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

Location
3 months to
1 Sep 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 201 201 247
Rank change year-on-year
0 +46
Permanent jobs citing CentOS 51 39 31
As % of all permanent IT jobs located in the East of England 0.66% 0.54% 0.35%
As % of the Operating Systems category 2.31% 1.82% 1.13%
Number of salaries quoted 44 37 24
Average salary £44,250 £40,000 £45,000
Average salary % change year-on-year
+10.62% -11.11%
90% offered a salary of more than £35,750 £33,400 £35,000
10% offered a salary of more than £60,000 £60,000 £48,500
UK excluding London average salary £41,500 £38,500 £35,000
% change year-on-year
+7.79% +10.00%
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
2204 2141 2732
As % of all permanent IT jobs located in the East of England 28.52% 29.63% 30.45%
Number of salaries quoted 1809 1823 2259
Average salary £40,000 £38,500 £38,500
Average salary % change year-on-year
+3.89% -
90% offered a salary of more than £23,750 £24,000 £22,500
10% offered a salary of more than £55,000 £52,500 £55,000
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 1 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 1 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 -7 27 £42,000 -6.66% 1
Hertfordshire +7 19 £59,000 +85.82% 2
Essex +4 2 - -
Suffolk +3 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 1 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 (80.58%) Linux
2 80 (77.67%) Red Hat
3 45 (43.69%) Perl
4 41 (39.81%) UNIX
5 40 (38.83%) MySQL
6 39 (37.86%) Oracle
6 39 (37.86%) SQL
7 34 (33.01%) Apache
7 34 (33.01%) Ubuntu
8 33 (32.04%) Bash Shell
9 31 (30.10%) DNS
10 29 (28.16%) DHCP
11 27 (26.21%) E-Commerce
12 26 (25.24%) Red Hat Enterprise Linux
13 24 (23.30%) VMware
14 22 (21.36%) Finance
14 22 (21.36%) Windows
15 20 (19.42%) Python
16 19 (18.45%) ITIL
16 19 (18.45%) Telecoms
17 18 (17.48%) PostgreSQL
17 18 (17.48%) Microsoft
18 17 (16.50%) Active Directory
19 16 (15.53%) Tomcat
19 16 (15.53%) Java
19 16 (15.53%) SAP
19 16 (15.53%) CMS
19 16 (15.53%) Oracle Database
20 15 (14.56%) VMware ESX
20 15 (14.56%) RHCE

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

For the 6 months to 1 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 34 (33.01%) Apache
2 16 (15.53%) Tomcat
2 16 (15.53%) CMS
3 14 (13.59%) Oracle HTTP Server
4 4 (3.88%) MS Exchange
5 3 (2.91%) Exchange Server 2010
6 2 (1.94%) Joomla!
6 2 (1.94%) WordPress
6 2 (1.94%) nginx
6 2 (1.94%) IIS
6 2 (1.94%) iPlanet
7 1 (0.97%) WebSphere
7 1 (0.97%) WebLogic
7 1 (0.97%) Exchange Server 2007
Applications
1 7 (6.80%) Mingle
2 3 (2.91%) MS Excel
Business Applications
