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

3 months to
1 Oct 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 347 351 320
Rank change year-on-year
+4 -31
Permanent jobs citing CentOS 284 360 412
As % of all permanent IT jobs located in London 0.76% 0.82% 0.90%
As % of the Operating Systems category 3.10% 3.00% 3.28%
Number of salaries quoted 263 333 386
Median salary £55,000 £52,500 £50,000
Median salary % change year-on-year
+4.76% +5.00%
90% offered a salary of more than £40,000 £37,500 £37,500
10% offered a salary of more than £72,500 £70,000 £70,000
UK excluding London median salary £45,000 £42,233 £40,000
% change year-on-year
+6.55% +5.58%
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
9157 11986 12548
As % of all permanent IT jobs located in London 24.43% 27.33% 27.37%
Number of salaries quoted 7952 10341 10711
Median salary £50,000 £50,000 £48,000
Median salary % change year-on-year
- +4.16%
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 £37,500 £37,500 £36,479
% change year-on-year
- +2.79%

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 1 October 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 1 October 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 +24 17 £46,250 -15.90% 9
Croydon +10 9 £42,500 +6.25% 3
Hayes - 4 £60,000 -
Hammersmith - 4 £55,000 -
Surbiton - 1 £56,500 -
Canary Wharf - 1 £47,500 -
CentOS
England

CentOS
Top 30 Related IT Skills in London

For the 6 months to 1 October 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.

1 655 (100.00%) Linux
2 392 (59.85%) Red Hat
3 342 (52.21%) Puppet
4 310 (47.33%) DevOps
5 282 (43.05%) Amazon AWS
6 270 (41.22%) Red Hat Enterprise Linux
7 266 (40.61%) Python
8 243 (37.10%) Bash Shell
9 236 (36.03%) VMware
10 235 (35.88%) Ansible
11 224 (34.20%) Windows
11 224 (34.20%) Ubuntu
12 201 (30.69%) Ruby
12 201 (30.69%) MySQL
12 201 (30.69%) Apache
13 199 (30.38%) Opscode Chef
14 188 (28.70%) Perl
15 170 (25.95%) Jenkins
16 168 (25.65%) Java
17 165 (25.19%) Agile Software Development
18 156 (23.82%) Nagios
19 141 (21.53%) Configuration Management
20 137 (20.92%) SQL
21 136 (20.76%) VMware Infrastructure
22 135 (20.61%) Tomcat
23 128 (19.54%) DNS
24 123 (18.78%) Finance
25 113 (17.25%) LAMP
25 113 (17.25%) PHP
26 107 (16.34%) SAN

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
1 201 (30.69%) Apache
2 135 (20.61%) Tomcat
3 73 (11.15%) nginx
4 47 (7.18%) IIS
5 33 (5.04%) Confluence
6 32 (4.89%) OpenStack
7 29 (4.43%) JBoss
8 23 (3.51%) Hubot
9 16 (2.44%) Elasticsearch
10 13 (1.98%) Apache Spark
11 10 (1.53%) WildFly
12 8 (1.22%) WebLogic
13 7 (1.07%) Drupal
14 5 (0.76%) ArcGIS
14 5 (0.76%) Moodle
14 5 (0.76%) SharePoint
14 5 (0.76%) WordPress
15 4 (0.61%) CMS
15 4 (0.61%) Jetty
15 4 (0.61%) Zimbra
Applications
1 25 (3.82%) MS Excel
2 3 (0.46%) MS PowerPoint
2 3 (0.46%) MS Visio
Business Applications
1 2 (0.31%) CODA-Financials
2 1 (0.15%) Documaker
2 1 (0.15%) Magento
2 1 (0.15%) SAP Oil and Gas
Cloud Services
1 282 (43.05%) Amazon AWS
2 62 (9.47%) Microsoft Azure
3 43 (6.56%) Amazon EC2
4 31 (4.73%) Amazon S3
5 30 (4.58%) AWS CloudFormation
5 30 (4.58%) SaaS
6 29 (4.43%) Cloud Computing
7 26 (3.97%) IaaS
8 25 (3.82%) Slack
