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 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
29 Jul 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 327 373 355
Rank change year-on-year
+46 -18
Permanent jobs citing CentOS 340 343 381
As % of all permanent IT jobs located in London 0.86% 0.77% 0.79%
As % of the Operating Systems category 3.41% 2.86% 2.87%
Number of salaries quoted 301 308 332
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 £75,000 £70,000 £65,000
UK excluding London median salary £47,500 £42,500 £40,000
% change year-on-year
+11.76% +6.25%
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
9966 11983 13279
As % of all permanent IT jobs located in London 25.33% 27.00% 27.44%
Number of salaries quoted 8742 10306 11431
Median salary £50,500 £50,000 £47,500
Median salary % change year-on-year
+1.00% +5.26%
90% offered a salary of more than £28,500 £28,000 £27,500
10% offered a salary of more than £75,000 £70,000 £75,000
UK excluding London median salary £38,500 £37,500 £36,000
% change year-on-year
+2.66% +4.16%

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 July 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 July 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 +19 26 £48,750 -11.36% 6
Hayes - 4 £70,000 -
Harrow +8 3 £50,000 -13.04%
Hammersmith +3 2 £45,625 -10.97%
Kingston Upon Thames - 1 - -
CentOS
England

CentOS
Top 30 Related IT Skills in London

For the 6 months to 29 July 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.

1 707 (100.00%) Linux
2 404 (57.14%) Red Hat
3 369 (52.19%) Puppet
4 335 (47.38%) DevOps
5 296 (41.87%) Red Hat Enterprise Linux
5 296 (41.87%) Amazon AWS
6 291 (41.16%) VMware
7 289 (40.88%) Python
8 246 (34.79%) Ansible
9 243 (34.37%) Bash Shell
10 242 (34.23%) MySQL
11 232 (32.81%) Ubuntu
12 223 (31.54%) Apache
13 222 (31.40%) Agile Software Development
14 218 (30.83%) Jenkins
15 214 (30.27%) Windows
16 204 (28.85%) Ruby
17 189 (26.73%) Nagios
18 187 (26.45%) Perl
19 186 (26.31%) Opscode Chef
20 178 (25.18%) Java
21 174 (24.61%) Tomcat
22 171 (24.19%) Configuration Management
23 169 (23.90%) VMware Infrastructure
24 158 (22.35%) DNS
25 140 (19.80%) SQL
26 133 (18.81%) Finance
26 133 (18.81%) Git (software)
27 130 (18.39%) Unix
28 126 (17.82%) 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
1 223 (31.54%) Apache
2 174 (24.61%) Tomcat
3 69 (9.76%) nginx
4 53 (7.50%) JBoss
5 51 (7.21%) OpenStack
6 45 (6.36%) IIS
7 32 (4.53%) Confluence
8 25 (3.54%) Elasticsearch
9 16 (2.26%) Apache Spark
10 12 (1.70%) WildFly
11 10 (1.41%) WebLogic
12 6 (0.85%) Apache ServiceMix
12 6 (0.85%) Cloud Foundry
12 6 (0.85%) Jetty
12 6 (0.85%) SharePoint
13 5 (0.71%) ArcGIS
13 5 (0.71%) Drupal
13 5 (0.71%) Moodle
13 5 (0.71%) Zimbra
14 3 (0.42%) CMS
Applications
1 32 (4.53%) MS Excel
2 6 (0.85%) MS PowerPoint
2 6 (0.85%) MS Visio
Business Applications
1 3 (0.42%) Documaker
2 2 (0.28%) CODA-Financials
2 2 (0.28%) Remedy ITSM
Cloud Services
1 296 (41.87%) Amazon AWS
2 56 (7.92%) Microsoft Azure
3 54 (7.64%) Amazon EC2
4 47 (6.65%) AWS CloudFormation
5 35 (4.95%) IaaS
6 34 (4.81%) Amazon S3
7 31 (4.38%) Cloud Computing
8 29 (4.10%) SaaS
