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 18 September 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
18 Sep 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 215 202 260
Rank change year-on-year
-13 +58
Permanent jobs citing CentOS 44 39 33
As % of all permanent IT jobs located in the East of England 0.58% 0.55% 0.36%
As % of the Operating Systems category 2.03% 1.81% 1.21%
Number of salaries quoted 37 39 28
Average salary £42,500 £40,000 £45,000
Average salary % change year-on-year
+6.25% -11.11%
UK excluding London average salary £41,500 £40,000 £37,500
% change year-on-year
+3.75% +6.66%
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
2171 2155 2718
As % of all permanent IT jobs located in the East of England 28.68% 30.54% 30.03%
Number of salaries quoted 1782 1842 2262
Average salary £40,000 £37,500 £40,000
Average salary % change year-on-year
+6.66% -6.25%
90% offered a salary of more than £22,500 £24,000 £22,500
10% offered a salary of more than £55,000 £52,500 £54,000
UK excluding London average salary £37,000 £37,500 £37,500
% change year-on-year
-1.33% -

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 18 September 2014.

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 18 September 2014. 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 -6 22 £42,000 +5.00% 1
Hertfordshire -2 15 £60,000 +88.97% 2
Essex -2 4 £35,000 -6.66%
Suffolk +9 2 £20,000 -32.20%
Bedfordshire - 1 £38,500 -
CentOS
England

CentOS
Top 30 Related IT Skills in the East of England

For the 6 months to 18 September 2014, 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 83 (83.00%) Linux
2 76 (76.00%) Red Hat
3 43 (43.00%) Perl
4 39 (39.00%) SQL
4 39 (39.00%) MySQL
4 39 (39.00%) Oracle
5 35 (35.00%) Apache
5 35 (35.00%) UNIX
6 34 (34.00%) Bash Shell
7 32 (32.00%) Ubuntu
8 31 (31.00%) DNS
9 28 (28.00%) DHCP
10 27 (27.00%) Red Hat Enterprise Linux
11 24 (24.00%) E-Commerce
11 24 (24.00%) VMware
12 23 (23.00%) Windows
13 21 (21.00%) Finance
14 20 (20.00%) ITIL
15 19 (19.00%) Python
15 19 (19.00%) Microsoft
16 18 (18.00%) Active Directory
16 18 (18.00%) Telecoms
17 17 (17.00%) PostgreSQL
17 17 (17.00%) HP
17 17 (17.00%) SAP
17 17 (17.00%) Oracle Database
18 16 (16.00%) Performance Tuning
19 15 (15.00%) SCOM
19 15 (15.00%) T-SQL
19 15 (15.00%) Java

