The first table below looks at the demand for CentOS skills in IT jobs advertised for the England region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 16 April 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 England region.

Location
3 months to
16 Apr 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 424 396 428
Rank change year-on-year
-28 +32
Permanent jobs citing CentOS 622 620 562
As % of all permanent IT jobs located in England 0.54% 0.58% 0.47%
As % of the Operating Systems category 2.02% 2.15% 1.77%
Number of salaries quoted 534 559 494
Average salary £45,000 £40,000 £41,000
Average salary % change year-on-year
+12.50% -2.43%
90% offered a salary of more than £30,000 £27,500 £31,150
10% offered a salary of more than £60,000 £57,500 £55,000
UK excluding London average salary £40,000 £37,500 £38,500
% change year-on-year
+6.66% -2.59%
Operating Systems Category
England
Permanent IT job ads with a match in the
Operating Systems category
30787 28825 31834
As % of all permanent IT jobs located in England 26.93% 27.19% 26.88%
Number of salaries quoted 25829 24438 27622
Average salary £40,000 £40,000 £40,000
90% offered a salary of more than £24,500 £25,000 £25,000
10% offered a salary of more than £65,000 £62,500 £60,500
UK excluding London average salary £37,500 £37,500 £37,500
CentOS
UK

CentOS
Jobs Demand Trend in England

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

CentOS Jobs Demand Trend in England

CentOS
Salary Trend in England

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

CentOS Salary Trend in England

CentOS
Salary Histogram in England

This chart provides a salary histogram for IT jobs citing CentOS across the England region over the 3 months to 16 April 2014.

CentOS Salary Histogram in England

CentOS
Job Locations in England

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing CentOS within the England region over the 3 months to 16 April 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
(Click each for more statistics)
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
Find
Job
Vacancies
London -35 333 £50,000 +11.11% 41
South East -53 120 £42,500 +21.42% 12
East of England -6 53 £40,000 -4.19% 7
Yorkshire -38 34 £30,000 +20.00% 12
South West +17 25 £37,500 +38.24% 9
North West -1 22 £40,000 +33.33% 5
East Midlands +1 20 £28,500 - 4
West Midlands +8 13 £40,000 +10.34%
North East -23 2 £33,750 -15.62% 2
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 16 April 2014, IT jobs across the 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 1225 (94.38%) Linux
2 809 (62.33%) Red Hat
3 575 (44.30%) MySQL
4 541 (41.68%) Apache
5 519 (39.98%) Puppet
6 498 (38.37%) Perl
7 458 (35.29%) Windows
8 442 (34.05%) Red Hat Enterprise Linux
9 423 (32.59%) VMware
10 400 (30.82%) Python
11 392 (30.20%) Ubuntu
12 373 (28.74%) Bash Shell
13 346 (26.66%) PHP
14 332 (25.58%) Opscode Chef
15 323 (24.88%) Java
16 322 (24.81%) Tomcat
17 268 (20.65%) Web Services
18 264 (20.34%) Debian
19 261 (20.11%) Ruby
20 256 (19.72%) TCP/IP
21 252 (19.41%) DNS
22 251 (19.34%) SQL
23 249 (19.18%) Nagios
24 235 (18.10%) Firewall
25 223 (17.18%) VMware Infrastructure
26 213 (16.41%) Amazon AWS
27 203 (15.64%) Git (software)
28 197 (15.18%) UNIX
29 195 (15.02%) Open Source
30 180 (13.87%) Windows Server 2008

