The table below looks at the statistics for CentOS skills in IT jobs advertised for the London region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 17 April 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
17 Apr 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 335 363 354
Rank change year-on-year
+28 -9
Permanent jobs citing CentOS 354 328 314
As % of all permanent IT jobs located in London 0.80% 0.66% 0.68%
As % of the Operating Systems category 2.84% 2.42% 2.57%
Number of salaries quoted 294 293 282
Average salary £51,500 £50,000 £45,000
Average salary % change year-on-year
+3.00% +11.11%
90% offered a salary of more than £36,000 £36,700 £32,500
10% offered a salary of more than £69,250 £65,000 £62,500
UK excluding London average salary £40,000 £40,000 £37,500
% change year-on-year
- +6.66%
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 London region.

Operating Systems Category
London
Permanent IT job ads with a match in the
Operating Systems category
12467 13545 12231
As % of all permanent IT jobs located in London 28.00% 27.43% 26.46%
Number of salaries quoted 10724 11468 10442
Average salary £50,000 £47,500 £47,500
Average salary % change year-on-year
+5.26% -
90% offered a salary of more than £27,500 £27,500 £30,000
10% offered a salary of more than £72,500 £70,000 £75,000
UK excluding London average salary £37,500 £37,500 £37,500

CentOS
Jobs Demand Trend in London

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

CentOS Jobs Demand Trend in London

CentOS
Salary Trend in London

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

CentOS Salary Trend in London

CentOS
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing CentOS across the London region over the 3 months to 17 April 2015.

CentOS Salary Histogram in London

CentOS
Job Locations in London

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing CentOS within the London region over the 3 months to 17 April 2015. 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
City of London +17 47 £47,500 -5.00% 14
Hammersmith +3 10 £55,000 +83.33%
Bermondsey - 5 - -
Croydon +12 1 £30,000 -14.28% 2
Isleworth - 1 £70,000 -
Uxbridge - 1 £21,500 -
CentOS
England

CentOS
Top 30 Related IT Skills in London

For the 6 months to 17 April 2015, IT jobs across the London 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.

1 658 (96.48%) Linux
2 408 (59.82%) Red Hat
3 328 (48.09%) Red Hat Enterprise Linux
4 301 (44.13%) Python
5 296 (43.40%) Puppet
6 295 (43.26%) VMware
7 290 (42.52%) Bash Shell
8 276 (40.47%) MySQL
9 236 (34.60%) Apache
10 227 (33.28%) Windows
11 207 (30.35%) Ubuntu
12 206 (30.21%) Perl
13 199 (29.18%) Java
14 192 (28.15%) PHP
14 192 (28.15%) VMware Infrastructure
15 189 (27.71%) DevOps
16 185 (27.13%) Ruby
17 176 (25.81%) Amazon AWS
17 176 (25.81%) Opscode Chef
18 161 (23.61%) Tomcat
19 147 (21.55%) Git (software)
20 146 (21.41%) DNS
21 144 (21.11%) Firewall
22 139 (20.38%) Nagios
22 139 (20.38%) Agile Software Development
23 135 (19.79%) SQL
24 132 (19.35%) TCP/IP
24 132 (19.35%) Configuration Management
25 129 (18.91%) VPN
26 126 (18.48%) Web Services

