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 18 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
18 Jan 2017
Same period 2016 Same period 2015
CentOS Linux
England / London
Rank 331 337 347
Rank change year-on-year
+6 +10
Permanent jobs citing CentOS 275 357 327
As % of all permanent IT jobs located in London 0.82% 0.88% 0.81%
As % of the Operating Systems category 3.34% 3.33% 2.85%
Number of salaries quoted 234 335 299
Median salary £57,500 £52,500 £50,000
Median salary % change year-on-year
+9.52% +5.00%
90% offered a salary of more than £40,000 £37,500 £35,000
10% offered a salary of more than £80,000 £72,500 £65,000
UK excluding London median salary £45,500 £45,000 £41,250
% change year-on-year
+1.11% +9.09%

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
8238 10731 11489
As % of all permanent IT jobs located in London 24.69% 26.38% 28.35%
Number of salaries quoted 7102 9195 9841
Median salary £52,500 £50,000 £47,500
Median salary % change year-on-year
+5.00% +5.26%
90% offered a salary of more than £29,000 £27,500 £27,500
10% offered a salary of more than £80,000 £72,500 £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 18 January 2017.

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 18 January 2017. 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 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 +14 25 £60,000 +11.62% 9
Croydon +26 14 £47,500 +5.55%
Chiswick - 6 - -
Kingston Upon Thames - 2 £42,500 -
Greenwich - 1 £47,500 -
CentOS
England

CentOS
Top 30 Related IT Skills in London

For the 6 months to 18 January 2017, 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.

1 560 (100.00%) Linux
2 316 (56.43%) Red Hat
3 305 (54.46%) Puppet
4 285 (50.89%) DevOps
5 252 (45.00%) Python
6 232 (41.43%) Bash Shell
7 228 (40.71%) Red Hat Enterprise Linux
7 228 (40.71%) Ansible
8 218 (38.93%) Opscode Chef
9 209 (37.32%) Windows
10 197 (35.18%) Amazon AWS
11 193 (34.46%) Ubuntu
12 163 (29.11%) Perl
13 158 (28.21%) Apache
14 145 (25.89%) Configuration Management
15 144 (25.71%) Ruby
16 139 (24.82%) Java
17 133 (23.75%) Jenkins
18 132 (23.57%) VMware
19 129 (23.04%) MySQL
20 98 (17.50%) SQL
21 95 (16.96%) TCP/IP
22 93 (16.61%) LAMP
22 93 (16.61%) Git (software)
23 90 (16.07%) Docker
24 88 (15.71%) Finance
24 88 (15.71%) Tomcat
25 87 (15.54%) VMware Infrastructure
26 86 (15.36%) Continuous Integration
27 84 (15.00%) Agile Software Development

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
1 158 (28.21%) Apache
2 88 (15.71%) Tomcat
3 67 (11.96%) nginx
4 44 (7.86%) IIS
5 32 (5.71%) Confluence
6 30 (5.36%) OpenStack
7 22 (3.93%) Apache Spark
8 19 (3.39%) JBoss
