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 22 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 England region.

Location
3 months to
22 Jul 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 385 378 404
Rank change year-on-year
-7 +26
Permanent jobs citing CentOS 681 597 599
As % of all permanent IT jobs located in England 0.63% 0.59% 0.54%
As % of the Operating Systems category 2.35% 2.13% 1.96%
Number of salaries quoted 601 538 503
Average salary £45,000 £45,000 £40,000
Average salary % change year-on-year
- +12.50%
90% offered a salary of more than £30,000 £30,000 £30,000
10% offered a salary of more than £60,000 £60,000 £55,000
UK excluding London average salary £40,000 £38,500 £35,000
% change year-on-year
+3.89% +10.00%
Operating Systems Category
England
Permanent IT job ads with a match in the
Operating Systems category
28962 28085 30637
As % of all permanent IT jobs located in England 26.90% 27.58% 27.47%
Number of salaries quoted 24430 23981 26522
Average salary £40,000 £40,000 £40,000
90% offered a salary of more than £25,000 £25,000 £25,000
10% offered a salary of more than £65,000 £65,000 £62,500
UK excluding London average salary £36,500 £37,500 £37,500
% change year-on-year
-2.66% -
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 22 July 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 22 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
London -12 372 £50,000 - 35
South East +17 122 £42,500 -1.16% 15
East of England 0 53 £45,000 +12.50% 3
South West +6 43 £37,500 +20.96% 6
Yorkshire -54 34 £29,000 -10.76% 4
North West +21 26 £40,000 +14.28% 10
East Midlands -8 16 £29,000 -24.67% 1
West Midlands +19 13 £32,500 -2.25% 2
North East -11 3 £45,000 +12.50%
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 22 July 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 1204 (93.12%) Linux
2 853 (65.97%) Red Hat
3 576 (44.55%) MySQL
4 506 (39.13%) Apache
5 499 (38.59%) Puppet
6 477 (36.89%) Red Hat Enterprise Linux
7 468 (36.19%) Perl
8 427 (33.02%) Python
9 414 (32.02%) Bash Shell
10 395 (30.55%) Windows
11 393 (30.39%) VMware
12 385 (29.78%) Ubuntu
13 379 (29.31%) PHP
14 327 (25.29%) DevOps
15 324 (25.06%) Opscode Chef
16 310 (23.98%) Java
17 269 (20.80%) DNS
18 265 (20.49%) Ruby
19 264 (20.42%) Nagios
20 259 (20.03%) VMware Infrastructure
21 257 (19.88%) SQL
22 254 (19.64%) TCP/IP
23 249 (19.26%) Tomcat
24 234 (18.10%) Git (software)
25 220 (17.01%) UNIX
26 211 (16.32%) Debian
27 196 (15.16%) Web Services
28 193 (14.93%) Amazon AWS
29 171 (13.23%) Firewall
30 161 (12.45%) E-Commerce

CentOS
Top Related IT Skills in England by Category

