The table below looks at the statistics for CentOS skills in IT jobs advertised for the City of London region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 22 May 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
22 May 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 259 301 280
Rank change year-on-year
+42 -21
Permanent jobs citing CentOS 43 41 48
As % of all permanent IT jobs located in the City of London 0.43% 0.32% 0.41%
As % of the Operating Systems category 1.73% 1.21% 1.58%
Number of salaries quoted 40 33 35
Average salary £43,750 £50,000 £52,500
Average salary % change year-on-year
-12.50% -4.76%
90% offered a salary of more than £32,500 £35,100 £35,500
10% offered a salary of more than £60,500 £62,000 £65,000
UK excluding London average salary £42,500 £37,500 £38,500
% change year-on-year
+13.33% -2.59%
CentOS
London

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in permanent jobs advertised in the City of London region.

Operating Systems Category
City of London
Permanent IT job ads with a match in the
Operating Systems category
2487 3378 3034
As % of all permanent IT jobs located in the City of London 24.78% 26.74% 25.83%
Number of salaries quoted 2170 3000 2700
Average salary £50,000 £50,000 £50,000
90% offered a salary of more than £30,000 £29,000 £32,500
10% offered a salary of more than £70,000 £72,500 £72,500
UK excluding London average salary £37,500 £36,500 £37,500
% change year-on-year
+2.73% -2.66%

CentOS
Jobs Demand Trend in the City of London

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

CentOS Jobs Demand Trend in the City of London

CentOS
Salary Trend in the City of London

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

CentOS Salary Trend in the City of London

CentOS
Salary Histogram in the City of London

This chart provides a salary histogram for IT jobs citing CentOS across the City of London region over the 3 months to 22 May 2015.

CentOS Salary Histogram in the City of London

CentOS
Top 30 Related IT Skills in the City of London

For the 6 months to 22 May 2015, IT jobs across the City of 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 81 (94.19%) Linux
2 54 (62.79%) VMware
3 48 (55.81%) Red Hat
4 42 (48.84%) VMware Infrastructure
5 38 (44.19%) Red Hat Enterprise Linux
6 35 (40.70%) Windows
7 32 (37.21%) Bash Shell
8 30 (34.88%) Apache
9 29 (33.72%) MySQL
10 26 (30.23%) DNS
10 26 (30.23%) Cisco
11 25 (29.07%) PHP
12 24 (27.91%) Python
12 24 (27.91%) Puppet
13 22 (25.58%) Microsoft
13 22 (25.58%) Git (software)
14 21 (24.42%) Finance
15 20 (23.26%) Firewall
15 20 (23.26%) SQL Server
16 19 (22.09%) VPN
17 18 (20.93%) Citrix
17 18 (20.93%) HP
17 18 (20.93%) Ruby
17 18 (20.93%) Ubuntu
18 17 (19.77%) Agile Software Development
18 17 (19.77%) Perl
18 17 (19.77%) Opscode Chef
18 17 (19.77%) DevOps
19 16 (18.60%) OO
19 16 (18.60%) Java