CentOS
Top Related IT Skills in London by Category

For the 6 months to 17 April 2015, IT jobs across the London 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
1 236 (34.60%) Apache
2 161 (23.61%) Tomcat
3 119 (17.45%) nginx
4 68 (9.97%) IIS
5 55 (8.06%) MS Exchange
6 43 (6.30%) JBoss
7 36 (5.28%) Confluence
8 35 (5.13%) OpenStack
9 30 (4.40%) Exchange Server 2010
10 28 (4.11%) Elasticsearch
11 22 (3.23%) Node.js
12 16 (2.35%) Cloud Foundry
13 15 (2.20%) Moodle
14 14 (2.05%) Lync
15 11 (1.61%) SharePoint
16 10 (1.47%) Apache Solr
17 9 (1.32%) Drupal
18 8 (1.17%) Jetty
18 8 (1.17%) MediaWiki
19 6 (0.88%) WordPress
Applications
1 51 (7.48%) MS Excel
2 4 (0.59%) Photoshop
2 4 (0.59%) MS Office
3 2 (0.29%) Maya
4 1 (0.15%) PowerPivot
Business Applications
1 11 (1.61%) Dynamics CRM
2 7 (1.03%) Magento
3 6 (0.88%) Oracle General Ledger
4 2 (0.29%) Cordys
4 2 (0.29%) RMDS
5 1 (0.15%) SAP Business One
Cloud Services
1 176 (25.81%) Amazon AWS
2 54 (7.92%) Amazon EC2
3 31 (4.55%) PaaS
4 29 (4.25%) Amazon S3
4 29 (4.25%) Office 365
5 21 (3.08%) SaaS
6 18 (2.64%) GitHub
7 16 (2.35%) Microsoft Azure
8 14 (2.05%) Rackspace Cloud
8 14 (2.05%) IaaS
9 13 (1.91%) Cloud Computing
10 10 (1.47%) Route 53
10 10 (1.47%) Heroku
10 10 (1.47%) Engine Yard
11 9 (1.32%) Amazon ELB
12 8 (1.17%) AWS CloudFormation
13 4 (0.59%) Virtual Private Cloud
13 4 (0.59%) Datadog
13 4 (0.59%) Joyent
14 3 (0.44%) Sumo Logic
Communications & Networking
1 146 (21.41%) DNS
2 144 (21.11%) Firewall
3 132 (19.35%) TCP/IP
4 129 (18.91%) VPN
5 95 (13.93%) SAN
6 83 (12.17%) LDAP
7 77 (11.29%) WAN
8 68 (9.97%) LAN
9 60 (8.80%) HTTP
10 51 (7.48%) SMTP
11 45 (6.60%) VLAN
12 39 (5.72%) iSCSI
13 36 (5.28%) Internet
14 35 (5.13%) SSL
14 35 (5.13%) SNMP
15 33 (4.84%) VoIP
16 32 (4.69%) IPsec
17 31 (4.55%) BGP
17 31 (4.55%) DHCP
18 30 (4.40%) MPLS
Database & Business Intelligence
1 276 (40.47%) MySQL
2 88 (12.90%) MongoDB
3 72 (10.56%) SQL Server
4 64 (9.38%) PostgreSQL
5 57 (8.36%) Relational Database
6 56 (8.21%) Redis
7 49 (7.18%) NoSQL
8 21 (3.08%) Amazon DynamoDB
9 19 (2.79%) MariaDB
9 19 (2.79%) Apache Cassandra
10 16 (2.35%) Couchbase
11 15 (2.20%) Big Data
11 15 (2.20%) Hadoop
12 14 (2.05%) RDBMS
13 13 (1.91%) Amazon RDS
14 9 (1.32%) CouchDB
15 7 (1.03%) SQL Server 2005
16 6 (0.88%) Informix
17 5 (0.73%) SQL Server Integration Services
17 5 (0.73%) SQL Server Analysis Services
Development Applications
1 147 (21.55%) Git (software)
2 119 (17.45%) Jenkins
3 65 (9.53%) Subversion
4 56 (8.21%) JIRA
5 51 (7.48%) Maven
6 21 (3.08%) Ant
7 18 (2.64%) Eclipse
7 18 (2.64%) Hudson
8 14 (2.05%) SoapUI
8 14 (2.05%) Selenium
8 14 (2.05%) Atlassian Bamboo
9 13 (1.91%) Behat
9 13 (1.91%) PHPUnit
10 12 (1.76%) IntelliJ
11 8 (1.17%) Team Foundation Server
12 6 (0.88%) Mercurial
13 5 (0.73%) TeamCity
14 4 (0.59%) Grunt
15 3 (0.44%) Gradle
15 3 (0.44%) Artifactory
General
1 75 (11.00%) Finance
2 43 (6.30%) Retail
3 41 (6.01%) Games
4 38 (5.57%) Telecoms
5 29 (4.25%) Banking
6 20 (2.93%) Back Office
7 19 (2.79%) Advertising
7 19 (2.79%) Marketing
8 6 (0.88%) Law
9 3 (0.44%) Spanish Language
9 3 (0.44%) Investment Banking
10 1 (0.15%) Financial Institution
10 1 (0.15%) Publishing
Job Titles
1 261 (38.27%) Systems Administrator
2 260 (38.12%) Administrator
3 187 (27.42%) Linux Administrator
4 179 (26.25%) Linux Systems Administrator
5 114 (16.72%) DevOps Engineer
6 80 (11.73%) Developer