For the 6 months to 22 July 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
1 506 (39.13%) Apache
2 249 (19.26%) Tomcat
3 153 (11.83%) nginx
4 99 (7.66%) IIS
5 62 (4.80%) Drupal
6 55 (4.25%) Elasticsearch
7 54 (4.18%) OpenStack
8 49 (3.79%) CMS
9 46 (3.56%) WordPress
10 43 (3.33%) MS Exchange
11 34 (2.63%) WebLogic
12 24 (1.86%) Exchange Server 2010
13 22 (1.70%) Alfresco
14 21 (1.62%) Confluence
15 20 (1.55%) Node.js
16 19 (1.47%) Oracle HTTP Server
16 19 (1.47%) Apache Solr
16 19 (1.47%) GlassFish
17 17 (1.31%) Exchange Server 2013
18 16 (1.24%) Moodle
Applications
1 68 (5.26%) MS Excel
2 9 (0.70%) Photoshop
3 8 (0.62%) Adobe Illustrator
4 5 (0.39%) Mingle
5 3 (0.23%) MS Visio
6 1 (0.077%) Doxygen
Business Applications
1 21 (1.62%) Magento
2 17 (1.31%) Shopify
3 9 (0.70%) SAP Oil and Gas
4 8 (0.62%) Oracle EBS
5 6 (0.46%) Dynamics CRM
6 3 (0.23%) Summit
6 3 (0.23%) Google Analytics
7 2 (0.15%) Oracle CRM
7 2 (0.15%) Dynamics AX
7 2 (0.15%) RMDS
Cloud Services
1 193 (14.93%) Amazon AWS
2 77 (5.96%) SaaS
3 52 (4.02%) Amazon EC2
4 33 (2.55%) Amazon S3
5 31 (2.40%) Amazon ELB
6 19 (1.47%) Cloud Computing
6 19 (1.47%) Route 53
7 13 (1.01%) Microsoft Azure
8 8 (0.62%) GitHub
9 7 (0.54%) Office 365
9 7 (0.54%) Rackspace Cloud
10 4 (0.31%) CloudFront
10 4 (0.31%) Amazon SQS
10 4 (0.31%) Heroku
11 3 (0.23%) IaaS
12 2 (0.15%) Engine Yard
12 2 (0.15%) PaaS
13 1 (0.077%) Google Apps
13 1 (0.077%) Amazon EMR
Communications & Networking
1 269 (20.80%) DNS
2 254 (19.64%) TCP/IP
3 171 (13.23%) Firewall
4 151 (11.68%) HTTP
5 149 (11.52%) SAN
6 120 (9.28%) VPN
7 107 (8.28%) SSL
8 99 (7.66%) Internet
9 96 (7.42%) DHCP
10 85 (6.57%) LDAP
11 82 (6.34%) SSH
12 66 (5.10%) NAS
13 65 (5.03%) SMTP
14 61 (4.72%) LAN
15 54 (4.18%) Ethernet
16 49 (3.79%) SNMP
16 49 (3.79%) IPsec
17 45 (3.48%) WAN
18 40 (3.09%) Cisco ASA
19 38 (2.94%) BGP
Database & Business Intelligence
1 576 (44.55%) MySQL
2 133 (10.29%) PostgreSQL
3 130 (10.05%) MongoDB
4 128 (9.90%) SQL Server
5 108 (8.35%) NoSQL
6 78 (6.03%) Redis
7 65 (5.03%) Hadoop
8 59 (4.56%) Relational Database
9 57 (4.41%) Big Data
10 53 (4.10%) Apache Cassandra
11 38 (2.94%) SQL Server 2008
12 31 (2.40%) RDBMS
13 29 (2.24%) Amazon RDS
14 28 (2.17%) Amazon DynamoDB
15 25 (1.93%) DB2
16 24 (1.86%) SQL Server 2005
17 23 (1.78%) Oracle Database
18 21 (1.62%) MariaDB
18 21 (1.62%) Hazelcast
19 18 (1.39%) CouchDB
Development Applications
1 234 (18.10%) Git (software)
2 153 (11.83%) Jenkins
3 121 (9.36%) Subversion
4 52 (4.02%) Maven
5 33 (2.55%) Hudson
5 33 (2.55%) JIRA
6 17 (1.31%) Eclipse
7 16 (1.24%) JUnit
8 14 (1.08%) Atlassian Bamboo
8 14 (1.08%) Metasploit
9 12 (0.93%) Juju