CentOS
Top Related IT Skills in the City of London by Category

For the 6 months to 22 May 2015, IT jobs across the City of 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 30 (34.88%) Apache
2 10 (11.63%) IIS
3 9 (10.47%) nginx
3 9 (10.47%) SharePoint
4 6 (6.98%) Tomcat
5 4 (4.65%) Node.js
6 3 (3.49%) WordPress
6 3 (3.49%) Drupal
6 3 (3.49%) Confluence
6 3 (3.49%) MS Exchange
7 2 (2.33%) JBoss
8 1 (1.16%) Mule
8 1 (1.16%) GlassFish
8 1 (1.16%) Jetty
8 1 (1.16%) MediaWiki
8 1 (1.16%) Elasticsearch
Applications
1 4 (4.65%) MS Excel
2 2 (2.33%) Photoshop
Business Applications
1 2 (2.33%) Magento
Cloud Services
1 15 (17.44%) Amazon AWS
2 4 (4.65%) Amazon EC2
3 2 (2.33%) Route 53
3 2 (2.33%) Amazon S3
3 2 (2.33%) Microsoft Azure
4 1 (1.16%) SaaS
4 1 (1.16%) AWS Elastic Beanstalk
4 1 (1.16%) Amazon SQS
4 1 (1.16%) GitHub
Communications & Networking
1 26 (30.23%) DNS
2 20 (23.26%) Firewall
3 19 (22.09%) VPN
4 14 (16.28%) SAN
5 13 (15.12%) TCP/IP
6 12 (13.95%) VoIP
6 12 (13.95%) WAN
7 11 (12.79%) VLAN
8 9 (10.47%) Fibre Channel
8 9 (10.47%) LDAP
9 8 (9.30%) DHCP
9 8 (9.30%) BGP
9 8 (9.30%) Network Security
10 7 (8.14%) iSCSI
11 6 (6.98%) OSPF
11 6 (6.98%) Cisco ASA
12 5 (5.81%) Cisco IOS
12 5 (5.81%) Asterisk PBX
12 5 (5.81%) LAN
13 4 (4.65%) IPsec
Database & Business Intelligence
1 29 (33.72%) MySQL
2 20 (23.26%) SQL Server
3 15 (17.44%) Relational Database
4 6 (6.98%) MongoDB
5 5 (5.81%) PostgreSQL
6 2 (2.33%) MariaDB
6 2 (2.33%) NoSQL
6 2 (2.33%) Ingres
7 1 (1.16%) SQL Server 2008
7 1 (1.16%) Hadoop
7 1 (1.16%) RDBMS
7 1 (1.16%) Big Data
7 1 (1.16%) Amazon DynamoDB
7 1 (1.16%) Amazon RDS
Development Applications
1 22 (25.58%) Git (software)
2 10 (11.63%) Subversion
2 10 (11.63%) Jenkins
3 8 (9.30%) Maven
4 5 (5.81%) JIRA
5 4 (4.65%) TeamCity
6 3 (3.49%) Hudson
7 2 (2.33%) Gradle
7 2 (2.33%) Grunt
7 2 (2.33%) Ant
7 2 (2.33%) Team Foundation Server
8 1 (1.16%) Atlassian Bamboo
8 1 (1.16%) Mercurial
8 1 (1.16%) Eclipse
8 1 (1.16%) GitLab
8 1 (1.16%) Trac
8 1 (1.16%) Bower
General
1 21 (24.42%) Finance
2 14 (16.28%) Banking
3 11 (12.79%) Retail
4 10 (11.63%) Telecoms
5 8 (9.30%) Advertising
6 2 (2.33%) Back Office
6 2 (2.33%) Marketing
7 1 (1.16%) Games
Job Titles
1 25 (29.07%) Administrator
2 23 (26.74%) Systems Administrator
3 12 (13.95%) Architect
3 12 (13.95%) Senior Architect
3 12 (13.95%) DevOps Engineer
4 10 (11.63%) Linux Administrator
5 8 (9.30%) Developer
5 8 (9.30%) Linux Systems Administrator
6 7 (8.14%) Pre Sales Consultant
6 7 (8.14%) Consultant
6 7 (8.14%) Sales Consultant
7 6 (6.98%) Network Engineer
