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

3 months to
7 Dec 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 309 335 349
Rank change year-on-year
+26 +14
Permanent jobs citing CentOS 328 371 376
As % of all permanent IT jobs located in London 0.93% 0.85% 0.84%
As % of the Operating Systems category 3.74% 3.18% 3.01%
Number of salaries quoted 284 349 358
Median salary £60,000 £50,000 £47,500
Median salary % change year-on-year
+20.00% +5.26%
90% offered a salary of more than £42,500 £37,900 £36,500
10% offered a salary of more than £80,000 £70,000 £67,500
UK excluding London median salary £45,000 £45,000 £38,500
% change year-on-year
- +16.88%
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
8776 11653 12508
As % of all permanent IT jobs located in London 24.80% 26.64% 27.90%
Number of salaries quoted 7511 9959 10719
Median salary £50,000 £50,000 £47,500
Median salary % change year-on-year
- +5.26%
90% offered a salary of more than £30,000 £27,500 £27,500
10% offered a salary of more than £80,000 £71,000 £75,000
UK excluding London median salary £37,500 £37,500 £37,500

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 7 December 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 7 December 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 +17 30 £62,500 +28.20% 2
Croydon +22 15 £45,000 -
Chiswick - 5 - -
Hammersmith +9 2 £62,500 -3.84%
Kingston Upon Thames - 2 £42,500 -
CentOS
England

CentOS
Top 30 Related IT Skills in London

For the 6 months to 7 December 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.

1 626 (100.00%) Linux
2 363 (57.99%) Red Hat
3 337 (53.83%) Puppet
4 299 (47.76%) DevOps
5 282 (45.05%) Python
6 261 (41.69%) Red Hat Enterprise Linux
7 259 (41.37%) Bash Shell
8 254 (40.58%) Amazon AWS
9 248 (39.62%) Ansible
10 241 (38.50%) Windows
11 232 (37.06%) Opscode Chef
12 196 (31.31%) Ubuntu
13 194 (30.99%) Ruby
14 187 (29.87%) Perl
15 185 (29.55%) Apache
16 164 (26.20%) Java
17 160 (25.56%) Configuration Management
17 160 (25.56%) VMware
18 154 (24.60%) Jenkins
19 147 (23.48%) MySQL
20 119 (19.01%) Finance
21 118 (18.85%) SQL
22 113 (18.05%) Tomcat
23 110 (17.57%) Agile Software Development
24 106 (16.93%) VMware Infrastructure
24 106 (16.93%) LAMP
25 99 (15.81%) TCP/IP
26 97 (15.50%) PHP
27 93 (14.86%) Web Services
28 92 (14.70%) Docker

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
1 185 (29.55%) Apache
2 113 (18.05%) Tomcat
3 85 (13.58%) nginx
4 52 (8.31%) IIS
5 42 (6.71%) Confluence
6 34 (5.43%) JBoss
7 26 (4.15%) OpenStack
8 25 (3.99%) Hubot
9 20 (3.19%) Apache Spark
10 19 (3.04%) Elasticsearch
11 9 (1.44%) Drupal
11 9 (1.44%) MS Exchange
12 8 (1.28%) WildFly
13 5 (0.80%) WordPress
14 4 (0.64%) CMS
14 4 (0.64%) SharePoint
14 4 (0.64%) WebLogic
15 3 (0.48%) Apache Pig
15 3 (0.48%) Apache Solr
16 2 (0.32%) Exchange Server 2013
Applications
1 11 (1.76%) MS Excel
2 1 (0.16%) GNU Octave
2 1 (0.16%) MS Office
Business Applications
1 1 (0.16%) CODA-Financials
1 1 (0.16%) Magento
1 1 (0.16%) SAP Oil and Gas
Cloud Services
1 254 (40.58%) Amazon AWS
2 62 (9.90%) Microsoft Azure
3 42 (6.71%) Amazon EC2
4 39 (6.23%) SaaS
5 33 (5.27%) Amazon S3
6 27 (4.31%) Slack
7 26 (4.15%) AWS CloudFormation
7 26 (4.15%) IaaS
8 22 (3.51%) Amazon CloudWatch
8 22 (3.51%) Amazon SQS