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

For the 6 months to 18 September 2014, 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 35 (35.00%) Apache
2 15 (15.00%) Tomcat
2 15 (15.00%) CMS
3 13 (13.00%) Oracle HTTP Server
4 4 (4.00%) MS Exchange
5 3 (3.00%) nginx
5 3 (3.00%) Exchange Server 2010
6 2 (2.00%) Joomla!
6 2 (2.00%) WordPress
6 2 (2.00%) iPlanet
6 2 (2.00%) IIS
7 1 (1.00%) WebLogic
7 1 (1.00%) Exchange Server 2007
7 1 (1.00%) WebSphere
Applications
1 7 (7.00%) Mingle
2 3 (3.00%) MS Excel
Business Applications
1 15 (15.00%) Oracle EBS
2 2 (2.00%) Magento
3 1 (1.00%) Dynamics NAV
3 1 (1.00%) Dynamics CRM
3 1 (1.00%) Google Analytics
Cloud Services
1 1 (1.00%) Amazon AWS
Communications & Networking
1 31 (31.00%) DNS
2 28 (28.00%) DHCP
3 14 (14.00%) HTTP
4 9 (9.00%) SAN
4 9 (9.00%) Firewall
5 5 (5.00%) TCP/IP
5 5 (5.00%) LAN
5 5 (5.00%) WAN
5 5 (5.00%) LDAP
5 5 (5.00%) Internet
6 4 (4.00%) SSL
7 3 (3.00%) VPN
7 3 (3.00%) POP3
7 3 (3.00%) SMTP
7 3 (3.00%) OpenLDAP
8 2 (2.00%) Fibre Channel
8 2 (2.00%) Asterisk PBX
8 2 (2.00%) SSH
8 2 (2.00%) Wireless
8 2 (2.00%) VoIP
Database & Business Intelligence
1 39 (39.00%) MySQL
2 17 (17.00%) PostgreSQL
2 17 (17.00%) Oracle Database
3 11 (11.00%) SQL Server
4 7 (7.00%) RavenDB
4 7 (7.00%) Neo4j
5 2 (2.00%) Relational Database
5 2 (2.00%) Oracle Database 11g
Development Applications
1 7 (7.00%) NUnit
1 7 (7.00%) Visual Studio
1 7 (7.00%) Octopus Deploy
1 7 (7.00%) MSTest
1 7 (7.00%) TeamCity
1 7 (7.00%) Git (software)
2 2 (2.00%) Subversion
3 1 (1.00%) Ant
3 1 (1.00%) JUnit
3 1 (1.00%) Maven
General
1 21 (21.00%) Finance
2 18 (18.00%) Telecoms
3 13 (13.00%) Online Betting
3 13 (13.00%) Games
4 10 (10.00%) Pharmaceutical
5 8 (8.00%) Manufacturing
6 6 (6.00%) Marketing
Job Titles
1 61 (61.00%) Administrator
2 59 (59.00%) Systems Administrator
3 49 (49.00%) Linux Systems Administrator
3 49 (49.00%) Linux Administrator
4 15 (15.00%) Senior Systems Administrator
5 13 (13.00%) Senior Linux Administrator
5 13 (13.00%) Senior Linux Systems Administrator
6 11 (11.00%) UNIX Administrator
6 11 (11.00%) Support Engineer
6 11 (11.00%) Linux Engineer
7 8 (8.00%) Senior UNIX Administrator
7 8 (8.00%) Developer
8 7 (7.00%) .NET Developer
8 7 (7.00%) Senior .NET Developer
8 7 (7.00%) Senior Developer
8 7 (7.00%) Programmer
8 7 (7.00%) Senior Programmer
8 7 (7.00%) .NET Programmer
8 7 (7.00%) Senior .NET Programmer
9 5 (5.00%) Technical Support
Libraries, Frameworks & Software Standards
1 13 (13.00%) LAMP
2 9 (9.00%) HTML
2 9 (9.00%) CSS
3 7 (7.00%) Web Services
3 7 (7.00%) .NET
3 7 (7.00%) ASP.NET
3 7 (7.00%) Silverlight
3 7 (7.00%) RabbitMQ
3 7 (7.00%) KnockoutJS
3 7 (7.00%) ASP.NET MVC
3 7 (7.00%) RESTful
4 2 (2.00%) jQuery
5 1 (1.00%) XML
5 1 (1.00%) JSP
5 1 (1.00%) Google Maps API
5 1 (1.00%) WAMP
5 1 (1.00%) Zend Framework
5 1 (1.00%) JSON
5 1 (1.00%) HTML5
5 1 (1.00%) Sass
