The table below looks at the statistics for CentOS skills in IT jobs advertised for the London region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 29 August 2016 with a comparison to the same period over the previous 2 years.

3 months to
29 Aug 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 353 350 320
Rank change year-on-year
-3 -30
Permanent jobs citing CentOS 297 355 424
As % of all permanent IT jobs located in London 0.76% 0.82% 0.90%
As % of the Operating Systems category 3.03% 3.01% 3.29%
Number of salaries quoted 269 327 380
Median salary £52,500 £55,000 £50,000
Median salary % change year-on-year
-4.54% +10.00%
90% offered a salary of more than £40,000 £37,500 £37,500
10% offered a salary of more than £72,500 £70,000 £65,000
UK excluding London median salary £47,500 £42,500 £41,500
% change year-on-year
+11.76% +2.40%
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
9791 11794 12896
As % of all permanent IT jobs located in London 24.95% 27.20% 27.42%
Number of salaries quoted 8549 10210 11082
Median salary £51,000 £50,000 £47,500
Median salary % change year-on-year
+2.00% +5.26%
90% offered a salary of more than £29,000 £27,500 £28,000
10% offered a salary of more than £75,000 £70,000 £75,000
UK excluding London median salary £38,500 £37,500 £36,500
% change year-on-year
+2.66% +2.73%

CentOS
Jobs Demand Trend in London

The demand trend of job ads across the London region citing CentOS as a proportion of all IT jobs with a match in 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 29 August 2016.

CentOS Salary Histogram in London

CentOS
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the London region over the 3 months to 29 August 2016. 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
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +20 23 £50,000 -9.09% 6
Hayes - 6 £60,000 -
Hammersmith +7 2 £45,625 +1.38%
Harrow +3 1 £50,000 -13.04% 1
Croydon -7 1 £37,500 -6.25% 3
Canary Wharf - 1 £47,500 -
CentOS
England

CentOS
Top 30 Related IT Skills in London

For the 6 months to 29 August 2016, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for CentOS.

1 650 (100.00%) Linux
2 394 (60.62%) Red Hat
3 336 (51.69%) Puppet
4 298 (45.85%) DevOps
5 279 (42.92%) Amazon AWS
6 278 (42.77%) VMware
7 272 (41.85%) Red Hat Enterprise Linux
8 255 (39.23%) Python
9 230 (35.38%) Bash Shell
10 222 (34.15%) Ubuntu
11 212 (32.62%) MySQL
12 210 (32.31%) Windows
13 207 (31.85%) Ansible
14 202 (31.08%) Apache
15 192 (29.54%) Ruby
16 187 (28.77%) Agile Software Development
17 185 (28.46%) Perl
18 180 (27.69%) Nagios
19 178 (27.38%) Jenkins
20 175 (26.92%) Opscode Chef
21 162 (24.92%) Java
22 160 (24.62%) VMware Infrastructure
23 152 (23.38%) DNS
24 148 (22.77%) Configuration Management
25 143 (22.00%) Tomcat
26 131 (20.15%) SQL
27 128 (19.69%) Finance
28 127 (19.54%) SAN
29 119 (18.31%) Cisco
30 118 (18.15%) PHP

