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 19 December 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
19 Dec 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 250 209 216
Rank change year-on-year
-41 +7
Permanent jobs citing CentOS 17 39 70
As % of all permanent IT jobs located in the East of England 0.21% 0.57% 0.78%
As % of the Operating Systems category 0.80% 1.92% 2.67%
Number of salaries quoted 14 38 68
Average salary £50,000 £57,500 £37,500
Average salary % change year-on-year
-13.04% +53.33%
90% offered a salary of more than £30,750 £40,000 £28,500
10% offered a salary of more than £54,700 £67,750 £47,500
UK excluding London average salary £40,000 £40,000 £37,000
% change year-on-year
- +8.10%
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
2124 2035 2626
As % of all permanent IT jobs located in the East of England 26.73% 29.71% 29.09%
Number of salaries quoted 1707 1674 2197
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 £23,000 £25,500
10% offered a salary of more than £54,000 £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 19 December 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 19 December 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 11 £50,000 +29.87% 3
Essex - 4 £35,000 -
Hertfordshire -40 1 £54,000 -6.08%
Norfolk - 1 £32,500 -
CentOS
England

CentOS
Top 30 Related IT Skills in the East of England

For the 6 months to 19 December 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 57 (93.44%) Linux
2 40 (65.57%) Red Hat
3 31 (50.82%) Windows
4 26 (42.62%) Perl
5 24 (39.34%) DNS
6 23 (37.70%) HP
6 23 (37.70%) MySQL
7 22 (36.07%) Oracle
7 22 (36.07%) DHCP
7 22 (36.07%) SQL
8 21 (34.43%) Active Directory
9 20 (32.79%) Microsoft
9 20 (32.79%) VMware
9 20 (32.79%) Ubuntu
10 19 (31.15%) Apache
11 18 (29.51%) Red Hat Enterprise Linux
12 17 (27.87%) UNIX
13 16 (26.23%) Bash Shell
13 16 (26.23%) SAN
14 15 (24.59%) ITIL
15 14 (22.95%) Oracle Database
16 13 (21.31%) EMC
16 13 (21.31%) SAP
16 13 (21.31%) Performance Tuning
16 13 (21.31%) RHCE
17 12 (19.67%) T-SQL
17 12 (19.67%) Migration
17 12 (19.67%) ERP
17 12 (19.67%) Oracle EBS
17 12 (19.67%) SCOM

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

For the 6 months to 19 December 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 19 (31.15%) Apache
2 4 (6.56%) Tomcat
2 4 (6.56%) iPlanet
2 4 (6.56%) CMS
3 2 (3.28%) Joomla!
3 2 (3.28%) WordPress
3 2 (3.28%) IIS
3 2 (3.28%) Oracle HTTP Server
4 1 (1.64%) nginx
4 1 (1.64%) SharePoint
4 1 (1.64%) MS Exchange
Applications
1 7 (11.48%) MS Excel
2 6 (9.84%) Mingle
Business Applications
1 12 (19.67%) Oracle EBS
