Period
to 22 January 2019

The following table provides summary statistics for permanent job vacancies advertised in Central London with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 6 months to 22 January 2019 with a comparison to the same period in the previous 2 years.

Linux
London > Central London
6 months to
22 Jan 2019
Same period 2018 Same period 2017
Rank 19 16 13
Rank change year-on-year -3 -3 +3
Permanent jobs citing Linux 1,350 1,483 1,553
As % of all permanent IT jobs advertised in Central London 10.40% 10.21% 12.21%
As % of the Operating Systems category 44.02% 44.39% 48.10%
Number of salaries quoted 1,174 1,317 1,386
Central London median annual salary £70,000 £62,500 £60,000
Median salary % change year-on-year +12.00% +4.17% -
10th Percentile £40,000 £37,000 £36,250
90th Percentile £96,250 £92,500 £101,250
London median annual salary £65,000 £60,000 £60,000
% change year-on-year +8.33% - +4.35%

Linux is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Central London with a requirement for operating system skills.

All Operating Systems
Central London
Permanent vacancies with a requirement for operating system skills 3,067 3,341 3,229
As % of all permanent IT jobs advertised in Central London 23.62% 22.99% 25.38%
Number of salaries quoted 2,686 2,996 2,902
Central London median annual salary £60,000 £55,000 £55,000
Median salary % change year-on-year +9.09% - +4.76%
10th Percentile £29,625 £31,250 £29,025
90th Percentile £93,750 £85,000 £90,000
London median annual salary £60,000 £55,000 £55,000
% change year-on-year +9.09% - +4.76%

Linux
Job Vacancy Trend in Central London

Job postings citing Linux as a percentage of all IT jobs advertised in Central London.

Job vacancy trend for Linux in Central London

Linux
Salary Trend in Central London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Linux in Central London.

Salary trend for Linux in Central London

Linux
Salary Histogram in Central London

The salary distribution of IT jobs citing Linux in Central London over the 6 months to 22 January 2019.

Salary histogram for Linux in Central London

Linux
Job Locations in Central London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the Central London region over the 6 months to 22 January 2019. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London -2 1,046 £70,000 +12.00% 293
City of Westminster +19 62 £77,500 +3.33% 8
West End of London +7 34 £55,000 +12.24% 1
Camden -5 11 £40,000 -23.81%
Southwark +3 8 £50,000 -11.11% 1
Lambeth - 4 - -
Kensington and Chelsea -5 1 - -
Linux
London

For the 6 months to 22 January 2019, IT jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Central London region with a requirement for Linux.

1 542 (40.15%) Python
2 457 (33.85%) Finance
3 455 (33.70%) DevOps
4 445 (32.96%) Amazon AWS
5 379 (28.07%) Java
6 367 (27.19%) Windows
7 346 (25.63%) Docker
8 313 (23.19%) SQL
9 271 (20.07%) Ansible
10 249 (18.44%) Bash Shell
11 248 (18.37%) Kubernetes
12 247 (18.30%) Unix
13 234 (17.33%) Agile Software Development
14 219 (16.22%) Puppet
15 216 (16.00%) Git (software)
16 210 (15.56%) Jenkins
17 208 (15.41%) Microsoft Azure
18 202 (14.96%) JavaScript
19 192 (14.22%) Opscode Chef
20 188 (13.93%) Red Hat
21 177 (13.11%) C++
22 169 (12.52%) Configuration Management
23 163 (12.07%) Software Engineering
24 161 (11.93%) Degree
25 153 (11.33%) Open Source
26 143 (10.59%) Red Hat Enterprise Linux
27 142 (10.52%) Oracle
28 140 (10.37%) MySQL
29 137 (10.15%) VMware
30 134 (9.93%) Terraform