7 6 (6.98%) Linux Engineer
8 5 (5.81%) Senior DevOps Engineer
9 4 (4.65%) PHP Developer
9 4 (4.65%) Network Administrator
10 3 (3.49%) Infrastructure Engineer
10 3 (3.49%) Software Engineer
11 2 (2.33%) Platform Engineer
11 2 (2.33%) Linux DevOps Engineer
Libraries, Frameworks & Software Standards
1 13 (15.12%) Web Services
1 13 (15.12%) LAMP
2 6 (6.98%) CGI
3 5 (5.81%) .NET
4 4 (4.65%) HTML
4 4 (4.65%) CSS
4 4 (4.65%) Spring
5 3 (3.49%) Symfony
5 3 (3.49%) WAMP
5 3 (3.49%) jQuery
5 3 (3.49%) RESTful
5 3 (3.49%) ASP.NET
5 3 (3.49%) LESS
5 3 (3.49%) AngularJS
5 3 (3.49%) REST
6 2 (2.33%) Underscore.js
6 2 (2.33%) Twitter Bootstrap
6 2 (2.33%) Backbone.js
6 2 (2.33%) WebSockets
6 2 (2.33%) Sass
Miscellaneous
1 8 (9.30%) Replication
2 7 (8.14%) Analytical Skills
3 5 (5.81%) Open Source
4 3 (3.49%) Clustering
5 2 (2.33%) User Experience
5 2 (2.33%) Streaming Video
5 2 (2.33%) W3C
5 2 (2.33%) Client/Server
5 2 (2.33%) Enterprise Storage
6 1 (1.16%) Tandem
6 1 (1.16%) Computer Science
6 1 (1.16%) Wiki
6 1 (1.16%) MHEG
6 1 (1.16%) Inversion of Control
6 1 (1.16%) Private Cloud
6 1 (1.16%) Hybrid Cloud
6 1 (1.16%) Digital Media
6 1 (1.16%) Mobile App
Operating Systems
1 81 (94.19%) Linux
2 38 (44.19%) Red Hat Enterprise Linux
3 35 (40.70%) Windows
4 18 (20.93%) Ubuntu
5 16 (18.60%) Debian
6 12 (13.95%) UNIX
7 8 (9.30%) Windows Server 2008
7 8 (9.30%) Fedora
8 5 (5.81%) Windows Server 2012
9 3 (3.49%) Mac OS X
10 2 (2.33%) Windows 7
11 1 (1.16%) Mac OS
11 1 (1.16%) Windows 2000
11 1 (1.16%) Windows Server 2003
11 1 (1.16%) SUSE
11 1 (1.16%) Amazon Linux
11 1 (1.16%) Scientific Linux
Processes & Methodologies
1 17 (19.77%) Agile Software Development
1 17 (19.77%) DevOps
2 16 (18.60%) OO
3 12 (13.95%) Load Balancing
4 11 (12.79%) ITIL
5 10 (11.63%) OOD
5 10 (11.63%) Stakeholder Management
6 9 (10.47%) Business Development
6 9 (10.47%) Continuous Integration
6 9 (10.47%) Disaster Recovery
7 7 (8.14%) Software Engineering
8 5 (5.81%) Configuration Management
8 5 (5.81%) Change Management
8 5 (5.81%) Migration
8 5 (5.81%) MVC
8 5 (5.81%) Scrum
9 4 (4.65%) Build Automation
9 4 (4.65%) E-Commerce
10 3 (3.49%) Business Continuity
10 3 (3.49%) Asset Management
Programming Languages
1 32 (37.21%) Bash Shell
2 25 (29.07%) PHP
3 24 (27.91%) Python
4 18 (20.93%) Ruby
5 17 (19.77%) Perl
6 16 (18.60%) Java
7 14 (16.28%) SQL
8 8 (9.30%) Shell Script
9 6 (6.98%) JavaScript
9 6 (6.98%) PowerShell
10 3 (3.49%) C#
11 2 (2.33%) PHP5
12 1 (1.16%) AWK
12 1 (1.16%) Scala
12 1 (1.16%) T-SQL
12 1 (1.16%) sed
12 1 (1.16%) TypeScript
Qualifications