8 22 (3.51%) Azure Active Directory
9 20 (3.19%) Cloud Computing
10 13 (2.08%) AWS OpsWorks
11 12 (1.92%) Office 365
12 10 (1.60%) PaaS
13 8 (1.28%) GitHub
14 7 (1.12%) OpenShift
15 5 (0.80%) G Suite
16 4 (0.64%) Virtual Private Cloud
17 3 (0.48%) Google Cloud Platform
Communications & Networking
1 99 (15.81%) TCP/IP
2 78 (12.46%) DNS
2 78 (12.46%) Firewall
3 50 (7.99%) VPN
4 49 (7.83%) LDAP
5 47 (7.51%) WAN
6 45 (7.19%) Kerberos
7 39 (6.23%) SAN
8 38 (6.07%) LAN
9 30 (4.79%) HTTP
9 30 (4.79%) Network Security
9 30 (4.79%) VLAN
10 28 (4.47%) Asterisk PBX
11 27 (4.31%) Cisco ASA
11 27 (4.31%) Wi-Fi
12 26 (4.15%) VoIP
13 25 (3.99%) DHCP
14 22 (3.51%) SNMP
14 22 (3.51%) Wireshark
15 16 (2.56%) SSH
Database & Business Intelligence
1 147 (23.48%) MySQL
2 54 (8.63%) Hadoop
3 47 (7.51%) MongoDB
4 46 (7.35%) NoSQL
5 39 (6.23%) Redis
6 37 (5.91%) PostgreSQL
7 31 (4.95%) Amazon RDS
8 28 (4.47%) Apache Cassandra
9 20 (3.19%) SQL Server
10 15 (2.40%) Big Data
11 11 (1.76%) CouchDB
12 10 (1.60%) MariaDB
13 9 (1.44%) Data Warehouse
13 9 (1.44%) Relational Database
14 4 (0.64%) Informix
14 4 (0.64%) Oracle Database
14 4 (0.64%) SQL Server 2008
15 3 (0.48%) Apache Hive
15 3 (0.48%) Neo4j
15 3 (0.48%) Pentaho
Development Applications
1 154 (24.60%) Jenkins
2 87 (13.90%) Git (software)
3 66 (10.54%) JIRA
4 43 (6.87%) TeamCity
5 34 (5.43%) Maven
6 33 (5.27%) Atlassian Bamboo
7 30 (4.79%) Subversion
8 29 (4.63%) Vagrant
9 20 (3.19%) Octopus Deploy
10 11 (1.76%) FishEye
10 11 (1.76%) Gradle
11 6 (0.96%) Ant
12 5 (0.80%) CruiseControl
13 3 (0.48%) Bitbucket
13 3 (0.48%) Talend Open Studio
14 2 (0.32%) Cucumber
14 2 (0.32%) JUnit
14 2 (0.32%) PHPUnit
14 2 (0.32%) Selenium
14 2 (0.32%) Sonatype Nexus
General
1 119 (19.01%) Finance
2 41 (6.55%) Telecoms
3 40 (6.39%) Banking
4 37 (5.91%) Marketing
5 32 (5.11%) Retail
6 19 (3.04%) Games
7 12 (1.92%) Publishing
8 11 (1.76%) Advertising
9 9 (1.44%) Back Office
9 9 (1.44%) Financial Institution
9 9 (1.44%) Front Office
10 7 (1.12%) Legal
11 5 (0.80%) Pharmaceutical
12 2 (0.32%) French Language
12 2 (0.32%) Investment Banking
12 2 (0.32%) Law
12 2 (0.32%) Spanish Language
13 1 (0.16%) Electronics
13 1 (0.16%) Manufacturing
Job Titles
1 221 (35.30%) Administrator
2 198 (31.63%) Systems Administrator
3 165 (26.36%) DevOps Engineer
4 143 (22.84%) Linux Engineer
5 142 (22.68%) Linux Administrator
6 130 (20.77%) Linux Systems Administrator
7 78 (12.46%) Linux/Unix DevOps
8 68 (10.86%) AWS Engineer
9 56 (8.95%) Linux DevOps Engineer
10 53 (8.47%) Developer
10 53 (8.47%) DevOps Administrator
11 51 (8.15%) AWS DevOps
12 50 (7.99%) Systems Engineer
13 44 (7.03%) Senior Linux Administrator
14 43 (6.87%) Senior Systems Administrator
15 39 (6.23%) Senior Linux Systems Administrator
16 36 (5.75%) Linux Systems Engineer
17 34 (5.43%) Senior DevOps
18 32 (5.11%) Java Developer
18 32 (5.11%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 106 (16.93%) LAMP
2 93 (14.86%) Web Services
3 40 (6.39%) LEMP Stack
4 36 (5.75%) ELK Stack
5 28 (4.47%) Node.js
6 25 (3.99%) Memcached
7 22 (3.51%) Boost C++ Libraries
7 22 (3.51%) HTML
8 21 (3.35%) CSS
9 20 (3.19%) JSON
10 17 (2.72%) GWT
11 16 (2.56%) .NET
12 12 (1.92%) Sensu
12 12 (1.92%) XML
13 11 (1.76%) HTML5
14 10 (1.60%) AngularJS
15 9 (1.44%) LAPP Stack
15 9 (1.44%) RabbitMQ
