Period
to 23 September 2019

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 23 September 2019 with a comparison to the same period in the previous 2 years.

Linux
England > London
6 months to
23 Sep 2019
Same period 2018 Same period 2017
Rank 20 19 15
Rank change year-on-year -1 -4 +1
Permanent jobs citing Linux 5,249 7,135 8,816
As % of all permanent IT jobs advertised in London 9.46% 10.50% 11.83%
As % of the Operating Systems category 43.61% 46.32% 46.74%
Number of salaries quoted 4,229 5,823 6,817
London median annual salary £67,500 £65,000 £60,000
Median salary % change year-on-year +3.85% +8.33% +4.35%
10th Percentile £38,750 £41,250 £35,000
90th Percentile £105,000 £95,000 £90,000
England median annual salary £55,000 £54,000 £50,000
% change year-on-year +1.85% +8.00% -

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 12,037 15,405 18,863
As % of all permanent IT jobs advertised in London 21.69% 22.66% 25.32%
Number of salaries quoted 9,909 12,693 14,590
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% -
10th Percentile £29,000 £30,000 £30,000
90th Percentile £92,500 £88,950 £83,750
England median annual salary £47,500 £47,500 £45,000
% change year-on-year - +5.56% -

Linux
Job Vacancy Trend in London

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

Job vacancy trend for Linux in London

Linux
Salary Trend in London

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

Salary trend for Linux in London

Linux
Salary Histogram in London

The salary distribution of IT jobs citing Linux in London over the 6 months to 23 September 2019.

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 23 September 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
Central London +1 1,228 £70,000 +7.69% 335
South London +2 189 £60,000 +4.35% 43
West London -10 189 £60,000 +9.09% 97
East London +4 89 £65,000 +23.81% 48
North London +5 34 £55,000 +22.22% 17
Linux
England

For the 6 months to 23 September 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 London region with a requirement for Linux.

1 2,238 (42.64%) Python
2 2,059 (39.23%) AWS
3 1,925 (36.67%) DevOps
4 1,683 (32.06%) Windows
5 1,615 (30.77%) Docker
6 1,468 (27.97%) Finance
7 1,444 (27.51%) Agile Software Development
8 1,402 (26.71%) Java
9 1,251 (23.83%) Ansible
10 1,146 (21.83%) Unix
11 1,097 (20.90%) Kubernetes
12 1,096 (20.88%) SQL
13 1,029 (19.60%) Azure
14 963 (18.35%) Bash Shell
15 961 (18.31%) Puppet
16 917 (17.47%) Terraform
17 829 (15.79%) Jenkins
18 791 (15.07%) Opscode Chef
19 741 (14.12%) Git (software)
20 702 (13.37%) GCP
21 646 (12.31%) Degree
22 613 (11.68%) JavaScript
23 594 (11.32%) Software Engineering
24 561 (10.69%) Problem-Solving
25 543 (10.34%) Configuration Management
26 531 (10.12%) Continuous Integration
27 526 (10.02%) Oracle
28 523 (9.96%) C++
29 511 (9.74%) PowerShell
30 508 (9.68%) Fintech

