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

Location
3 months to
27 May 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 336 384 317
Rank change year-on-year
+48 -67
Permanent jobs citing CentOS 343 310 335
As % of all permanent IT jobs located in London 0.78% 0.63% 0.77%
As % of the Operating Systems category 2.85% 2.30% 2.82%
Number of salaries quoted 289 281 298
Average salary £54,000 £50,000 £48,750
Average salary % change year-on-year
+8.00% +2.56%
90% offered a salary of more than £34,500 £37,500 £32,500
10% offered a salary of more than £65,500 £62,500 £60,000
UK excluding London average salary £40,000 £37,500 £38,500
% change year-on-year
+6.66% -2.59%
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
12054 13490 11870
As % of all permanent IT jobs located in London 27.46% 27.54% 27.14%
Number of salaries quoted 10400 11569 10138
Average salary £50,000 £47,500 £47,500
Average salary % change year-on-year
+5.26% -
90% offered a salary of more than £28,000 £27,500 £29,500
10% offered a salary of more than £75,000 £70,000 £72,500
UK excluding London average salary £37,500 £36,250 £37,500
% change year-on-year
+3.44% -3.33%

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 May 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 May 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 +49 43 £43,750 -9.32% 13
Bermondsey - 5 - -
Hammersmith - 4 £43,750 - 1
CentOS
England

CentOS
Top 30 Related IT Skills in London

For the 6 months to 27 May 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.

1 645 (96.27%) Linux
2 390 (58.21%) Red Hat
3 305 (45.52%) Red Hat Enterprise Linux
4 304 (45.37%) Bash Shell
5 293 (43.73%) Puppet
6 290 (43.28%) Python
7 287 (42.84%) VMware
8 250 (37.31%) MySQL
9 232 (34.63%) Apache
10 231 (34.48%) Ubuntu
11 217 (32.39%) DevOps
12 208 (31.04%) Windows
13 197 (29.40%) Opscode Chef
14 195 (29.10%) VMware Infrastructure
15 194 (28.96%) Java
16 193 (28.81%) Amazon AWS
17 186 (27.76%) Perl
18 178 (26.57%) Ruby
19 174 (25.97%) PHP
20 162 (24.18%) DNS
21 155 (23.13%) Firewall
22 146 (21.79%) Agile Software Development
23 142 (21.19%) Nagios
24 140 (20.90%) Git (software)
25 139 (20.75%) Tomcat
26 135 (20.15%) Configuration Management
27 132 (19.70%) Debian
28 130 (19.40%) VPN
29 126 (18.81%) nginx
30 123 (18.36%) TCP/IP

