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

Location
3 months to
1 Sep 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 319 292 326
Rank change year-on-year
-27 +34
Permanent jobs citing CentOS 374 419 364
As % of all permanent IT jobs located in London 0.84% 0.89% 0.82%
As % of the Operating Systems category 3.07% 3.26% 2.97%
Number of salaries quoted 344 377 339
Average salary £55,000 £50,000 £50,000
Average salary % change year-on-year
+10.00% -
90% offered a salary of more than £35,000 £37,500 £37,500
10% offered a salary of more than £70,000 £66,000 £62,500
UK excluding London average salary £42,500 £41,750 £38,500
% change year-on-year
+1.79% +8.44%
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
12200 12851 12248
As % of all permanent IT jobs located in London 27.29% 27.28% 27.76%
Number of salaries quoted 10582 11045 10460
Average salary £50,000 £50,000 £50,000
90% offered a salary of more than £27,500 £28,000 £29,000
10% offered a salary of more than £75,000 £70,000 £70,150
UK excluding London average salary £37,500 £37,000 £37,500
% change year-on-year
+1.35% -1.33%

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 1 September 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 1 September 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 +14 50 £55,000 +22.22% 7
Brentford - 3 £45,000 -
Harrow - 3 £57,500 -
Hammersmith +1 1 £45,000 -
Croydon - 1 £40,000 - 2
CentOS
England

CentOS
Top 30 Related IT Skills in London

For the 6 months to 1 September 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.

1 664 (94.45%) Linux
2 413 (58.75%) Red Hat
3 333 (47.37%) Bash Shell
4 328 (46.66%) Python
5 314 (44.67%) Puppet
6 286 (40.68%) MySQL
7 281 (39.97%) Red Hat Enterprise Linux
8 256 (36.42%) Apache
9 247 (35.14%) Ubuntu
10 244 (34.71%) VMware
11 222 (31.58%) DevOps
12 220 (31.29%) Perl
13 219 (31.15%) Opscode Chef
14 207 (29.45%) Amazon AWS
15 199 (28.31%) Windows
16 185 (26.32%) Ruby
17 180 (25.60%) DNS
18 176 (25.04%) Java
19 168 (23.90%) PHP
20 167 (23.76%) VMware Infrastructure
21 157 (22.33%) Git (software)
22 155 (22.05%) Configuration Management
23 145 (20.63%) Debian
24 141 (20.06%) Agile Software Development
25 138 (19.63%) Firewall
26 135 (19.20%) Nagios
27 130 (18.49%) Tomcat
27 130 (18.49%) Ansible
28 126 (17.92%) nginx
29 120 (17.07%) SQL