Miscellaneous
1 13 (13.00%) Online Games
2 10 (10.00%) PKI
3 3 (3.00%) Clustering
4 1 (1.00%) Data Protection Act
4 1 (1.00%) Computer Science
Operating Systems
1 83 (83.00%) Linux
2 35 (35.00%) UNIX
3 32 (32.00%) Ubuntu
4 27 (27.00%) Red Hat Enterprise Linux
5 23 (23.00%) Windows
6 12 (12.00%) Debian
7 11 (11.00%) Solaris
8 7 (7.00%) Windows Server 2008
9 4 (4.00%) Windows Server 2003
10 3 (3.00%) Windows XP
11 2 (2.00%) Windows Server 2012
11 2 (2.00%) Windows NT
12 1 (1.00%) Mac OS X
12 1 (1.00%) Fedora
12 1 (1.00%) OpenBSD
Processes & Methodologies
1 24 (24.00%) E-Commerce
2 20 (20.00%) ITIL
3 16 (16.00%) Performance Tuning
4 15 (15.00%) ERP
4 15 (15.00%) Migration
5 13 (13.00%) Service Delivery
6 11 (11.00%) DevOps
7 10 (10.00%) Data Analysis
8 9 (9.00%) MVC
9 7 (7.00%) Agile Software Development
9 7 (7.00%) TDD
9 7 (7.00%) OOP
9 7 (7.00%) Software Engineering
9 7 (7.00%) Unit Testing
9 7 (7.00%) CQRS
9 7 (7.00%) BDD
10 5 (5.00%) Online Security
11 4 (4.00%) Change Management
12 3 (3.00%) Configuration Management
12 3 (3.00%) Load Balancing
Programming Languages
1 43 (43.00%) Perl
2 39 (39.00%) SQL
3 34 (34.00%) Bash Shell
4 19 (19.00%) Python
5 15 (15.00%) T-SQL
5 15 (15.00%) Java
6 9 (9.00%) PowerShell
7 7 (7.00%) C#
8 6 (6.00%) PHP
9 5 (5.00%) Shell Script
10 4 (4.00%) Bourne shell
10 4 (4.00%) Ruby
11 3 (3.00%) JavaScript
Qualifications
1 15 (15.00%) RHCE
2 10 (10.00%) OCP
2 10 (10.00%) Oracle Certification
3 9 (9.00%) Microsoft Certification
3 9 (9.00%) MCSE
4 7 (7.00%) MCSD
4 7 (7.00%) MCTS
5 4 (4.00%) VMware Certified Professional (VCP)
6 3 (3.00%) Degree
7 2 (2.00%) SC Cleared
7 2 (2.00%) Security Cleared
7 2 (2.00%) HNC
8 1 (1.00%) Cisco Certification
8 1 (1.00%) CCNA
8 1 (1.00%) MCSA
Quality Assurance & Compliance
1 3 (3.00%) SLA
System Software
1 18 (18.00%) Active Directory
2 15 (15.00%) VMware ESX
3 14 (14.00%) vSphere
4 10 (10.00%) Oracle RMAN
5 5 (5.00%) NFS
6 4 (4.00%) XenServer
6 4 (4.00%) VMware Infrastructure
7 3 (3.00%) Hyper-V
7 3 (3.00%) Sendmail
8 1 (1.00%) Snort
8 1 (1.00%) Xen
8 1 (1.00%) Varnish
Systems Management
1 15 (15.00%) SCOM
2 11 (11.00%) Puppet
3 10 (10.00%) SCCM
3 10 (10.00%) EMC NetWorker
3 10 (10.00%) Oracle Enterprise Manager
4 7 (7.00%) Business Desktop Deployment
5 4 (4.00%) CFEngine
5 4 (4.00%) Nagios
6 2 (2.00%) Ansible
6 2 (2.00%) Opsview
6 2 (2.00%) Opscode Chef
7 1 (1.00%) BladeLogic
7 1 (1.00%) ZABBIX
7 1 (1.00%) Cacti
7 1 (1.00%) Munin
Vendors
1 76 (76.00%) Red Hat
2 39 (39.00%) Oracle
3 24 (24.00%) VMware
4 19 (19.00%) Microsoft
5 17 (17.00%) HP
5 17 (17.00%) SAP
6 10 (10.00%) Dell
6 10 (10.00%) EMC
6 10 (10.00%) IBM
7 5 (5.00%) Cisco
8 3 (3.00%) Citrix
9 2 (2.00%) Vertica
9 2 (2.00%) 3PAR
9 2 (2.00%) ProCurve
9 2 (2.00%) CheckPoint
9 2 (2.00%) NetApp
10 1 (1.00%) JBoss
10 1 (1.00%) Sybase
10 1 (1.00%) Google
10 1 (1.00%) Zend
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