1 14 (13.59%) Oracle EBS
2 2 (1.94%) Magento
3 1 (0.97%) Dynamics NAV
3 1 (0.97%) Dynamics CRM
3 1 (0.97%) Google Analytics
Cloud Services
1 2 (1.94%) Amazon AWS
2 1 (0.97%) Office 365
2 1 (0.97%) Microsoft Azure
Communications & Networking
1 31 (30.10%) DNS
2 29 (28.16%) DHCP
3 15 (14.56%) HTTP
4 10 (9.71%) Firewall
5 7 (6.80%) SAN
6 5 (4.85%) Internet
6 5 (4.85%) TCP/IP
6 5 (4.85%) LDAP
6 5 (4.85%) LAN
6 5 (4.85%) WAN
7 3 (2.91%) VPN
7 3 (2.91%) SSL
7 3 (2.91%) OpenLDAP
8 2 (1.94%) Fibre Channel
8 2 (1.94%) Wireless
8 2 (1.94%) POP3
8 2 (1.94%) SMTP
9 1 (0.97%) RIP
9 1 (0.97%) IPsec
9 1 (0.97%) SSH
Database & Business Intelligence
1 40 (38.83%) MySQL
2 18 (17.48%) PostgreSQL
3 16 (15.53%) Oracle Database
4 11 (10.68%) SQL Server
5 7 (6.80%) RavenDB
5 7 (6.80%) Neo4j
6 2 (1.94%) Relational Database
6 2 (1.94%) Oracle Database 11g
Development Applications
1 7 (6.80%) Visual Studio
1 7 (6.80%) NUnit
1 7 (6.80%) TeamCity
1 7 (6.80%) Git (software)
1 7 (6.80%) MSTest
1 7 (6.80%) Octopus Deploy
2 2 (1.94%) Subversion
3 1 (0.97%) Maven
3 1 (0.97%) Ant
3 1 (0.97%) JUnit
General
1 22 (21.36%) Finance
2 19 (18.45%) Telecoms
3 14 (13.59%) Games
3 14 (13.59%) Online Betting
4 10 (9.71%) Pharmaceutical
5 8 (7.77%) Manufacturing
6 6 (5.83%) Marketing
Job Titles
1 63 (61.17%) Administrator
2 62 (60.19%) Systems Administrator
3 51 (49.51%) Linux Systems Administrator
3 51 (49.51%) Linux Administrator
4 16 (15.53%) Senior Systems Administrator
5 14 (13.59%) Senior Linux Administrator
5 14 (13.59%) Senior Linux Systems Administrator
5 14 (13.59%) Support Engineer
6 13 (12.62%) UNIX Administrator
7 12 (11.65%) Linux Engineer
8 8 (7.77%) Technical Support Engineer
8 8 (7.77%) Technical Engineer
8 8 (7.77%) Technical Support
8 8 (7.77%) Senior UNIX Administrator
8 8 (7.77%) Developer
9 7 (6.80%) Senior Developer
9 7 (6.80%) Programmer
9 7 (6.80%) .NET Developer
9 7 (6.80%) Senior .NET Developer
9 7 (6.80%) Senior Programmer
Libraries, Frameworks & Software Standards
1 12 (11.65%) LAMP
2 9 (8.74%) HTML
2 9 (8.74%) CSS
3 8 (7.77%) Web Services
4 7 (6.80%) .NET
4 7 (6.80%) ASP.NET
4 7 (6.80%) Silverlight
4 7 (6.80%) RESTful
4 7 (6.80%) ASP.NET MVC
4 7 (6.80%) RabbitMQ
4 7 (6.80%) KnockoutJS
5 2 (1.94%) jQuery
6 1 (0.97%) Google Maps API
6 1 (0.97%) WAMP
6 1 (0.97%) Zend Framework
6 1 (0.97%) FFmpeg
6 1 (0.97%) Backbone.js
6 1 (0.97%) HTML5
6 1 (0.97%) JSP
6 1 (0.97%) XML
Miscellaneous
1 14 (13.59%) Online Games
2 10 (9.71%) PKI
3 2 (1.94%) Clustering
4 1 (0.97%) Data Protection Act
4 1 (0.97%) Computer Science
Operating Systems
1 83 (80.58%) Linux
2 41 (39.81%) UNIX
3 34 (33.01%) Ubuntu
4 26 (25.24%) Red Hat Enterprise Linux