CentOS
Top Related IT Skills in London by Category

For the 6 months to 27 May 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
1 232 (34.63%) Apache
2 139 (20.75%) Tomcat
3 126 (18.81%) nginx
4 59 (8.81%) IIS
5 49 (7.31%) MS Exchange
5 49 (7.31%) OpenStack
6 45 (6.72%) JBoss
7 38 (5.67%) Confluence
8 33 (4.93%) Elasticsearch
9 28 (4.18%) Exchange Server 2010
10 23 (3.43%) Node.js
11 16 (2.39%) Cloud Foundry
12 14 (2.09%) Lync
12 14 (2.09%) SharePoint
13 12 (1.79%) Drupal
14 10 (1.49%) Jetty
15 9 (1.34%) MediaWiki
16 8 (1.19%) Apache Solr
17 7 (1.04%) Moodle
18 3 (0.45%) Mule
Applications
1 51 (7.61%) MS Excel
2 4 (0.60%) MS Office
3 3 (0.45%) Photoshop
4 2 (0.30%) Maya
5 1 (0.15%) PowerPivot
Business Applications
1 11 (1.64%) Dynamics CRM
2 6 (0.90%) Oracle General Ledger
3 5 (0.75%) RMDS
4 4 (0.60%) Magento
5 2 (0.30%) Cordys
6 1 (0.15%) SAP Business One
Cloud Services
1 193 (28.81%) Amazon AWS
2 68 (10.15%) Amazon EC2
3 33 (4.93%) PaaS
4 29 (4.33%) Office 365
5 26 (3.88%) Amazon S3
6 21 (3.13%) SaaS
7 18 (2.69%) GitHub
8 17 (2.54%) Microsoft Azure
9 15 (2.24%) Cloud Computing
10 11 (1.64%) Route 53
10 11 (1.64%) IaaS
11 10 (1.49%) Heroku
11 10 (1.49%) Engine Yard
12 8 (1.19%) Rackspace Cloud
13 7 (1.04%) Amazon ELB
14 5 (0.75%) AWS CloudFormation
15 4 (0.60%) Virtual Private Cloud
15 4 (0.60%) Datadog
15 4 (0.60%) Joyent
16 3 (0.45%) Amazon SQS
Communications & Networking
1 162 (24.18%) DNS
2 155 (23.13%) Firewall
3 130 (19.40%) VPN
4 123 (18.36%) TCP/IP
5 87 (12.99%) SAN
6 78 (11.64%) LDAP
7 73 (10.90%) WAN
8 60 (8.96%) VLAN
9 56 (8.36%) HTTP
10 52 (7.76%) LAN
11 48 (7.16%) DHCP
12 41 (6.12%) Internet
13 40 (5.97%) SMTP
14 35 (5.22%) SNMP
14 35 (5.22%) BGP
15 34 (5.07%) iSCSI
16 33 (4.93%) SSL
17 31 (4.63%) IPsec
17 31 (4.63%) VoIP
18 30 (4.48%) Network Security
Database & Business Intelligence
1 250 (37.31%) MySQL
2 89 (13.28%) MongoDB
3 75 (11.19%) SQL Server
4 61 (9.10%) PostgreSQL
5 56 (8.36%) NoSQL
6 54 (8.06%) Relational Database
7 51 (7.61%) Redis
8 26 (3.88%) Apache Cassandra
9 23 (3.43%) Couchbase
10 20 (2.99%) MariaDB
10 20 (2.99%) Amazon DynamoDB
10 20 (2.99%) Amazon RDS
11 16 (2.39%) Big Data
11 16 (2.39%) Hadoop
12 13 (1.94%) RDBMS
13 9 (1.34%) Oracle Database
14 8 (1.19%) HBase
15 7 (1.04%) Oracle Database 11g
16 6 (0.90%) CouchDB
16 6 (0.90%) Informix
Development Applications
1 140 (20.90%) Git (software)
2 115 (17.16%) Jenkins
3 59 (8.81%) JIRA
4 56 (8.36%) Subversion
5 47 (7.01%) Maven
6 26 (3.88%) Hudson
7 20 (2.99%) Ant
8 19 (2.84%) Eclipse
9 15 (2.24%) TeamCity
10 14 (2.09%) Selenium
10 14 (2.09%) SoapUI
11 13 (1.94%) Atlassian Bamboo
11 13 (1.94%) IntelliJ
12 12 (1.79%) Behat
12 12 (1.79%) PHPUnit
13 11 (1.64%) Team Foundation Server
14 4 (0.60%) Gradle
14 4 (0.60%) ProC
14 4 (0.60%) Grunt
15 3 (0.45%) Juju
General
1 78 (11.64%) Finance
2 43 (6.42%) Retail
3 34 (5.07%) Games
4 33 (4.93%) Telecoms
5 28 (4.18%) Banking
6 26 (3.88%) Marketing
7 20 (2.99%) Advertising
7 20 (2.99%) Back Office
8 3 (0.45%) Investment Banking
8 3 (0.45%) Local Government
9 2 (0.30%) Financial Institution
9 2 (0.30%) Spanish Language
10 1 (0.15%) German Language
Job Titles
1 233 (34.78%) Administrator
2 229 (34.18%) Systems Administrator
3 160 (23.88%) Linux Administrator
4 150 (22.39%) Linux Systems Administrator
5 130 (19.40%) DevOps Engineer
6 71 (10.60%) Linux Engineer
7 62 (9.25%) Developer
8 60 (8.96%) Systems Engineer