CentOS
Top Related IT Skills in London by Category

For the 6 months to 1 September 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
1 256 (36.42%) Apache
2 130 (18.49%) Tomcat
3 126 (17.92%) nginx
4 53 (7.54%) Elasticsearch
5 50 (7.11%) OpenStack
6 47 (6.69%) IIS
7 37 (5.26%) Confluence
8 30 (4.27%) MS Exchange
9 27 (3.84%) JBoss
10 22 (3.13%) Exchange Server 2010
11 20 (2.84%) SharePoint
11 20 (2.84%) Drupal
12 17 (2.42%) Node.js
13 16 (2.28%) MediaWiki
14 9 (1.28%) Apache Solr
15 7 (1.00%) Jetty
16 6 (0.85%) WordPress
17 4 (0.57%) Moodle
17 4 (0.57%) Lync
17 4 (0.57%) Adobe Experience Manager
Applications
1 34 (4.84%) MS Excel
2 6 (0.85%) MS Office
3 5 (0.71%) MS PowerPoint
3 5 (0.71%) MS Visio
4 3 (0.43%) Photoshop
4 3 (0.43%) MS Project
5 2 (0.28%) PowerPivot
6 1 (0.14%) Maya
Business Applications
1 10 (1.42%) Magento
2 6 (0.85%) RMDS
3 3 (0.43%) Oracle General Ledger
4 2 (0.28%) Cordys
4 2 (0.28%) SAP Business One
5 1 (0.14%) Agresso
5 1 (0.14%) SAP Oil and Gas
Cloud Services
1 207 (29.45%) Amazon AWS
2 86 (12.23%) Amazon EC2
3 24 (3.41%) Amazon S3
4 19 (2.70%) Microsoft Azure
5 18 (2.56%) PaaS
5 18 (2.56%) Route 53
6 14 (1.99%) Cloud Computing
7 12 (1.71%) IaaS
8 11 (1.56%) Amazon ELB
8 11 (1.56%) AWS CloudFormation
9 9 (1.28%) Virtual Private Cloud
9 9 (1.28%) Amazon SQS
10 8 (1.14%) Office 365
11 6 (0.85%) Rackspace Cloud
11 6 (0.85%) SaaS
11 6 (0.85%) GitHub
12 3 (0.43%) Amazon CloudWatch
12 3 (0.43%) SoftLayer
13 2 (0.28%) Amazon ElastiCache
13 2 (0.28%) Google Cloud Platform
Communications & Networking
1 180 (25.60%) DNS
2 138 (19.63%) Firewall
3 118 (16.79%) TCP/IP
4 101 (14.37%) VPN
4 101 (14.37%) SAN
5 80 (11.38%) LDAP
6 79 (11.24%) DHCP
7 55 (7.82%) VLAN
8 40 (5.69%) SSH
9 38 (5.41%) Internet
10 37 (5.26%) HTTP
10 37 (5.26%) LAN
11 36 (5.12%) WAN
11 36 (5.12%) SNMP
12 34 (4.84%) BGP
12 34 (4.84%) Network Security
13 32 (4.55%) SMTP
14 31 (4.41%) Wi-Fi
15 30 (4.27%) IPsec
16 28 (3.98%) NAS
Database & Business Intelligence
1 286 (40.68%) MySQL
2 97 (13.80%) MongoDB
3 84 (11.95%) SQL Server
4 71 (10.10%) PostgreSQL
5 49 (6.97%) Redis
6 45 (6.40%) NoSQL
7 37 (5.26%) Apache Cassandra
8 31 (4.41%) Relational Database
9 30 (4.27%) Hadoop
10 28 (3.98%) Big Data
11 23 (3.27%) Amazon RDS
12 22 (3.13%) HBase
13 20 (2.84%) Couchbase
14 17 (2.42%) CouchDB
15 15 (2.13%) MariaDB
15 15 (2.13%) Oracle Database
15 15 (2.13%) OpenTSDB
16 14 (1.99%) Oracle Database 11g
17 11 (1.56%) InfluxDB
18 9 (1.28%) SQL Server 2012
Development Applications
1 157 (22.33%) Git (software)
2 111 (15.79%) Jenkins
3 67 (9.53%) Subversion
4 48 (6.83%) JIRA
5 36 (5.12%) Hudson
6 26 (3.70%) TeamCity
7 25 (3.56%) Maven
8 18 (2.56%) ProC
9 14 (1.99%) Eclipse
10 13 (1.85%) Mercurial
11 12 (1.71%) Team Foundation Server
12 11 (1.56%) Atlassian Bamboo
13 6 (0.85%) Grunt
13 6 (0.85%) Liquibase
13 6 (0.85%) Flyway
14 5 (0.71%) Selenium
15 4 (0.57%) IntelliJ
15 4 (0.57%) Ant
15 4 (0.57%) JUnit
15 4 (0.57%) Bower
General
1 99 (14.08%) Finance
2 43 (6.12%) Retail
3 39 (5.55%) Telecoms
4 27 (3.84%) Games
5 26 (3.70%) Marketing
6 24 (3.41%) Advertising
7 14 (1.99%) Banking
8 4 (0.57%) Local Government
8 4 (0.57%) Online Betting
9 3 (0.43%) Financial Institution
10 2 (0.28%) Back Office
10 2 (0.28%) Investment Banking
11 1 (0.14%) German Language
11 1 (0.14%) Electronics
11 1 (0.14%) Legal
11 1 (0.14%) Manufacturing
Job Titles
1 246 (34.99%) Administrator
2 230 (32.72%) Systems Administrator
3 180 (25.60%) Linux Administrator