CentOS
Top Related IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 202 (31.08%) Apache
2 143 (22.00%) Tomcat
3 64 (9.85%) nginx
4 44 (6.77%) IIS
5 40 (6.15%) OpenStack
6 31 (4.77%) JBoss
7 27 (4.15%) Confluence
8 25 (3.85%) Elasticsearch
9 21 (3.23%) Hubot
10 12 (1.85%) WildFly
11 11 (1.69%) Apache Spark
12 8 (1.23%) WebLogic
13 7 (1.08%) Drupal
14 6 (0.92%) Cloud Foundry
15 5 (0.77%) ArcGIS
15 5 (0.77%) Jetty
15 5 (0.77%) Moodle
15 5 (0.77%) SharePoint
15 5 (0.77%) WordPress
15 5 (0.77%) Zimbra
Applications
1 30 (4.62%) MS Excel
2 6 (0.92%) MS PowerPoint
2 6 (0.92%) MS Visio
Business Applications
1 2 (0.31%) CODA-Financials
1 2 (0.31%) Remedy ITSM
2 1 (0.15%) Documaker
2 1 (0.15%) Magento
2 1 (0.15%) SAP Oil and Gas
Cloud Services
1 279 (42.92%) Amazon AWS
2 59 (9.08%) Microsoft Azure
3 46 (7.08%) Amazon EC2
4 37 (5.69%) AWS CloudFormation
5 32 (4.92%) Amazon S3
6 30 (4.62%) Cloud Computing
7 29 (4.46%) IaaS
7 29 (4.46%) SaaS
8 25 (3.85%) Slack
9 18 (2.77%) PaaS
10 16 (2.46%) AWS OpsWorks
11 14 (2.15%) GitHub
11 14 (2.15%) Office 365
12 13 (2.00%) Azure Active Directory
12 13 (2.00%) OpenShift
12 13 (2.00%) Virtual Private Cloud
13 11 (1.69%) Amazon CloudWatch
14 9 (1.38%) Amazon SQS
15 6 (0.92%) IBM Cloud
16 5 (0.77%) SoftLayer
Communications & Networking
1 152 (23.38%) DNS
2 127 (19.54%) SAN
3 118 (18.15%) Firewall
4 94 (14.46%) TCP/IP
5 62 (9.54%) LDAP
6 46 (7.08%) WAN
7 38 (5.85%) Kerberos
8 36 (5.54%) VPN
9 35 (5.38%) VoIP
10 34 (5.23%) Internet
11 32 (4.92%) iSCSI
11 32 (4.92%) LAN
12 30 (4.62%) HTTP
13 29 (4.46%) Asterisk PBX
13 29 (4.46%) DHCP
14 26 (4.00%) VLAN
14 26 (4.00%) Wireshark
15 25 (3.85%) SMTP
16 24 (3.69%) Fibre Channel
17 23 (3.54%) Network Security
Database & Business Intelligence
1 212 (32.62%) MySQL
2 100 (15.38%) MongoDB
3 61 (9.38%) PostgreSQL
4 41 (6.31%) Apache Cassandra
5 40 (6.15%) NoSQL
5 40 (6.15%) Redis
6 37 (5.69%) Hadoop
7 31 (4.77%) SQL Server
8 30 (4.62%) Amazon RDS
9 17 (2.62%) Oracle Database
10 12 (1.85%) CouchDB
11 10 (1.54%) DB2
11 10 (1.54%) Relational Database
12 9 (1.38%) MariaDB
13 7 (1.08%) GIS
14 6 (0.92%) Aerospike
14 6 (0.92%) Couchbase
15 5 (0.77%) Data Warehouse
15 5 (0.77%) QGIS
16 4 (0.62%) SQL Server 2008
Development Applications
1 178 (27.38%) Jenkins
2 105 (16.15%) Git (software)
3 41 (6.31%) JIRA
3 41 (6.31%) Maven
4 37 (5.69%) Subversion
5 34 (5.23%) TeamCity
6 33 (5.08%) Vagrant
7 26 (4.00%) Atlassian Bamboo
8 23 (3.54%) Sonatype Nexus
9 13 (2.00%) Ant
9 13 (2.00%) Gradle
10 11 (1.69%) GCC
11 8 (1.23%) Octopus Deploy
12 6 (0.92%) Bitbucket
12 6 (0.92%) Visual Studio
13 5 (0.77%) GitLab
14 4 (0.62%) Selenium
15 2 (0.31%) gulp
15 2 (0.31%) SonarQube
15 2 (0.31%) webpack
General