9 55 (8.21%) Linux DevOps Engineer
10 30 (4.48%) Senior DevOps Engineer
11 26 (3.88%) Infrastructure Engineer
12 24 (3.58%) Linux Systems Engineer
13 20 (2.99%) Java Developer
13 20 (2.99%) Network Engineer
13 20 (2.99%) Architect
14 19 (2.84%) Senior Systems Administrator
15 18 (2.69%) Analyst
15 18 (2.69%) Support Engineer
16 17 (2.54%) PHP Developer
17 14 (2.09%) Senior Architect
Libraries, Frameworks & Software Standards
1 122 (18.21%) Web Services
2 86 (12.84%) LAMP
3 50 (7.46%) HTML
4 40 (5.97%) CSS
5 35 (5.22%) RESTful
6 31 (4.63%) RabbitMQ
7 29 (4.33%) .NET
8 20 (2.99%) XML
9 19 (2.84%) Ajax
9 19 (2.84%) HTML5
9 19 (2.84%) jQuery
10 18 (2.69%) MCollective
11 17 (2.54%) Symfony
11 17 (2.54%) FIX Protocol
12 16 (2.39%) J2EE
12 16 (2.39%) Django
12 16 (2.39%) REST
13 15 (2.24%) Backbone.js
13 15 (2.24%) Memcached
14 14 (2.09%) CSS3
Miscellaneous
1 81 (12.09%) Data Centre
2 52 (7.76%) Analytical Skills
3 41 (6.12%) Clustering
4 31 (4.63%) Replication
5 27 (4.03%) Streaming Video
6 26 (3.88%) Computer Science
7 25 (3.73%) Wiki
8 20 (2.99%) Eurex
9 18 (2.69%) Private Cloud
9 18 (2.69%) Public Cloud
9 18 (2.69%) CESG
10 17 (2.54%) Foreign Exchange (FX)
11 16 (2.39%) Hybrid Cloud
12 15 (2.24%) Over-the-Top Content
13 12 (1.79%) E-Learning
13 12 (1.79%) IPTV
14 11 (1.64%) Mobile App
15 10 (1.49%) Device Driver
16 9 (1.34%) Management Information System
17 7 (1.04%) Fixed Income
Operating Systems
1 645 (96.27%) Linux
2 305 (45.52%) Red Hat Enterprise Linux
3 231 (34.48%) Ubuntu
4 208 (31.04%) Windows
5 132 (19.70%) Debian
6 86 (12.84%) Windows Server 2008
7 84 (12.54%) UNIX
8 61 (9.10%) Fedora
9 31 (4.63%) Mac OS X
10 26 (3.88%) SUSE
10 26 (3.88%) Windows Server 2012
11 22 (3.28%) Windows Server 2003
12 18 (2.69%) Solaris
13 17 (2.54%) Windows 7
14 11 (1.64%) Apple iOS
14 11 (1.64%) Amazon Linux
15 10 (1.49%) Android
16 5 (0.75%) Scientific Linux
17 3 (0.45%) Windows XP
18 2 (0.30%) Windows 2000
Processes & Methodologies
1 217 (32.39%) DevOps
2 146 (21.79%) Agile Software Development
3 135 (20.15%) Configuration Management
4 110 (16.42%) E-Commerce
5 91 (13.58%) Load Balancing
6 89 (13.28%) Continuous Integration
7 67 (10.00%) Open Source
8 60 (8.96%) Performance Tuning
9 59 (8.81%) ITIL
10 43 (6.42%) Scrum
11 40 (5.97%) Time Management
12 32 (4.78%) Change Management
12 32 (4.78%) Disaster Recovery
12 32 (4.78%) Build Automation
13 27 (4.03%) Migration
14 25 (3.73%) OO
14 25 (3.73%) Mentoring
15 24 (3.58%) Project Management
15 24 (3.58%) TDD
16 21 (3.13%) DRM
Programming Languages
1 304 (45.37%) Bash Shell
2 290 (43.28%) Python
3 194 (28.96%) Java
4 186 (27.76%) Perl
5 178 (26.57%) Ruby
6 174 (25.97%) PHP
7 117 (17.46%) SQL
8 91 (13.58%) Shell Script
9 62 (9.25%) JavaScript
10 32 (4.78%) C++
11 24 (3.58%) C#
11 24 (3.58%) PowerShell
12 20 (2.99%) C
13 11 (1.64%) T-SQL
13 11 (1.64%) Scala
14 10 (1.49%) Korn
15 8 (1.19%) PHP5
15 8 (1.19%) Tcl
16 7 (1.04%) Groovy
17 6 (0.90%) AWK
Qualifications
1 66 (9.85%) Degree
2 37 (5.52%) Cisco Certification
3 26 (3.88%) CCNP
4 25 (3.73%) VMware Certified Professional (VCP)
5 17 (2.54%) Microsoft Certification
6 15 (2.24%) MCSE
7 13 (1.94%) RHCE
8 11 (1.64%) CCNA
9 10 (1.49%) Security Cleared
10 9 (1.34%) SC Cleared
11 8 (1.19%) MCSA
11 8 (1.19%) LPIC
12 6 (0.90%) CCIE
12 6 (0.90%) MCP
12 6 (0.90%) CCA
12 6 (0.90%) Citrix Certification
12 6 (0.90%) CCEA
12 6 (0.90%) A+ Certification
13 5 (0.75%) Linux+ Certification