9 19 (2.90%) PaaS
10 18 (2.75%) AWS OpsWorks
11 17 (2.60%) Office 365
12 15 (2.29%) GitHub
13 14 (2.14%) OpenShift
14 13 (1.98%) Amazon CloudWatch
14 13 (1.98%) Azure Active Directory
15 11 (1.68%) Amazon SQS
15 11 (1.68%) Virtual Private Cloud
16 6 (0.92%) G Suite
16 6 (0.92%) IBM Cloud
Communications & Networking
1 128 (19.54%) DNS
2 107 (16.34%) Firewall
2 107 (16.34%) SAN
3 103 (15.73%) TCP/IP
4 59 (9.01%) LDAP
5 51 (7.79%) WAN
6 38 (5.80%) VPN
7 37 (5.65%) Kerberos
7 37 (5.65%) LAN
8 32 (4.89%) HTTP
8 32 (4.89%) VoIP
9 30 (4.58%) Internet
9 30 (4.58%) iSCSI
10 29 (4.43%) Asterisk PBX
10 29 (4.43%) DHCP
11 28 (4.27%) VLAN
12 27 (4.12%) Network Security
13 26 (3.97%) Wireshark
14 23 (3.51%) Fibre Channel
14 23 (3.51%) SMTP
Database & Business Intelligence
1 201 (30.69%) MySQL
2 83 (12.67%) MongoDB
3 56 (8.55%) PostgreSQL
4 45 (6.87%) Hadoop
5 41 (6.26%) Apache Cassandra
6 40 (6.11%) NoSQL
7 39 (5.95%) Redis
8 30 (4.58%) Amazon RDS
9 28 (4.27%) SQL Server
10 13 (1.98%) Oracle Database
11 9 (1.37%) CouchDB
11 9 (1.37%) Relational Database
12 8 (1.22%) MariaDB
13 7 (1.07%) DB2
13 7 (1.07%) GIS
14 5 (0.76%) Couchbase
14 5 (0.76%) QGIS
15 4 (0.61%) Big Data
15 4 (0.61%) Data Warehouse
15 4 (0.61%) SQL Server 2008
Development Applications
1 170 (25.95%) Jenkins
2 95 (14.50%) Git (software)
3 52 (7.94%) JIRA
4 39 (5.95%) Maven
5 35 (5.34%) Subversion
6 32 (4.89%) TeamCity
7 30 (4.58%) Vagrant
8 26 (3.97%) Atlassian Bamboo
9 14 (2.14%) Sonatype Nexus
10 11 (1.68%) Gradle
11 9 (1.37%) Ant
11 9 (1.37%) Octopus Deploy
12 7 (1.07%) GCC
13 6 (0.92%) Bitbucket
14 4 (0.61%) FishEye
14 4 (0.61%) GitLab
15 3 (0.46%) Selenium
16 2 (0.31%) Artifactory
16 2 (0.31%) PHPUnit
16 2 (0.31%) Talend Open Studio
General
1 123 (18.78%) Finance
2 47 (7.18%) Telecoms
3 38 (5.80%) Marketing
4 36 (5.50%) Banking
5 27 (4.12%) Retail
6 19 (2.90%) Publishing
7 18 (2.75%) Games
8 8 (1.22%) Advertising
9 7 (1.07%) Back Office
10 5 (0.76%) Legal
11 3 (0.46%) Financial Institution
12 2 (0.31%) French Language
12 2 (0.31%) Investment Banking
12 2 (0.31%) Manufacturing
12 2 (0.31%) Pharmaceutical
12 2 (0.31%) Spanish Language
13 1 (0.15%) Electronics
13 1 (0.15%) Front Office
13 1 (0.15%) Japanese Language
Job Titles
1 200 (30.53%) Administrator
2 174 (26.56%) DevOps Engineer
3 167 (25.50%) Linux Engineer
4 161 (24.58%) Systems Administrator
5 148 (22.60%) Linux Administrator
6 131 (20.00%) Linux Systems Administrator
7 96 (14.66%) Linux/Unix DevOps
8 73 (11.15%) Linux DevOps Engineer
9 58 (8.85%) AWS Engineer
10 56 (8.55%) Developer
11 50 (7.63%) Systems Engineer
12 46 (7.02%) Senior DevOps
13 42 (6.41%) Linux Systems Engineer
13 42 (6.41%) Senior Linux Administrator
14 39 (5.95%) AWS DevOps
14 39 (5.95%) DevOps Administrator
14 39 (5.95%) Senior DevOps Engineer
15 34 (5.19%) Infrastructure Engineer
15 34 (5.19%) Senior Systems Administrator
16 32 (4.89%) Java Developer
Libraries, Frameworks & Software Standards
1 113 (17.25%) LAMP
2 85 (12.98%) Web Services
3 41 (6.26%) LEMP Stack
4 33 (5.04%) ELK Stack
5 27 (4.12%) JSON
6 26 (3.97%) CSS
6 26 (3.97%) HTML
6 26 (3.97%) Memcached
7 19 (2.90%) Boost C++ Libraries
7 19 (2.90%) J2EE
8 17 (2.60%) Node.js
9 14 (2.14%) AngularJS