4 157 (22.33%) Linux Systems Administrator
5 139 (19.77%) DevOps Engineer
6 86 (12.23%) Linux Engineer
7 68 (9.67%) Developer
8 66 (9.39%) Linux DevOps Engineer
9 48 (6.83%) Systems Engineer
10 33 (4.69%) Analyst
11 24 (3.41%) Infrastructure Engineer
12 22 (3.13%) Java Developer
13 21 (2.99%) Senior DevOps Engineer
14 20 (2.84%) Junior
14 20 (2.84%) DBA
15 19 (2.70%) Support Engineer
16 16 (2.28%) PHP Developer
17 13 (1.85%) Network Engineer
17 13 (1.85%) Senior Developer
18 12 (1.71%) Applications Support
Libraries, Frameworks & Software Standards
1 102 (14.51%) Web Services
1 102 (14.51%) LAMP
2 34 (4.84%) XML
3 30 (4.27%) HTML
3 30 (4.27%) CSS
4 27 (3.84%) RabbitMQ
5 25 (3.56%) .NET
6 24 (3.41%) JSON
7 22 (3.13%) jQuery
8 20 (2.84%) Middleware
9 18 (2.56%) RESTful
10 16 (2.28%) Django
11 15 (2.13%) Memcached
12 13 (1.85%) FIX Protocol
12 13 (1.85%) Spring
13 12 (1.71%) ASP.NET
14 11 (1.56%) J2EE
14 11 (1.56%) Rendezvous
15 10 (1.42%) Ajax
15 10 (1.42%) JSP
Miscellaneous
1 74 (10.53%) Data Centre
2 33 (4.69%) Computer Science
3 29 (4.13%) Analytical Skills
4 25 (3.56%) Private Cloud
4 25 (3.56%) Wiki
4 25 (3.56%) Management Information System
5 24 (3.41%) Clustering
5 24 (3.41%) Public Cloud
6 23 (3.27%) Hedge funds
7 21 (2.99%) Replication
8 20 (2.84%) Foreign Exchange (FX)
9 19 (2.70%) Hybrid Cloud
10 13 (1.85%) Eurex
11 10 (1.42%) Digital Media
12 9 (1.28%) CESG
13 8 (1.14%) Streaming Video
13 8 (1.14%) Online Games
13 8 (1.14%) EMC VNX
13 8 (1.14%) EMC VNXe
14 7 (1.00%) E-Learning
Operating Systems
1 664 (94.45%) Linux
2 281 (39.97%) Red Hat Enterprise Linux
3 247 (35.14%) Ubuntu
4 199 (28.31%) Windows
5 145 (20.63%) Debian
6 90 (12.80%) UNIX
7 79 (11.24%) Windows Server 2008
8 57 (8.11%) Fedora
9 45 (6.40%) Windows Server 2012
10 32 (4.55%) Windows Server 2003
11 27 (3.84%) Mac OS X
12 25 (3.56%) Solaris
12 25 (3.56%) SUSE
13 18 (2.56%) Scientific Linux
14 12 (1.71%) Amazon Linux
15 10 (1.42%) Windows 7
16 6 (0.85%) AIX
17 5 (0.71%) VMS
18 4 (0.57%) Apple iOS
19 3 (0.43%) Windows 2000
Processes & Methodologies
1 222 (31.58%) DevOps
2 155 (22.05%) Configuration Management
3 141 (20.06%) Agile Software Development
4 111 (15.79%) E-Commerce
5 85 (12.09%) Load Balancing
6 76 (10.81%) Continuous Integration
7 56 (7.97%) Open Source
8 48 (6.83%) Performance Tuning
8 48 (6.83%) ITIL
9 41 (5.83%) Project Management
10 33 (4.69%) Mentoring
11 31 (4.41%) Disaster Recovery
12 30 (4.27%) Migration
13 26 (3.70%) Scrum
13 26 (3.70%) Capacity Planning
14 24 (3.41%) Change Management
15 22 (3.13%) OO
16 21 (2.99%) Build Automation
17 19 (2.70%) Continuous Delivery
17 19 (2.70%) Data Modelling
Programming Languages
1 333 (47.37%) Bash Shell
2 328 (46.66%) Python
3 220 (31.29%) Perl
4 185 (26.32%) Ruby
5 176 (25.04%) Java
6 168 (23.90%) PHP
7 120 (17.07%) SQL
8 74 (10.53%) Shell Script
9 65 (9.25%) JavaScript
10 30 (4.27%) PowerShell
11 26 (3.70%) C++
12 24 (3.41%) C#
13 23 (3.27%) C
14 15 (2.13%) T-SQL
15 12 (1.71%) Groovy
15 12 (1.71%) Scala
16 11 (1.56%) AWK
17 8 (1.14%) PHP5
17 8 (1.14%) Tcl
18 6 (0.85%) SPARQL
Qualifications
1 94 (13.37%) Degree
2 37 (5.26%) Cisco Certification
3 22 (3.13%) CCNP
4 14 (1.99%) CCNA
4 14 (1.99%) VMware Certified Professional (VCP)
5 11 (1.56%) RHCE
6 5 (0.71%) Microsoft Certification
6 5 (0.71%) Linux+ Certification
6 5 (0.71%) LPIC
7 4 (0.57%) ITIL Certification
8 3 (0.43%) CCIE
8 3 (0.43%) MCSE
8 3 (0.43%) SC Cleared
8 3 (0.43%) Security Cleared