14 4 (0.60%) ITIL Certification
Quality Assurance & Compliance
1 30 (4.48%) QA
2 14 (2.09%) SLA
3 1 (0.15%) PCI DSS
System Software
1 195 (29.10%) VMware Infrastructure
2 55 (8.21%) Active Directory
3 52 (7.76%) vSphere
4 48 (7.16%) XenServer
5 40 (5.97%) Postfix
6 38 (5.67%) NFS
7 31 (4.63%) Varnish
8 28 (4.18%) VMware ESX
8 28 (4.18%) Xen
9 27 (4.03%) VMware ESXi
9 27 (4.03%) Docker
10 25 (3.73%) Hyper-V
11 22 (3.28%) KVM
12 20 (2.99%) iptables
13 15 (2.24%) VirtualBox
13 15 (2.24%) Samba
14 14 (2.09%) Squid
15 10 (1.49%) Terminal Services
16 8 (1.19%) GlusterFS
17 7 (1.04%) XenDesktop
Systems Management
1 293 (43.73%) Puppet
2 197 (29.40%) Opscode Chef
3 142 (21.19%) Nagios
4 103 (15.37%) Ansible
5 59 (8.81%) ZABBIX
6 27 (4.03%) logstash
7 26 (3.88%) SELinux
7 26 (3.88%) Cacti
8 25 (3.73%) Salt
9 24 (3.58%) WSUS
10 22 (3.28%) Cobbler
10 22 (3.28%) Vagrant
11 21 (3.13%) Icinga
12 16 (2.39%) HAProxy
13 12 (1.79%) Red Hat Spacewalk
14 10 (1.49%) collectd
15 9 (1.34%) Kibana
15 9 (1.34%) Pingdom
15 9 (1.34%) CFEngine
16 8 (1.19%) Ganglia
Vendors
1 390 (58.21%) Red Hat
2 287 (42.84%) VMware
3 112 (16.72%) Microsoft
4 102 (15.22%) Cisco
5 47 (7.01%) Citrix
6 41 (6.12%) Oracle
7 33 (4.93%) HP
8 26 (3.88%) Juniper
8 26 (3.88%) Rackspace
9 25 (3.73%) Splunk
10 21 (3.13%) Bloomberg
11 19 (2.84%) AppDynamics
12 18 (2.69%) CheckPoint
13 16 (2.39%) Zend
14 15 (2.24%) Reuters
14 15 (2.24%) NYFIX
14 15 (2.24%) Patsystems
15 14 (2.09%) GL TRADE
15 14 (2.09%) Dell
15 14 (2.09%) hybris
Isleworth, Middlesex
Opus Resourcing Ltd
Salary: £45000 - £65000 per annum + Bens + Bonus
Posted: 1 hour ago
Isleworth, Middlesex
Opus Resourcing Ltd
Salary: £50000 - £70000 per annum + Bens + Bonus
Posted: 1 hour ago
City, London
Client Server
Salary: £55k to £65k + benefits
Posted: 2 hours ago
London
Initi8 Recruitment
Posted: 3 hours ago
Central London / West End
Digitech Resourcing Ltd
Salary: Up to £65,000 per annum
Posted: 10 hours ago
London
Computer People
Salary: £60000 - £70000 per annum + training, 25 days, pension
Posted: 10 hours ago
London
Computer People
Salary: £24000 - £27000 per annum + training, 25 days, pension
Posted: 10 hours ago
City, London
Harris Global
Salary: From £80,000 to £90,000 per annum + bonus and benefits
Posted: Yesterday
Central London / West End
Araya Partners Ltd
Salary: From £50,000 to £95,000 per annum Salary is approx 50-95k base + bonus
Posted: Yesterday
North West London
Davanti Solutions
Salary: £45,000 per annum
Posted: Yesterday
City, London
Randstad Technologies
Salary: £700000.00 per annum
Posted: Yesterday
City, London
Digital Pursuit Ltd
Salary: From £50,000 to £55,000 per annum
Posted: Yesterday
London
Burns Sheehan
Salary: £50000 - £70000 per annum + Excelent Benefits
Posted: 4 days ago
City, London
Digital Gurus
Salary: £50000 - £60000 Per Annum
Posted: 5 days ago
City, London
Austin Fraser
Salary: £50000.00 - £60000.00 per annum
Posted: 5 days ago
London
Mercator IT Solutions
Salary: £Good market rates with longer term salary + share options
Posted: 5 days ago
City, London
Salt
Salary: £50000 - £55000 per annum + Bonus, Pension, Package
Posted: 6 days ago
North West London
MegaNexus Limited
Salary: From £45,000 to £50,000 per annum
Posted: 6 days ago
London
Austin Fraser
Salary: £40000.00 - £55000.00 per annum + Great Bens
Posted: 6 days ago
London
Novate IT Ltd
Salary: £50000 - £60000 per annum, Benefits Plus benefits
Posted: 6 days ago