Linux
Co-occurring IT Skills in Central 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 88 (6.52%) Apache
2 80 (5.93%) Elasticsearch
3 58 (4.30%) Tomcat
4 53 (3.93%) nginx
5 46 (3.41%) Apache Spark
6 34 (2.52%) OpenStack
7 33 (2.44%) CMS
8 32 (2.37%) SharePoint
9 25 (1.85%) IIS
10 21 (1.56%) Confluence
11 19 (1.41%) WebSphere
12 12 (0.89%) Drupal
13 11 (0.81%) MS Exchange
14 10 (0.74%) Adobe Experience Manager
14 10 (0.74%) WordPress
15 8 (0.59%) JBoss
16 6 (0.44%) Apache Solr
16 6 (0.44%) Ethereum
17 5 (0.37%) Gunicorn
17 5 (0.37%) Oracle Coherence
Applications
1 26 (1.93%) Microsoft Office
2 7 (0.52%) Microsoft PowerPoint
2 7 (0.52%) MS Visio
2 7 (0.52%) Spreadsheet
3 6 (0.44%) Microsoft Excel
4 4 (0.30%) Maple
5 1 (0.074%) Adobe After Effects
5 1 (0.074%) Adobe Premiere
5 1 (0.074%) Avid Media Composer
5 1 (0.074%) Houdini
5 1 (0.074%) Maya
5 1 (0.074%) NUKE
5 1 (0.074%) Photoshop
Business Applications
1 8 (0.59%) Distributed Ledger
2 6 (0.44%) Salerio
3 2 (0.15%) Magento
3 2 (0.15%) SAP Hybris
4 1 (0.074%) BusinessWorks
4 1 (0.074%) Dynamics CRM
4 1 (0.074%) Kondor
4 1 (0.074%) Temenos T24
Cloud Services
1 445 (32.96%) Amazon AWS
2 208 (15.41%) Microsoft Azure
3 113 (8.37%) Google Cloud Platform
4 76 (5.63%) Amazon EC2
5 51 (3.78%) GitHub
6 47 (3.48%) Office 365
7 43 (3.19%) SaaS
8 40 (2.96%) Cloud Computing
9 36 (2.67%) AWS CloudFormation
10 35 (2.59%) Amazon S3
11 31 (2.30%) Amazon CloudWatch
12 28 (2.07%) AWS Lambda
13 27 (2.00%) Virtual Private Cloud
14 24 (1.78%) OpenShift
15 23 (1.70%) Azure Active Directory
16 22 (1.63%) Amazon SQS
17 21 (1.56%) IaaS
17 21 (1.56%) Serverless
18 19 (1.41%) PaaS
19 18 (1.33%) Route 53
Communications & Networking
1 120 (8.89%) Firewall
2 82 (6.07%) TCP/IP
3 59 (4.37%) DNS
4 49 (3.63%) SAN
5 35 (2.59%) WAN
6 29 (2.15%) VPN
7 26 (1.93%) LAN
8 25 (1.85%) Network Security
9 24 (1.78%) SSL
9 24 (1.78%) VLAN
9 24 (1.78%) VoIP
10 17 (1.26%) PBX
11 16 (1.19%) DHCP
12 14 (1.04%) HTTP
13 13 (0.96%) NAS
14 12 (0.89%) BIG-IP
14 12 (0.89%) Intrusion Detection
15 11 (0.81%) BGP
15 11 (0.81%) SSH
16 10 (0.74%) Internet
Database & Business Intelligence
1 140 (10.37%) MySQL
2 97 (7.19%) SQL Server
3 90 (6.67%) PostgreSQL
4 68 (5.04%) Redis
5 67 (4.96%) NoSQL
6 65 (4.81%) Relational Database
7 64 (4.74%) Big Data
8 46 (3.41%) Hadoop
9 41 (3.04%) MongoDB
10 38 (2.81%) Amazon RDS
10 38 (2.81%) Apache Cassandra
11 29 (2.15%) Blockchain
12 25 (1.85%) Data Warehouse
13 21 (1.56%) Oracle Database
14 20 (1.48%) SQL Server Integration Services
15 17 (1.26%) Apache Hive
16 14 (1.04%) Amazon DynamoDB
17 13 (0.96%) Flink
17 13 (0.96%) SQL Server Reporting Services
18 12 (0.89%) Amazon Redshift
Development Applications
1 216 (16.00%) Git (software)
2 210 (15.56%) Jenkins
3 78 (5.78%) JIRA
4 63 (4.67%) Maven
5 44 (3.26%) Gradle
6 39 (2.89%) Subversion
7 33 (2.44%) Atlassian Bamboo
7 33 (2.44%) TeamCity
8 32 (2.37%) GitLab
9 30 (2.22%) Bitbucket
10 26 (1.93%) Selenium
11 18 (1.33%) Cucumber
12 17 (1.26%) JUnit
13 16 (1.19%) Octopus Deploy
13 16 (1.19%) Sonatype Nexus