CentOS
Top Related IT Skills in England by Category

For the 6 months to 16 April 2014, IT jobs across the 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
1 541 (41.68%) Apache
2 322 (24.81%) Tomcat
3 157 (12.10%) nginx
4 124 (9.55%) IIS
5 73 (5.62%) CMS
6 66 (5.08%) Drupal
7 61 (4.70%) OpenStack
8 57 (4.39%) Elasticsearch
9 55 (4.24%) WordPress
10 48 (3.70%) MS Exchange
11 44 (3.39%) Alfresco
12 32 (2.47%) Exchange Server 2010
12 32 (2.47%) Node.js
13 30 (2.31%) Apache Solr
14 24 (1.85%) SharePoint
15 23 (1.77%) WebLogic
16 22 (1.69%) Jetty
17 19 (1.46%) GlassFish
18 16 (1.23%) Exchange Server 2007
18 16 (1.23%) Cloud Foundry
Applications
1 70 (5.39%) MS Excel
2 26 (2.00%) Mingle
3 9 (0.69%) MS Office
4 4 (0.31%) Maya
5 1 (0.077%) Photoshop
5 1 (0.077%) Adobe Illustrator
Business Applications
1 12 (0.92%) Summit
2 9 (0.69%) Magento
3 6 (0.46%) Shopify
4 5 (0.39%) Dynamics CRM
5 3 (0.23%) SAP Oil and Gas
6 2 (0.15%) Google Analytics
6 2 (0.15%) Oracle CRM
6 2 (0.15%) Dynamics AX
7 1 (0.077%) Oracle Applications
Cloud Services
1 213 (16.41%) Amazon AWS
2 82 (6.32%) SaaS
3 70 (5.39%) Amazon EC2
4 35 (2.70%) Amazon ELB
5 31 (2.39%) Route 53
6 24 (1.85%) Amazon S3
7 16 (1.23%) Heroku
7 16 (1.23%) Engine Yard
8 10 (0.77%) Cloud Computing
9 7 (0.54%) Microsoft Azure
10 5 (0.39%) IaaS
10 5 (0.39%) GitHub
11 4 (0.31%) Amazon SQS
11 4 (0.31%) CloudFront
11 4 (0.31%) Office 365
12 2 (0.15%) Rackspace Cloud
13 1 (0.077%) Joyent
13 1 (0.077%) Google Apps
Communications & Networking
1 256 (19.72%) TCP/IP
2 252 (19.41%) DNS
3 235 (18.10%) Firewall
4 131 (10.09%) SAN
5 115 (8.86%) HTTP
6 102 (7.86%) VPN
7 93 (7.16%) DHCP
8 90 (6.93%) Internet
9 68 (5.24%) LDAP
10 60 (4.62%) SSH
11 55 (4.24%) SMTP
12 52 (4.01%) SSL
13 47 (3.62%) NAS
14 42 (3.24%) VoIP
15 41 (3.16%) VLAN
16 40 (3.08%) BGP
17 39 (3.00%) LAN
18 38 (2.93%) FTP
19 35 (2.70%) SNMP
19 35 (2.70%) Cisco ASA
Database & Business Intelligence
1 575 (44.30%) MySQL
2 169 (13.02%) SQL Server
3 148 (11.40%) MongoDB
4 133 (10.25%) NoSQL
5 96 (7.40%) SQL Server 2008
6 94 (7.24%) Redis
7 80 (6.16%) PostgreSQL
8 63 (4.85%) Apache Cassandra
9 59 (4.55%) Hadoop
10 47 (3.62%) Big Data
11 46 (3.54%) Amazon RDS
11 46 (3.54%) Relational Database
12 44 (3.39%) SQL Server 2005
13 38 (2.93%) MariaDB
14 32 (2.47%) Amazon DynamoDB
15 27 (2.08%) CouchDB
16 26 (2.00%) Neo4j
17 24 (1.85%) RDBMS
18 16 (1.23%) RavenDB
19 14 (1.08%) Riak
Development Applications
1 203 (15.64%) Git (software)
2 124 (9.55%) Jenkins
3 114 (8.78%) Subversion
4 58 (4.47%) Maven
5 38 (2.93%) Hudson
6 26 (2.00%) MSTest
6 26 (2.00%) TeamCity
6 26 (2.00%) Visual Studio
6 26 (2.00%) NUnit
7 21 (1.62%) Ant