9 19 (2.69%) GitHub
9 19 (2.69%) Virtual Private Cloud
10 18 (2.55%) PaaS
11 15 (2.12%) Amazon CloudWatch
11 15 (2.12%) Azure Active Directory
12 13 (1.84%) OpenShift
13 12 (1.70%) AWS OpsWorks
13 12 (1.70%) Office 365
14 9 (1.27%) Amazon SQS
15 8 (1.13%) Amazon ELB
16 6 (0.85%) Google Apps
17 5 (0.71%) SoftLayer
Communications & Networking
1 158 (22.35%) DNS
2 126 (17.82%) Firewall
2 126 (17.82%) SAN
3 93 (13.15%) TCP/IP
4 63 (8.91%) LDAP
5 53 (7.50%) WAN
6 48 (6.79%) LAN
7 40 (5.66%) Internet
7 40 (5.66%) Kerberos
8 34 (4.81%) HTTP
9 31 (4.38%) DHCP
10 28 (3.96%) Asterisk PBX
10 28 (3.96%) VoIP
11 27 (3.82%) SMTP
12 25 (3.54%) iSCSI
13 24 (3.39%) VPN
14 22 (3.11%) SSH
15 21 (2.97%) Wireshark
16 19 (2.69%) Cisco Nexus
16 19 (2.69%) VLAN
Database & Business Intelligence
1 242 (34.23%) MySQL
2 117 (16.55%) MongoDB
3 83 (11.74%) PostgreSQL
4 46 (6.51%) Apache Cassandra
5 43 (6.08%) Redis
6 40 (5.66%) NoSQL
7 37 (5.23%) SQL Server
8 35 (4.95%) Hadoop
9 31 (4.38%) Oracle Database
10 29 (4.10%) Amazon RDS
11 16 (2.26%) CouchDB
12 13 (1.84%) DB2
13 12 (1.70%) Relational Database
14 10 (1.41%) MariaDB
15 7 (0.99%) Aerospike
15 7 (0.99%) Big Data
15 7 (0.99%) GIS
16 6 (0.85%) Couchbase
16 6 (0.85%) DataStax
17 5 (0.71%) Apache Hive
Development Applications
1 218 (30.83%) Jenkins
2 133 (18.81%) Git (software)
3 54 (7.64%) Maven
4 45 (6.36%) JIRA
5 43 (6.08%) Subversion
6 38 (5.37%) TeamCity
7 35 (4.95%) Vagrant
8 33 (4.67%) Atlassian Bamboo
9 26 (3.68%) Sonatype Nexus
10 16 (2.26%) Gradle
11 15 (2.12%) Ant
12 14 (1.98%) Selenium
13 13 (1.84%) Travis CI
14 11 (1.56%) GCC
15 9 (1.27%) Cucumber
16 8 (1.13%) Eclipse
16 8 (1.13%) IntelliJ
16 8 (1.13%) PHPUnit
17 7 (0.99%) GitLab
17 7 (0.99%) Octopus Deploy
General
1 133 (18.81%) Finance
2 42 (5.94%) Telecoms
3 41 (5.80%) Marketing
4 28 (3.96%) Games
5 23 (3.25%) Banking
6 19 (2.69%) Retail
7 18 (2.55%) Publishing
8 10 (1.41%) Back Office
9 8 (1.13%) Advertising
10 5 (0.71%) Law
10 5 (0.71%) Pharmaceutical
11 3 (0.42%) Legal
12 1 (0.14%) Japanese Language
12 1 (0.14%) Manufacturing
12 1 (0.14%) Online Betting
Job Titles
1 225 (31.82%) Administrator
2 191 (27.02%) DevOps Engineer
3 185 (26.17%) Linux Engineer
4 183 (25.88%) Linux Administrator
5 166 (23.48%) Systems Administrator
6 148 (20.93%) Linux Systems Administrator
7 118 (16.69%) Linux/Unix DevOps
8 94 (13.30%) Linux DevOps Engineer
9 60 (8.49%) Developer
10 56 (7.92%) AWS Engineer
11 51 (7.21%) Senior DevOps
11 51 (7.21%) Senior Linux Administrator
12 42 (5.94%) Systems Engineer
13 39 (5.52%) Senior DevOps Engineer
14 38 (5.37%) AWS DevOps
15 37 (5.23%) Cloud Engineer
15 37 (5.23%) Senior Systems Administrator
16 32 (4.53%) DevOps Administrator
16 32 (4.53%) Java Developer
17 31 (4.38%) Linux Systems Engineer
Libraries, Frameworks & Software Standards
1 115 (16.27%) LAMP
2 92 (13.01%) Web Services
3 46 (6.51%) LEMP Stack
4 34 (4.81%) HTML
4 34 (4.81%) Memcached
5 28 (3.96%) CSS
6 27 (3.82%) ELK Stack
6 27 (3.82%) JSON
7 25 (3.54%) Spring
8 24 (3.39%) J2EE
9 22 (3.11%) REST
10 21 (2.97%) SOAP
11 20 (2.83%) RESTful
11 20 (2.83%) XML
12 18 (2.55%) RabbitMQ
13 17 (2.40%) FIX Protocol
14 15 (2.12%) AngularJS
