Period
to 18 November 2018

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 18 November 2018 with a comparison to the same period in the previous 2 years.

Linux
London > Central London
6 months to
18 Nov 2018
Same period 2017 Same period 2016
Rank 20 15 14
Rank change year-on-year -5 -1 +2
Permanent jobs citing Linux 1,479 1,478 1,758
As % of all permanent IT jobs advertised in Central London 10.62% 10.79% 12.21%
As % of the Operating Systems category 45.08% 45.18% 47.21%
Number of salaries quoted 1,317 1,331 1,578
Central London median annual salary £67,500 £60,000 £60,000
Median salary % change year-on-year +12.50% - +4.35%
10th Percentile £42,500 £36,250 £36,250
90th Percentile £95,000 £92,500 £95,000
London median annual salary £65,000 £60,000 £57,500
% 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 3,281 3,271 3,724
As % of all permanent IT jobs advertised in Central London 23.56% 23.88% 25.87%
Number of salaries quoted 2,902 2,920 3,326
Central London median annual salary £58,875 £55,000 £55,000
Median salary % change year-on-year +7.05% - +4.76%
10th Percentile £28,500 £30,738 £30,000
90th Percentile £92,375 £85,000 £85,000
London median annual salary £58,000 £55,000 £55,000
% change year-on-year +5.45% - +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 18 November 2018.

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 18 November 2018. 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 -3 1,173 £70,000 +13.82% 281
West End of London -15 44 £55,000 +22.22% 67
City of Westminster +14 41 £65,000 -13.33% 1
Camden +11 12 £40,000 -33.33%
Southwark +6 9 £50,000 -9.09%
Lambeth +3 4 - -
Linux
London

For the 6 months to 18 November 2018, 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.

1 566 (38.27%) Python
2 521 (35.23%) DevOps
3 517 (34.96%) Finance
4 451 (30.49%) Amazon AWS
5 436 (29.48%) Windows
6 410 (27.72%) Java
7 359 (24.27%) Docker
8 334 (22.58%) Ansible
9 325 (21.97%) SQL
10 306 (20.69%) Unix
11 303 (20.49%) Agile Software Development
12 284 (19.20%) Puppet
13 277 (18.73%) Bash Shell
14 254 (17.17%) Kubernetes
15 247 (16.70%) Microsoft Azure
16 234 (15.82%) Jenkins
17 227 (15.35%) Opscode Chef
18 225 (15.21%) JavaScript
19 216 (14.60%) Git (software)
20 200 (13.52%) Red Hat
21 196 (13.25%) C++
22 189 (12.78%) Configuration Management
23 187 (12.64%) Open Source
24 181 (12.24%) Degree
25 161 (10.89%) Perl
26 160 (10.82%) MySQL
26 160 (10.82%) VMware
27 155 (10.48%) Red Hat Enterprise Linux
28 152 (10.28%) Software Engineering
28 152 (10.28%) Microsoft

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
1 113 (7.64%) Apache
2 79 (5.34%) Tomcat
3 60 (4.06%) Elasticsearch
4 56 (3.79%) OpenStack
5 44 (2.97%) Apache Spark
6 41 (2.77%) nginx
7 34 (2.30%) CMS
8 32 (2.16%) SharePoint
9 19 (1.28%) MS Exchange
10 18 (1.22%) Ethereum
10 18 (1.22%) Skype for Business
10 18 (1.22%) WordPress
11 17 (1.15%) Confluence
11 17 (1.15%) WebSphere