7 21 (1.62%) JIRA
7 21 (1.62%) Metasploit
8 19 (1.46%) Eclipse
9 18 (1.39%) JUnit
10 16 (1.23%) Selenium
11 13 (1.00%) Mercurial
12 10 (0.77%) PHPUnit
12 10 (0.77%) Xdebug
13 9 (0.69%) PEAR
14 7 (0.54%) Phing
General
1 125 (9.63%) Games
2 121 (9.32%) Telecoms
3 90 (6.93%) Finance
4 48 (3.70%) Online Betting
5 31 (2.39%) Banking
6 22 (1.69%) Marketing
7 17 (1.31%) Retail
8 15 (1.16%) Advertising
9 9 (0.69%) Back Office
10 7 (0.54%) Manufacturing
11 6 (0.46%) Publishing
12 5 (0.39%) Automotive
13 4 (0.31%) Electronics
13 4 (0.31%) Front Office
14 3 (0.23%) Pharmaceutical
15 2 (0.15%) Legal
15 2 (0.15%) Investment Banking
16 1 (0.077%) Law
Job Titles
1 539 (41.53%) Administrator
2 474 (36.52%) Systems Administrator
3 390 (30.05%) Linux Administrator
4 312 (24.04%) Linux Systems Administrator
5 235 (18.10%) Linux Engineer
6 150 (11.56%) Developer
7 120 (9.24%) DevOps Engineer
8 106 (8.17%) Systems Engineer
9 100 (7.70%) Senior Systems Administrator
10 86 (6.63%) Support Engineer
11 77 (5.93%) Senior Linux Engineer
12 71 (5.47%) Senior Linux Administrator
13 67 (5.16%) Senior Linux Systems Administrator
14 47 (3.62%) Infrastructure Engineer
15 44 (3.39%) Linux Support
16 41 (3.16%) Senior Developer
17 38 (2.93%) PHP Developer
18 34 (2.62%) Consultant
18 34 (2.62%) Technical Support
19 32 (2.47%) Java Developer
Libraries, Frameworks & Software Standards
1 268 (20.65%) Web Services
2 174 (13.41%) LAMP
3 124 (9.55%) HTML
4 104 (8.01%) CSS
5 80 (6.16%) jQuery
6 75 (5.78%) RabbitMQ
7 65 (5.01%) RESTful
8 62 (4.78%) .NET
9 41 (3.16%) HTML5
10 38 (2.93%) ASP.NET
11 36 (2.77%) XML
12 34 (2.62%) J2EE
13 29 (2.23%) Memcached
14 26 (2.00%) KnockoutJS
14 26 (2.00%) ASP.NET MVC
14 26 (2.00%) Silverlight
15 24 (1.85%) ASP.NET MVC 4
16 23 (1.77%) ActiveMQ
17 21 (1.62%) CSS3
18 19 (1.46%) MCollective
Miscellaneous
1 195 (15.02%) Open Source
2 135 (10.40%) Clustering
3 58 (4.47%) Replication
4 54 (4.16%) Computer Science
5 51 (3.93%) Online Games
6 48 (3.70%) Social Media
7 16 (1.23%) Mobile App
8 15 (1.16%) Device Driver
9 14 (1.08%) BBC
10 13 (1.00%) Foreign Exchange (FX)
10 13 (1.00%) Derivative
11 12 (0.92%) Mobile Games
11 12 (0.92%) NHS
12 11 (0.85%) Management Information System
12 11 (0.85%) Visualisation
13 10 (0.77%) Wiki
13 10 (0.77%) Field-Programmable Gate Array
14 9 (0.69%) DTV
14 9 (0.69%) Enterprise Software
15 8 (0.62%) EqualLogic
Operating Systems
1 1225 (94.38%) Linux
2 458 (35.29%) Windows
3 442 (34.05%) Red Hat Enterprise Linux
4 392 (30.20%) Ubuntu
5 264 (20.34%) Debian
6 197 (15.18%) UNIX
7 180 (13.87%) Windows Server 2008
8 72 (5.55%) Windows Server 2012
9 60 (4.62%) Windows 7
10 59 (4.55%) SUSE
