Period
to 5 April 2020

The following table provides summary statistics for permanent job vacancies advertised in 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 5 April 2020 with a comparison to the same period in the previous 2 years.

Linux
England > London
6 months to
5 Apr 2020
Same period 2019 Same period 2018
Rank 26 18 16
Rank change year-on-year -8 -2 -1
Permanent jobs citing Linux 4,070 6,305 7,489
As % of all permanent jobs advertised in London 8.50% 10.27% 10.72%
As % of the Operating Systems category 42.65% 45.95% 45.06%
Number of salaries quoted 3,380 5,429 6,350
Median annual salary £67,500 £65,000 £62,500
Median salary % change year-on-year +3.85% +4.00% +4.17%
10th Percentile £40,000 £37,500 £37,500
90th Percentile £100,000 £96,250 £92,500
England median annual salary £55,000 £55,000 £52,500
% change year-on-year - +4.76% +5.00%

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 London with a requirement for operating system skills.

All Operating Systems
London
Permanent vacancies with a requirement for operating system skills 9,543 13,722 16,621
As % of all permanent IT jobs advertised in London 19.92% 22.36% 23.79%
Number of salaries quoted 7,745 11,356 13,954
Median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% -
10th Percentile £30,000 £30,000 £31,250
90th Percentile £90,000 £90,000 £86,250
England median annual salary £47,500 £47,500 £47,500

Linux
Job Vacancy Trend in London

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

Job vacancy trend for Linux in London

Linux
Salary Trend in London

3-month moving average salary quoted in jobs citing Linux in London.

Salary trend for Linux in London

Linux
Salary Histogram in London

Salary distribution for jobs citing Linux in London over the 6 months to 5 April 2020.

Salary histogram for Linux in London

Linux
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the London region over the 6 months to 5 April 2020. 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
Central London 0 1,038 £70,000 - 234
West London +14 270 £57,500 +4.55% 78
South London -5 119 £65,000 +20.93% 34
East London -6 40 £65,750 +38.42% 29
North London -13 18 £55,000 -8.33% 8
Linux
England

For the 6 months to 5 April 2020, 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 London region with a requirement for Linux.

1 1,650 (40.54%) Python
2 1,498 (36.81%) AWS
3 1,431 (35.16%) DevOps
4 1,297 (31.87%) Windows
5 1,221 (30.00%) Finance
6 1,183 (29.07%) Java
7 1,145 (28.13%) Docker
8 1,114 (27.37%) Agile Software Development
9 975 (23.96%) SQL
10 879 (21.60%) Kubernetes
11 845 (20.76%) Unix
12 822 (20.20%) Ansible
13 792 (19.46%) Azure
14 733 (18.01%) Git (software)
15 665 (16.34%) Bash Shell
16 649 (15.95%) Terraform
17 599 (14.72%) Jenkins
18 561 (13.78%) JavaScript
19 560 (13.76%) Software Engineering
20 529 (13.00%) Puppet
21 470 (11.55%) Microservices
22 464 (11.40%) VMware
23 457 (11.23%) Problem-Solving
24 435 (10.69%) Fintech
25 421 (10.34%) PowerShell
26 415 (10.20%) Degree
27 414 (10.17%) Firewall
27 414 (10.17%) GCP
28 403 (9.90%) Configuration Management
29 402 (9.88%) Microsoft

