The first table below looks at the demand 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 28 July 2014 with a comparison to the same period in the previous 2 years. The second table is for comparison and provides aggregates for all of the Operating Systems category for the East of England region.

Location
3 months to
28 Jul 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 206 206 243
Rank change year-on-year
0 +37
Permanent jobs citing CentOS 54 41 29
As % of all permanent IT jobs located in the East of England 0.68% 0.53% 0.34%
As % of the Operating Systems category 2.40% 1.77% 1.12%
Number of salaries quoted 50 37 22
Average salary £45,000 £40,000 £42,500
Average salary % change year-on-year
+12.50% -5.88%
90% offered a salary of more than £38,400 £36,500 £35,500
10% offered a salary of more than £60,000 £58,500 £50,000
UK excluding London average salary £40,000 £38,500 £35,000
% change year-on-year
+3.89% +10.00%
Operating Systems Category
East of England
Permanent IT job ads with a match in the
Operating Systems category
2254 2319 2589
As % of all permanent IT jobs located in the East of England 28.28% 30.15% 30.66%
Number of salaries quoted 1850 1955 2131
Average salary £40,000 £39,500 £37,500
Average salary % change year-on-year
+1.26% +5.33%
90% offered a salary of more than £24,000 £24,000 £25,000
10% offered a salary of more than £55,000 £52,500 £55,000
UK excluding London average salary £36,500 £37,500 £37,500
% change year-on-year
-2.66% -
CentOS
England

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 28 July 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 28 July 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 0 26 £42,500 -15.00% 1
Hertfordshire +7 21 £53,000 +32.50% 2
Essex -12 4 £33,250 -11.33%
Suffolk +6 2 £20,000 -42.85% 1
Bedfordshire - 1 £38,500 -
CentOS
England

CentOS
Top 30 Related IT Skills in the East of England

For the 6 months to 28 July 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 86 (80.37%) Linux
2 84 (78.50%) Red Hat
3 48 (44.86%) UNIX
4 45 (42.06%) MySQL
5 44 (41.12%) Perl
6 35 (32.71%) SQL
6 35 (32.71%) Oracle
7 34 (31.78%) Apache
7 34 (31.78%) E-Commerce
7 34 (31.78%) Ubuntu
8 32 (29.91%) Bash Shell
9 29 (27.10%) DHCP
9 29 (27.10%) DNS
10 26 (24.30%) Windows
11 24 (22.43%) Finance
12 23 (21.50%) Python
12 23 (21.50%) Red Hat Enterprise Linux
13 22 (20.56%) PostgreSQL
14 21 (19.63%) Telecoms
14 21 (19.63%) Tomcat
14 21 (19.63%) Java
15 19 (17.76%) HTTP
16 18 (16.82%) CMS
16 18 (16.82%) Games
16 18 (16.82%) Service Delivery
16 18 (16.82%) Oracle HTTP Server
16 18 (16.82%) Online Games
16 18 (16.82%) Online Betting
17 17 (15.89%) ITIL
17 17 (15.89%) Debian