11 52 (4.01%) Fedora
12 50 (3.85%) Windows Server 2003
13 49 (3.78%) Apple iOS
13 49 (3.78%) Android
14 42 (3.24%) Solaris
15 41 (3.16%) Mac OS X
16 27 (2.08%) FreeBSD
17 22 (1.69%) AIX
18 20 (1.54%) Oracle Linux
19 15 (1.16%) Windows 8
Processes & Methodologies
1 153 (11.79%) Agile Software Development
2 130 (10.02%) Configuration Management
3 123 (9.48%) E-Commerce
4 103 (7.94%) Load Balancing
5 73 (5.62%) ITIL
6 71 (5.47%) Scrum
7 68 (5.24%) Continuous Integration
8 57 (4.39%) MVC
9 55 (4.24%) TDD
10 52 (4.01%) OO
11 46 (3.54%) Performance Tuning
12 42 (3.24%) Release Management
13 40 (3.08%) Unit Testing
13 40 (3.08%) Migration
14 36 (2.77%) Web Development
14 36 (2.77%) Software Engineering
15 34 (2.62%) BDD
16 33 (2.54%) Service Delivery
17 29 (2.23%) Disaster Recovery
18 27 (2.08%) OOP
Programming Languages
1 498 (38.37%) Perl
2 400 (30.82%) Python
3 373 (28.74%) Bash Shell
4 346 (26.66%) PHP
5 323 (24.88%) Java
6 261 (20.11%) Ruby
7 251 (19.34%) SQL
8 91 (7.01%) Shell Script
9 82 (6.32%) JavaScript
10 80 (6.16%) PowerShell
11 53 (4.08%) PHP5
12 49 (3.78%) C
13 42 (3.24%) Scala
14 37 (2.85%) C#
15 25 (1.93%) Korn
16 24 (1.85%) Groovy
17 17 (1.31%) AWK
18 14 (1.08%) Bourne shell
19 10 (0.77%) sed
19 10 (0.77%) VBScript
Qualifications
1 159 (12.25%) Degree
2 70 (5.39%) Cisco Certification
3 65 (5.01%) RHCE
4 46 (3.54%) CCNA
5 44 (3.39%) Microsoft Certification
6 38 (2.93%) MCSE
7 28 (2.16%) Security Cleared
8 27 (2.08%) SC Cleared
9 21 (1.62%) CCNP
10 19 (1.46%) CISSP
10 19 (1.46%) CEH
10 19 (1.46%) OSCP
10 19 (1.46%) OSCE
11 13 (1.00%) DV Cleared
12 12 (0.92%) MCTS
12 12 (0.92%) MCSD
13 11 (0.85%) HND
14 9 (0.69%) SAP Certification
15 8 (0.62%) MCITP
15 8 (0.62%) MCSA
Quality Assurance & Compliance
1 69 (5.32%) SLA
2 48 (3.70%) PCI DSS
3 40 (3.08%) QA
4 20 (1.54%) HIPAA
5 13 (1.00%) ISO/IEC 27001
6 10 (0.77%) ISO 9001
7 3 (0.23%) Sarbanes-Oxley
8 2 (0.15%) GPG13
System Software
1 223 (17.18%) VMware Infrastructure
2 144 (11.09%) Active Directory
3 94 (7.24%) KVM
4 55 (4.24%) Varnish
5 52 (4.01%) VMware ESX
6 50 (3.85%) VMware ESXi
7 49 (3.78%) vSphere
8 48 (3.70%) NFS
9 42 (3.24%) Xen
10 39 (3.00%) Hyper-V
11 37 (2.85%) Postfix
12 36 (2.77%) Sendmail
13 28 (2.16%) Squid
14 27 (2.08%) Snort
15 25 (1.93%) Samba
16 21 (1.62%) Nmap
17 19 (1.46%) XenApp
18 12 (0.92%) VirtualBox
18 12 (0.92%) XenServer
19 10 (0.77%) VMware Server
Systems Management
1 519 (39.98%) Puppet
2 332 (25.58%) Opscode Chef
3 249 (19.18%) Nagios
4 71 (5.47%) ZABBIX
5 69 (5.32%) Cacti
6 48 (3.70%) SCOM
7 46 (3.54%) Plesk
8 43 (3.31%) Cobbler
9 34 (2.62%) Vagrant
9 34 (2.62%) HAProxy
10 27 (2.08%) Red Hat Spacewalk
11 26 (2.00%) Munin