2 2 (3.28%) Magento
3 1 (1.64%) Dynamics NAV
3 1 (1.64%) Dynamics CRM
3 1 (1.64%) Google Analytics
Cloud Services
1 1 (1.64%) Amazon AWS
Communications & Networking
1 24 (39.34%) DNS
2 22 (36.07%) DHCP
3 16 (26.23%) SAN
4 9 (14.75%) SMTP
4 9 (14.75%) TCP/IP
4 9 (14.75%) LAN
4 9 (14.75%) WAN
5 7 (11.48%) FTP
5 7 (11.48%) Fibre Channel
6 6 (9.84%) InfiniBand
6 6 (9.84%) iSCSI
6 6 (9.84%) NAS
6 6 (9.84%) Asterisk PBX
6 6 (9.84%) VoIP
6 6 (9.84%) SNMP
7 5 (8.20%) Firewall
8 3 (4.92%) SSL
8 3 (4.92%) POP3
8 3 (4.92%) HTTP
9 2 (3.28%) PPP
Database & Business Intelligence
1 23 (37.70%) MySQL
2 14 (22.95%) Oracle Database
3 11 (18.03%) SQL Server
4 6 (9.84%) RavenDB
4 6 (9.84%) Neo4j
5 4 (6.56%) PostgreSQL
6 2 (3.28%) Oracle Database 11g
Development Applications
1 6 (9.84%) Visual Studio
1 6 (9.84%) NUnit
1 6 (9.84%) TeamCity
1 6 (9.84%) Git (software)
1 6 (9.84%) MSTest
1 6 (9.84%) Octopus Deploy
2 1 (1.64%) Subversion
2 1 (1.64%) Maven
2 1 (1.64%) Ant
2 1 (1.64%) JUnit
General
1 10 (16.39%) Manufacturing
2 9 (14.75%) Finance
3 7 (11.48%) Pharmaceutical
4 4 (6.56%) Telecoms
5 2 (3.28%) Electronics
5 2 (3.28%) Games
5 2 (3.28%) Online Betting
6 1 (1.64%) Marketing
Job Titles
1 35 (57.38%) Administrator
2 32 (52.46%) Systems Administrator
3 28 (45.90%) Linux Administrator
4 26 (42.62%) Linux Systems Administrator
5 9 (14.75%) Senior Systems Administrator
6 6 (9.84%) Infrastructure Team Leader
6 6 (9.84%) Senior .NET Developer
6 6 (9.84%) Team Leader
6 6 (9.84%) Developer
6 6 (9.84%) Senior Developer
6 6 (9.84%) .NET Developer
6 6 (9.84%) Programmer
6 6 (9.84%) Senior Programmer
6 6 (9.84%) .NET Programmer
6 6 (9.84%) Senior .NET Programmer
6 6 (9.84%) Senior Linux Administrator
6 6 (9.84%) Senior Linux Systems Administrator
7 5 (8.20%) Infrastructure Engineer
7 5 (8.20%) UNIX Administrator
8 4 (6.56%) Senior UNIX Administrator
Libraries, Frameworks & Software Standards
1 8 (13.11%) LAMP
2 7 (11.48%) HTML
2 7 (11.48%) CSS
3 6 (9.84%) .NET
3 6 (9.84%) ASP.NET
3 6 (9.84%) Web Services
3 6 (9.84%) Silverlight
3 6 (9.84%) RESTful
3 6 (9.84%) ASP.NET MVC
3 6 (9.84%) RabbitMQ
3 6 (9.84%) KnockoutJS
4 1 (1.64%) Sass
4 1 (1.64%) AngularJS
4 1 (1.64%) Backbone.js
4 1 (1.64%) HTML5
4 1 (1.64%) jQuery
4 1 (1.64%) Google Maps API
4 1 (1.64%) XML
4 1 (1.64%) JSON
4 1 (1.64%) JSP
Miscellaneous
1 7 (11.48%) PKI
2 6 (9.84%) Analytical Skills
3 5 (8.20%) Clustering
4 2 (3.28%) Computer Science
4 2 (3.28%) Online Games
4 2 (3.28%) Internet of Things
5 1 (1.64%) Data Protection Act
Operating Systems
1 57 (93.44%) Linux
2 31 (50.82%) Windows
3 20 (32.79%) Ubuntu
4 18 (29.51%) Red Hat Enterprise Linux