9 12 (0.93%) Ant
10 10 (0.77%) Octopus Deploy
10 10 (0.77%) Mercurial
10 10 (0.77%) Dreamweaver
11 9 (0.70%) Selenium
12 6 (0.46%) PHPUnit
13 5 (0.39%) NUnit
13 5 (0.39%) Visual Studio
13 5 (0.39%) MSTest
General
1 142 (10.98%) Finance
2 105 (8.12%) Games
3 97 (7.50%) Telecoms
4 45 (3.48%) Marketing
5 41 (3.17%) Online Betting
6 27 (2.09%) Retail
7 22 (1.70%) Banking
8 17 (1.31%) Manufacturing
9 13 (1.01%) Advertising
10 12 (0.93%) Publishing
10 12 (0.93%) Back Office
11 10 (0.77%) Pharmaceutical
11 10 (0.77%) Electronics
12 3 (0.23%) Automotive
13 2 (0.15%) Front Office
13 2 (0.15%) Law
13 2 (0.15%) Legal
13 2 (0.15%) Investment Banking
14 1 (0.077%) Financial Institution
Job Titles
1 465 (35.96%) Administrator
2 407 (31.48%) Systems Administrator
3 387 (29.93%) Linux Administrator
4 302 (23.36%) Linux Systems Administrator
5 211 (16.32%) Linux Engineer
6 170 (13.15%) Developer
7 135 (10.44%) DevOps Engineer
8 109 (8.43%) Support Engineer
8 109 (8.43%) Senior Systems Administrator
9 98 (7.58%) Systems Engineer
10 92 (7.12%) Senior Linux Administrator
11 87 (6.73%) Senior Linux Systems Administrator
12 58 (4.49%) PHP Developer
13 48 (3.71%) Senior Linux Engineer
14 47 (3.63%) Infrastructure Engineer
15 41 (3.17%) Senior DevOps Engineer
16 39 (3.02%) Analyst
17 37 (2.86%) Consultant
18 35 (2.71%) Junior
19 31 (2.40%) UNIX Administrator
Libraries, Frameworks & Software Standards
1 196 (15.16%) Web Services
2 155 (11.99%) LAMP
3 115 (8.89%) HTML
3 115 (8.89%) CSS
4 104 (8.04%) jQuery
5 63 (4.87%) RESTful
6 59 (4.56%) XML
7 40 (3.09%) RabbitMQ
8 38 (2.94%) .NET
9 35 (2.71%) SOAP
10 34 (2.63%) HTML5
11 32 (2.47%) ActiveMQ
12 30 (2.32%) Spring
13 27 (2.09%) J2EE
14 24 (1.86%) MSMQ
15 20 (1.55%) JSON
15 20 (1.55%) Django
15 20 (1.55%) XHTML
15 20 (1.55%) Middleware
16 19 (1.47%) ASP.NET
Miscellaneous
1 139 (10.75%) Open Source
2 91 (7.04%) Clustering
3 65 (5.03%) Replication
4 60 (4.64%) Computer Science
5 46 (3.56%) Online Games
6 37 (2.86%) Social Media
7 16 (1.24%) PKI
8 15 (1.16%) E-Learning
9 13 (1.01%) Management Information System
10 12 (0.93%) EqualLogic
10 12 (0.93%) Mathematics
11 10 (0.77%) Mobile App
11 10 (0.77%) DTV
12 9 (0.70%) VLE
12 9 (0.70%) Enterprise Software
13 8 (0.62%) Learning Management System
13 8 (0.62%) Foreign Exchange (FX)
14 7 (0.54%) Digital Media
15 6 (0.46%) Internet of Things
15 6 (0.46%) Mobile Games
Operating Systems
1 1204 (93.12%) Linux
2 477 (36.89%) Red Hat Enterprise Linux
3 395 (30.55%) Windows
4 385 (29.78%) Ubuntu
5 220 (17.01%) UNIX
6 211 (16.32%) Debian
7 142 (10.98%) Windows Server 2008
8 107 (8.28%) Fedora
9 81 (6.26%) Windows Server 2012