9 14 (2.14%) GWT
10 13 (1.98%) .NET
10 13 (1.98%) RabbitMQ
10 13 (1.98%) RESTful
10 13 (1.98%) Spring
10 13 (1.98%) XML
11 12 (1.83%) Backbone.js
11 12 (1.83%) REST
Miscellaneous
1 103 (15.73%) Data Centre
2 63 (9.62%) Computer Science
3 33 (5.04%) Fintech
4 27 (4.12%) Analytical Skills
5 24 (3.66%) Clustering
6 22 (3.36%) Statistics
7 21 (3.21%) Visualisation
8 19 (2.90%) Hedge funds
9 18 (2.75%) PKI
10 14 (2.14%) Replication
11 13 (1.98%) Management Information System
12 12 (1.83%) Hybrid Cloud
12 12 (1.83%) Mobile App
13 11 (1.68%) Algorithms
13 11 (1.68%) Data Integration
14 10 (1.53%) Data Structures
15 9 (1.37%) e-Learning
15 9 (1.37%) Foreign Exchange (FX)
15 9 (1.37%) IPTV
16 7 (1.07%) Mobile Games
Operating Systems
1 655 (100.00%) Linux
2 270 (41.22%) Red Hat Enterprise Linux
3 224 (34.20%) Ubuntu
3 224 (34.20%) Windows
4 97 (14.81%) Unix
5 69 (10.53%) Debian
6 64 (9.77%) Windows Server
7 56 (8.55%) Windows Server 2008
8 46 (7.02%) Windows Server 2012
9 21 (3.21%) Fedora
10 17 (2.60%) FreeBSD
11 12 (1.83%) Mac OS X
11 12 (1.83%) Windows Server 2003
12 11 (1.68%) Amazon Linux
13 9 (1.37%) Solaris
14 7 (1.07%) Oracle Linux
15 6 (0.92%) SUSE
16 3 (0.46%) AIX
17 2 (0.31%) VMS
17 2 (0.31%) Windows 7
Processes & Methodologies
1 310 (47.33%) DevOps
2 165 (25.19%) Agile Software Development
3 141 (21.53%) Configuration Management
4 88 (13.44%) Open Source
5 62 (9.47%) Continuous Integration
6 56 (8.55%) Scrum
7 51 (7.79%) E-Commerce
8 48 (7.33%) ITIL
9 44 (6.72%) Continuous Improvement
10 36 (5.50%) Load Balancing
11 33 (5.04%) High Availability
12 29 (4.43%) Information Security
12 29 (4.43%) Network Management
12 29 (4.43%) Security Patching
13 28 (4.27%) Analytics
14 27 (4.12%) Kanban
15 26 (3.97%) Software Engineering
16 23 (3.51%) ChatOps
17 22 (3.36%) Data Analytics
17 22 (3.36%) OO
Programming Languages
1 266 (40.61%) Python
2 243 (37.10%) Bash Shell
3 201 (30.69%) Ruby
4 188 (28.70%) Perl
5 168 (25.65%) Java
6 137 (20.92%) SQL
7 113 (17.25%) PHP
8 65 (9.92%) Shell Script
9 56 (8.55%) JavaScript
10 47 (7.18%) PowerShell
11 46 (7.02%) C++
12 31 (4.73%) C
13 21 (3.21%) Korn
14 16 (2.44%) AWK
14 16 (2.44%) Bourne shell
15 10 (1.53%) PL/SQL
16 7 (1.07%) Scala
17 5 (0.76%) C#
18 4 (0.61%) PHP 5
18 4 (0.61%) T-SQL
Qualifications
1 38 (5.80%) Degree
2 19 (2.90%) RHCE
3 16 (2.44%) Cisco Certification
4 15 (2.29%) AWS Certification
5 12 (1.83%) CCNA
6 11 (1.68%) PMI Certification
6 11 (1.68%) PMP
7 9 (1.37%) LPIC
7 9 (1.37%) RHCSA
8 5 (0.76%) CCNP
9 3 (0.46%) CCDP
10 2 (0.31%) CCSA
10 2 (0.31%) CCSE
10 2 (0.31%) MCSE
10 2 (0.31%) Microsoft Certification
11 1 (0.15%) CFA
11 1 (0.15%) ISTQB
11 1 (0.15%) MBA
11 1 (0.15%) MCITP
11 1 (0.15%) RHCA
Quality Assurance & Compliance
1 24 (3.66%) QA
2 11 (1.68%) SLA
3 4 (0.61%) PCI DSS
4 1 (0.15%) Sarbanes-Oxley
System Software
1 136 (20.76%) VMware Infrastructure
2 100 (15.27%) Docker
3 78 (11.91%) NFS
4 65 (9.92%) VMware ESXi
5 55 (8.40%) Active Directory
6 37 (5.65%) XenServer
7 33 (5.04%) vSphere
8 24 (3.66%) KVM
9 22 (3.36%) Virtual Machines
10 19 (2.90%) Corosync
11 18 (2.75%) GlusterFS
11 18 (2.75%) Varnish
12 17 (2.60%) iptables
12 17 (2.60%) vCloud
13 16 (2.44%) Xen
14 14 (2.14%) Hyper-V
15 13 (1.98%) Samba