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

For the 6 months to 28 July 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 34 (31.78%) Apache
2 21 (19.63%) Tomcat
3 18 (16.82%) CMS
3 18 (16.82%) Oracle HTTP Server
4 3 (2.80%) Exchange Server 2010
4 3 (2.80%) IIS
4 3 (2.80%) MS Exchange
5 2 (1.87%) WebLogic
5 2 (1.87%) nginx
6 1 (0.93%) Exchange Server 2007
6 1 (0.93%) WebSphere
Applications
1 6 (5.61%) Mingle
2 2 (1.87%) MS Excel
Business Applications
1 8 (7.48%) Oracle EBS
2 1 (0.93%) Google Analytics
Cloud Services
1 3 (2.80%) Amazon AWS
2 2 (1.87%) Office 365
2 2 (1.87%) Microsoft Azure
Communications & Networking
1 29 (27.10%) DHCP
1 29 (27.10%) DNS
2 19 (17.76%) HTTP
3 12 (11.21%) Firewall
4 8 (7.48%) SAN
5 6 (5.61%) TCP/IP
5 6 (5.61%) VPN
6 5 (4.67%) LAN
6 5 (4.67%) WAN
6 5 (4.67%) LDAP
6 5 (4.67%) Internet
7 4 (3.74%) OpenLDAP
8 3 (2.80%) OpenVPN
8 3 (2.80%) IPsec
9 2 (1.87%) OSPF
9 2 (1.87%) Wireless
9 2 (1.87%) RIP
9 2 (1.87%) Fibre Channel
9 2 (1.87%) Intrusion Detection
9 2 (1.87%) iSCSI
Database & Business Intelligence
1 45 (42.06%) MySQL
2 22 (20.56%) PostgreSQL
3 9 (8.41%) SQL Server
4 8 (7.48%) Oracle Database
5 6 (5.61%) Neo4j
5 6 (5.61%) RavenDB
6 2 (1.87%) Relational Database
Development Applications
1 6 (5.61%) Visual Studio
1 6 (5.61%) TeamCity
1 6 (5.61%) Git (software)
1 6 (5.61%) NUnit
1 6 (5.61%) Octopus Deploy
1 6 (5.61%) MSTest
2 3 (2.80%) Subversion
3 2 (1.87%) Maven
4 1 (0.93%) Team Foundation Server
4 1 (0.93%) Jenkins
4 1 (0.93%) Hudson
4 1 (0.93%) Ant
4 1 (0.93%) JUnit
General
1 24 (22.43%) Finance
2 21 (19.63%) Telecoms
3 18 (16.82%) Games
3 18 (16.82%) Online Betting
4 8 (7.48%) Pharmaceutical
4 8 (7.48%) Manufacturing
5 6 (5.61%) Marketing
Job Titles
1 70 (65.42%) Administrator
2 69 (64.49%) Systems Administrator
3 54 (50.47%) Linux Systems Administrator
3 54 (50.47%) Linux Administrator
4 19 (17.76%) Senior Systems Administrator
5 18 (16.82%) Senior Linux Administrator
5 18 (16.82%) Senior Linux Systems Administrator
6 16 (14.95%) UNIX Administrator
7 13 (12.15%) Support Engineer
8 12 (11.21%) Linux Engineer
9 9 (8.41%) Technical Support Engineer
9 9 (8.41%) Technical Engineer
9 9 (8.41%) Technical Support
10 8 (7.48%) Systems Engineer
10 8 (7.48%) UNIX Systems Administrator
10 8 (7.48%) Senior UNIX Administrator
11 7 (6.54%) Developer
12 6 (5.61%) Senior Developer
12 6 (5.61%) Programmer
12 6 (5.61%) .NET Developer
Libraries, Frameworks & Software Standards
1 9 (8.41%) Web Services
2 8 (7.48%) LAMP
2 8 (7.48%) HTML
2 8 (7.48%) CSS
3 6 (5.61%) .NET
3 6 (5.61%) ASP.NET
3 6 (5.61%) Silverlight
3 6 (5.61%) KnockoutJS
3 6 (5.61%) ASP.NET MVC
3 6 (5.61%) RESTful
3 6 (5.61%) RabbitMQ
4 2 (1.87%) jQuery
5 1 (0.93%) WAMP
5 1 (0.93%) JSON
5 1 (0.93%) Zend Framework
5 1 (0.93%) Google Maps API
5 1 (0.93%) HTML5