10 60 (4.64%) Solaris
11 53 (4.10%) SUSE
12 52 (4.02%) Windows Server 2003
13 41 (3.17%) Apple iOS
14 39 (3.02%) Android
15 27 (2.09%) Mac OS X
16 26 (2.01%) Windows 7
16 26 (2.01%) AIX
17 14 (1.08%) Windows 2000 Server
18 12 (0.93%) SELinux
19 11 (0.85%) HPUX
Processes & Methodologies
1 327 (25.29%) DevOps
2 161 (12.45%) E-Commerce
3 147 (11.37%) Agile Software Development
4 142 (10.98%) Load Balancing
5 123 (9.51%) ITIL
6 121 (9.36%) Configuration Management
7 87 (6.73%) Scrum
7 87 (6.73%) Continuous Integration
8 66 (5.10%) Service Delivery
9 47 (3.63%) MVC
10 45 (3.48%) Performance Tuning
11 43 (3.33%) Web Development
12 38 (2.94%) TDD
13 37 (2.86%) Migration
13 37 (2.86%) OOP
14 35 (2.71%) Disaster Recovery
14 35 (2.71%) Software Engineering
14 35 (2.71%) Kanban
15 33 (2.55%) SOA
16 31 (2.40%) Analytics
Programming Languages
1 468 (36.19%) Perl
2 427 (33.02%) Python
3 414 (32.02%) Bash Shell
4 379 (29.31%) PHP
5 310 (23.98%) Java
6 265 (20.49%) Ruby
7 257 (19.88%) SQL
8 95 (7.35%) JavaScript
9 92 (7.12%) Shell Script
10 69 (5.34%) PHP5
11 45 (3.48%) AWK
12 41 (3.17%) PowerShell
13 39 (3.02%) sed
14 38 (2.94%) C
15 31 (2.40%) Scala
16 24 (1.86%) C#
17 21 (1.62%) T-SQL
18 19 (1.47%) Bourne shell
18 19 (1.47%) Groovy
19 16 (1.24%) C++
Qualifications
1 116 (8.97%) Degree
2 59 (4.56%) Cisco Certification
3 39 (3.02%) Microsoft Certification
4 37 (2.86%) RHCE
5 34 (2.63%) CCNA
6 33 (2.55%) MCSE
7 26 (2.01%) VMware Certified Professional (VCP)
8 25 (1.93%) CCNP
8 25 (1.93%) Security Cleared
9 15 (1.16%) CEH
9 15 (1.16%) SC Cleared
9 15 (1.16%) OSCP
9 15 (1.16%) OSCE
10 14 (1.08%) MCITP
11 12 (0.93%) CISSP
12 9 (0.70%) ITIL Certification
13 8 (0.62%) MCSA
13 8 (0.62%) MCP
13 8 (0.62%) OCP
13 8 (0.62%) Oracle Certification
Quality Assurance & Compliance
1 63 (4.87%) SLA
2 37 (2.86%) PCI DSS
3 34 (2.63%) QA
4 24 (1.86%) ISO/IEC 27001
5 14 (1.08%) HIPAA
6 13 (1.01%) ISO 9001
7 9 (0.70%) ISO 14001
8 3 (0.23%) Sarbanes-Oxley
9 2 (0.15%) GPG13
System Software
1 259 (20.03%) VMware Infrastructure
2 105 (8.12%) KVM
3 98 (7.58%) Active Directory
4 73 (5.65%) vSphere
5 66 (5.10%) NFS
6 52 (4.02%) Varnish
6 52 (4.02%) Xen
7 47 (3.63%) Hyper-V
8 42 (3.25%) VMware ESX
9 32 (2.47%) vCloud
9 32 (2.47%) Samba
10 30 (2.32%) VMware ESXi
11 29 (2.24%) Squid
12 27 (2.09%) Postfix
13 18 (1.39%) Sendmail
13 18 (1.39%) Snort
14 14 (1.08%) XenServer
14 14 (1.08%) Nmap
15 12 (0.93%) XenApp
16 10 (0.77%) VirtualBox
Systems Management
1 499 (38.59%) Puppet
2 324 (25.06%) Opscode Chef
3 264 (20.42%) Nagios
4 102 (7.89%) ZABBIX
5 72 (5.57%) Cacti
6 61 (4.72%) Salt
7 54 (4.18%) Ansible
8 47 (3.63%) CFEngine
9 38 (2.94%) logstash