12 16 (1.08%) Drupal
13 15 (1.01%) IIS
14 12 (0.81%) JBoss
15 10 (0.68%) Exchange Server 2013
16 6 (0.41%) Apache Solr
17 4 (0.27%) Oracle Workflow
Applications
1 23 (1.56%) Microsoft Office
2 14 (0.95%) Microsoft PowerPoint
3 13 (0.88%) Microsoft Excel
4 5 (0.34%) MS Visio
4 5 (0.34%) Spreadsheet
5 2 (0.14%) Maya
5 2 (0.14%) NUKE
5 2 (0.14%) Photoshop
6 1 (0.068%) Adobe After Effects
6 1 (0.068%) Adobe Premiere
6 1 (0.068%) Avid Media Composer
6 1 (0.068%) HipChat
6 1 (0.068%) Houdini
Business Applications
1 25 (1.69%) Distributed Ledger
2 5 (0.34%) Magento
2 5 (0.34%) Salerio
3 4 (0.27%) Dynamics CRM
4 3 (0.20%) SAP Hybris
5 1 (0.068%) Actimize
5 1 (0.068%) BusinessWorks
5 1 (0.068%) Infor M3
5 1 (0.068%) ION MarketView
5 1 (0.068%) Kondor
5 1 (0.068%) MetaTrader
Cloud Services
1 451 (30.49%) Amazon AWS
2 247 (16.70%) Microsoft Azure
3 115 (7.78%) Google Cloud Platform
4 67 (4.53%) Amazon EC2
5 66 (4.46%) GitHub
6 54 (3.65%) Office 365
6 54 (3.65%) SaaS
7 53 (3.58%) Cloud Computing
8 44 (2.97%) AWS CloudFormation
9 36 (2.43%) Amazon S3
10 27 (1.83%) Azure Active Directory
10 27 (1.83%) Virtual Private Cloud
11 23 (1.56%) IaaS
11 23 (1.56%) Serverless
12 22 (1.49%) AWS Lambda
12 22 (1.49%) OpenShift
13 17 (1.15%) PaaS
14 13 (0.88%) Amazon CloudWatch
14 13 (0.88%) Amazon ELB
15 11 (0.74%) Datadog
Communications & Networking
1 138 (9.33%) Firewall
2 108 (7.30%) TCP/IP
3 69 (4.67%) DNS
4 64 (4.33%) SAN
5 45 (3.04%) WAN
6 41 (2.77%) VPN
7 40 (2.70%) LAN
8 34 (2.30%) Network Security
9 31 (2.10%) HTTP
10 26 (1.76%) DHCP
11 24 (1.62%) SSH
12 21 (1.42%) Internet
13 20 (1.35%) VLAN
14 19 (1.28%) VoIP
15 17 (1.15%) Skype
15 17 (1.15%) SSL
16 15 (1.01%) BGP
16 15 (1.01%) Intrusion Detection
17 13 (0.88%) SMTP
18 12 (0.81%) Wireless
Database & Business Intelligence
1 160 (10.82%) MySQL
2 118 (7.98%) SQL Server
3 93 (6.29%) PostgreSQL
4 80 (5.41%) Relational Database
5 70 (4.73%) Big Data
5 70 (4.73%) NoSQL
6 54 (3.65%) Blockchain
7 51 (3.45%) Redis
8 47 (3.18%) Hadoop
9 42 (2.84%) Apache Cassandra
10 40 (2.70%) MongoDB
11 28 (1.89%) Amazon RDS
12 21 (1.42%) Apache Hive
13 18 (1.22%) SQL Server Integration Services
14 16 (1.08%) Data Warehouse
14 16 (1.08%) RDBMS
15 13 (0.88%) Amazon DynamoDB
15 13 (0.88%) Oracle Database
16 12 (0.81%) InfluxDB
16 12 (0.81%) MariaDB
Development Applications
1 234 (15.82%) Jenkins
2 216 (14.60%) Git (software)
3 78 (5.27%) JIRA
4 72 (4.87%) Maven
5 51 (3.45%) Subversion
6 42 (2.84%) GitLab
7 36 (2.43%) Gradle
8 34 (2.30%) Atlassian Bamboo
8 34 (2.30%) TeamCity
9 32 (2.16%) Bitbucket
9 32 (2.16%) Selenium
10 22 (1.49%) JUnit
11 21 (1.42%) Cucumber
12 19 (1.28%) CircleCI
13 18 (1.22%) Octopus Deploy
14 16 (1.08%) Travis CI
15 15 (1.01%) Team Foundation Server
16 14 (0.95%) Ant
16 14 (0.95%) Sonatype Nexus
17 12 (0.81%) Hudson
General
1 517 (34.96%) Finance
2 136 (9.20%) Banking
3 58 (3.92%) Advertising
4 51 (3.45%) Law
5 49 (3.31%) Retail