7 77 (11.29%) Linux Engineer
8 66 (9.68%) Systems Engineer
9 55 (8.06%) Linux DevOps Engineer
10 32 (4.69%) Senior DevOps Engineer
11 27 (3.96%) Analyst
11 27 (3.96%) Java Developer
11 27 (3.96%) PHP Developer
12 26 (3.81%) Senior Systems Administrator
12 26 (3.81%) Linux Systems Engineer
13 23 (3.37%) Infrastructure Engineer
14 18 (2.64%) Architect
14 18 (2.64%) Network Engineer
14 18 (2.64%) Senior Developer
15 15 (2.20%) Support Engineer
Libraries, Frameworks & Software Standards
1 126 (18.48%) Web Services
2 78 (11.44%) LAMP
3 69 (10.12%) HTML
4 53 (7.77%) CSS
5 42 (6.16%) RESTful
6 35 (5.13%) XML
7 27 (3.96%) .NET
7 27 (3.96%) Ajax
8 26 (3.81%) Symfony
8 26 (3.81%) RabbitMQ
9 25 (3.67%) HTML5
10 24 (3.52%) jQuery
11 22 (3.23%) MCollective
11 22 (3.23%) XSLT
12 21 (3.08%) REST
13 19 (2.79%) Memcached
13 19 (2.79%) FIX Protocol
14 17 (2.49%) Django
15 16 (2.35%) Backbone.js
15 16 (2.35%) Spring
Miscellaneous
1 61 (8.94%) Open Source
2 49 (7.18%) Analytical Skills
3 46 (6.74%) Clustering
4 43 (6.30%) Replication
5 27 (3.96%) Streaming Video
6 25 (3.67%) Computer Science
7 24 (3.52%) Wiki
8 22 (3.23%) Eurex
9 18 (2.64%) E-Learning
9 18 (2.64%) CESG
10 15 (2.20%) VLE
10 15 (2.20%) Over-the-Top Content
11 14 (2.05%) Private Cloud
11 14 (2.05%) Mobile App
12 12 (1.76%) IPTV
12 12 (1.76%) Foreign Exchange (FX)
13 11 (1.61%) Learning Management System
14 10 (1.47%) Management Information System
14 10 (1.47%) Device Driver
14 10 (1.47%) Hybrid Cloud
Operating Systems
1 658 (96.48%) Linux
2 328 (48.09%) Red Hat Enterprise Linux
3 227 (33.28%) Windows
4 207 (30.35%) Ubuntu
5 126 (18.48%) Debian
6 96 (14.08%) Windows Server 2008
7 75 (11.00%) UNIX
8 61 (8.94%) Fedora
9 38 (5.57%) Mac OS X
10 31 (4.55%) Windows Server 2003
11 29 (4.25%) SUSE
12 20 (2.93%) Windows Server 2012
13 18 (2.64%) Windows 7
14 13 (1.91%) Solaris
15 12 (1.76%) Android
15 12 (1.76%) Apple iOS
16 11 (1.61%) Amazon Linux
17 3 (0.44%) Windows XP
18 2 (0.29%) Windows 2000
18 2 (0.29%) Mac OS
Processes & Methodologies
1 189 (27.71%) DevOps
2 139 (20.38%) Agile Software Development
3 132 (19.35%) Configuration Management
4 100 (14.66%) E-Commerce
5 83 (12.17%) Continuous Integration
6 80 (11.73%) Load Balancing
7 63 (9.24%) Performance Tuning
8 60 (8.80%) ITIL
9 47 (6.89%) Time Management
10 43 (6.30%) Scrum
11 32 (4.69%) OO
12 30 (4.40%) Build Automation
13 28 (4.11%) Disaster Recovery
14 24 (3.52%) Change Management
15 23 (3.37%) Data Modelling
16 22 (3.23%) CRM
16 22 (3.23%) TDD
16 22 (3.23%) Software Engineering
17 20 (2.93%) DRM
17 20 (2.93%) Mentoring
Programming Languages
1 301 (44.13%) Python
2 290 (42.52%) Bash Shell
3 206 (30.21%) Perl
4 199 (29.18%) Java
5 192 (28.15%) PHP
6 185 (27.13%) Ruby
7 135 (19.79%) SQL
8 90 (13.20%) Shell Script
9 72 (10.56%) JavaScript
10 28 (4.11%) C++
11 21 (3.08%) C#
12 18 (2.64%) PowerShell
13 17 (2.49%) Scala
14 16 (2.35%) C
15 15 (2.20%) T-SQL
16 14 (2.05%) sed
17 13 (1.91%) PHP5
18 12 (1.76%) AWK
19 10 (1.47%) Korn
20 8 (1.17%) Tcl
Qualifications
1 50 (7.33%) Degree
2 30 (4.40%) Cisco Certification
3 23 (3.37%) VMware Certified Professional (VCP)
4 21 (3.08%) CCNP
5 17 (2.49%) Microsoft Certification
6 16 (2.35%) MCSE
7 15 (2.20%) RHCE
8 12 (1.76%) Security Cleared
9 11 (1.61%) SC Cleared
10 10 (1.47%) CCNA
11 8 (1.17%) MCSA
12 7 (1.03%) CCIE
12 7 (1.03%) LPIC
13 6 (0.88%) MCP
13 6 (0.88%) CCA
13 6 (0.88%) Citrix Certification