15 14 (1.98%) Backbone.js
15 14 (1.98%) Node.js
15 14 (1.98%) Sass
Miscellaneous
1 94 (13.30%) Data Centre
2 65 (9.19%) Computer Science
3 39 (5.52%) Analytical Skills
4 38 (5.37%) Fintech
5 26 (3.68%) Clustering
6 23 (3.25%) Algorithms
7 20 (2.83%) User Experience
8 18 (2.55%) Statistics
9 15 (2.12%) Hedge funds
9 15 (2.12%) IPTV
9 15 (2.12%) Over-the-Top Content
10 14 (1.98%) Foreign Exchange (FX)
10 14 (1.98%) PKI
11 12 (1.70%) Data Integration
11 12 (1.70%) Data Structures
11 12 (1.70%) e-Learning
12 11 (1.56%) HP StoreVirtual
12 11 (1.56%) Management Information System
12 11 (1.56%) Mobile App
12 11 (1.56%) Replication
Operating Systems
1 707 (100.00%) Linux
2 296 (41.87%) Red Hat Enterprise Linux
3 232 (32.81%) Ubuntu
4 214 (30.27%) Windows
5 130 (18.39%) Unix
6 84 (11.88%) Debian
7 71 (10.04%) Windows Server
7 71 (10.04%) Windows Server 2008
8 53 (7.50%) Windows Server 2012
9 23 (3.25%) Windows Server 2003
10 21 (2.97%) FreeBSD
11 17 (2.40%) Amazon Linux
12 15 (2.12%) Fedora
12 15 (2.12%) Mac OS X
13 14 (1.98%) Solaris
14 13 (1.84%) Oracle Linux
15 12 (1.70%) SUSE
16 6 (0.85%) AIX
17 3 (0.42%) Android
17 3 (0.42%) Windows 7
Processes & Methodologies
1 335 (47.38%) DevOps
2 222 (31.40%) Agile Software Development
3 171 (24.19%) Configuration Management
4 123 (17.40%) Continuous Integration
5 112 (15.84%) Open Source
6 83 (11.74%) Scrum
7 62 (8.77%) E-Commerce
8 58 (8.20%) Continuous Improvement
9 50 (7.07%) ITIL
10 44 (6.22%) Security Patching
11 35 (4.95%) High Availability
11 35 (4.95%) Load Balancing
12 34 (4.81%) Analytics
12 34 (4.81%) Kanban
13 31 (4.38%) Software Engineering
14 28 (3.96%) Information Security
15 24 (3.39%) Root Cause Analysis
16 23 (3.25%) Mentoring
17 22 (3.11%) Continuous Delivery
18 21 (2.97%) OO
Programming Languages
1 289 (40.88%) Python
2 243 (34.37%) Bash Shell
3 204 (28.85%) Ruby
4 187 (26.45%) Perl
5 178 (25.18%) Java
6 140 (19.80%) SQL
7 126 (17.82%) PHP
8 57 (8.06%) Shell Script
9 48 (6.79%) JavaScript
10 47 (6.65%) PowerShell
11 29 (4.10%) C
12 28 (3.96%) C++
13 12 (1.70%) AWK
13 12 (1.70%) Korn
14 10 (1.41%) PL/SQL
15 8 (1.13%) Scala
16 7 (0.99%) Bourne shell
16 7 (0.99%) C#
17 6 (0.85%) Groovy
18 5 (0.71%) T-SQL
Qualifications
1 56 (7.92%) Degree
2 22 (3.11%) RHCE
3 19 (2.69%) Security Cleared
4 18 (2.55%) SC Cleared
5 16 (2.26%) Cisco Certification
6 13 (1.84%) PMP
7 12 (1.70%) CCNA
8 11 (1.56%) PMI Certification
9 10 (1.41%) AWS Certification
10 9 (1.27%) Microsoft Certification
11 7 (0.99%) MCITP
12 6 (0.85%) VMware Certified Professional (VCP)
13 5 (0.71%) RHCSA
14 4 (0.57%) CCNP
15 3 (0.42%) LPIC
16 2 (0.28%) CFA
16 2 (0.28%) MBA
16 2 (0.28%) MCSE
16 2 (0.28%) PhD
17 1 (0.14%) CCSA
Quality Assurance & Compliance
1 28 (3.96%) QA
2 7 (0.99%) PCI DSS
3 5 (0.71%) SLA
4 1 (0.14%) DICOM
4 1 (0.14%) HL7
4 1 (0.14%) ISO/IEC 27001
4 1 (0.14%) SAS 70
System Software
1 169 (23.90%) VMware Infrastructure
2 115 (16.27%) Docker
3 107 (15.13%) NFS
4 101 (14.29%) VMware ESXi
5 82 (11.60%) Active Directory
6 37 (5.23%) XenServer
7 35 (4.95%) KVM
8 27 (3.82%) Xen
9 26 (3.68%) vSphere
10 25 (3.54%) Corosync
11 23 (3.25%) Virtual Machines
12 22 (3.11%) Varnish
13 19 (2.69%) GlusterFS