6 47 (3.18%) Front Office
7 46 (3.11%) Marketing
8 43 (2.91%) Financial Institution
9 38 (2.57%) Legal
10 34 (2.30%) Telecoms
11 33 (2.23%) Investment Banking
12 28 (1.89%) Games
13 27 (1.83%) Back Office
14 12 (0.81%) Publishing
15 7 (0.47%) French Language
15 7 (0.47%) Spanish Language
16 4 (0.27%) Pharmaceutical
17 3 (0.20%) German Language
17 3 (0.20%) International Banking
17 3 (0.20%) Retail Banking
Job Titles
1 374 (25.29%) Developer
2 317 (21.43%) DevOps Engineer
3 160 (10.82%) Java Developer
4 136 (9.20%) Linux Engineer
5 131 (8.86%) Administrator
6 115 (7.78%) Systems Administrator
7 95 (6.42%) Analyst
8 89 (6.02%) Senior Developer
9 86 (5.81%) Infrastructure Engineer
10 83 (5.61%) Linux/Unix DevOps
11 76 (5.14%) Linux Systems Administrator
12 75 (5.07%) Linux Administrator
13 69 (4.67%) Systems Engineer
14 67 (4.53%) C++ Developer
15 64 (4.33%) Linux DevOps Engineer
16 59 (3.99%) Senior DevOps
17 56 (3.79%) Senior DevOps Engineer
18 54 (3.65%) AWS Engineer
19 51 (3.45%) Cloud Engineer
19 51 (3.45%) Support Engineer
Libraries, Frameworks & Software Standards
1 123 (8.32%) HTML
1 123 (8.32%) Spring
2 113 (7.64%) CSS
3 96 (6.49%) Web Services
4 85 (5.75%) XML
5 79 (5.34%) Elastic Stack
6 76 (5.14%) Node.js
7 73 (4.94%) .NET
8 70 (4.73%) Kafka
8 70 (4.73%) LAMP
8 70 (4.73%) RESTful
9 60 (4.06%) Spring Boot
10 57 (3.85%) JSON
11 52 (3.52%) REST
12 51 (3.45%) Hibernate
13 49 (3.31%) SOAP
14 47 (3.18%) HTML5
15 44 (2.97%) React
16 43 (2.91%) jQuery
17 40 (2.70%) AngularJS
Miscellaneous
1 136 (9.20%) Computer Science
2 116 (7.84%) Fintech
3 101 (6.83%) Analytical Skills
4 78 (5.27%) Data Centre
5 71 (4.80%) Hedge funds
6 59 (3.99%) Linux Command Line
7 46 (3.11%) Greenfield Project
8 41 (2.77%) Derivative
9 38 (2.57%) Foreign Exchange (FX)
10 34 (2.30%) Management Information System
11 32 (2.16%) Algorithms
12 31 (2.10%) Fixed Income
13 30 (2.03%) Enterprise Software
14 29 (1.96%) Self-Motivation
15 26 (1.76%) User Experience
16 25 (1.69%) Mobile App
17 24 (1.62%) Equities
18 22 (1.49%) Public Cloud
18 22 (1.49%) Virtual Team
19 21 (1.42%) Clustering
Operating Systems
1 436 (29.48%) Windows
2 306 (20.69%) Unix
3 155 (10.48%) Red Hat Enterprise Linux
4 129 (8.72%) Windows Server
5 97 (6.56%) CentOS
6 69 (4.67%) Ubuntu
7 50 (3.38%) Solaris
8 35 (2.37%) Debian
9 29 (1.96%) Windows Server 2008
9 29 (1.96%) Windows Server 2012
10 26 (1.76%) Windows 10
11 24 (1.62%) Android
12 23 (1.56%) AIX
13 19 (1.28%) HPUX
14 17 (1.15%) Mac OS X
15 15 (1.01%) Apple iOS
16 11 (0.74%) Amazon Linux
16 11 (0.74%) Mac OS
16 11 (0.74%) Windows 7
17 9 (0.61%) openSUSE
Processes & Methodologies
1 521 (35.23%) DevOps
2 303 (20.49%) Agile Software Development
3 189 (12.78%) Configuration Management
4 187 (12.64%) Open Source
5 152 (10.28%) Software Engineering
6 134 (9.06%) Problem-Solving
7 130 (8.79%) Cybersecurity
8 121 (8.18%) TDD
9 119 (8.05%) Microservices
10 115 (7.78%) Continuous Integration