1 14 (16.28%) Degree
2 8 (9.30%) Microsoft Certification
3 7 (8.14%) VMware Certified Professional (VCP)
3 7 (8.14%) Cisco Certification
4 6 (6.98%) CCA
4 6 (6.98%) Citrix Certification
4 6 (6.98%) CCEA
4 6 (6.98%) MCSE
4 6 (6.98%) MCSA
5 4 (4.65%) CCNP
6 3 (3.49%) CCNA
7 2 (2.33%) Linux+ Certification
7 2 (2.33%) MCITP
7 2 (2.33%) LPIC
8 1 (1.16%) Security Cleared
8 1 (1.16%) CCIE
Quality Assurance & Compliance
1 8 (9.30%) SLA
2 5 (5.81%) QA
3 1 (1.16%) PCI DSS
System Software
1 42 (48.84%) VMware Infrastructure
2 15 (17.44%) vSphere
3 14 (16.28%) Active Directory
4 7 (8.14%) Hyper-V
4 7 (8.14%) XenDesktop
5 5 (5.81%) Xen
5 5 (5.81%) NFS
6 4 (4.65%) KVM
6 4 (4.65%) VMware ESXi
6 4 (4.65%) Postfix
7 3 (3.49%) XenServer
7 3 (3.49%) Varnish
7 3 (3.49%) Terminal Services
7 3 (3.49%) Samba
8 2 (2.33%) Docker
8 2 (2.33%) iptables
8 2 (2.33%) VMware Server
8 2 (2.33%) Microsoft Virtual Server
9 1 (1.16%) VMware ESX
9 1 (1.16%) Squid
Systems Management
1 24 (27.91%) Puppet
2 17 (19.77%) Opscode Chef
3 14 (16.28%) Nagios
4 5 (5.81%) ZABBIX
4 5 (5.81%) Cacti
5 4 (4.65%) Ansible
5 4 (4.65%) logstash
6 3 (3.49%) Pingdom
7 1 (1.16%) EMC NetWorker
7 1 (1.16%) Zenoss
7 1 (1.16%) Salt
7 1 (1.16%) Kibana
7 1 (1.16%) Cobbler
7 1 (1.16%) Vagrant
7 1 (1.16%) HAProxy
Vendors
1 54 (62.79%) VMware
2 48 (55.81%) Red Hat
3 26 (30.23%) Cisco
4 22 (25.58%) Microsoft
5 18 (20.93%) Citrix
5 18 (20.93%) HP
6 8 (9.30%) Oracle
7 3 (3.49%) CheckPoint
7 3 (3.49%) AppDynamics
7 3 (3.49%) SaltStack
7 3 (3.49%) Splunk
8 2 (2.33%) Facebook
8 2 (2.33%) Twitter
8 2 (2.33%) Juniper
8 2 (2.33%) ProCurve
8 2 (2.33%) Zend
9 1 (1.16%) Trend Micro
9 1 (1.16%) Sybase
9 1 (1.16%) Dell
9 1 (1.16%) EMC
City, London
Digital Gurus
Salary: £50000 - £60000 Per Annum
Posted: 2 days ago
City, London
Austin Fraser
Salary: £50000.00 - £60000.00 per annum
Posted: 3 days ago
City, London
Salt
Salary: £50000 - £55000 per annum + Bonus, Pension, Package
Posted: 3 days ago
City of London
Quantica Technology - London
Salary: £40000 - £55000 per annum
Posted: 4 days ago
City, London
Client Server
Salary: £55k to £65k + benefits
Posted: 4 days ago
City, London
Digital Pursuit Ltd
Salary: From £50,000 to £55,000 per annum
Posted: 6 days ago
City, London
Lawrence Harvey Enterprise
Salary: £30000.00 - £40000.00 per annum + Health, Life, Pension
Posted: 6 days ago
City, London
Salt
Salary: £70000 - £80000 per annum + 20% Bonus + Package
Posted: 6 days ago
City of London
Explore Group
Posted: 8 days ago
City of London
Lawrence Harvey
Salary: £30000.00 - £40000.00 per annum
Posted: 10 days ago