13 6 (0.88%) CCEA
13 6 (0.88%) A+ Certification
14 4 (0.59%) Linux+ Certification
15 3 (0.44%) ITIL Certification
Quality Assurance & Compliance
1 34 (4.99%) QA
2 14 (2.05%) SLA
3 1 (0.15%) PCI DSS
System Software
1 192 (28.15%) VMware Infrastructure
2 59 (8.65%) Active Directory
3 55 (8.06%) vSphere
4 41 (6.01%) XenServer
5 35 (5.13%) NFS
6 34 (4.99%) Varnish
7 28 (4.11%) VMware ESX
7 28 (4.11%) Postfix
8 26 (3.81%) VMware ESXi
9 25 (3.67%) Xen
10 24 (3.52%) Samba
11 23 (3.37%) Docker
12 22 (3.23%) KVM
13 20 (2.93%) Hyper-V
14 16 (2.35%) iptables
15 15 (2.20%) VirtualBox
16 14 (2.05%) Squid
17 11 (1.61%) Terminal Services
18 10 (1.47%) vCloud
19 8 (1.17%) GlusterFS
Systems Management
1 296 (43.40%) Puppet
2 176 (25.81%) Opscode Chef
3 139 (20.38%) Nagios
4 77 (11.29%) Ansible
5 64 (9.38%) ZABBIX
6 29 (4.25%) Cacti
7 28 (4.11%) WSUS
7 28 (4.11%) SELinux
8 27 (3.96%) logstash
8 27 (3.96%) Vagrant
9 23 (3.37%) Icinga
10 22 (3.23%) Cobbler
11 17 (2.49%) Salt
12 13 (1.91%) Red Hat Spacewalk
13 12 (1.76%) HAProxy
14 11 (1.61%) Graphite
15 10 (1.47%) collectd
15 10 (1.47%) CFEngine
16 7 (1.03%) Ganglia
16 7 (1.03%) Check_MK
Vendors
1 408 (59.82%) Red Hat
2 295 (43.26%) VMware
3 108 (15.84%) Microsoft
4 96 (14.08%) Cisco
5 42 (6.16%) Citrix
6 39 (5.72%) HP
7 35 (5.13%) Oracle
8 29 (4.25%) Juniper
8 29 (4.25%) Zend
9 25 (3.67%) Rackspace
10 17 (2.49%) AppDynamics
10 17 (2.49%) Patsystems
10 17 (2.49%) Bloomberg
10 17 (2.49%) NYFIX
11 16 (2.35%) GL TRADE
11 16 (2.35%) Dell
12 15 (2.20%) Percona
13 14 (2.05%) hybris
13 14 (2.05%) Splunk
14 13 (1.91%) SolarWinds
London
Opus Recruitment Solutions Ltd
Salary: £50000 - £60000 per annum
Posted: Yesterday
London
Austin Fraser
Salary: £50000.00 - £60000.00 per annum + Bens
Posted: Yesterday
London
Austin Fraser
Salary: £40000.00 - £55000.00 per annum + Great Bens
Posted: Yesterday
City, London
TechNet IT Recruitment (Permanent)
Posted: Yesterday
London
Opus Resourcing Ltd
Salary: £50000 - £70000 per annum + Bens + Bonus
Posted: Yesterday
City, London
Pioneer Search
Salary: £30000 - £35000 per annum + Bonus + Benefits
Posted: Yesterday
Central London / West End
Digitech Resourcing Ltd
Salary: Up to £65,000 per annum
Posted: Yesterday
East London
KPMG
Salary: Competitive
Posted: 2 days ago
City, London
Opus Recruitment Solutions Ltd
Salary: £50000 - £60000 per annum
Posted: 2 days ago
City, London
Opus Recruitment Solutions Ltd
Salary: £60000 - £65000 per annum
Posted: 2 days ago
City, London
Opus Recruitment Solutions Ltd
Salary: £60000 - £70000 per annum
Posted: 2 days ago
London
Give-A-Grad-A-Go Ltd
Salary: £30k - 35k per year
Posted: 3 days ago
City, London
TLP Consultancy Ltd.
Salary: £30000 - £35000 per annum
Posted: 3 days ago
London
Novate IT Ltd
Salary: £50000 - £60000 per annum, Benefits Plus benefits
Posted: 3 days ago
Central London / West End
Araya Partners Ltd
Salary: From £50,000 to £95,000 per annum Salary is approx 50-95k base + bonus
Posted: 3 days ago
North West London
MegaNexus Limited
Salary: From £45,000 to £50,000 per annum
Posted: 4 days ago
London
Logic Engagements Ltd
Salary: £45000 - £55000 per annum + Benefits
Posted: 4 days ago
City, London
Digital Pursuit Ltd
Salary: From £48,000 to £50,000 per annum
Posted: 4 days ago
City, London
Digital Pursuit Ltd
Salary: From £30,000 to £40,000 per annum Bonus up to 5k, pension, holiday, he
Posted: 4 days ago