11 113 (7.64%) Infrastructure Engineering
12 98 (6.63%) Test Automation
13 90 (6.09%) Information Security
14 79 (5.34%) Scrum
15 71 (4.80%) Analytics
16 68 (4.60%) ITIL
17 64 (4.33%) High Availability
18 62 (4.19%) Continuous Delivery
18 62 (4.19%) Low Latency
18 62 (4.19%) Migration
Programming Languages
1 566 (38.27%) Python
2 410 (27.72%) Java
3 325 (21.97%) SQL
4 277 (18.73%) Bash Shell
5 225 (15.21%) JavaScript
6 196 (13.25%) C++
7 161 (10.89%) Perl
8 148 (10.01%) PowerShell
9 146 (9.87%) Ruby
10 129 (8.72%) PHP
11 102 (6.90%) Shell Script
12 89 (6.02%) C#
13 68 (4.60%) C
14 53 (3.58%) Java 8
15 40 (2.70%) Scala
16 38 (2.57%) Go
17 28 (1.89%) ES6
18 26 (1.76%) Korn
18 26 (1.76%) PL/SQL
19 21 (1.42%) Groovy
Qualifications
1 181 (12.24%) Degree
2 66 (4.46%) Computer Science Degree
3 61 (4.12%) CISSP
4 43 (2.91%) CISM
5 27 (1.83%) Security Cleared
6 25 (1.69%) Microsoft Certification
7 22 (1.49%) RHCE
8 20 (1.35%) MCSE
9 15 (1.01%) Numerate Degree
10 14 (0.95%) AWS Certification
10 14 (0.95%) GIAC
10 14 (0.95%) SC Cleared
11 13 (0.88%) CREST Certified
12 11 (0.74%) Cisco Certification
12 11 (0.74%) MCSA
13 10 (0.68%) CCNA
13 10 (0.68%) CEH
13 10 (0.68%) PhD
14 9 (0.61%) DV Cleared
14 9 (0.61%) RHCSA
Quality Assurance & Compliance
1 64 (4.33%) QA
2 38 (2.57%) ISO/IEC 27001
3 33 (2.23%) GDPR
4 24 (1.62%) MiFID
5 15 (1.01%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
6 13 (0.88%) SLA
7 8 (0.54%) ISO 20022
7 8 (0.54%) SEPA
8 3 (0.20%) Data Quality
8 3 (0.20%) PCI DSS
8 3 (0.20%) SSAE 16
9 1 (0.068%) COBIT
System Software
1 359 (24.27%) Docker
2 133 (8.99%) Active Directory
3 114 (7.71%) VMware Infrastructure
4 40 (2.70%) Hyper-V
5 31 (2.10%) VMware ESXi
6 29 (1.96%) Virtual Machines
7 28 (1.89%) vSphere
8 24 (1.62%) Snort
9 18 (1.22%) KVM
10 15 (1.01%) HDFS
11 14 (0.95%) Apache ZooKeeper
12 12 (0.81%) iptables
13 10 (0.68%) LXC
13 10 (0.68%) Xen
14 9 (0.61%) Virtual Servers
14 9 (0.61%) VirtualBox
14 9 (0.61%) XenServer
15 7 (0.47%) Varnish
15 7 (0.47%) Veritas Cluster Server
15 7 (0.47%) XenApp
Systems Management
1 334 (22.58%) Ansible
2 284 (19.20%) Puppet
3 254 (17.17%) Kubernetes
4 227 (15.35%) Opscode Chef
5 127 (8.59%) Terraform
6 61 (4.12%) Salt
7 48 (3.25%) Nagios
8 42 (2.84%) Docker Swarm
9 27 (1.83%) logstash
10 24 (1.62%) Mesos
11 23 (1.56%) OSSEC
12 22 (1.49%) HAProxy
12 22 (1.49%) ZABBIX
13 21 (1.42%) Prometheus
14 19 (1.28%) Kibana
15 17 (1.15%) vCenter Server
16 15 (1.01%) Grafana
16 15 (1.01%) SCCM
16 15 (1.01%) vRealize
17 14 (0.95%) Packer
Vendors
1 200 (13.52%) Red Hat
2 160 (10.82%) VMware
3 152 (10.28%) Microsoft
4 125 (8.45%) Oracle
5 109 (7.37%) Google
6 68 (4.60%) Cisco
7 50 (3.38%) Splunk
8 46 (3.11%) Citrix
9 37 (2.50%) HP
10 35 (2.37%) NetApp
11 31 (2.10%) IBM
12 23 (1.56%) EMC
13 22 (1.49%) Sybase
14 21 (1.42%) Sun
15 18 (1.22%) SaltStack
15 18 (1.22%) Veritas
16 17 (1.15%) Apple
17 15 (1.01%) EqualLogic
18 14 (0.95%) Juniper
18 14 (0.95%) Palo Alto