1 128 (19.69%) Finance
2 42 (6.46%) Telecoms
3 39 (6.00%) Marketing
4 29 (4.46%) Banking
5 22 (3.38%) Games
5 22 (3.38%) Retail
6 19 (2.92%) Publishing
7 9 (1.38%) Advertising
8 8 (1.23%) Back Office
9 6 (0.92%) Pharmaceutical
10 5 (0.77%) Legal
11 2 (0.31%) Financial Institution
11 2 (0.31%) French Language
11 2 (0.31%) Investment Banking
11 2 (0.31%) Manufacturing
11 2 (0.31%) Spanish Language
12 1 (0.15%) Electronics
12 1 (0.15%) Japanese Language
12 1 (0.15%) Law
Job Titles
1 187 (28.77%) Administrator
2 178 (27.38%) DevOps Engineer
2 178 (27.38%) Linux Engineer
3 150 (23.08%) Systems Administrator
4 149 (22.92%) Linux Administrator
5 132 (20.31%) Linux Systems Administrator
6 108 (16.62%) Linux/Unix DevOps
7 88 (13.54%) Linux DevOps Engineer
8 54 (8.31%) Developer
9 51 (7.85%) AWS Engineer
10 46 (7.08%) Senior DevOps
10 46 (7.08%) Systems Engineer
11 44 (6.77%) Senior Linux Administrator
12 38 (5.85%) Senior Systems Administrator
13 35 (5.38%) Linux Systems Engineer
13 35 (5.38%) Senior DevOps Engineer
14 34 (5.23%) AWS DevOps
14 34 (5.23%) Infrastructure Engineer
15 33 (5.08%) Senior Linux Systems Administrator
16 30 (4.62%) Java Developer
Libraries, Frameworks & Software Standards
1 105 (16.15%) LAMP
2 81 (12.46%) Web Services
3 37 (5.69%) LEMP Stack
4 31 (4.77%) ELK Stack
5 30 (4.62%) HTML
6 28 (4.31%) CSS
6 28 (4.31%) Memcached
7 27 (4.15%) JSON
8 20 (3.08%) J2EE
9 17 (2.62%) RabbitMQ
9 17 (2.62%) Spring
10 16 (2.46%) FIX Protocol
10 16 (2.46%) REST
10 16 (2.46%) RESTful
11 15 (2.31%) AngularJS
11 15 (2.31%) XML
12 14 (2.15%) Backbone.js
12 14 (2.15%) React
12 14 (2.15%) SOAP
13 13 (2.00%) Sass
Miscellaneous
1 103 (15.85%) Data Centre
2 56 (8.62%) Computer Science
3 31 (4.77%) Analytical Skills
3 31 (4.77%) Fintech
4 26 (4.00%) Clustering
5 18 (2.77%) Algorithms
5 18 (2.77%) Statistics
6 17 (2.62%) Hedge funds
7 15 (2.31%) PKI
8 14 (2.15%) Hybrid Cloud
9 13 (2.00%) Foreign Exchange (FX)
9 13 (2.00%) Visualisation
10 12 (1.85%) Data Integration
10 12 (1.85%) Data Structures
10 12 (1.85%) e-Learning
10 12 (1.85%) Replication
11 11 (1.69%) HP StoreVirtual
11 11 (1.69%) IPTV
11 11 (1.69%) Management Information System
11 11 (1.69%) Over-the-Top Content
Operating Systems
1 650 (100.00%) Linux
2 272 (41.85%) Red Hat Enterprise Linux
3 222 (34.15%) Ubuntu
4 210 (32.31%) Windows
5 118 (18.15%) Unix
6 73 (11.23%) Debian
7 64 (9.85%) Windows Server
8 62 (9.54%) Windows Server 2008
9 46 (7.08%) Windows Server 2012
10 21 (3.23%) FreeBSD
11 20 (3.08%) Windows Server 2003
12 15 (2.31%) Fedora
13 14 (2.15%) Mac OS X
14 12 (1.85%) Oracle Linux
15 11 (1.69%) Amazon Linux
15 11 (1.69%) Solaris
16 8 (1.23%) SUSE
17 6 (0.92%) AIX
18 2 (0.31%) VMS
18 2 (0.31%) Windows 7
