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 27 February 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
27 Feb 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 331 305 319
Rank change year-on-year
-26 +14
Permanent jobs citing CentOS 332 385 335
As % of all permanent IT jobs located in London 0.79% 0.89% 0.76%
As % of the Operating Systems category 2.79% 3.20% 2.80%
Number of salaries quoted 290 345 314
Average salary £50,000 £50,000 £45,000
Average salary % change year-on-year
- +11.11%
90% offered a salary of more than £36,450 £33,494 £32,500
10% offered a salary of more than £67,750 £67,500 £65,000
UK excluding London average salary £42,500 £41,500 £35,750
% change year-on-year
+2.40% +16.08%
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
11898 12019 11963
As % of all permanent IT jobs located in London 28.27% 27.93% 27.13%
Number of salaries quoted 10108 10066 10233
Average salary £48,000 £47,500 £47,500
Average salary % change year-on-year
+1.05% -
90% offered a salary of more than £27,500 £28,500 £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 27 February 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 27 February 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 -21 43 £60,000 +20.00% 9
Hammersmith +9 14 £48,750 +62.50%
Croydon - 9 £30,000 -
Bromley +11 2 £45,000 +12.50%
Twickenham - 2 £60,000 -
Uxbridge - 1 £21,500 -
Isleworth - 1 £70,000 - 1
CentOS
England

CentOS
Top 30 Related IT Skills in London

For the 6 months to 27 February 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.

1 690 (97.87%) Linux
2 442 (62.70%) Red Hat
3 341 (48.37%) Puppet
4 328 (46.52%) Red Hat Enterprise Linux
5 319 (45.25%) Python
6 281 (39.86%) VMware
7 275 (39.01%) Bash Shell
8 266 (37.73%) MySQL
9 240 (34.04%) Windows
10 223 (31.63%) Apache
11 215 (30.50%) PHP
12 211 (29.93%) Perl
13 201 (28.51%) DevOps
14 194 (27.52%) Ruby
15 189 (26.81%) Ubuntu
16 184 (26.10%) Java
17 180 (25.53%) Opscode Chef
18 170 (24.11%) Nagios
19 168 (23.83%) Git (software)
20 163 (23.12%) Tomcat
21 161 (22.84%) VMware Infrastructure
22 152 (21.56%) Amazon AWS
23 143 (20.28%) Firewall
24 139 (19.72%) Agile Software Development
25 136 (19.29%) Web Services
26 135 (19.15%) TCP/IP
27 134 (19.01%) Jenkins
28 131 (18.58%) Configuration Management
29 130 (18.44%) Debian
29 130 (18.44%) SQL

CentOS
Top Related IT Skills in London by Category

For the 6 months to 27 February 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
1 223 (31.63%) Apache
2 163 (23.12%) Tomcat
3 102 (14.47%) nginx
4 69 (9.79%) IIS
5 61 (8.65%) MS Exchange
6 43 (6.10%) JBoss
7 39 (5.53%) OpenStack
8 30 (4.26%) Elasticsearch
9 27 (3.83%) Node.js
10 26 (3.69%) Exchange Server 2010
11 20 (2.84%) Confluence
12 15 (2.13%) Apache Solr
13 14 (1.99%) Lync
13 14 (1.99%) Drupal
13 14 (1.99%) WordPress
14 13 (1.84%) Moodle
15 12 (1.70%) Cloud Foundry
16 9 (1.28%) SharePoint
17 6 (0.85%) Joomla!