8 3 (0.43%) RHCSA
9 2 (0.28%) MCITP
9 2 (0.28%) MCP
9 2 (0.28%) PhD
10 1 (0.14%) MCSA
10 1 (0.14%) CCA
Quality Assurance & Compliance
1 20 (2.84%) QA
2 6 (0.85%) SLA
3 5 (0.71%) PCI DSS
4 2 (0.28%) ISO/IEC 27001
System Software
1 167 (23.76%) VMware Infrastructure
2 68 (9.67%) Active Directory
3 60 (8.53%) NFS
4 54 (7.68%) Postfix
5 51 (7.25%) XenServer
6 50 (7.11%) Docker
6 50 (7.11%) iptables
7 47 (6.69%) KVM
8 42 (5.97%) Xen
9 28 (3.98%) Varnish
10 27 (3.84%) vSphere
10 27 (3.84%) Hyper-V
11 23 (3.27%) VMware ESXi
12 21 (2.99%) Samba
13 18 (2.56%) VMware ESX
14 15 (2.13%) Squid
15 12 (1.71%) VirtualBox
16 8 (1.14%) EMC RecoverPoint
17 7 (1.00%) QEMU
18 5 (0.71%) Microsoft Virtual Server
Systems Management
1 314 (44.67%) Puppet
2 219 (31.15%) Opscode Chef
3 135 (19.20%) Nagios
4 130 (18.49%) Ansible
5 62 (8.82%) ZABBIX
6 37 (5.26%) Salt
7 21 (2.99%) logstash
8 17 (2.42%) WSUS
8 17 (2.42%) SELinux
8 17 (2.42%) Vagrant
9 16 (2.28%) ITRS Geneos
10 14 (1.99%) Icinga
11 13 (1.85%) HAProxy
11 13 (1.85%) Cacti
12 12 (1.71%) EMC NetWorker
12 12 (1.71%) yum
13 10 (1.42%) Pingdom
13 10 (1.42%) Kibana
14 9 (1.28%) Zenoss
14 9 (1.28%) NetBackup
Vendors
1 413 (58.75%) Red Hat
2 244 (34.71%) VMware
3 100 (14.22%) Cisco
4 86 (12.23%) Microsoft
5 48 (6.83%) Citrix
6 46 (6.54%) Splunk
7 41 (5.83%) Oracle
8 38 (5.41%) Rackspace
9 33 (4.69%) HP
10 28 (3.98%) Google
11 23 (3.27%) Bloomberg
12 21 (2.99%) Reuters
13 20 (2.84%) NetApp
13 20 (2.84%) CheckPoint
14 16 (2.28%) SaltStack
15 15 (2.13%) Sybase
16 13 (1.85%) Juniper
16 13 (1.85%) AppDynamics
17 11 (1.56%) Zend
17 11 (1.56%) TIBCO
South West London
Blue Glue
Salary: From £33,000 to £35,000 per annum
Posted: 2 hours ago
City, London
Franklin Fitch Limited
Salary: From £40,000 to £75,000 per annum
Posted: 6 hours ago
Central London / West End
Iter8
Salary: From £45,000 to £65,000 per annum Excellent benefits - share options,
Posted: 7 hours ago
London
ClearCube Consulting
Salary: From £60,000 to £65,000 per annum Plus benefits
Posted: 8 hours ago
London
HAYS INFORMATION TECHNOLOGY
Salary: £38000.00 - £42000 per annum + Excellent Benefits
Posted: 9 hours ago
London
Computer Futures
Salary: £60000 - £70000 per annum + competitive
Posted: 18 hours ago
City, London
Harrington Starr
Salary: £80000 per annum
Posted: 18 hours ago
London
Opus Resourcing Ltd
Salary: £60k - £65k per annum + Bens + Bonus to 20%
Posted: 19 hours ago
City, London
Harrington Starr
Salary: £80000 per annum
Posted: Yesterday
Central London / West End
Client Server
Salary: £65k to £80k + bonus + benefits
Posted: Yesterday
London
Austin Fraser
Salary: £50000.00 - £60000.00 per annum + + Bens
Posted: Yesterday
London
Austin Fraser
Salary: £50000.00 - £60000.00 per annum + Bens
Posted: Yesterday
London
Austin Fraser
Salary: £55000 - £60000 per annum + Bens
Posted: Yesterday
London
Austin Fraser
Salary: £45000 - £50000 per annum + On Call + Bonus
Posted: Yesterday
London
Spring Technology
Posted: Yesterday
Central London / West End
Understanding Recruitment
Salary: £45000 - £65000 per annum + bens - bonus, gym, pens+
Posted: 2 days ago
London
Burns Sheehan
Salary: £55000 - £65000 per annum + Benefits
Posted: 2 days ago
London
Burns Sheehan
Salary: £25000 - £35000 per annum + Benefits
Posted: 2 days ago
South West London
Bentley Whitaker
Salary: From £25,000 to £35,000 per annum
Posted: 3 days ago
South West London
Opus Recruitment Solutions Ltd
Salary: £45000 - £50000 per annum
Posted: 4 days ago