Processes & Methodologies
1 298 (45.85%) DevOps
2 187 (28.77%) Agile Software Development
3 148 (22.77%) Configuration Management
4 101 (15.54%) Open Source
5 74 (11.38%) Continuous Integration
6 67 (10.31%) Scrum
7 57 (8.77%) Continuous Improvement
8 55 (8.46%) E-Commerce
9 48 (7.38%) ITIL
10 40 (6.15%) Load Balancing
10 40 (6.15%) Security Patching
11 37 (5.69%) Analytics
12 33 (5.08%) High Availability
13 29 (4.46%) Kanban
14 28 (4.31%) Information Security
15 26 (4.00%) Software Engineering
16 24 (3.69%) Continuous Delivery
17 23 (3.54%) Network Management
18 22 (3.38%) OO
19 21 (3.23%) ChatOps
Programming Languages
1 255 (39.23%) Python
2 230 (35.38%) Bash Shell
3 192 (29.54%) Ruby
4 185 (28.46%) Perl
5 162 (24.92%) Java
6 131 (20.15%) SQL
7 118 (18.15%) PHP
8 59 (9.08%) Shell Script
9 50 (7.69%) PowerShell
10 48 (7.38%) JavaScript
11 33 (5.08%) C++
12 31 (4.77%) C
13 15 (2.31%) Korn
14 14 (2.15%) AWK
15 10 (1.54%) Bourne shell
15 10 (1.54%) PL/SQL
16 8 (1.23%) Scala
17 7 (1.08%) C#
18 5 (0.77%) T-SQL
19 4 (0.62%) PHP 5
Qualifications
1 37 (5.69%) Degree
2 21 (3.23%) RHCE
3 16 (2.46%) Cisco Certification
4 14 (2.15%) CCNA
5 13 (2.00%) AWS Certification
6 11 (1.69%) PMI Certification
6 11 (1.69%) PMP
7 7 (1.08%) RHCSA
8 5 (0.77%) LPIC
8 5 (0.77%) Microsoft Certification
9 4 (0.62%) MCITP
10 3 (0.46%) CCNP
10 3 (0.46%) VMware Certified Professional (VCP)
11 2 (0.31%) CCSA
11 2 (0.31%) CCSE
11 2 (0.31%) MCSE
12 1 (0.15%) ITIL Certification
12 1 (0.15%) MBA
12 1 (0.15%) MCTS
12 1 (0.15%) RHCA
Quality Assurance & Compliance
1 26 (4.00%) QA
2 10 (1.54%) PCI DSS
3 7 (1.08%) SLA
4 1 (0.15%) DICOM
4 1 (0.15%) HL7
4 1 (0.15%) ISO/IEC 27001
4 1 (0.15%) SAS 70
System Software
1 160 (24.62%) VMware Infrastructure
2 101 (15.54%) Docker
2 101 (15.54%) NFS
3 91 (14.00%) VMware ESXi
4 73 (11.23%) Active Directory
5 36 (5.54%) XenServer
6 34 (5.23%) vSphere
7 32 (4.92%) KVM
8 25 (3.85%) Xen
9 23 (3.54%) Corosync
10 20 (3.08%) Varnish
10 20 (3.08%) Virtual Machines
11 17 (2.62%) GlusterFS
11 17 (2.62%) Hyper-V
11 17 (2.62%) iptables
11 17 (2.62%) vCloud
12 12 (1.85%) Postfix
12 12 (1.85%) Samba
13 10 (1.54%) Squid
13 10 (1.54%) VMware ESX
Systems Management
1 336 (51.69%) Puppet
2 207 (31.85%) Ansible
3 180 (27.69%) Nagios
4 175 (26.92%) Opscode Chef
5 43 (6.62%) HAProxy
6 31 (4.77%) logstash
7 21 (3.23%) Salt
7 21 (3.23%) ZABBIX
8 19 (2.92%) Cacti
9 18 (2.77%) Pacemaker
10 16 (2.46%) Kubernetes
11 15 (2.31%) SELinux
12 13 (2.00%) Graphite
12 13 (2.00%) vRealize
13 12 (1.85%) Packer
14 9 (1.38%) SCOM
14 9 (1.38%) Terraform
15 8 (1.23%) NetBackup
16 6 (0.92%) EMC NetWorker
16 6 (0.92%) Munin
Vendors
1 394 (60.62%) Red Hat
2 278 (42.77%) VMware
3 119 (18.31%) Cisco