Linux
Co-occurring 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
1 215 (5.28%) Apache
2 168 (4.13%) Tomcat
3 142 (3.49%) Apache Spark
4 140 (3.44%) Confluence
5 112 (2.75%) Elasticsearch
6 105 (2.58%) nginx
7 100 (2.46%) IIS
8 51 (1.25%) OpenStack
9 36 (0.88%) MS Exchange
10 31 (0.76%) SharePoint
11 30 (0.74%) JBoss
12 28 (0.69%) WebSphere
13 27 (0.66%) WebLogic
14 22 (0.54%) SAS
15 17 (0.42%) Drupal
16 16 (0.39%) MQSeries
17 14 (0.34%) CMS
18 13 (0.32%) Apache Solr
18 13 (0.32%) WordPress
19 12 (0.29%) Apache Airflow
Applications
1 52 (1.28%) Microsoft Excel
2 49 (1.20%) Microsoft Office
3 26 (0.64%) Microsoft PowerPoint
4 17 (0.42%) MS Visio
5 8 (0.20%) Gliffy
6 6 (0.15%) Photoshop
7 3 (0.074%) Acrobat
7 3 (0.074%) Adobe Illustrator
7 3 (0.074%) InDesign
7 3 (0.074%) Maya
7 3 (0.074%) NUKE
7 3 (0.074%) Spreadsheet
8 2 (0.049%) HipChat
8 2 (0.049%) Houdini
8 2 (0.049%) Mozilla Thunderbird
9 1 (0.025%) Windchill
Business Applications
1 25 (0.61%) Salerio
2 12 (0.29%) Dynamics CRM
3 10 (0.25%) Documaker
4 8 (0.20%) Markit EDM
5 7 (0.17%) Dynamics AX
6 6 (0.15%) Oracle Applications
6 6 (0.15%) R3 Corda
7 5 (0.12%) Eikon
7 5 (0.12%) Magento
7 5 (0.12%) Salesforce.com CRM
7 5 (0.12%) thinkFolio
8 4 (0.098%) Oracle BPM
8 4 (0.098%) Oracle EBS
9 3 (0.074%) Distributed Ledger
9 3 (0.074%) MetaTrader
9 3 (0.074%) Remedy ITSM
10 2 (0.049%) Elite 3E
10 2 (0.049%) Rolfe and Nolan
10 2 (0.049%) Sentinel
11 1 (0.025%) RMDS
Cloud Services
1 1,498 (36.81%) AWS
2 792 (19.46%) Azure
3 414 (10.17%) GCP
4 175 (4.30%) Office 365
5 167 (4.10%) SaaS
6 159 (3.91%) AWS CloudFormation
7 150 (3.69%) PaaS
7 150 (3.69%) Serverless
8 146 (3.59%) Amazon EC2
9 136 (3.34%) IaaS
10 135 (3.32%) Amazon S3
11 126 (3.10%) GitHub
12 106 (2.60%) AWS Lambda
13 96 (2.36%) Cloud Computing
14 91 (2.24%) Amazon CloudWatch
15 89 (2.19%) Virtual Private Cloud
16 81 (1.99%) OpenShift
17 57 (1.40%) Amazon ECS
18 50 (1.23%) Route 53
19 49 (1.20%) Amazon ELB
Communications & Networking
1 414 (10.17%) Firewall
2 347 (8.53%) TCP/IP
3 234 (5.75%) DNS
4 162 (3.98%) HTTP
5 128 (3.14%) VPN
6 127 (3.12%) SAN
7 109 (2.68%) DHCP
8 100 (2.46%) Internet
9 99 (2.43%) WAN
10 95 (2.33%) Network Security
11 93 (2.29%) LAN
12 72 (1.77%) Wireshark
13 63 (1.55%) IPsec
14 55 (1.35%) SSL
14 55 (1.35%) VoIP
15 51 (1.25%) VLAN
16 46 (1.13%) Wireless
17 43 (1.06%) Multicast
18 38 (0.93%) HTTPS
18 38 (0.93%) SSH
Database & Business Intelligence
1 348 (8.55%) MySQL
2 316 (7.76%) SQL Server
3 313 (7.69%) NoSQL
4 309 (7.59%) PostgreSQL
5 224 (5.50%) Relational Database
6 190 (4.67%) Big Data
7 182 (4.47%) MongoDB
8 141 (3.46%) Hadoop
9 139 (3.42%) Amazon RDS
10 113 (2.78%) Redis
11 99 (2.43%) RDBMS
12 93 (2.29%) Apache Cassandra
13 79 (1.94%) Oracle Database
14 73 (1.79%) Blockchain
15 35 (0.86%) Oracle Database 12c
16 34 (0.84%) Data Warehouse
17 31 (0.76%) Apache Hive
18 29 (0.71%) InfluxDB
19 28 (0.69%) Amazon DynamoDB
19 28 (0.69%) KDB
Development Applications
1 733 (18.01%) Git (software)
2 599 (14.72%) Jenkins
3 333 (8.18%) JIRA
4 113 (2.78%) GitLab
5 94 (2.31%) TeamCity
6 93 (2.29%) Bitbucket
7 89 (2.19%) Maven
8 84 (2.06%) Atlassian Bamboo
9 64 (1.57%) Octopus Deploy
10 60 (1.47%) Subversion
11 57 (1.40%) Vagrant
12 56 (1.38%) Selenium