14 15 (1.11%) Team Foundation Server
15 14 (1.04%) Vagrant
16 13 (0.96%) Ant
16 13 (0.96%) Hudson
17 10 (0.74%) git-flow
General
1 457 (33.85%) Finance
2 107 (7.93%) Banking
3 60 (4.44%) Retail
4 56 (4.15%) Front Office
5 45 (3.33%) Law
6 43 (3.19%) Advertising
7 38 (2.81%) Marketing
8 33 (2.44%) Back Office
8 33 (2.44%) Games
9 31 (2.30%) Financial Institution
10 26 (1.93%) Legal
11 24 (1.78%) Telecoms
12 12 (0.89%) Publishing
13 9 (0.67%) Investment Banking
14 8 (0.59%) Automotive
15 6 (0.44%) Pharmaceutical
16 5 (0.37%) Spanish Language
17 3 (0.22%) International Banking
18 2 (0.15%) French Language
18 2 (0.15%) Retail Banking
Job Titles
1 346 (25.63%) Developer
2 281 (20.81%) DevOps Engineer
3 179 (13.26%) Java Developer
4 113 (8.37%) Linux Engineer
5 110 (8.15%) Administrator
6 90 (6.67%) Senior Developer
7 89 (6.59%) Systems Administrator
8 81 (6.00%) Linux/Unix DevOps
9 79 (5.85%) Analyst
10 70 (5.19%) Senior Java Developer
11 68 (5.04%) Infrastructure Engineer
12 66 (4.89%) Senior DevOps
13 64 (4.74%) Senior DevOps Engineer
14 63 (4.67%) Applications Support
14 63 (4.67%) Software Engineer
15 62 (4.59%) Linux Systems Administrator
16 60 (4.44%) Linux Administrator
17 57 (4.22%) C++ Developer
18 55 (4.07%) Cloud Engineer
19 54 (4.00%) Linux DevOps Engineer
Libraries, Frameworks & Software Standards
1 126 (9.33%) Spring
2 113 (8.37%) HTML
3 92 (6.81%) Web Services
4 91 (6.74%) CSS
5 87 (6.44%) RESTful
6 82 (6.07%) Node.js
7 76 (5.63%) XML
8 75 (5.56%) .NET
9 74 (5.48%) Elastic Stack
10 70 (5.19%) Kafka
11 62 (4.59%) Spring Boot
12 53 (3.93%) SOAP
13 52 (3.85%) React
14 49 (3.63%) LAMP
15 40 (2.96%) JSON
16 39 (2.89%) AngularJS
17 38 (2.81%) REST
18 37 (2.74%) Hibernate
19 36 (2.67%) RabbitMQ
20 33 (2.44%) HTML5
Miscellaneous
1 95 (7.04%) Analytical Skills
2 82 (6.07%) Fintech
3 71 (5.26%) Hedge funds
4 61 (4.52%) Greenfield Project
5 56 (4.15%) Data Centre
6 48 (3.56%) Derivative
7 41 (3.04%) Linux Command Line
8 38 (2.81%) Equities
9 36 (2.67%) Foreign Exchange (FX)
10 30 (2.22%) Management Information System
11 29 (2.15%) Algorithms
11 29 (2.15%) Self-Motivation
12 23 (1.70%) Fixed Income
12 23 (1.70%) Mobile App
13 22 (1.63%) Clustering
13 22 (1.63%) Enterprise Software
14 21 (1.56%) Data Structures
14 21 (1.56%) Public Cloud
15 20 (1.48%) Virtual Team
16 19 (1.41%) User Experience
Operating Systems
1 367 (27.19%) Windows
2 247 (18.30%) Unix
3 143 (10.59%) Red Hat Enterprise Linux
4 94 (6.96%) CentOS
5 83 (6.15%) Windows Server
6 78 (5.78%) Ubuntu
7 45 (3.33%) Solaris
8 44 (3.26%) Debian
9 33 (2.44%) Windows 10
10 26 (1.93%) Android
10 26 (1.93%) Windows Server 2008
11 23 (1.70%) Windows Server 2012
12 19 (1.41%) Apple iOS
13 18 (1.33%) Windows 7
14 15 (1.11%) CoreOS
14 15 (1.11%) Mac OS
15 14 (1.04%) AIX
16 11 (0.81%) HPUX
16 11 (0.81%) Windows 8
16 11 (0.81%) Windows Server 2003
Processes & Methodologies
1 455 (33.70%) DevOps
2 234 (17.33%) Agile Software Development
3 169 (12.52%) Configuration Management
4 163 (12.07%) Software Engineering
5 153 (11.33%) Open Source