5 1 (0.93%) FFmpeg
5 1 (0.93%) Backbone.js
5 1 (0.93%) Sass
Miscellaneous
1 18 (16.82%) Online Games
2 8 (7.48%) PKI
3 1 (0.93%) Data Protection Act
3 1 (0.93%) Computer Science
3 1 (0.93%) Open Source
Operating Systems
1 86 (80.37%) Linux
2 48 (44.86%) UNIX
3 34 (31.78%) Ubuntu
4 26 (24.30%) Windows
5 23 (21.50%) Red Hat Enterprise Linux
6 17 (15.89%) Debian
7 15 (14.02%) Solaris
8 6 (5.61%) AIX
9 5 (4.67%) Fedora
10 4 (3.74%) HPUX
10 4 (3.74%) Windows Server 2008
11 2 (1.87%) Windows Server 2003
11 2 (1.87%) OpenBSD
11 2 (1.87%) Windows XP
12 1 (0.93%) Windows Server 2012
12 1 (0.93%) Windows NT
12 1 (0.93%) Mac OS X
Processes & Methodologies
1 34 (31.78%) E-Commerce
2 18 (16.82%) Service Delivery
3 17 (15.89%) ITIL
4 11 (10.28%) DevOps
5 9 (8.41%) Online Security
6 8 (7.48%) Migration
6 8 (7.48%) MVC
6 8 (7.48%) ERP
6 8 (7.48%) Performance Tuning
6 8 (7.48%) Data Analysis
7 6 (5.61%) OOP
7 6 (5.61%) Unit Testing
7 6 (5.61%) Software Engineering
7 6 (5.61%) TDD
7 6 (5.61%) BDD
7 6 (5.61%) CQRS
8 4 (3.74%) Configuration Management
9 3 (2.80%) User Acceptance Testing
9 3 (2.80%) Change Management
9 3 (2.80%) Disaster Recovery
Programming Languages
1 44 (41.12%) Perl
2 35 (32.71%) SQL
3 32 (29.91%) Bash Shell
4 23 (21.50%) Python
5 21 (19.63%) Java
6 10 (9.35%) PowerShell
7 9 (8.41%) Bourne shell
7 9 (8.41%) Shell Script
8 8 (7.48%) T-SQL
9 6 (5.61%) C#
10 3 (2.80%) Ruby
10 3 (2.80%) JavaScript
10 3 (2.80%) PHP
Qualifications
1 12 (11.21%) RHCE
2 11 (10.28%) MCSE
2 11 (10.28%) Microsoft Certification
3 8 (7.48%) OCP
3 8 (7.48%) Oracle Certification
4 6 (5.61%) MCSD
4 6 (5.61%) MCTS
5 4 (3.74%) MCITP
6 3 (2.80%) VMware Certified Professional (VCP)
7 2 (1.87%) Degree
8 1 (0.93%) SC Cleared
8 1 (0.93%) Security Cleared
8 1 (0.93%) HNC
8 1 (0.93%) Cisco Certification
8 1 (0.93%) CCNA
Quality Assurance & Compliance
1 2 (1.87%) SLA
System Software
1 12 (11.21%) VMware ESX
2 11 (10.28%) vSphere
2 11 (10.28%) Active Directory
3 8 (7.48%) Oracle RMAN
4 7 (6.54%) VMware Infrastructure
5 4 (3.74%) NFS
5 4 (3.74%) Hyper-V
6 2 (1.87%) XenServer
6 2 (1.87%) Snort
Systems Management
1 10 (9.35%) Puppet
2 8 (7.48%) Oracle Enterprise Manager
2 8 (7.48%) SCCM
2 8 (7.48%) SCOM
2 8 (7.48%) EMC NetWorker
3 7 (6.54%) Nagios
4 6 (5.61%) Business Desktop Deployment
5 3 (2.80%) Munin
6 2 (1.87%) Ansible
6 2 (1.87%) Opscode Chef
6 2 (1.87%) CFEngine
7 1 (0.93%) BladeLogic
Vendors
1 84 (78.50%) Red Hat
2 35 (32.71%) Oracle
3 16 (14.95%) VMware
3 16 (14.95%) HP
4 11 (10.28%) Microsoft
5 9 (8.41%) SAP
6 8 (7.48%) Dell
6 8 (7.48%) EMC
6 8 (7.48%) IBM
7 4 (3.74%) NetApp
7 4 (3.74%) Cisco
8 2 (1.87%) Citrix
8 2 (1.87%) JBoss
8 2 (1.87%) ProCurve
9 1 (0.93%) Zend
9 1 (0.93%) Google
9 1 (0.93%) 3PAR
9 1 (0.93%) Sybase
9 1 (0.93%) CheckPoint
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