13 52 (1.28%) Sonatype Nexus
14 44 (1.08%) Artifactory
15 40 (0.98%) git-flow
16 37 (0.91%) Gradle
17 36 (0.88%) SonarQube
18 35 (0.86%) JMeter
19 30 (0.74%) JUnit
20 27 (0.66%) LoadRunner
General
1 1,221 (30.00%) Finance
2 301 (7.40%) Banking
3 137 (3.37%) Front Office
4 127 (3.12%) Public Sector
5 117 (2.87%) Games
5 117 (2.87%) Marketing
6 110 (2.70%) Retail
7 68 (1.67%) Financial Institution
7 68 (1.67%) Telecoms
8 57 (1.40%) Back Office
9 46 (1.13%) Investment Banking
10 44 (1.08%) Law
11 36 (0.88%) Legal
12 35 (0.86%) Billing
13 22 (0.54%) International Banking
14 21 (0.52%) Advertising
15 20 (0.49%) Automotive
16 18 (0.44%) Electronics
17 15 (0.37%) Manufacturing
18 11 (0.27%) French Language
Job Titles
1 938 (23.05%) Developer
2 699 (17.17%) DevOps Engineer
3 332 (8.16%) Java Developer
4 265 (6.51%) Senior Developer
5 241 (5.92%) Analyst
6 233 (5.72%) Software Engineer
7 204 (5.01%) AWS Engineer
8 191 (4.69%) Infrastructure Engineer
9 189 (4.64%) Linux Engineer
10 173 (4.25%) Cloud Engineer
11 160 (3.93%) Applications Support
12 158 (3.88%) Support Engineer
13 153 (3.76%) Junior
14 147 (3.61%) Administrator
15 142 (3.49%) Support Analyst
16 139 (3.42%) Architect
17 134 (3.29%) Senior DevOps
18 132 (3.24%) AWS DevOps
19 127 (3.12%) Python Engineer
20 121 (2.97%) Python Developer
Libraries, Frameworks & Software Standards
1 280 (6.88%) Node.js
2 279 (6.86%) CSS
3 269 (6.61%) HTML
4 259 (6.36%) REST
5 235 (5.77%) Kafka
6 233 (5.72%) Spring
7 228 (5.60%) Web Services
8 226 (5.55%) .NET
9 207 (5.09%) RESTful
10 189 (4.64%) Elastic Stack
11 176 (4.32%) React
12 135 (3.32%) XML
13 105 (2.58%) Spring Boot
14 104 (2.56%) AngularJS
15 101 (2.48%) Django
16 94 (2.31%) Middleware
17 85 (2.09%) J2EE
18 84 (2.06%) LAMP
19 78 (1.92%) FIX Protocol
19 78 (1.92%) JSON
Miscellaneous
1 253 (6.22%) Data Centre
2 248 (6.09%) Analytical Skills
3 240 (5.90%) Public Cloud
4 227 (5.58%) Linux Command Line
5 130 (3.19%) Management Information System
6 117 (2.87%) Self-Motivation
7 109 (2.68%) Hedge funds
8 100 (2.46%) User Experience
9 96 (2.36%) Greenfield Project
10 89 (2.19%) Algorithms
10 89 (2.19%) Enterprise Software
11 87 (2.14%) Derivative
12 83 (2.04%) Data Structures
13 80 (1.97%) Fixed Income
14 78 (1.92%) Mobile App
15 61 (1.50%) Equities
16 60 (1.47%) Cloud Native
17 54 (1.33%) Hybrid Cloud
18 53 (1.30%) Private Cloud
19 49 (1.20%) Foreign Exchange (FX)
Operating Systems
1 1,297 (31.87%) Windows
2 845 (20.76%) Unix
3 277 (6.81%) CentOS
4 268 (6.58%) Windows Server
5 246 (6.04%) Red Hat Enterprise Linux
6 188 (4.62%) Ubuntu
7 173 (4.25%) Apple iOS
8 172 (4.23%) Android
9 144 (3.54%) Mac OS X
10 75 (1.84%) Windows Server 2008
11 72 (1.77%) Windows 7
12 70 (1.72%) Windows 10
12 70 (1.72%) Windows Server 2012
13 62 (1.52%) Solaris
14 61 (1.50%) Windows Server 2016
15 45 (1.11%) Debian
16 41 (1.01%) Mac OS
17 40 (0.98%) Oracle Linux
18 28 (0.69%) Fedora
19 24 (0.59%) Kali Linux
Processes & Methodologies
1 1,431 (35.16%) DevOps
2 1,114 (27.37%) Agile Software Development
3 560 (13.76%) Software Engineering
4 470 (11.55%) Microservices
5 457 (11.23%) Problem-Solving
6 435 (10.69%) Fintech
7 403 (9.90%) Configuration Management
8 386 (9.48%) TDD
9 367 (9.02%) Open Source
10 353 (8.67%) Test Automation
