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 21 February 2017 with a comparison to the same period over the previous 2 years.

3 months to
21 Feb 2017
Same period 2016 Same period 2015
CentOS Linux
England / London
Rank 372 337 367
Rank change year-on-year
-35 +30
Permanent jobs citing CentOS 230 358 316
As % of all permanent IT jobs located in London 0.69% 0.88% 0.77%
As % of the Operating Systems category 2.89% 3.37% 2.71%
Number of salaries quoted 194 317 278
Median salary £57,500 £55,000 £50,000
Median salary % change year-on-year
+4.54% +10.00%
90% offered a salary of more than £37,500 £38,000 £35,850
10% offered a salary of more than £80,000 £73,500 £67,500
UK excluding London median salary £45,000 £45,000 £41,000
% change year-on-year
- +9.75%

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
7960 10617 11671
As % of all permanent IT jobs located in London 23.82% 26.12% 28.30%
Number of salaries quoted 6782 9075 9954
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 £28,500 £28,500 £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 21 February 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 21 February 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 +36 28 £55,000 -8.33% 6
Croydon +8 7 £50,000 -16.66%
Kingston Upon Thames - 6 £25,000 -
Chiswick - 3 - -
Greenwich - 1 £47,500 -
CentOS
England

CentOS
Top 30 Related IT Skills in London

For the 6 months to 21 February 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.

1 552 (100.00%) Linux
2 309 (55.98%) Red Hat
3 295 (53.44%) Puppet
4 287 (51.99%) DevOps
5 258 (46.74%) Python
6 234 (42.39%) Ansible
7 223 (40.40%) Bash Shell
8 222 (40.22%) Opscode Chef
9 210 (38.04%) Red Hat Enterprise Linux
9 210 (38.04%) Windows
10 185 (33.51%) Ubuntu
11 180 (32.61%) Amazon AWS
12 163 (29.53%) Perl
13 154 (27.90%) Apache
14 151 (27.36%) Java
15 144 (26.09%) Configuration Management
16 136 (24.64%) Ruby
17 134 (24.28%) MySQL
18 131 (23.73%) Jenkins
19 125 (22.64%) VMware
20 102 (18.48%) SQL
21 101 (18.30%) Git (software)
22 94 (17.03%) Continuous Integration
23 92 (16.67%) TCP/IP
23 92 (16.67%) Finance
24 91 (16.49%) LAMP
24 91 (16.49%) Docker
25 90 (16.30%) VMware Infrastructure
26 87 (15.76%) PHP
27 82 (14.86%) Tomcat

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
1 154 (27.90%) Apache
2 82 (14.86%) Tomcat
3 64 (11.59%) nginx
4 37 (6.70%) IIS
5 36 (6.52%) OpenStack
6 29 (5.25%) Confluence
7 26 (4.71%) Elasticsearch
8 23 (4.17%) Apache Spark
9 15 (2.72%) JBoss
10 12 (2.17%) Hubot
11 7 (1.27%) MS Exchange
12 5 (0.91%) WildFly
13 4 (0.72%) GlassFish
13 4 (0.72%) Moodle
14 3 (0.54%) Apache Pig
14 3 (0.54%) Apache Solr