17 6 (0.85%) Jetty
Applications
1 56 (7.94%) MS Excel
2 6 (0.85%) MS Office
3 4 (0.57%) Photoshop
4 1 (0.14%) Maya
Business Applications
1 13 (1.84%) Magento
2 11 (1.56%) Dynamics CRM
3 5 (0.71%) Oracle General Ledger
4 1 (0.14%) Oracle BPM
Cloud Services
1 152 (21.56%) Amazon AWS
2 42 (5.96%) Amazon EC2
3 27 (3.83%) Amazon S3
4 21 (2.98%) GitHub
5 20 (2.84%) Office 365
6 19 (2.70%) Cloud Computing
6 19 (2.70%) PaaS
7 18 (2.55%) SaaS
7 18 (2.55%) Rackspace Cloud
8 14 (1.99%) IaaS
9 11 (1.56%) Microsoft Azure
10 10 (1.42%) Heroku
10 10 (1.42%) Engine Yard
11 9 (1.28%) Amazon ELB
12 6 (0.85%) SoftLayer
13 4 (0.57%) Joyent
14 3 (0.43%) Sumo Logic
15 2 (0.28%) Route 53
15 2 (0.28%) Amazon SQS
16 1 (0.14%) CloudFront
Communications & Networking
1 143 (20.28%) Firewall
2 135 (19.15%) TCP/IP
3 127 (18.01%) DNS
4 100 (14.18%) VPN
5 91 (12.91%) SAN
6 81 (11.49%) LAN
7 80 (11.35%) WAN
8 78 (11.06%) LDAP
9 54 (7.66%) HTTP
10 48 (6.81%) SMTP
11 44 (6.24%) VLAN
12 41 (5.82%) SSL
13 38 (5.39%) SNMP
14 35 (4.96%) MPLS
14 35 (4.96%) iSCSI
15 32 (4.54%) SSH
15 32 (4.54%) BGP
16 30 (4.26%) DHCP
17 28 (3.97%) Ethernet
18 22 (3.12%) VoIP
Database & Business Intelligence
1 266 (37.73%) MySQL
2 89 (12.62%) MongoDB
3 65 (9.22%) PostgreSQL
4 64 (9.08%) Redis
5 63 (8.94%) NoSQL
6 61 (8.65%) SQL Server
7 57 (8.09%) Relational Database
8 33 (4.68%) Apache Cassandra
9 27 (3.83%) Big Data
10 19 (2.70%) Amazon DynamoDB
10 19 (2.70%) Hadoop
11 15 (2.13%) CouchDB
11 15 (2.13%) MariaDB
12 13 (1.84%) Couchbase
13 12 (1.70%) RDBMS
14 9 (1.28%) Amazon RDS
15 8 (1.13%) SQL Server 2005
16 7 (0.99%) Riak
17 5 (0.71%) Oracle Database
17 5 (0.71%) SQL Server 2008
Development Applications
1 168 (23.83%) Git (software)
2 134 (19.01%) Jenkins
3 66 (9.36%) Subversion
4 45 (6.38%) Maven
5 42 (5.96%) JIRA
6 29 (4.11%) Hudson
7 21 (2.98%) Behat
8 17 (2.41%) Ant
9 16 (2.27%) Mercurial
10 15 (2.13%) PHPUnit
10 15 (2.13%) Atlassian Bamboo
11 13 (1.84%) Selenium
12 12 (1.70%) SoapUI
13 9 (1.28%) Eclipse
13 9 (1.28%) IntelliJ
14 8 (1.13%) Cucumber
15 6 (0.85%) Yeoman
16 4 (0.57%) Grunt
16 4 (0.57%) Bazaar
16 4 (0.57%) Team Foundation Server
General
1 71 (10.07%) Finance
2 37 (5.25%) Retail
3 34 (4.82%) Games
4 25 (3.55%) Back Office
5 24 (3.40%) Telecoms
6 23 (3.26%) Banking
7 20 (2.84%) Advertising
8 19 (2.70%) Marketing
9 8 (1.13%) Publishing
10 6 (0.85%) Law
11 3 (0.43%) Spanish Language
12 2 (0.28%) Financial Institution
12 2 (0.28%) Legal
13 1 (0.14%) Investment Banking
Job Titles
1 269 (38.16%) Systems Administrator
2 261 (37.02%) Administrator
3 198 (28.09%) Linux Administrator
4 194 (27.52%) Linux Systems Administrator
5 110 (15.60%) DevOps Engineer
6 92 (13.05%) Linux Engineer
7 87 (12.34%) Developer
8 58 (8.23%) Linux DevOps Engineer
9 56 (7.94%) Systems Engineer
10 42 (5.96%) Senior Systems Administrator
11 37 (5.25%) PHP Developer
12 30 (4.26%) Senior DevOps Engineer
13 25 (3.55%) Analyst
13 25 (3.55%) Senior Linux Administrator
13 25 (3.55%) Senior Linux Systems Administrator
14 24 (3.40%) Web Developer
14 24 (3.40%) Infrastructure Engineer
15 21 (2.98%) Senior Developer
16 20 (2.84%) Network Engineer
17 19 (2.70%) Support Engineer