16 8 (1.22%) Postfix
17 7 (1.07%) OpenSIPS
17 7 (1.07%) VirtualBox
Systems Management
1 342 (52.21%) Puppet
2 235 (35.88%) Ansible
3 199 (30.38%) Opscode Chef
4 156 (23.82%) Nagios
5 41 (6.26%) Salt
6 36 (5.50%) HAProxy
7 24 (3.66%) logstash
8 22 (3.36%) ZABBIX
9 19 (2.90%) Kubernetes
10 18 (2.75%) Terraform
11 17 (2.60%) SELinux
12 16 (2.44%) Packer
13 15 (2.29%) Pacemaker
14 12 (1.83%) Cacti
14 12 (1.83%) vRealize
15 11 (1.68%) PowerCLI
16 10 (1.53%) Graphite
17 9 (1.37%) SCOM
18 8 (1.22%) Failover Clustering
19 5 (0.76%) Nmap
Vendors
1 392 (59.85%) Red Hat
2 236 (36.03%) VMware
3 105 (16.03%) Cisco
4 69 (10.53%) Microsoft
5 59 (9.01%) HP
6 39 (5.95%) Oracle
7 34 (5.19%) Citrix
8 26 (3.97%) New Relic
8 26 (3.97%) Splunk
9 25 (3.82%) Google
10 23 (3.51%) Atlassian
11 19 (2.90%) EMC
12 15 (2.29%) SaltStack
13 12 (1.83%) AppDynamics
14 11 (1.68%) Juniper
15 10 (1.53%) IBM
16 9 (1.37%) Trend Micro
17 8 (1.22%) 3PAR
17 8 (1.22%) Cloudera
17 8 (1.22%) Percona
London
ClearCube Consulting
Salary: From £50,000 to £90,000 per annum
Posted: Yesterday
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 12 hours ago
London
Verticality Ltd
Salary: £50000 - £65000 per annum, Benefits Benefits & equity
Posted: Yesterday
Central London / West End
Client Server
Salary: £90k to £120k + bonus + benefits
Posted: 2 days ago
London
Capgemini UK
Posted: 20 hours ago
West London
Verticality Ltd
Salary: £40000 - £50000 per annum, Benefits Full corporate benefits
Posted: 2 days ago
London
Computer Futures
Salary: competitive
Posted: 3 days ago
City, London
ANSON MCCADE
Salary: £40,000 - £60,000
Posted: 2 days ago
London
Austin Fraser
Salary: £25000 - £40000 per annum + Bens
Posted: 2 days ago
City, London
First Point
Salary: £45000.00 - £55000.00 per annum + Bonus + Benefits
Posted: Yesterday
London
Digitech Resourcing Ltd
Salary: From £60,000 to £75,000 per annum plus benefits
Posted: 4 days ago
City, London
RecruitmentRevolution.com Limited
Salary: From £35,000 to £50,000 per annum + Benefits
Posted: 2 days ago
London
Xenfin Capital
Posted: 3 days ago
London
Resource Partners Ltd
Salary: bonus
Posted: 10 days ago
City, London
ANSON MCCADE
Salary: £45,000 - £60,000 pa + package
Posted: 5 days ago
West London
OpenBet Technology
Salary: Competitive Salary and Excellent Company Benefits
Posted: 9 days ago
City of London
Computer Futures
Salary: £45000 - £55000 per annum + competitive benefits package
Posted: 12 days ago
London
Computer Futures
Salary: competitive
Posted: 12 days ago
London
Client Server
Salary: £60k to £75k + bonus + benefits
Posted: 17 days ago
London
Ipreo
Salary: Competitive + Benefits
Posted: 9 days ago
London
Computer Futures
Salary: competitive
Posted: 26 days ago
London
Client Server
Salary: £60000 - £75000 per annum + bonus + benefits
Posted: 24 days ago
London
Recruitment Revolution Limited
Salary: £35,000 - £50,000 DOE + Full Benefits Package
Posted: 17 days ago
London
Nigel Frank International Ltd
Salary: £40000 - £110000 per annum
Posted: 23 days ago
City of London
Nigel Frank International Ltd
Salary: £100000 - £110000 per annum
Posted: 23 days ago
City, London
CGI
Salary: £80000 - £86000 per annum + benefits
Posted: 24 days ago