14 3 (0.54%) Jetty
15 2 (0.36%) Drupal
15 2 (0.36%) Exchange Server 2013
15 2 (0.36%) WebSphere
Applications
1 8 (1.45%) MS Excel
2 1 (0.18%) GNU Octave
2 1 (0.18%) MS Office
Business Applications
1 1 (0.18%) Oracle Applications
1 1 (0.18%) SAP Oil and Gas
Cloud Services
1 180 (32.61%) Amazon AWS
2 48 (8.70%) Microsoft Azure
3 43 (7.79%) SaaS
4 27 (4.89%) Amazon EC2
5 23 (4.17%) IaaS
6 21 (3.80%) Amazon S3
7 19 (3.44%) AWS CloudFormation
8 17 (3.08%) Cloud Computing
9 16 (2.90%) Amazon CloudWatch
9 16 (2.90%) Amazon SQS
9 16 (2.90%) Azure Active Directory
10 14 (2.54%) Slack
11 9 (1.63%) GitHub
12 8 (1.45%) PaaS
13 6 (1.09%) Office 365
14 5 (0.91%) AWS OpsWorks
14 5 (0.91%) G Suite
15 4 (0.72%) Akamai
15 4 (0.72%) Virtual Private Cloud
16 3 (0.54%) Google Cloud Platform
Communications & Networking
1 92 (16.67%) TCP/IP
2 58 (10.51%) DNS
3 57 (10.33%) Firewall
4 45 (8.15%) VPN
5 42 (7.61%) LDAP
6 37 (6.70%) WAN
7 35 (6.34%) LAN
8 31 (5.62%) SAN
9 26 (4.71%) Kerberos
10 23 (4.17%) HTTP
10 23 (4.17%) VLAN
11 21 (3.80%) Asterisk PBX
11 21 (3.80%) SNMP
12 19 (3.44%) Network Security
13 17 (3.08%) VoIP
13 17 (3.08%) Wi-Fi
14 16 (2.90%) SMTP
14 16 (2.90%) SSH
15 15 (2.72%) DHCP
16 14 (2.54%) Wireshark
Database & Business Intelligence
1 134 (24.28%) MySQL
2 56 (10.14%) NoSQL
3 36 (6.52%) Hadoop
4 30 (5.43%) MongoDB
5 26 (4.71%) PostgreSQL
6 23 (4.17%) Apache Cassandra
6 23 (4.17%) Big Data
7 22 (3.99%) Redis
8 20 (3.62%) Amazon RDS
9 16 (2.90%) SQL Server
10 14 (2.54%) Data Warehouse
11 8 (1.45%) Relational Database
12 6 (1.09%) Blockchain
12 6 (1.09%) CouchDB
12 6 (1.09%) MariaDB
13 5 (0.91%) Informix
14 4 (0.72%) Oracle Database
14 4 (0.72%) SQL Server 2008
14 4 (0.72%) SQL Server 2012
15 3 (0.54%) Apache Hive
Development Applications
1 131 (23.73%) Jenkins
2 101 (18.30%) Git (software)
3 49 (8.88%) JIRA
4 44 (7.97%) TeamCity
5 32 (5.80%) Vagrant
6 29 (5.25%) Maven
7 27 (4.89%) Atlassian Bamboo
7 27 (4.89%) Subversion
8 22 (3.99%) Octopus Deploy
9 12 (2.17%) FishEye
10 11 (1.99%) Gradle
11 8 (1.45%) Ant
12 7 (1.27%) Hudson
12 7 (1.27%) Team Foundation Server
13 6 (1.09%) Mercurial
13 6 (1.09%) MSBuild
14 5 (0.91%) CruiseControl
15 4 (0.72%) Cucumber
15 4 (0.72%) JUnit
15 4 (0.72%) Visual Studio
General
1 92 (16.67%) Finance
2 50 (9.06%) Telecoms
3 31 (5.62%) Banking
4 27 (4.89%) Marketing
5 17 (3.08%) Retail
6 14 (2.54%) Games
7 11 (1.99%) Front Office
8 9 (1.63%) Financial Institution
9 7 (1.27%) Advertising
10 5 (0.91%) Back Office
11 4 (0.72%) Legal
11 4 (0.72%) Pharmaceutical
12 3 (0.54%) Publishing
13 2 (0.36%) Investment Banking
13 2 (0.36%) Law
14 1 (0.18%) Electronics
14 1 (0.18%) French Language
14 1 (0.18%) Manufacturing