9 17 (3.04%) Elasticsearch
9 17 (3.04%) Hubot
10 9 (1.61%) MS Exchange
11 5 (0.89%) WildFly
12 4 (0.71%) Drupal
12 4 (0.71%) GlassFish
13 3 (0.54%) Apache Pig
13 3 (0.54%) Apache Solr
13 3 (0.54%) Moodle
14 2 (0.36%) Exchange Server 2010
14 2 (0.36%) Exchange Server 2013
14 2 (0.36%) Jetty
Applications
1 8 (1.43%) MS Excel
2 1 (0.18%) GNU Octave
2 1 (0.18%) MS Office
Business Applications
1 2 (0.36%) SAP Oil and Gas
2 1 (0.18%) Magento
2 1 (0.18%) Oracle Applications
Cloud Services
1 197 (35.18%) Amazon AWS
2 52 (9.29%) Microsoft Azure
3 39 (6.96%) SaaS
4 34 (6.07%) Amazon EC2
5 25 (4.46%) Amazon S3
6 22 (3.93%) AWS CloudFormation
7 19 (3.39%) Amazon CloudWatch
7 19 (3.39%) Amazon SQS
7 19 (3.39%) Azure Active Directory
7 19 (3.39%) Slack
8 17 (3.04%) IaaS
9 16 (2.86%) Cloud Computing
10 10 (1.79%) Office 365
11 8 (1.43%) AWS OpsWorks
11 8 (1.43%) GitHub
12 5 (0.89%) G Suite
13 4 (0.71%) Akamai
13 4 (0.71%) PaaS
13 4 (0.71%) Virtual Private Cloud
14 3 (0.54%) Google Cloud Platform
Communications & Networking
1 95 (16.96%) TCP/IP
2 69 (12.32%) Firewall
3 62 (11.07%) DNS
4 54 (9.64%) VPN
5 48 (8.57%) WAN
6 39 (6.96%) LAN
7 38 (6.79%) LDAP
7 38 (6.79%) SAN
8 31 (5.54%) Kerberos
9 30 (5.36%) VLAN
9 30 (5.36%) VoIP
10 26 (4.64%) Cisco ASA
11 25 (4.46%) Network Security
12 23 (4.11%) Asterisk PBX
12 23 (4.11%) SNMP
12 23 (4.11%) Wi-Fi
13 21 (3.75%) DHCP
14 17 (3.04%) iSCSI
15 16 (2.86%) SSH
15 16 (2.86%) Wireshark
Database & Business Intelligence
1 129 (23.04%) MySQL
2 42 (7.50%) Hadoop
3 40 (7.14%) NoSQL
4 29 (5.18%) MongoDB
5 26 (4.64%) PostgreSQL
6 23 (4.11%) Amazon RDS
7 20 (3.57%) Apache Cassandra
8 17 (3.04%) Redis
9 16 (2.86%) Big Data
10 14 (2.50%) SQL Server
11 9 (1.61%) Data Warehouse
12 6 (1.07%) CouchDB
13 5 (0.89%) Informix
14 4 (0.71%) MariaDB
14 4 (0.71%) Relational Database
15 3 (0.54%) Apache Hive
15 3 (0.54%) Oracle Database
16 2 (0.36%) Neo4j
16 2 (0.36%) Pentaho
16 2 (0.36%) SQL Server 2008
Development Applications
1 133 (23.75%) Jenkins
2 93 (16.61%) Git (software)
3 53 (9.46%) JIRA
4 44 (7.86%) TeamCity
5 32 (5.71%) Vagrant
6 30 (5.36%) Atlassian Bamboo
7 28 (5.00%) Maven
8 25 (4.46%) Octopus Deploy
8 25 (4.46%) Subversion
9 12 (2.14%) Gradle
10 11 (1.96%) FishEye
11 7 (1.25%) Ant
11 7 (1.25%) Team Foundation Server
12 6 (1.07%) Hudson
12 6 (1.07%) MSBuild
13 5 (0.89%) CruiseControl
14 4 (0.71%) Bitbucket
15 3 (0.54%) Cucumber
15 3 (0.54%) Grunt
15 3 (0.54%) PHPUnit
General
1 88 (15.71%) Finance
2 43 (7.68%) Telecoms
3 32 (5.71%) Marketing
4 31 (5.54%) Banking
5 22 (3.93%) Retail
6 15 (2.68%) Games
7 11 (1.96%) Front Office
8 9 (1.61%) Financial Institution
9 8 (1.43%) Advertising
10 6 (1.07%) Legal