6 116 (8.59%) Cybersecurity
7 113 (8.37%) Microservices
8 108 (8.00%) Continuous Integration
9 104 (7.70%) Computer Science
10 100 (7.41%) Infrastructure Engineering
11 87 (6.44%) TDD
12 82 (6.07%) Problem-Solving
13 73 (5.41%) Information Security
14 72 (5.33%) Test Automation
15 71 (5.26%) Analytics
16 65 (4.81%) Migration
17 62 (4.59%) Mathematics
18 59 (4.37%) Scrum
19 56 (4.15%) Continuous Delivery
20 54 (4.00%) Low Latency
Programming Languages
1 542 (40.15%) Python
2 379 (28.07%) Java
3 313 (23.19%) SQL
4 249 (18.44%) Bash Shell
5 202 (14.96%) JavaScript
6 177 (13.11%) C++
7 117 (8.67%) Perl
8 116 (8.59%) Ruby
9 110 (8.15%) PowerShell
10 106 (7.85%) PHP
11 83 (6.15%) C#
12 77 (5.70%) Shell Script
13 48 (3.56%) Java 8
14 45 (3.33%) C
15 33 (2.44%) Scala
16 32 (2.37%) Groovy
17 31 (2.30%) Go
18 26 (1.93%) PL/SQL
19 16 (1.19%) Korn
20 13 (0.96%) ES6
Qualifications
1 161 (11.93%) Degree
2 66 (4.89%) Computer Science Degree
3 39 (2.89%) CISSP
4 33 (2.44%) Security Cleared
5 26 (1.93%) CISM
6 22 (1.63%) Numerate Degree
7 18 (1.33%) Microsoft Certification
8 17 (1.26%) CREST Certified
8 17 (1.26%) RHCE
9 16 (1.19%) AWS Certification
9 16 (1.19%) Cisco Certification
10 15 (1.11%) SC Cleared
11 13 (0.96%) CCNA
11 13 (0.96%) PhD
12 12 (0.89%) RHCSA
13 11 (0.81%) MCSA
13 11 (0.81%) MCSE
14 10 (0.74%) GIAC
15 9 (0.67%) DV Cleared
16 7 (0.52%) CEH
Quality Assurance & Compliance
1 59 (4.37%) QA
2 27 (2.00%) MiFID
3 25 (1.85%) GDPR
4 22 (1.63%) ISO/IEC 27001
5 13 (0.96%) SLA
6 7 (0.52%) ISO 20022
6 7 (0.52%) SEPA
7 5 (0.37%) Data Quality
7 5 (0.37%) PCI DSS
8 3 (0.22%) SSAE 16
9 2 (0.15%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
10 1 (0.074%) COBIT
System Software
1 346 (25.63%) Docker
2 106 (7.85%) VMware Infrastructure
3 104 (7.70%) Active Directory
4 25 (1.85%) VMware ESXi
5 23 (1.70%) Hyper-V
6 22 (1.63%) vSphere
7 20 (1.48%) Snort
8 16 (1.19%) Apache ZooKeeper
8 16 (1.19%) HDFS
9 15 (1.11%) Virtual Machines
10 14 (1.04%) iptables
11 13 (0.96%) KVM
12 7 (0.52%) XenApp
13 6 (0.44%) Varnish
13 6 (0.44%) VirtualBox
13 6 (0.44%) Xen
14 5 (0.37%) NFS
14 5 (0.37%) XenServer
15 4 (0.30%) Firmware
16 3 (0.22%) Veritas Cluster Server
Systems Management
1 271 (20.07%) Ansible
2 248 (18.37%) Kubernetes
3 219 (16.22%) Puppet
4 192 (14.22%) Opscode Chef
5 134 (9.93%) Terraform
6 38 (2.81%) Docker Swarm
6 38 (2.81%) Salt
7 36 (2.67%) Nagios
8 26 (1.93%) Mesos
9 25 (1.85%) HAProxy
10 24 (1.78%) Prometheus
11 23 (1.70%) Kibana
12 20 (1.48%) logstash
13 19 (1.41%) Grafana
13 19 (1.41%) OSSEC
13 19 (1.41%) vCenter Server
13 19 (1.41%) ZABBIX
14 18 (1.33%) Packer
15 13 (0.96%) vRealize
16 12 (0.89%) SCOM
Vendors
1 188 (13.93%) Red Hat
2 142 (10.52%) Oracle
3 137 (10.15%) VMware
4 128 (9.48%) Microsoft
5 89 (6.59%) Google
6 60 (4.44%) Cisco
7 37 (2.74%) Sybase
8 36 (2.67%) HP
8 36 (2.67%) Splunk
9 34 (2.52%) Citrix
9 34 (2.52%) NetApp
10 21 (1.56%) Rackspace
11 20 (1.48%) IBM
12 17 (1.26%) Sun
12 17 (1.26%) Veritas
13 16 (1.19%) Palo Alto
14 15 (1.11%) F5
15 13 (0.96%) EMC
15 13 (0.96%) Juniper
16 12 (0.89%) Remedy