Libraries, Frameworks & Software Standards
1 136 (19.29%) Web Services
2 116 (16.45%) LAMP
3 84 (11.91%) HTML
4 66 (9.36%) CSS
5 46 (6.52%) HTML5
6 41 (5.82%) Symfony
7 38 (5.39%) XML
8 37 (5.25%) RESTful
9 32 (4.54%) jQuery
10 31 (4.40%) .NET
11 27 (3.83%) MCollective
12 26 (3.69%) XSLT
13 25 (3.55%) RabbitMQ
14 24 (3.40%) REST
14 24 (3.40%) Memcached
15 23 (3.26%) Ajax
16 22 (3.12%) Backbone.js
17 20 (2.84%) Django
18 15 (2.13%) CSS3
18 15 (2.13%) Spring
Miscellaneous
1 70 (9.93%) Open Source
2 57 (8.09%) Analytical Skills
3 42 (5.96%) Clustering
4 39 (5.53%) Replication
5 33 (4.68%) Computer Science
6 25 (3.55%) Streaming Video
7 18 (2.55%) E-Learning
7 18 (2.55%) CESG
8 17 (2.41%) Hedge funds
9 15 (2.13%) Digital Media
9 15 (2.13%) Mobile App
10 13 (1.84%) VLE
11 12 (1.70%) Wiki
12 11 (1.56%) Over-the-Top Content
13 10 (1.42%) Management Information System
13 10 (1.42%) Device Driver
14 9 (1.28%) Learning Management System
15 8 (1.13%) Social Network
15 8 (1.13%) Field-Programmable Gate Array
15 8 (1.13%) IPTV
Operating Systems
1 690 (97.87%) Linux
2 328 (46.52%) Red Hat Enterprise Linux
3 240 (34.04%) Windows
4 189 (26.81%) Ubuntu
5 130 (18.44%) Debian
6 86 (12.20%) Windows Server 2008
7 85 (12.06%) UNIX
8 46 (6.52%) Fedora
9 36 (5.11%) Mac OS X
10 26 (3.69%) Windows Server 2003
11 23 (3.26%) Windows Server 2012
12 16 (2.27%) Windows 7
13 15 (2.13%) SUSE
14 14 (1.99%) Apple iOS
15 11 (1.56%) Amazon Linux
15 11 (1.56%) Android
16 9 (1.28%) Solaris
17 7 (0.99%) Mac OS
18 6 (0.85%) Windows 2000
19 2 (0.28%) Windows XP
Processes & Methodologies
1 201 (28.51%) DevOps
2 139 (19.72%) Agile Software Development
3 131 (18.58%) Configuration Management
4 94 (13.33%) E-Commerce
5 88 (12.48%) Continuous Integration
6 86 (12.20%) Load Balancing
7 66 (9.36%) Performance Tuning
8 65 (9.22%) ITIL
9 51 (7.23%) Time Management
10 47 (6.67%) Scrum
11 45 (6.38%) OO
12 28 (3.97%) TDD
13 27 (3.83%) OOP
14 24 (3.40%) Mentoring
14 24 (3.40%) Build Automation
15 22 (3.12%) CRM
15 22 (3.12%) Web Development
16 20 (2.84%) Disaster Recovery
17 18 (2.55%) DRM
17 18 (2.55%) Project Management
Programming Languages
1 319 (45.25%) Python
2 275 (39.01%) Bash Shell
3 215 (30.50%) PHP
4 211 (29.93%) Perl
5 194 (27.52%) Ruby
6 184 (26.10%) Java
7 130 (18.44%) SQL
8 73 (10.35%) JavaScript
9 59 (8.37%) Shell Script
10 32 (4.54%) PowerShell
11 22 (3.12%) PHP5
12 20 (2.84%) C++
13 18 (2.55%) Scala
14 14 (1.99%) C#
15 12 (1.70%) Korn
16 10 (1.42%) sed
17 9 (1.28%) T-SQL
18 8 (1.13%) AWK
19 7 (0.99%) XQuery
20 6 (0.85%) Tcl
Qualifications
1 59 (8.37%) Degree
2 33 (4.68%) Cisco Certification
3 26 (3.69%) RHCE
4 23 (3.26%) VMware Certified Professional (VCP)
5 19 (2.70%) Microsoft Certification
5 19 (2.70%) MCSE
6 17 (2.41%) CCNP
6 17 (2.41%) CCNA
7 15 (2.13%) Security Cleared
7 15 (2.13%) VCP4
8 13 (1.84%) MCSA
9 11 (1.56%) SC Cleared
9 11 (1.56%) MCP
10 6 (0.85%) MCITP
11 5 (0.71%) A+ Certification
11 5 (0.71%) CCA
11 5 (0.71%) Citrix Certification
11 5 (0.71%) CCEA
12 4 (0.57%) CCIE
13 3 (0.43%) LPIC
Quality Assurance & Compliance
1 30 (4.26%) QA
2 14 (1.99%) SLA
3 5 (0.71%) ISO/IEC 27001
4 4 (0.57%) PCI DSS
5 2 (0.28%) ISO 9001