10 6 (1.07%) Pharmaceutical
11 4 (0.71%) Back Office
11 4 (0.71%) Publishing
12 2 (0.36%) Electronics
12 2 (0.36%) French Language
12 2 (0.36%) Investment Banking
12 2 (0.36%) Law
12 2 (0.36%) Manufacturing
12 2 (0.36%) Spanish Language
Job Titles
1 206 (36.79%) Administrator
2 195 (34.82%) Systems Administrator
3 154 (27.50%) DevOps Engineer
4 127 (22.68%) Linux Administrator
5 121 (21.61%) Linux Systems Administrator
6 120 (21.43%) Linux Engineer
7 71 (12.68%) Linux/Unix DevOps
8 58 (10.36%) AWS Engineer
9 57 (10.18%) DevOps Administrator
10 52 (9.29%) AWS DevOps
11 48 (8.57%) Systems Engineer
12 47 (8.39%) Linux DevOps Engineer
13 38 (6.79%) Senior Systems Administrator
14 36 (6.43%) Developer
15 32 (5.71%) Linux Systems Engineer
15 32 (5.71%) Senior DevOps
15 32 (5.71%) Senior Linux Administrator
15 32 (5.71%) Senior Linux Systems Administrator
16 30 (5.36%) Senior DevOps Engineer
17 26 (4.64%) Lead DevOps
Libraries, Frameworks & Software Standards
1 93 (16.61%) LAMP
2 74 (13.21%) Web Services
3 34 (6.07%) ELK Stack
4 32 (5.71%) Node.js
5 26 (4.64%) LEMP Stack
6 17 (3.04%) Boost C++ Libraries
7 15 (2.68%) .NET
8 14 (2.50%) Memcached
9 13 (2.32%) CSS
9 13 (2.32%) Sensu
10 12 (2.14%) GWT
10 12 (2.14%) HTML
11 8 (1.43%) HTML5
12 7 (1.25%) LAPP Stack
12 7 (1.25%) RabbitMQ
12 7 (1.25%) REST
13 6 (1.07%) AngularJS
13 6 (1.07%) jQuery
13 6 (1.07%) JSON
13 6 (1.07%) RESTful
Miscellaneous
1 61 (10.89%) Data Centre
2 43 (7.68%) Computer Science
3 36 (6.43%) Fintech
4 34 (6.07%) Hedge funds
5 31 (5.54%) Visualisation
6 20 (3.57%) PKI
7 12 (2.14%) Analytical Skills
8 11 (1.96%) Hybrid Cloud
9 10 (1.79%) Clustering
10 9 (1.61%) iPad
10 9 (1.61%) Mobile App
10 9 (1.61%) Statistics
11 8 (1.43%) Management Information System
12 7 (1.25%) Replication
13 6 (1.07%) Blockchain
13 6 (1.07%) Public Cloud
14 5 (0.89%) Streaming Video
15 4 (0.71%) Artificial Intelligence
15 4 (0.71%) Social Media
16 3 (0.54%) Enterprise Storage
Operating Systems
1 560 (100.00%) Linux
2 228 (40.71%) Red Hat Enterprise Linux
3 209 (37.32%) Windows
4 193 (34.46%) Ubuntu
5 56 (10.00%) Windows Server
6 55 (9.82%) Unix
7 49 (8.75%) Debian
8 40 (7.14%) Windows Server 2008
9 37 (6.61%) Windows Server 2012
10 24 (4.29%) Fedora
11 9 (1.61%) Solaris
12 8 (1.43%) Windows Server 2003
13 7 (1.25%) SUSE
14 6 (1.07%) Mac OS X
14 6 (1.07%) Windows 7
15 5 (0.89%) SUSE Linux Enterprise Server
16 3 (0.54%) AIX
16 3 (0.54%) Windows 10
17 2 (0.36%) Windows 8
18 1 (0.18%) Mesosphere
Processes & Methodologies
1 285 (50.89%) DevOps
2 145 (25.89%) Configuration Management
3 86 (15.36%) Continuous Integration
4 84 (15.00%) Agile Software Development
5 63 (11.25%) Open Source
6 37 (6.61%) E-Commerce