9 38 (2.94%) Vagrant
10 37 (2.86%) SCOM
11 29 (2.24%) Munin
12 28 (2.17%) Opsview
12 28 (2.17%) YUM
13 26 (2.01%) Zenoss
14 22 (1.70%) HAProxy
14 22 (1.70%) Plesk
15 19 (1.47%) Red Hat Spacewalk
16 17 (1.31%) Cobbler
17 16 (1.24%) Nessus
Vendors
1 853 (65.97%) Red Hat
2 393 (30.39%) VMware
3 146 (11.29%) Cisco
4 140 (10.83%) Oracle
5 112 (8.66%) Microsoft
6 89 (6.88%) HP
7 85 (6.57%) JBoss
8 68 (5.26%) Citrix
9 58 (4.49%) Rackspace
10 49 (3.79%) Zend
11 42 (3.25%) F5
12 38 (2.94%) NetApp
12 38 (2.94%) Splunk
13 37 (2.86%) Dell
14 28 (2.17%) SAP
14 28 (2.17%) Juniper
15 25 (1.93%) IBM
15 25 (1.93%) Perforce
16 23 (1.78%) Percona
16 23 (1.78%) SaltStack
London
Eaglecliff
Salary: From £50,000 to £60,000 per annum + Benefits
Posted: 41 minutes ago
Manchester, Lancashire
Adria Solutions Ltd
Salary: £25000 - £35000 per annum + Benefits + Flexitime
Posted: 2 hours ago
Woodbridge, Suffolk
Cooper Lomaz Recruitment Ltd
Salary: £20k per year
Posted: 3 hours ago
London
ISL
Salary: £45000 - £55000 per annum
Posted: 3 hours ago
East London
Acceler-IT
Salary: From £40,000 to £55,000 per annum +great bens and opportunity
Posted: 4 hours ago
Havant, Hampshire
Executive Recruitment Services (ERS)
Salary: £50000 - £70000 per annum
Posted: 4 hours ago
West London
Blue Glue
Salary: From £50,000 to £60,000 per annum
Posted: 4 hours ago
Bristol, Avon
Oscar Associates (UK) Ltd
Salary: £28000 - £35000 per annum + Benefits
Posted: 5 hours ago
City, London
Oscar Associates (UK) Ltd
Salary: £35000 - £40000 per annum + Benefits
Posted: 5 hours ago
Kingston Upon Thames, Surrey
Austin Fraser
Salary: £35000.00 - £40000.00 per annum + Bens
Posted: 19 hours ago
City, London
Quant Capital
Salary: Up to £40,000 per annum + bonus benefits
Posted: 23 hours ago
Basingstoke, Hampshire
Level 3
Salary: £40000 per annum + competitive
Posted: Yesterday
Manchester, Lancashire
Mortimer Spinks
Salary: £40000 - £45000 per annum
Posted: Yesterday
Leeds, West Yorkshire
The Bridge Ltd
Salary: From £40,000 to £52,500 per annum + bonus + benefits
Posted: Yesterday
City, London
E-synergy Solutions
Salary: £40000 - £45000 per annum
Posted: Yesterday
Havant, Hampshire
Executive Recruitment Services (ERS)
Salary: £60000 - £70000 per annum
Posted: Yesterday
Hampshire
Peopleworks
Salary: From £40,000 to £45,000 per annum £40,000 to £45,000 + Bonus (10%) Neg
Posted: Yesterday
Camberley, Surrey
Peopleworks
Salary: From £30,000 to £40,000 per annum £30,000 to £40,000 Negotiable + 10%
Posted: Yesterday
West London
ARC IT Recruitment Ltd
Salary: £60000 Per Annum
Posted: Yesterday
London
Harvey Nash plc
Salary: £50000 - £55000 per annum
Posted: 3 days ago