15 9 (1.44%) RESTful
15 9 (1.44%) Spring
Miscellaneous
1 83 (13.26%) Data Centre
2 47 (7.51%) Computer Science
3 33 (5.27%) Fintech
4 28 (4.47%) Hedge funds
4 28 (4.47%) PKI
4 28 (4.47%) Visualisation
5 18 (2.88%) Clustering
6 16 (2.56%) Analytical Skills
6 16 (2.56%) Statistics
7 14 (2.24%) Hybrid Cloud
8 9 (1.44%) Management Information System
8 9 (1.44%) Replication
9 8 (1.28%) Algorithms
9 8 (1.28%) Mobile App
10 7 (1.12%) iPad
11 6 (0.96%) Blockchain
11 6 (0.96%) Data Structures
12 5 (0.80%) Data Integration
12 5 (0.80%) Public Cloud
12 5 (0.80%) Streaming Video
Operating Systems
1 626 (100.00%) Linux
2 261 (41.69%) Red Hat Enterprise Linux
3 241 (38.50%) Windows
4 196 (31.31%) Ubuntu
5 75 (11.98%) Unix
6 67 (10.70%) Windows Server
7 58 (9.27%) Debian
7 58 (9.27%) Windows Server 2008
8 50 (7.99%) Windows Server 2012
9 22 (3.51%) Fedora
10 13 (2.08%) Windows Server 2003
11 7 (1.12%) Mac OS X
11 7 (1.12%) Solaris
11 7 (1.12%) SUSE
11 7 (1.12%) Windows 7
12 6 (0.96%) FreeBSD
13 4 (0.64%) Amazon Linux
13 4 (0.64%) Windows 10
14 2 (0.32%) AIX
14 2 (0.32%) Windows 8
Processes & Methodologies
1 299 (47.76%) DevOps
2 160 (25.56%) Configuration Management
3 110 (17.57%) Agile Software Development
4 84 (13.42%) Continuous Integration
5 51 (8.15%) E-Commerce
6 50 (7.99%) Open Source
7 41 (6.55%) High Availability
8 32 (5.11%) Load Balancing
9 29 (4.63%) ITIL
10 28 (4.47%) Performance Monitoring
11 25 (3.99%) ChatOps
11 25 (3.99%) Migration
11 25 (3.99%) Network Management
11 25 (3.99%) OO
11 25 (3.99%) SDLC
12 24 (3.83%) Business Intelligence
13 23 (3.67%) Continuous Deployment
14 21 (3.35%) Performance Tuning
15 18 (2.88%) Analytics
15 18 (2.88%) Network Monitoring
Programming Languages
1 282 (45.05%) Python
2 259 (41.37%) Bash Shell
3 194 (30.99%) Ruby
4 187 (29.87%) Perl
5 164 (26.20%) Java
6 118 (18.85%) SQL
7 97 (15.50%) PHP
8 53 (8.47%) JavaScript
8 53 (8.47%) Shell Script
9 45 (7.19%) C++
10 43 (6.87%) PowerShell
11 36 (5.75%) C
12 16 (2.56%) AWK
12 16 (2.56%) Korn
13 13 (2.08%) Bourne shell
14 10 (1.60%) C#
15 8 (1.28%) Scala
16 7 (1.12%) Go
17 6 (0.96%) T-SQL
18 5 (0.80%) PHP 5
Qualifications
1 38 (6.07%) Degree
2 33 (5.27%) AWS Certification
3 20 (3.19%) Cisco Certification
4 12 (1.92%) CCNA
5 11 (1.76%) RHCE
6 9 (1.44%) CCNP
6 9 (1.44%) LPIC
7 6 (0.96%) RHCSA
8 5 (0.80%) Microsoft Certification
8 5 (0.80%) VMware Certified Professional (VCP)
9 4 (0.64%) CCDP
9 4 (0.64%) MCSA
9 4 (0.64%) PMI Certification
9 4 (0.64%) PMP
10 2 (0.32%) CCSA
10 2 (0.32%) CCSE
11 1 (0.16%) CFA
11 1 (0.16%) DV Cleared
11 1 (0.16%) RHCA
11 1 (0.16%) Security Cleared
Quality Assurance & Compliance
1 28 (4.47%) QA
2 9 (1.44%) SLA
3 2 (0.32%) PCI DSS
4 1 (0.16%) ISO/IEC 27001
4 1 (0.16%) Sarbanes-Oxley
System Software
1 106 (16.93%) VMware Infrastructure
2 92 (14.70%) Docker
3 46 (7.35%) Active Directory
4 25 (3.99%) Varnish
5 23 (3.67%) Virtual Machines
6 20 (3.19%) NFS
7 19 (3.04%) iptables
7 19 (3.04%) vSphere
8 17 (2.72%) XenServer
9 14 (2.24%) GlusterFS
10 12 (1.92%) Hyper-V
10 12 (1.92%) Xen
11 11 (1.76%) Corosync
11 11 (1.76%) KVM
11 11 (1.76%) VirtualBox
12 9 (1.44%) vCloud
13 7 (1.12%) Postfix
14 6 (0.96%) VMware ESXi
15 5 (0.80%) Squid
16 4 (0.64%) OpenSIPS
Systems Management
1 337 (53.83%) Puppet
2 248 (39.62%) Ansible
3 232 (37.06%) Opscode Chef