7 35 (6.25%) High Availability
8 28 (5.00%) Performance Monitoring
9 27 (4.82%) Load Balancing
10 25 (4.46%) Continuous Deployment
11 23 (4.11%) Business Intelligence
11 23 (4.11%) ITIL
12 22 (3.93%) Migration
12 22 (3.93%) Security Monitoring
13 21 (3.75%) Analytics
14 20 (3.57%) Continuous Delivery
14 20 (3.57%) Network Management
14 20 (3.57%) SDLC
15 19 (3.39%) Disaster Recovery
15 19 (3.39%) Performance Tuning
Programming Languages
1 252 (45.00%) Python
2 232 (41.43%) Bash Shell
3 163 (29.11%) Perl
4 144 (25.71%) Ruby
5 139 (24.82%) Java
6 98 (17.50%) SQL
7 81 (14.46%) PHP
8 45 (8.04%) PowerShell
9 36 (6.43%) JavaScript
10 35 (6.25%) C++
11 31 (5.54%) Shell Script
12 28 (5.00%) C
13 19 (3.39%) Korn
14 15 (2.68%) Bourne shell
15 10 (1.79%) C#
16 9 (1.61%) AWK
17 7 (1.25%) Go
17 7 (1.25%) Scala
18 6 (1.07%) PL/SQL
19 4 (0.71%) Groovy
Qualifications
1 37 (6.61%) Degree
2 31 (5.54%) AWS Certification
3 23 (4.11%) Cisco Certification
4 14 (2.50%) CCNA
5 10 (1.79%) CCNP
6 8 (1.43%) LPIC
6 8 (1.43%) Microsoft Certification
6 8 (1.43%) VMware Certified Professional (VCP)
7 5 (0.89%) MCSA
7 5 (0.89%) RHCE
7 5 (0.89%) RHCSA
8 4 (0.71%) CCDP
9 2 (0.36%) CCSA
9 2 (0.36%) CCSE
9 2 (0.36%) MCTS
9 2 (0.36%) Security Cleared
9 2 (0.36%) VCP6
10 1 (0.18%) DV Cleared
10 1 (0.18%) RHCA
10 1 (0.18%) SC Cleared
Quality Assurance & Compliance
1 23 (4.11%) QA
2 9 (1.61%) SLA
3 3 (0.54%) PCI DSS
4 1 (0.18%) ISO/IEC 27001
4 1 (0.18%) Sarbanes-Oxley
System Software
1 90 (16.07%) Docker
2 87 (15.54%) VMware Infrastructure
3 39 (6.96%) Active Directory
4 23 (4.11%) Virtual Machines
5 20 (3.57%) iptables
6 19 (3.39%) Varnish
7 18 (3.21%) vSphere
8 14 (2.50%) NFS
9 12 (2.14%) Hyper-V
9 12 (2.14%) Xen
10 11 (1.96%) XenServer
11 9 (1.61%) VirtualBox
12 8 (1.43%) vCloud
13 7 (1.25%) GlusterFS
13 7 (1.25%) KVM
14 6 (1.07%) Squid
15 4 (0.71%) Corosync
15 4 (0.71%) OpenSIPS
15 4 (0.71%) Postfix
16 3 (0.54%) VMware ESXi
Systems Management
1 305 (54.46%) Puppet
2 228 (40.71%) Ansible
3 218 (38.93%) Opscode Chef
4 71 (12.68%) Nagios
5 58 (10.36%) Salt
6 36 (6.43%) Terraform
7 29 (5.18%) SELinux
8 22 (3.93%) Packer
9 17 (3.04%) Kubernetes
9 17 (3.04%) ZABBIX
10 15 (2.68%) logstash
11 14 (2.50%) CFEngine
12 12 (2.14%) Rundeck
13 8 (1.43%) HAProxy
14 7 (1.25%) Cacti
14 7 (1.25%) Graphite
14 7 (1.25%) Kibana
14 7 (1.25%) Oracle ZFS
15 6 (1.07%) Failover Clustering
16 5 (0.89%) Icinga
Vendors
1 316 (56.43%) Red Hat
2 132 (23.57%) VMware
3 64 (11.43%) Cisco
4 35 (6.25%) Atlassian
5 33 (5.89%) Microsoft
6 25 (4.46%) New Relic
7 23 (4.11%) Google
8 19 (3.39%) Trend Micro
9 15 (2.68%) Dell
9 15 (2.68%) HP
10 14 (2.50%) Oracle
11 12 (2.14%) ServiceNow