14 18 (2.55%) Hyper-V
14 18 (2.55%) vCloud
15 14 (1.98%) Samba
16 13 (1.84%) iptables
17 12 (1.70%) VMware ESX
18 10 (1.41%) Postfix
18 10 (1.41%) Squid
Systems Management
1 369 (52.19%) Puppet
2 246 (34.79%) Ansible
3 189 (26.73%) Nagios
4 186 (26.31%) Opscode Chef
5 47 (6.65%) HAProxy
6 35 (4.95%) logstash
7 29 (4.10%) ZABBIX
8 21 (2.97%) Salt
9 20 (2.83%) Pacemaker
10 19 (2.69%) Cacti
11 16 (2.26%) Graphite
11 16 (2.26%) vRealize
12 15 (2.12%) Kubernetes
13 13 (1.84%) SELinux
14 12 (1.70%) Packer
15 11 (1.56%) Red Hat Spacewalk
16 9 (1.27%) SCOM
17 8 (1.13%) NetBackup
18 7 (0.99%) SolarWinds Orion
19 6 (0.85%) Munin
Vendors
1 404 (57.14%) Red Hat
2 291 (41.16%) VMware
3 121 (17.11%) Cisco
4 91 (12.87%) HP
5 79 (11.17%) Microsoft
6 68 (9.62%) Oracle
7 40 (5.66%) Splunk
8 38 (5.37%) Citrix
9 28 (3.96%) New Relic
10 22 (3.11%) SaltStack
11 20 (2.83%) AppDynamics
11 20 (2.83%) EMC
11 20 (2.83%) IBM
12 18 (2.55%) Google
13 16 (2.26%) Atlassian
13 16 (2.26%) SolarWinds
14 15 (2.12%) NetApp
15 14 (1.98%) 3PAR
16 10 (1.41%) CommVault
16 10 (1.41%) F5
London
Austin Fraser
Salary: £50000.00 - £60000.00 per annum + Bens
Posted: 42 minutes ago
London
Austin Fraser
Salary: £70000 - £75000 per annum + Bens
Posted: 44 minutes ago
City, London
Client Server
Salary: £60k to £75k + bonus + benefits
Posted: 22 hours ago
London
Client Server
Salary: £60k to £75k + bonus + benefits
Posted: Yesterday
Central London / West End
Brightred Resourcing Limited
Salary: Up to £40,000 per annum Plus Bonus & Benefits
Posted: 2 hours ago
London
ReThink Recruitment
Salary: £35000 - £45000 per annum + Pension, Healthcare, Bonus
Posted: 22 hours ago
West London
We Source Talent
Salary: From £85,000 to £125,000 per annum bonus, pensions, shares..
Posted: 2 days ago
City, London
RecruitmentRevolution.com Limited
Salary: From £35,000 to £50,000 per annum + Benefits
Posted: Yesterday
London
Recruitment Revolution Limited
Salary: £35,000 - £50,000 DOE + Full Benefits Package
Posted: 2 days ago
London
Red Sofa London
Salary: £35000.00 - £55000.00 per annum + Excellent Benefits
Posted: Yesterday
London
Computer Futures
Salary: competitive
Posted: 5 days ago
London
Spring Technology
Salary: £50000.00 - £55000.00 per annum
Posted: 3 days ago
West London
ENTERPRISE RECRUITMENT LTD
Salary: £35000 - £50000 per annum, Benefits: BUPA, pension + multiple perks
Posted: 3 days ago
City, London
Testing Circle Ltd
Salary: £60000 - £65000 per annum + 10% Bonus
Posted: 6 days ago
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 6 days ago
London - Grays Inn Road
ITV
Salary: Competitive
Posted: 7 days ago
London - Grays Inn Road
ITV
Salary: Competitive
Posted: 7 days ago
Surbiton, Surrey
Tui (Ip) Ltd
Salary: Competitive
Posted: 9 days ago
City of London
TDA Group
Salary: £60000 per annum + bonus and benefits
Posted: 10 days ago
Fulham, London
Conker Design
Salary: Competitive Salary & Benefits
Posted: 7 days ago
London
Venturi
Salary: £55000 per annum
Posted: 24 days ago
London
Venturi
Salary: £55000 per annum
Posted: 23 days ago
London
ABILITY Resorucing Ltd
Salary: £28000 - £35000 per annum + Options
Posted: 25 days ago
London
TalentRocket
Posted: 24 days ago