5 2 (0.28%) ISO 14001
System Software
1 161 (22.84%) VMware Infrastructure
2 63 (8.94%) Active Directory
3 62 (8.79%) vSphere
4 37 (5.25%) XenServer
5 34 (4.82%) Varnish
6 30 (4.26%) Docker
6 30 (4.26%) NFS
7 28 (3.97%) VMware ESXi
8 27 (3.83%) Samba
9 21 (2.98%) Xen
10 19 (2.70%) Postfix
11 18 (2.55%) LXC
12 17 (2.41%) vCloud
13 16 (2.27%) VMware ESX
14 14 (1.99%) Hyper-V
15 13 (1.84%) Terminal Services
15 13 (1.84%) KVM
16 7 (0.99%) VirtualBox
17 6 (0.85%) XenDesktop
18 4 (0.57%) XenApp
Systems Management
1 341 (48.37%) Puppet
2 180 (25.53%) Opscode Chef
3 170 (24.11%) Nagios
4 70 (9.93%) ZABBIX
5 59 (8.37%) Ansible
6 48 (6.81%) Vagrant
7 42 (5.96%) Cacti
8 25 (3.55%) WSUS
8 25 (3.55%) logstash
8 25 (3.55%) Salt
9 24 (3.40%) SELinux
10 21 (2.98%) Icinga
10 21 (2.98%) Graphite
11 18 (2.55%) ITRS Geneos
12 17 (2.41%) Cobbler
13 11 (1.56%) Ganglia
13 11 (1.56%) HAProxy
14 10 (1.42%) collectd
14 10 (1.42%) Red Hat Spacewalk
14 10 (1.42%) CFEngine
Vendors
1 442 (62.70%) Red Hat
2 281 (39.86%) VMware
3 109 (15.46%) Microsoft
4 89 (12.62%) Cisco
5 48 (6.81%) HP
6 45 (6.38%) Oracle
6 45 (6.38%) Citrix
7 38 (5.39%) Zend
8 37 (5.25%) Rackspace
9 21 (2.98%) Juniper
10 19 (2.70%) Perforce
11 18 (2.55%) Akamai
11 18 (2.55%) Bloomberg
12 17 (2.41%) Reuters
12 17 (2.41%) F5
13 16 (2.27%) Splunk
13 16 (2.27%) Percona
14 15 (2.13%) Dell
15 13 (1.84%) NYFIX
15 13 (1.84%) Patsystems
London
Search Consultancy
Posted: 13 hours ago
London
Freshtechit
Salary: From £30,000 to £37,000 per annum
Posted: 15 hours ago
City, London
Ashdown IT
Salary: £35000 - £55000 per annum + Benefits
Posted: 19 hours ago
London
Net Recruit.co.uk Ltd
Salary: Circa £40,000 DOE
Posted: 19 hours ago
London
Nicoll Curtin
Salary: £50000 - £65000 per annum + Bonus + Benefits
Posted: Yesterday
London
Next Ventures Ltd
Salary: From £60,000 to £70,000 per annum
Posted: Yesterday
Central London / West End
Evolution Recruitment Solutions
Salary: 37,000 - 45,000
Posted: Yesterday
London
Gold Group
Salary: Market rates depending on experience
Posted: Yesterday
City, London
Senitor Associates
Salary: £30000 - £50000 per annum + great company
Posted: Yesterday
Isleworth, Middlesex
Opus Resourcing Ltd
Salary: £90000 - £120000 per annum + Bens + Bonus
Posted: 2 days ago
City, London
Digital Pursuit Ltd
Salary: From £40,000 to £50,000 per annum
Posted: 2 days ago
South West London
Digitech Resourcing Ltd
Salary: Up to £50 per annum
Posted: 2 days ago
City, London
Digitech Resourcing Ltd
Salary: Up to £65,000 per annum + Benefits
Posted: 2 days ago
London
Monarch Recruitment
Salary: £50000 - £65000 per annum
Posted: 3 days ago
Central London / West End
Reed Business Information Ltd
Salary: From £60,000 to £70,000 per annum + 29 days + share ops scheme + pensi
Posted: 3 days ago
London
Lorien Resourcing
Salary: £45000 - £57000 per annum + Excellent benefits
Posted: 3 days ago
North London
Kyna Associates
Salary: £30000 - £40000 Per Annum
Posted: 3 days ago
Hayes, Middlesex
Rackspace
Salary: Competitive
Posted: 4 days ago
London
Austin Fraser
Salary: £55000.00 - £80000.00 per annum + + Stock
Posted: 5 days ago
London
Telefonica
Posted: 7 days ago