14 1 (0.18%) Spanish Language
Job Titles
1 195 (35.33%) Administrator
2 184 (33.33%) Systems Administrator
3 158 (28.62%) DevOps Engineer
4 121 (21.92%) Linux Engineer
5 117 (21.20%) Linux Administrator
6 110 (19.93%) Linux Systems Administrator
7 72 (13.04%) Linux/Unix DevOps
8 56 (10.14%) DevOps Administrator
9 51 (9.24%) AWS Engineer
10 47 (8.51%) Linux DevOps Engineer
11 46 (8.33%) AWS DevOps
12 40 (7.25%) Systems Engineer
13 33 (5.98%) Developer
14 31 (5.62%) Senior Systems Administrator
15 30 (5.43%) Senior DevOps
16 29 (5.25%) Senior DevOps Engineer
17 27 (4.89%) Linux Systems Engineer
18 26 (4.71%) Senior Linux Administrator
19 25 (4.53%) Senior Linux Engineer
19 25 (4.53%) Senior Linux Systems Administrator
Libraries, Frameworks & Software Standards
1 91 (16.49%) LAMP
2 74 (13.41%) Web Services
3 35 (6.34%) Elastic Stack
4 32 (5.80%) Node.js
5 24 (4.35%) LEMP Stack
6 19 (3.44%) Boost C++ Libraries
7 18 (3.26%) Sensu
8 17 (3.08%) Memcached
9 15 (2.72%) .NET
9 15 (2.72%) CSS
10 14 (2.54%) HTML
11 13 (2.36%) RESTful
12 12 (2.17%) FIX Protocol
13 11 (1.99%) GWT
14 9 (1.63%) HTML5
15 8 (1.45%) RabbitMQ
15 8 (1.45%) REST
16 7 (1.27%) jQuery
16 7 (1.27%) SOAP
17 6 (1.09%) LAPP Stack
Miscellaneous
1 52 (9.42%) Computer Science
2 48 (8.70%) Data Centre
3 36 (6.52%) Hedge funds
4 35 (6.34%) Fintech
5 18 (3.26%) Analytical Skills
6 16 (2.90%) PKI
7 15 (2.72%) Linux Command Line
8 12 (2.17%) Mobile App
9 8 (1.45%) iPad
9 8 (1.45%) Replication
10 7 (1.27%) Clustering
10 7 (1.27%) Management Information System
11 5 (0.91%) Streaming Video
12 4 (0.72%) e-Learning
12 4 (0.72%) Eurex
12 4 (0.72%) Public Cloud
12 4 (0.72%) Social Media
13 3 (0.54%) Algorithms
13 3 (0.54%) Hybrid Cloud
13 3 (0.54%) Private Cloud
Operating Systems
1 552 (100.00%) Linux
2 210 (38.04%) Red Hat Enterprise Linux
2 210 (38.04%) Windows
3 185 (33.51%) Ubuntu
4 60 (10.87%) Windows Server
5 54 (9.78%) Unix
6 50 (9.06%) Debian
7 36 (6.52%) Windows Server 2008
7 36 (6.52%) Windows Server 2012
8 26 (4.71%) Fedora
9 11 (1.99%) Solaris
10 10 (1.81%) SUSE Linux Enterprise Server
11 9 (1.63%) SUSE
12 6 (1.09%) Windows Server 2003
13 5 (0.91%) AIX
13 5 (0.91%) Windows 7
14 2 (0.36%) Windows 10
14 2 (0.36%) Windows 8
15 1 (0.18%) Mac OS
15 1 (0.18%) Mesosphere
Processes & Methodologies
1 287 (51.99%) DevOps
2 144 (26.09%) Configuration Management
3 94 (17.03%) Continuous Integration
4 78 (14.13%) Agile Software Development
5 73 (13.22%) Open Source
6 34 (6.16%) High Availability
7 31 (5.62%) E-Commerce
8 28 (5.07%) Visualisation
9 27 (4.89%) Continuous Deployment
10 26 (4.71%) Migration
10 26 (4.71%) Performance Monitoring
11 23 (4.17%) SDLC