4 81 (12.46%) HP
5 78 (12.00%) Microsoft
6 47 (7.23%) Oracle
7 37 (5.69%) Citrix
8 33 (5.08%) Splunk
9 23 (3.54%) New Relic
10 22 (3.38%) Google
11 20 (3.08%) EMC
11 20 (3.08%) SaltStack
12 16 (2.46%) AppDynamics
13 15 (2.31%) Atlassian
13 15 (2.31%) IBM
14 14 (2.15%) SolarWinds
15 13 (2.00%) 3PAR
15 13 (2.00%) NetApp
16 10 (1.54%) CommVault
17 9 (1.38%) CheckPoint
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: Yesterday
London
Tria Recruitment
Salary: £40000 - £50000 per annum + Equity + Benefits
Posted: 4 days ago
London
Austin Fraser
Salary: £70000 - £75000 per annum + Bens
Posted: 3 days ago
London
Joseph Harry Ltd
Salary: £45000 - £60000 per annum + 25% Bonus + 10% Pension
Posted: 3 days ago
London
Austin Fraser
Salary: £50000.00 - £60000.00 per annum + Bens
Posted: 3 days ago
London
Mint
Salary: £35000 - £55000 per annum + Excellent
Posted: 4 days ago
London
Tria Recruitment
Salary: £55000 - £70000 per annum + Equity
Posted: 6 days ago
London
Circle Recruitment
Salary: Benefits
Posted: 5 days ago
Surbiton, Surrey
Montash
Salary: £53000 - £60000 per annum + Benefits + Bonu
Posted: 4 days ago
West London
Client Server
Salary: £55k to £70k + bonus (100%+) + benefits
Posted: 6 days ago
West Drayton, Middlesex
Oscar
Salary: £35000 - £45000 per annum
Posted: 6 days ago
East London
ENTERPRISE RECRUITMENT LTD
Salary: £35000 - £45000 per annum, Work from home potential
Posted: 5 days ago
City, London
Aria Select Ltd
Salary: From £60,000 to £70,000 per annum + Benefits
Posted: 3 days ago
London
Computer Futures
Salary: £45000 - £55000 per annum + competitive
Posted: 6 days ago
City, London
Client Server
Salary: £70k to £75k + bonus + benefits
Posted: 7 days ago
Central London / West End
Brightred Resourcing Limited
Salary: Up to £50,000 per annum Plus Bonus & Benefits
Posted: 3 days ago
London
Resource Partners Ltd
Posted: 9 days ago
London
BookingBug
Salary: £30k-50k dependent on experience
Posted: 5 days ago
City, London
ANSON MCCADE
Salary: £35,000 - £50,000 (+ top tier package and benefits!!!)
Posted: 5 days ago
London
Client Server
Salary: £70,000 to £75,000 + bonus + benefits
Posted: 14 days ago
London
Client Server
Salary: £60k to £75k + bonus + benefits
Posted: 24 days ago
London
Venturi
Salary: £50000.00 - £70000 per annum
Posted: 17 days ago
Harrow, North West London
Kanj Technologies
Salary: Between £30,000 and £35,000 per annum dependent on experience
Posted: 24 days ago
Sutton, London UK
Reed Business Information
Salary: Competitive Salary + bonus + benefits
Posted: 13 days ago
London
People Source Consulting
Salary: £65000 - £70000 per annum
Posted: 25 days ago
London
Network Compucare
Salary: Negotiable
Posted: 25 days ago