5 17 (27.87%) UNIX
6 9 (14.75%) Solaris
6 9 (14.75%) Windows Server 2008
7 8 (13.11%) Windows Server 2003
8 5 (8.20%) Debian
9 3 (4.92%) Windows Server 2012
10 2 (3.28%) Windows 2000 Server
11 1 (1.64%) Fedora
11 1 (1.64%) Windows NT
11 1 (1.64%) Windows XP
11 1 (1.64%) AIX
11 1 (1.64%) HPUX
Processes & Methodologies
1 15 (24.59%) ITIL
2 13 (21.31%) Performance Tuning
3 12 (19.67%) ERP
3 12 (19.67%) Migration
4 9 (14.75%) Data Analysis
5 7 (11.48%) MVC
6 6 (9.84%) OOP
6 6 (9.84%) Software Engineering
6 6 (9.84%) Agile Software Development
6 6 (9.84%) TDD
6 6 (9.84%) Unit Testing
6 6 (9.84%) BDD
6 6 (9.84%) CQRS
7 5 (8.20%) Load Balancing
8 2 (3.28%) E-Commerce
8 2 (3.28%) Business Continuity
8 2 (3.28%) Enterprise Architecture
8 2 (3.28%) Bioinformatics
8 2 (3.28%) Workflow
8 2 (3.28%) DNA
Programming Languages
1 26 (42.62%) Perl
2 22 (36.07%) SQL
3 16 (26.23%) Bash Shell
4 12 (19.67%) T-SQL
5 10 (16.39%) Python
6 6 (9.84%) C#
6 6 (9.84%) PowerShell
7 4 (6.56%) Java
7 4 (6.56%) PHP
8 2 (3.28%) Ruby
9 1 (1.64%) Bourne shell
9 1 (1.64%) JavaScript
9 1 (1.64%) Shell Script
Qualifications
1 13 (21.31%) RHCE
2 8 (13.11%) Microsoft Certification
2 8 (13.11%) MCSE
3 7 (11.48%) OCP
3 7 (11.48%) Oracle Certification
4 6 (9.84%) MCSD
4 6 (9.84%) MCTS
5 3 (4.92%) VMware Certified Professional (VCP)
6 2 (3.28%) RHCSA
6 2 (3.28%) ITIL Certification
7 1 (1.64%) HNC
7 1 (1.64%) MCSA
7 1 (1.64%) MCITP
7 1 (1.64%) Degree
7 1 (1.64%) SC Cleared
7 1 (1.64%) Security Cleared
Quality Assurance & Compliance
1 2 (3.28%) SLA
System Software
1 21 (34.43%) Active Directory
2 10 (16.39%) vSphere
3 9 (14.75%) VMware ESX
4 7 (11.48%) Oracle RMAN
4 7 (11.48%) NFS
4 7 (11.48%) XenServer
5 5 (8.20%) Sendmail
6 2 (3.28%) Hyper-V
7 1 (1.64%) Xen
7 1 (1.64%) VMware Infrastructure
7 1 (1.64%) Varnish
Systems Management
1 12 (19.67%) SCOM
2 7 (11.48%) Oracle Enterprise Manager
2 7 (11.48%) EMC NetWorker
2 7 (11.48%) SCCM
3 6 (9.84%) Opsview
3 6 (9.84%) Business Desktop Deployment
4 5 (8.20%) Puppet
5 4 (6.56%) CFEngine
6 3 (4.92%) cPanel
7 1 (1.64%) Opscode Chef
7 1 (1.64%) ZABBIX
7 1 (1.64%) Cacti
7 1 (1.64%) Nagios
7 1 (1.64%) BladeLogic
Vendors
1 40 (65.57%) Red Hat
2 23 (37.70%) HP
3 22 (36.07%) Oracle
4 20 (32.79%) Microsoft
4 20 (32.79%) VMware
5 13 (21.31%) EMC
5 13 (21.31%) SAP
6 8 (13.11%) Cisco
6 8 (13.11%) IBM
6 8 (13.11%) Dell
7 6 (9.84%) Isilon
8 4 (6.56%) Vertica
9 2 (3.28%) Citrix
9 2 (3.28%) Sun
9 2 (3.28%) 3PAR
10 1 (1.64%) NetApp
10 1 (1.64%) CheckPoint
10 1 (1.64%) New Relic
10 1 (1.64%) Google
10 1 (1.64%) SolarWinds
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