12 22 (3.99%) Network Management
13 21 (3.80%) Analytics
14 20 (3.62%) Business Intelligence
14 20 (3.62%) Disaster Recovery
14 20 (3.62%) Performance Tuning
14 20 (3.62%) Software Engineering
15 19 (3.44%) ITIL
15 19 (3.44%) Load Balancing
Programming Languages
1 258 (46.74%) Python
2 223 (40.40%) Bash Shell
3 163 (29.53%) Perl
4 151 (27.36%) Java
5 136 (24.64%) Ruby
6 102 (18.48%) SQL
7 87 (15.76%) PHP
8 45 (8.15%) PowerShell
9 44 (7.97%) JavaScript
10 38 (6.88%) C++
11 33 (5.98%) Shell Script
12 25 (4.53%) C
13 19 (3.44%) Korn
14 16 (2.90%) C#
15 15 (2.72%) Bourne shell
16 14 (2.54%) AWK
17 10 (1.81%) Groovy
18 8 (1.45%) Go
18 8 (1.45%) PL/SQL
19 5 (0.91%) T-SQL
Qualifications
1 49 (8.88%) Degree
2 26 (4.71%) AWS Certification
3 20 (3.62%) Cisco Certification
4 11 (1.99%) CCNA
5 9 (1.63%) VMware Certified Professional (VCP)
6 8 (1.45%) CCNP
6 8 (1.45%) Microsoft Certification
7 6 (1.09%) LPIC
7 6 (1.09%) RHCE
8 5 (0.91%) MCSA
8 5 (0.91%) RHCSA
8 5 (0.91%) SC Cleared
8 5 (0.91%) Security Cleared
9 4 (0.72%) CCDP
10 2 (0.36%) MCTS
10 2 (0.36%) RHCA
10 2 (0.36%) VCP6
11 1 (0.18%) MCP
11 1 (0.18%) MCSE
Quality Assurance & Compliance
1 21 (3.80%) QA
2 8 (1.45%) SLA
3 3 (0.54%) PCI DSS
4 1 (0.18%) ISO/IEC 27001
4 1 (0.18%) Sarbanes-Oxley
System Software
1 91 (16.49%) Docker
2 90 (16.30%) VMware Infrastructure
3 39 (7.07%) Active Directory
4 21 (3.80%) Virtual Machines
5 20 (3.62%) Varnish
6 19 (3.44%) iptables
7 18 (3.26%) vSphere
8 14 (2.54%) Hyper-V
9 13 (2.36%) Xen
10 11 (1.99%) KVM
10 11 (1.99%) NFS
11 10 (1.81%) XenServer
12 8 (1.45%) VirtualBox
13 7 (1.27%) VMware ESXi
14 6 (1.09%) GlusterFS
14 6 (1.09%) Squid
14 6 (1.09%) vCloud
15 3 (0.54%) Corosync
15 3 (0.54%) OpenSIPS
15 3 (0.54%) Postfix
Systems Management
1 295 (53.44%) Puppet
2 234 (42.39%) Ansible
3 222 (40.22%) Opscode Chef
4 66 (11.96%) Nagios
5 61 (11.05%) Salt
6 37 (6.70%) Terraform
7 32 (5.80%) SELinux
8 22 (3.99%) Kubernetes
8 22 (3.99%) ZABBIX
9 20 (3.62%) CFEngine
9 20 (3.62%) Packer
10 18 (3.26%) logstash
11 13 (2.36%) Rundeck
12 12 (2.17%) Kibana
13 9 (1.63%) Galera Cluster
14 8 (1.45%) Mesos
15 7 (1.27%) Icinga
16 6 (1.09%) Graphite
16 6 (1.09%) HAProxy
16 6 (1.09%) Oracle ZFS
Vendors
1 309 (55.98%) Red Hat
2 125 (22.64%) VMware
3 51 (9.24%) Cisco
4 31 (5.62%) Atlassian
5 28 (5.07%) Microsoft
6 21 (3.80%) Google
7 19 (3.44%) New Relic
8 16 (2.90%) HP
8 16 (2.90%) Oracle
8 16 (2.90%) Trend Micro
9 12 (2.17%) Dell
9 12 (2.17%) EMC
10 10 (1.81%) Juniper
10 10 (1.81%) ServiceNow
11 8 (1.45%) Citrix
12 7 (1.27%) SaltStack
12 7 (1.27%) Splunk
13 6 (1.09%) Bloomberg
13 6 (1.09%) Reuters
14 5 (0.91%) F5
London
Digitech Resourcing Ltd
