40,000 £38,875 £38,000
Average salary % change year-on-year
+2.89% +2.30%
90% offered a salary of more than £22,050 £25,000 £25,000
10% offered a salary of more than £60,000 £55,000 £52,500
UK excluding London average salary £37,500 £37,500 £37,500

CentOS
Jobs Demand Trend in the East of England

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

CentOS Jobs Demand Trend in the East of England

CentOS
Salary Trend in the East of England

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing CentOS across the East of England region.

CentOS Salary Trend in the East of England

CentOS
Salary Histogram in the East of England

This chart provides a salary histogram for IT jobs citing CentOS across the East of England region over the 3 months to 30 March 2015.

CentOS Salary Histogram in the East of England

CentOS
Job Locations in the East of England

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing CentOS within the East of England region over the 3 months to 30 March 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
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Cambridgeshire +17 13 £50,000 +28.20% 5
Hertfordshire -10 13 £55,000 +15.18% 1
Essex +3 6 £55,000 +22.22%
Bedfordshire +22 1 £36,000 +2.85%
CentOS
England

CentOS
Top 30 Related IT Skills in the East of England

For the 6 months to 30 March 2015, IT jobs across the East of England 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 IT job ads sampled that cited CentOS.

1 49 (100.00%) Linux
2 27 (55.10%) Red Hat
3 24 (48.98%) Windows
3 24 (48.98%) MySQL
4 23 (46.94%) Perl
5 22 (44.90%) DNS
6 20 (40.82%) SQL
7 19 (38.78%) DHCP
8 18 (36.73%) Bash Shell
9 16 (32.65%) Finance
9 16 (32.65%) TCP/IP
9 16 (32.65%) UNIX
10 15 (30.61%) Apache
10 15 (30.61%) Java
11 14 (28.57%) Tomcat
12 13 (26.53%) Python
12 13 (26.53%) SAN
13 12 (24.49%) Telecoms
13 12 (24.49%) PostgreSQL
13 12 (24.49%) HP
14 11 (22.45%) SMTP
14 11 (22.45%) Oracle
14 11 (22.45%) Service Delivery
14 11 (22.45%) Ubuntu
15 9 (18.37%) Games
15 9 (18.37%) CMS
15 9 (18.37%) E-Commerce
15 9 (18.37%) FTP
15 9 (18.37%) HTTP
15 9 (18.37%) Cisco

CentOS
Top Related IT Skills in the East of England by Category

For the 6 months to 30 March 2015, IT jobs across the East of England 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 IT job ads sampled that cited CentOS. Up to 20 skills are shown per category.