11 328 (8.06%) Continuous Integration
12 326 (8.01%) Infrastructure as Code
13 304 (7.47%) Infrastructure Engineering
14 302 (7.42%) Computer Science
15 263 (6.46%) Mentoring
16 242 (5.95%) Analytics
17 232 (5.70%) ITIL
18 224 (5.50%) OO
19 220 (5.41%) Site Reliability Engineering
20 217 (5.33%) Migration
Programming Languages
1 1,650 (40.54%) Python
2 1,183 (29.07%) Java
3 975 (23.96%) SQL
4 665 (16.34%) Bash Shell
5 561 (13.78%) JavaScript
6 421 (10.34%) PowerShell
7 353 (8.67%) Ruby
8 338 (8.30%) C++
9 308 (7.57%) Perl
10 306 (7.52%) C#
11 249 (6.12%) Go
12 198 (4.86%) PHP
13 180 (4.42%) C
14 164 (4.03%) Shell Script
15 160 (3.93%) Java 8
16 125 (3.07%) Scala
17 91 (2.24%) PL/SQL
18 67 (1.65%) Groovy
19 63 (1.55%) Kotlin
20 62 (1.52%) R
Qualifications
1 415 (10.20%) Degree
2 155 (3.81%) Computer Science Degree
3 146 (3.59%) Cisco Certification
4 103 (2.53%) Security Cleared
5 92 (2.26%) CISSP
6 88 (2.16%) Microsoft Certification
7 83 (2.04%) CCNA
8 71 (1.74%) CCNP
8 71 (1.74%) SC Cleared
9 64 (1.57%) CISM
10 57 (1.40%) MCSE
11 43 (1.06%) CISA
12 39 (0.96%) AWS Certification
12 39 (0.96%) MCSA
13 35 (0.86%) PhD
14 29 (0.71%) MCP
14 29 (0.71%) SANS
15 26 (0.64%) Master's Degree
15 26 (0.64%) VMware Certified Professional (VCP)
16 25 (0.61%) DV Cleared
Quality Assurance & Compliance
1 223 (5.48%) QA
2 62 (1.52%) SLA
3 51 (1.25%) PCI DSS
4 46 (1.13%) ISO/IEC 27001
5 31 (0.76%) GDPR
6 10 (0.25%) Data Quality
7 9 (0.22%) NCSC
7 9 (0.22%) Sarbanes-Oxley
8 7 (0.17%) Government Security Classifications
8 7 (0.17%) ISO/IEC 20000
9 4 (0.098%) BS25999
9 4 (0.098%) Cyber Essentials
10 3 (0.074%) NIST
11 2 (0.049%) Cyber Essentials PLUS
11 2 (0.049%) FINRA
11 2 (0.049%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
11 2 (0.049%) JTAG
12 1 (0.025%) COBIT
12 1 (0.025%) NIST 800
12 1 (0.025%) PMO
System Software
1 1,145 (28.13%) Docker
2 271 (6.66%) VMware Infrastructure
3 258 (6.34%) Active Directory
4 94 (2.31%) Hyper-V
5 85 (2.09%) vSphere
6 69 (1.70%) Virtual Machines
7 67 (1.65%) VMware ESXi
8 57 (1.40%) Apache ZooKeeper
9 41 (1.01%) XenApp
10 32 (0.79%) Virtual Servers
11 26 (0.64%) LXC
12 23 (0.57%) Xen
13 20 (0.49%) Firmware
14 17 (0.42%) HDFS
15 16 (0.39%) NFS
16 13 (0.32%) KVM
17 12 (0.29%) Kamailio
17 12 (0.29%) VMware Workstation
18 11 (0.27%) Apache Flume
19 10 (0.25%) OpenAM
Systems Management
1 879 (21.60%) Kubernetes
2 822 (20.20%) Ansible
3 649 (15.95%) Terraform
4 529 (13.00%) Puppet
5 339 (8.33%) Opscode Chef
6 109 (2.68%) Nagios
7 108 (2.65%) Grafana
8 105 (2.58%) Packer
9 89 (2.19%) Salt
10 88 (2.16%) Prometheus
11 78 (1.92%) Mesos
12 74 (1.82%) Nessus
13 61 (1.50%) SCCM
14 50 (1.23%) Marathon
15 48 (1.18%) Consul
16 47 (1.15%) ZABBIX
17 46 (1.13%) Docker Swarm
18 29 (0.71%) Icinga
19 26 (0.64%) Tivoli
20 24 (0.59%) Oracle Enterprise Manager
Vendors
1 464 (11.40%) VMware
2 402 (9.88%) Microsoft
3 368 (9.04%) Oracle
4 356 (8.75%) Red Hat
5 217 (5.33%) Cisco
6 196 (4.82%) Google
7 136 (3.34%) Splunk
8 95 (2.33%) Atlassian
9 91 (2.24%) HP
9 91 (2.24%) IBM
10 83 (2.04%) Citrix
11 70 (1.72%) Dell
12 69 (1.70%) ServiceNow
13 66 (1.62%) Sun
14 54 (1.33%) NetApp
14 54 (1.33%) Qualys
15 52 (1.28%) F5
16 49 (1.20%) Juniper
17 48 (1.18%) CyberArk
18 45 (1.11%) Sybase