12 25 (1.93%) YUM
13 23 (1.77%) Nessus
14 21 (1.62%) Ansible
15 16 (1.23%) SCCM
15 16 (1.23%) WSUS
16 15 (1.16%) Tivoli
17 13 (1.00%) NetBackup
18 10 (0.77%) Capistrano
Vendors
1 809 (62.33%) Red Hat
2 423 (32.59%) VMware
3 175 (13.48%) Cisco
4 151 (11.63%) Microsoft
5 148 (11.40%) Oracle
6 122 (9.40%) HP
7 96 (7.40%) JBoss
8 55 (4.24%) NetApp
9 45 (3.47%) Citrix
9 45 (3.47%) Rackspace
10 39 (3.00%) Juniper
11 31 (2.39%) Salesforce.com
12 29 (2.23%) IBM
13 28 (2.16%) Zend
14 26 (2.00%) Splunk
15 24 (1.85%) Symantec
16 22 (1.69%) Dell
17 21 (1.62%) Sophos
17 21 (1.62%) CheckPoint
17 21 (1.62%) Imperva
Isleworth, Middlesex
Opus Resourcing Ltd
Salary: £50000 - £70000 per annum + Generous Bens + Bonus
Posted: 55 minutes ago
Reading, Berkshire
Evolution Recruitment Solutions
Salary: 28,000 - 35,000 + excellent benefits and training
Posted: 2 hours ago
Central London / West End
Evolution Recruitment Solutions
Salary: 50,000 - 60,000 + benefits
Posted: 2 hours ago
Reading, Berkshire
Evolution Recruitment Solutions
Salary: 40,000 - 48,000 + excellent benefits
Posted: 3 hours ago
Havant, Hampshire
Executive Recruitment Services (ERS)
Salary: £60000 - £70000 per annum
Posted: 4 hours ago
London
eCom Recruitment
Salary: From £28,000 to £35,000 per annum
Posted: 5 hours ago
West London
Blue Glue
Salary: From £50,000 to £60,000 per annum
Posted: 7 hours ago
West Yorkshire
Mortimer Spinks
Posted: 8 hours ago
City, London
Profile 29 Limited
Salary: From £25,000 to £35,000 per annum + benefits (see advert)
Posted: 10 hours ago
Surrey
Opus Recruitment Solutions Ltd
Salary: £45000 to £55000 per annum - Pension,Bonus,Training Budget
Posted: 10 hours ago
Cambridge, Cambridgeshire
Opus Recruitment Solutions Ltd
Salary: £28000 to £35000 per annum
Posted: 11 hours ago
Staines, Middlesex
Zorba Consulting Limited
Salary: Up to £65,000 per annum + bonus + benefits
Posted: Yesterday
Goole, North Humberside
4it Recruitment Ltd
Salary: From £25,000 to £32,000 per annum £2500 on call allowance, 25 days hol
Posted: Yesterday
Leeds, West Yorkshire
set2recruit
Salary: From £25,000 to £35,000 per annum Plus 5% pension
Posted: Yesterday
London
Blu Digital
Posted: Yesterday
London
Computer People
Salary: £45000 - £55000 per annum + pension, 25 days, training
Posted: 2 days ago
Nottingham, Nottinghamshire
Axica Recruitment
Salary: From £25,000 to £33,000 per annum DOE
Posted: 2 days ago
Bristol, Avon
Auburn Rose
Salary: From £25,000 to £35,000 per annum + Benefits
Posted: 2 days ago
Bristol, Avon
Connectus
Salary: £40000 - £50000 per annum
Posted: 2 days ago
North London
Lorien Resourcing
Salary: £35000 - £40000 per annum
Posted: 2 days ago