Salary: Up to £80,000 per annum 20% bonus + bens
Posted: 3 hours ago
London
Rullion
Posted: 5 hours ago
Central London / West End
Evolution Recruitment Solutions
Salary: Circa 70,000 - 75,000 + Excellent benefits
Posted: Yesterday
London
Burns Sheehan
Salary: £60000 - £80000 per annum + Excellent Benefits
Posted: Yesterday
London
The Workshop Technologies Ltd
Salary: Excellent salary + benefits
Posted: 22 hours ago
City, London
Miller Maxwell Ltd
Salary: From £35,000 to £45,000 per annum + Bonus & benefits
Posted: Yesterday
North West London
Harris Global
Salary: Up to £45,000 per annum
Posted: 23 hours ago
City, London
Franklin Fitch Limited
Salary: From £50,000 to £75,000 per annum
Posted: 4 days ago
Central London / West End
Oscar
Salary: £50000 - £60000 per annum
Posted: 5 days ago
North West London
Davanti Solutions
Salary: From £40,000 to £55,000 per annum
Posted: 2 days ago
East London
Digitech Resourcing Ltd
Salary: From £60,000 to £75,000 per annum plus benefits
Posted: 6 days ago
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 3 days ago
Uxbridge, Middlesex
Informatiq Consulting
Salary: £55000 - £70000 per annum + Bens
Posted: 3 days ago
London
Resource Partners Ltd
Salary: bonus
Posted: 6 days ago
West London
The Workshop
Salary: Excellent salary + benefits
Posted: 3 days ago
London
BookingBug
Salary: Competitive
Posted: 4 days ago
London
TRG
Salary: 60000-65000 Per Annum Plus Bonus and Benefits
Posted: 8 days ago
North London
Send
Salary: From £80,000 to £90,000 per annum + Pension + Flexible Benefits
Posted: 5 days ago
South West London
Sky Betting & Gaming
Posted: 5 days ago
London
Send
Salary: From £75,000 to £95,000 per annum Full Benefits package
Posted: 6 days ago
East London
Condeco Ltd
Salary: £45000 - £60000 per annum + Benefits
Posted: 3 days ago
London
Harris Global
Salary: From £70,000 to £80,000 per annum
Posted: 6 days ago
South West London
Informatiq Consulting
Salary: £35000 - £45000 per annum + Bens
Posted: 6 days ago
North London
Digitech Resourcing Ltd
Salary: From £45,000 to £55,000 per annum £55,000 plus 15% bonus and benefits
Posted: 6 days ago
London
TDA Group
Salary: £50000 - £53000 per annum + guaranteed 10% bonus and benefits
Posted: 7 days ago
London
ReThink Recruitment
Salary: £50 - £50000 per annum
Posted: 4 days ago
North London
Send
Salary: From £65,000 to £75,000 per annum + Pension + Flexible Benefits
Posted: 5 days ago
London
TRG
Salary: 60000-65000 Per Annum Plus Bonus and Benefits
Posted: 22 days ago
London
CGI
Salary: £75000 - £90000 per annum + benefits
Posted: 15 days ago
London
GQR Global Markets
Salary: £80,000 - £120,000+ per year + bonus & benefits
Posted: 27 days ago