12 11 (1.96%) EMC
13 10 (1.79%) Citrix
14 9 (1.61%) Juniper
15 7 (1.25%) SaltStack
16 6 (1.07%) CheckPoint
16 6 (1.07%) F5
17 5 (0.89%) Splunk
18 4 (0.71%) EqualLogic
Central London / West End
Franklin Fitch Limited
Salary: From £35,000 to £40,000 per annum Extensive training programme + pensi
Posted: 6 hours ago
Central London / West End
Reed Business Information Ltd
Salary: Up to 53k + 10% bonus + 29 days holiday + pension + many other
Posted: 5 hours ago
City, London
Digital Gurus
Salary: £70000 - £80000 Per Annum
Posted: 3 hours ago
City, London
Parallel Consulting
Posted: 4 hours ago
London
Verticality Ltd
Salary: £50000 - £65000 per annum, Benefits Benefits & equity
Posted: Yesterday
West London
Profile 29 Limited
Salary: From £30,000 to £40,000 per annum + benefits
Posted: 16 minutes ago
London
Harvey Nash plc
Salary: £45000 - £55000 per annum
Posted: 5 hours ago
City, London
Spring Technology
Salary: company benefits
Posted: 16 hours ago
London
Opus Recruitment Solutions Ltd
Salary: £40000 - £45000 per annum
Posted: Yesterday
North West London
Davanti Solutions
Salary: £55,000 per annum
Posted: 23 hours ago
London
Hanover IT Recruitment
Salary: From £45,000 to £60,000 per annum
Posted: 2 days ago
London
Harris Global
Salary: Up to £80,000 per annum + bonus and benefits
Posted: Yesterday
West London
OpenBet Technology
Salary: Competitive Salary + Benefits
Posted: 2 days ago
London
Nigel Frank International Ltd
Posted: 2 days ago
London
First Point
Salary: £40000 - £55000 per annum + bonus + pension
Posted: Yesterday
London - Kew Gardens, Richmond
Kew - Royal Botanic Gardens
Salary: £38,000 - £43,000 per annum
Posted: 5 days ago
Brentford, Middlesex
Sega Europe
Salary: Salary + competitive bonus + benefits package
Posted: 2 days ago
South West London
In Practice Systems Ltd
Salary: Unspecified Competitive plus Company Benefits
Posted: Yesterday
City, London
X4 Group
Salary: Market related
Posted: 4 days ago
London
Burns Sheehan
Salary: £60000 - £80000 per annum + Excellent Benefits
Posted: 6 days ago
City, London
X4 Group
Salary: Market related
Posted: 4 days ago
London
Stafford-Sharp Associates
Salary: £350.00 - £480.00 per day
Posted: 6 days ago
London
Nigel Frank International Ltd
Posted: 6 days ago
City, London
Spring Technology
Salary: £40000.00 - £45069.00 per annum + company benefits
Posted: 6 days ago
London
Talent Point
Salary: £50000 - £70000 per annum + bonus + pension
Posted: 13 days ago
London
Hays Specialist Recruitment Ltd
Salary: £36000.00 - £42000.00 per annum + Excellent Benefits
Posted: 14 days ago
East London
The Crocodile
Salary: From £25,000 to £35,000 per annum
Posted: 15 days ago