4 87 (13.90%) Nagios
5 60 (9.58%) Salt
6 30 (4.79%) Terraform
7 27 (4.31%) SELinux
8 22 (3.51%) ZABBIX
9 19 (3.04%) Kubernetes
10 17 (2.72%) logstash
10 17 (2.72%) Packer
11 15 (2.40%) HAProxy
12 12 (1.92%) Rundeck
13 11 (1.76%) Pacemaker
14 9 (1.44%) Graphite
15 8 (1.28%) Failover Clustering
15 8 (1.28%) SCOM
16 7 (1.12%) Oracle ZFS
17 5 (0.80%) CFEngine
18 4 (0.64%) Mesos
Vendors
1 363 (57.99%) Red Hat
2 160 (25.56%) VMware
3 70 (11.18%) Cisco
4 46 (7.35%) Microsoft
5 40 (6.39%) Atlassian
6 27 (4.31%) New Relic
7 26 (4.15%) Google
8 20 (3.19%) Citrix
8 20 (3.19%) Oracle
8 20 (3.19%) Trend Micro
9 14 (2.24%) EMC
10 11 (1.76%) ServiceNow
11 9 (1.44%) Cloudera
11 9 (1.44%) Dell
11 9 (1.44%) HP
11 9 (1.44%) Juniper
12 8 (1.28%) SaltStack
13 7 (1.12%) CheckPoint
14 6 (0.96%) F5
14 6 (0.96%) Hortonworks
City, London
Harris Global
Salary: From £70,000 to £80,000 per annum + unrivaled benefits
Posted: 12 hours ago
Central London / West End
Stratospherec
Salary: From £50,000 to £60,000 per annum Excellent benefits and bonus scheme
Posted: 19 hours ago
London
onezeero.
Salary: £35000 - £40000 per annum + benefits
Posted: Yesterday
London
Venturi
Salary: £45000.00 - £55000.00 per annum
Posted: 21 hours ago
London
Austin Fraser
Salary: £45000 - £75000 per annum
Posted: 2 days ago
London
Salt
Salary: £60000.00 - £80000.00 per annum
Posted: 2 days ago
London
Verticality Ltd
Salary: £65000 - £85000 per annum, Benefits Bonus
Posted: 2 days ago
South West London
In Practice Systems Ltd
Salary: Unspecified Competitive plus Company Benefits
Posted: 18 hours ago
London
First Point
Salary: £50000 - £65000 per annum + bonus + pension
Posted: 2 days ago
London
Resource Partners Ltd
Salary: bonus
Posted: 6 days ago
London
Digitech Resourcing Ltd
Salary: From £80,000 to £95,000 per annum
Posted: 6 days ago
City, London
ANSON MCCADE
Salary: £40,000 - £60,000
Posted: 6 days ago
London
Digitech Resourcing Ltd
Salary: Up to £80,000 per annum 20% bonus + bens
Posted: 6 days ago
London
Joseph Harry Ltd
Salary: £50000 - £65000 per annum + 15% bonus + 10% pension
Posted: 6 days ago
Central London / West End
Digitech Resourcing Ltd
Salary: From £45,000 to £60,000 per annum 60,000 plus 15% bonus and benefits
Posted: 5 days ago
Central London / West End
Stratospherec
Salary: From £25,000 to £40,000 per annum Plus excellent benefits and bonuses
Posted: 5 days ago
London
McGregor Boyall
Salary: £50000.00 - £55000.00 per annum
Posted: 6 days ago
West London
Aquent
Salary: £45000 - £55000 per annum
Posted: 5 days ago
Central London
Acumin Consulting
Salary: £80,000 per year + Exceptional Package
Posted: 8 days ago
West London
OpenBet Technology
Salary: Competitive Salary and Excellent Company Benefits
Posted: 15 days ago
North London
Devlifecycle.com
Salary: From £50,000 to £70,000 per annum
Posted: 6 days ago
London
People Source Consulting
Salary: £50000 - £55000 per annum + pension, health care, 25 days
Posted: 5 days ago
London
Talent Point
Salary: £50000 - £65000 per annum + bonus + pension
Posted: 16 days ago
London
Venturi
Salary: £58000 - £75000 per annum + Benefits
Posted: 13 days ago
London
Client Server
Salary: £90k to £120k + bonus + benefits
Posted: 23 days ago
London
Client Server
Salary: £50000 - £60000 per annum + bonus + benefits
Posted: 15 days ago