Application Platforms
1 15 (30.61%) Apache
2 14 (28.57%) Tomcat
3 9 (18.37%) Oracle HTTP Server
3 9 (18.37%) CMS
4 3 (6.12%) Joomla!
4 3 (6.12%) WordPress
4 3 (6.12%) nginx
4 3 (6.12%) Moodle
4 3 (6.12%) JBoss
5 2 (4.08%) iPlanet
5 2 (4.08%) MS Exchange
5 2 (4.08%) Lync
5 2 (4.08%) Exchange Server 2010
5 2 (4.08%) Exchange Server 2013
Applications
1 6 (12.24%) MS Excel
2 5 (10.20%) Mingle
Business Applications
1 3 (6.12%) Magento
2 2 (4.08%) SAP Oil and Gas
Communications & Networking
1 22 (44.90%) DNS
2 19 (38.78%) DHCP
3 16 (32.65%) TCP/IP
4 13 (26.53%) SAN
5 11 (22.45%) SMTP
6 9 (18.37%) FTP
6 9 (18.37%) HTTP
7 8 (16.33%) SNMP
8 7 (14.29%) LAN
8 7 (14.29%) WAN
9 6 (12.24%) iSCSI
9 6 (12.24%) NAS
9 6 (12.24%) Fibre Channel
9 6 (12.24%) InfiniBand
10 5 (10.20%) SSL
11 4 (8.16%) Firewall
12 3 (6.12%) SSH
12 3 (6.12%) IMAP
12 3 (6.12%) POP3
13 2 (4.08%) VoIP
Database & Business Intelligence
1 24 (48.98%) MySQL
2 12 (24.49%) PostgreSQL
3 8 (16.33%) SQL Server
4 5 (10.20%) RavenDB
4 5 (10.20%) Neo4j
5 3 (6.12%) SQL Server 2008
6 2 (4.08%) Big Data
7 1 (2.04%) Hadoop
Development Applications
1 5 (10.20%) Visual Studio
1 5 (10.20%) NUnit
1 5 (10.20%) TeamCity
1 5 (10.20%) Git (software)
1 5 (10.20%) MSTest
1 5 (10.20%) Octopus Deploy
General
1 16 (32.65%) Finance
2 12 (24.49%) Telecoms
3 9 (18.37%) Games
3 9 (18.37%) Online Betting
4 8 (16.33%) Manufacturing
5 4 (8.16%) Electronics
6 2 (4.08%) Marketing
Job Titles
1 33 (67.35%) Administrator
2 31 (63.27%) Systems Administrator
2 31 (63.27%) Linux Administrator
3 29 (59.18%) Linux Systems Administrator
4 18 (36.73%) Senior Systems Administrator
5 17 (34.69%) Senior Linux Administrator
5 17 (34.69%) Senior Linux Systems Administrator
6 7 (14.29%) Support Engineer
7 5 (10.20%) Programmer
7 5 (10.20%) .NET Developer
7 5 (10.20%) Developer
7 5 (10.20%) .NET Programmer
8 4 (8.16%) Agile .NET Developer
9 3 (6.12%) Technical Engineer
9 3 (6.12%) Technical Support Engineer
9 3 (6.12%) Technical Support
10 2 (4.08%) 3rd Line Support
10 2 (4.08%) Operations Manager
10 2 (4.08%) Team Leader
10 2 (4.08%) Service Manager
Libraries, Frameworks & Software Standards
1 6 (12.24%) LAMP
2 5 (10.20%) Silverlight
2 5 (10.20%) RESTful
2 5 (10.20%) ASP.NET MVC
2 5 (10.20%) RabbitMQ
2 5 (10.20%) KnockoutJS
2 5 (10.20%) HTML
2 5 (10.20%) .NET
2 5 (10.20%) ASP.NET
2 5 (10.20%) CSS
2 5 (10.20%) Web Services
3 3 (6.12%) Alternative PHP Cache
Miscellaneous
1 9 (18.37%) Online Games
2 8 (16.33%) Analytical Skills
3 7 (14.29%) Clustering
4 6 (12.24%) Replication
5 2 (4.08%) DTV
5 2 (4.08%) Informatics
5 2 (4.08%) Computer Science
5 2 (4.08%) Internet of Things
Operating Systems
1 49 (100.00%) Linux
2 24 (48.98%) Windows
3 16 (32.65%) UNIX
4 11 (22.45%) Ubuntu
5 8 (16.33%) Debian
6 7 (14.29%) Red Hat Enterprise Linux
7 6 (12.24%) Windows Server 2003
8 5 (10.20%) Windows Server 2008
9 3 (6.12%) Solaris
10 2 (4.08%) Windows 2000 Server
10 2 (4.08%) Windows Server 2012
11 1 (2.04%) AIX
11 1 (2.04%) HPUX
11 1 (2.04%) Fedora
11 1 (2.04%) Windows NT
11 1 (2.04%) Windows XP
Processes & Methodologies
1 11 (22.45%) Service Delivery
2 9 (18.37%) E-Commerce
3 7 (14.29%) ITIL
3 7 (14.29%) Load Balancing
4 5 (10.20%) Unit Testing
4 5 (10.20%) BDD
4 5 (10.20%) CQRS
4 5 (10.20%) OOP
4 5 (10.20%) MVC
4 5 (10.20%) Agile Software Development
4 5 (10.20%) TDD
4 5 (10.20%) Software Engineering
5 4 (8.16%) Configuration Management
6 3 (6.12%) Change Management
6 3 (6.12%) DNA
6 3 (6.12%) Bioinformatics
6 3 (6.12%) Performance Tuning
6 3 (6.12%) Time Management
7 2 (4.08%) Problem Management
7 2 (4.08%) Digital Marketing
Programming Languages
1 23 (46.94%) Perl
2 20 (40.82%) SQL
3 18 (36.73%) Bash Shell
4 15 (30.61%) Java
5 13 (26.53%) Python
6 5 (10.20%) C#
6 5 (10.20%) PowerShell
7 4 (8.16%) Ruby
7 4 (8.16%) T-SQL
8 3 (6.12%) PHP
9 2 (4.08%) Shell Script
Qualifications
1 6 (12.24%) MCSE
1 6 (12.24%) Microsoft Certification
2 5 (10.20%) MCSD
2 5 (10.20%) MCTS
3 4 (8.16%) RHCE
3 4 (8.16%) ITIL Certification
4 3 (6.12%) LPIC
4 3 (6.12%) Degree
5 1 (2.04%) SC Cleared
5 1 (2.04%) Security Cleared
5 1 (2.04%) MCITP
5 1 (2.04%) HNC
Quality Assurance & Compliance
1 5 (10.20%) SLA
System Software
1 8 (16.33%) Active Directory
2 6 (12.24%) Xen
2 6 (12.24%) iptables
3 5 (10.20%) Sendmail
4 4 (8.16%) VMware Infrastructure
4 4 (8.16%) NFS
5 3 (6.12%) Varnish
5 3 (6.12%) KVM
5 3 (6.12%) Postfix
6 2 (4.08%) XenApp
6 2 (4.08%) XenServer
6 2 (4.08%) XenDesktop
Systems Management
1 6 (12.24%) Opscode Chef
2 5 (10.20%) Business Desktop Deployment
3 4 (8.16%) Puppet
3 4 (8.16%) cPanel
4 3 (6.12%) Nagios
4 3 (6.12%) Cacti
5 2 (4.08%) CFEngine
5 2 (4.08%) HAProxy
5 2 (4.08%) Ansible
5 2 (4.08%) Salt
5 2 (4.08%) Opsview
Vendors
1 27 (55.10%) Red Hat
2 12 (24.49%) HP
3 11 (22.45%) Oracle
4 9 (18.37%) Cisco
5 8 (16.33%) Microsoft
6 6 (12.24%) EMC
6 6 (12.24%) VMware
6 6 (12.24%) Isilon
7 3 (6.12%) Sun
7 3 (6.12%) SAP
8 2 (4.08%) IBM
8 2 (4.08%) Dell
8 2 (4.08%) Vertica
8 2 (4.08%) Brocade
8 2 (4.08%) Citrix
8 2 (4.08%) 3PAR
9 1 (2.04%) CheckPoint
9 1 (2.04%) EPiServer
Cambridge, Cambridgeshire
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