5 22 (21.36%) Windows
6 14 (13.59%) Debian
7 13 (12.62%) Solaris
8 5 (4.85%) Windows Server 2008
9 3 (2.91%) Windows XP
10 2 (1.94%) Windows NT
10 2 (1.94%) AIX
10 2 (1.94%) Windows Server 2012
10 2 (1.94%) Windows Server 2003
10 2 (1.94%) Fedora
11 1 (0.97%) OpenBSD
11 1 (0.97%) HPUX
11 1 (0.97%) Mac OS X
Processes & Methodologies
1 27 (26.21%) E-Commerce
2 19 (18.45%) ITIL
3 14 (13.59%) ERP
3 14 (13.59%) Service Delivery
3 14 (13.59%) Migration
3 14 (13.59%) Performance Tuning
4 11 (10.68%) DevOps
5 10 (9.71%) Data Analysis
6 9 (8.74%) MVC
7 8 (7.77%) Online Security
8 7 (6.80%) TDD
8 7 (6.80%) OOP
8 7 (6.80%) Software Engineering
8 7 (6.80%) Unit Testing
8 7 (6.80%) BDD
8 7 (6.80%) CQRS
9 4 (3.88%) Change Management
10 3 (2.91%) Configuration Management
11 2 (1.94%) Load Balancing
11 2 (1.94%) Capacity Management
Programming Languages
1 45 (43.69%) Perl
2 39 (37.86%) SQL
3 33 (32.04%) Bash Shell
4 20 (19.42%) Python
5 16 (15.53%) Java
6 14 (13.59%) T-SQL
7 10 (9.71%) PowerShell
8 7 (6.80%) C#
8 7 (6.80%) Shell Script
9 6 (5.83%) Bourne shell
10 5 (4.85%) PHP
11 3 (2.91%) JavaScript
11 3 (2.91%) Ruby
Qualifications
1 15 (14.56%) RHCE
2 10 (9.71%) MCSE
2 10 (9.71%) Microsoft Certification
2 10 (9.71%) OCP
2 10 (9.71%) Oracle Certification
3 7 (6.80%) MCSD
3 7 (6.80%) MCTS
4 3 (2.91%) VMware Certified Professional (VCP)
4 3 (2.91%) Degree
5 2 (1.94%) SC Cleared
5 2 (1.94%) Security Cleared
5 2 (1.94%) HNC
6 1 (0.97%) MCSA
6 1 (0.97%) CCNA
6 1 (0.97%) Cisco Certification
6 1 (0.97%) MCITP
Quality Assurance & Compliance
1 2 (1.94%) SLA
System Software
1 17 (16.50%) Active Directory
2 15 (14.56%) VMware ESX
3 13 (12.62%) vSphere
4 10 (9.71%) Oracle RMAN
5 6 (5.83%) VMware Infrastructure
6 5 (4.85%) NFS
7 4 (3.88%) Hyper-V
8 2 (1.94%) Sendmail
8 2 (1.94%) XenServer
9 1 (0.97%) Snort
9 1 (0.97%) Xen
Systems Management
1 14 (13.59%) SCOM
2 11 (10.68%) Puppet
3 10 (9.71%) Oracle Enterprise Manager
3 10 (9.71%) EMC NetWorker
3 10 (9.71%) SCCM
4 7 (6.80%) Business Desktop Deployment
5 4 (3.88%) CFEngine
5 4 (3.88%) Nagios
6 2 (1.94%) Opscode Chef
6 2 (1.94%) Ansible
7 1 (0.97%) BladeLogic
7 1 (0.97%) ZABBIX
7 1 (0.97%) Cacti
7 1 (0.97%) Munin
Vendors
1 80 (77.67%) Red Hat
2 39 (37.86%) Oracle
3 24 (23.30%) VMware
4 18 (17.48%) Microsoft
5 16 (15.53%) SAP
6 15 (14.56%) HP
7 10 (9.71%) Dell
7 10 (9.71%) EMC
7 10 (9.71%) IBM
8 5 (4.85%) Cisco
9 3 (2.91%) Citrix
9 3 (2.91%) NetApp
10 2 (1.94%) CheckPoint
10 2 (1.94%) ProCurve
10 2 (1.94%) Vertica
11 1 (0.97%) New Relic
11 1 (0.97%) SolarWinds
11 1 (0.97%) 3PAR
11 1 (0.97%) Google
11 1 (0.97%) Zend
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