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
1 328 (6.25%) Apache
2 257 (4.90%) Apache Spark
3 204 (3.89%) Elasticsearch
4 149 (2.84%) Tomcat
5 146 (2.78%) nginx
6 138 (2.63%) Confluence
7 127 (2.42%) IIS
8 95 (1.81%) OpenStack
9 77 (1.47%) SharePoint
10 61 (1.16%) MS Exchange
11 56 (1.07%) WebSphere
12 52 (0.99%) JBoss
13 36 (0.69%) WebLogic
14 34 (0.65%) CMS
15 29 (0.55%) Apache Airflow
16 27 (0.51%) WordPress
17 20 (0.38%) Drupal
17 20 (0.38%) Exchange Server 2010
18 16 (0.30%) Apache Pig
19 14 (0.27%) Cloud Foundry
Applications
1 88 (1.68%) Microsoft Office
2 18 (0.34%) Microsoft Excel
3 11 (0.21%) NUKE
4 10 (0.19%) MS Visio
5 9 (0.17%) Microsoft PowerPoint
6 7 (0.13%) Maya
7 6 (0.11%) Adobe Creative Suite
7 6 (0.11%) CINEMA 4D
7 6 (0.11%) MODO
8 4 (0.076%) Chatbot
8 4 (0.076%) Photoshop
8 4 (0.076%) Spreadsheet
9 2 (0.038%) Sketch
10 1 (0.019%) Adobe Illustrator
10 1 (0.019%) Adobe Premiere
10 1 (0.019%) Autodesk Smoke
10 1 (0.019%) InDesign
10 1 (0.019%) LaTeX
10 1 (0.019%) Microsoft Project
10 1 (0.019%) Windchill
Business Applications
1 24 (0.46%) Dynamics CRM
2 14 (0.27%) Oracle ERP
3 13 (0.25%) Oracle EBS
4 10 (0.19%) Distributed Ledger
5 9 (0.17%) Magento
5 9 (0.17%) Shopify
6 8 (0.15%) R3 Corda
7 7 (0.13%) Dynamics AX
7 7 (0.13%) Q-Pulse
7 7 (0.13%) Sage CRM
7 7 (0.13%) Salesforce.com CRM
7 7 (0.13%) SAP Hybris
8 6 (0.11%) Eikon
9 5 (0.095%) PeopleSoft Financials
10 4 (0.076%) Markit EDM
11 3 (0.057%) Oracle Applications
11 3 (0.057%) Payment Gateway
11 3 (0.057%) SAP BPC
11 3 (0.057%) SAP Business One
11 3 (0.057%) SAP Oil and Gas
Cloud Services
1 2,059 (39.23%) AWS
2 1,029 (19.60%) Azure
3 702 (13.37%) GCP
4 261 (4.97%) AWS CloudFormation
5 243 (4.63%) SaaS
6 218 (4.15%) Amazon EC2
7 193 (3.68%) Serverless
8 188 (3.58%) Office 365
9 173 (3.30%) Amazon S3
10 161 (3.07%) AWS Lambda
11 147 (2.80%) GitHub
12 138 (2.63%) IaaS
13 132 (2.51%) Cloud Computing
14 115 (2.19%) PaaS
15 107 (2.04%) Amazon CloudWatch
15 107 (2.04%) Amazon ECS
15 107 (2.04%) Virtual Private Cloud
16 80 (1.52%) OpenShift
17 72 (1.37%) Amazon SQS
18 53 (1.01%) Route 53
Communications & Networking
1 453 (8.63%) Firewall
2 324 (6.17%) TCP/IP
3 273 (5.20%) DNS
4 169 (3.22%) HTTP
5 159 (3.03%) VPN
6 146 (2.78%) SAN
7 140 (2.67%) LAN
8 138 (2.63%) DHCP
9 133 (2.53%) WAN
10 127 (2.42%) Network Security
11 100 (1.91%) Internet
12 69 (1.31%) Intrusion Detection
12 69 (1.31%) VoIP
13 64 (1.22%) Wireless
14 54 (1.03%) SSL
15 47 (0.90%) NAS
16 44 (0.84%) BGP
17 43 (0.82%) Wireshark
18 41 (0.78%) FTP
19 39 (0.74%) OSPF
Database & Business Intelligence
1 499 (9.51%) MySQL
2 398 (7.58%) SQL Server
3 352 (6.71%) Big Data
3 352 (6.71%) PostgreSQL
4 262 (4.99%) NoSQL
5 250 (4.76%) Relational Database
6 215 (4.10%) Hadoop
7 182 (3.47%) MongoDB
8 160 (3.05%) Amazon RDS
9 152 (2.90%) Oracle Database
10 131 (2.50%) Apache Hive
11 125 (2.38%) Apache Cassandra
12 113 (2.15%) Redis
13 90 (1.71%) Blockchain
14 84 (1.60%) RDBMS
15 80 (1.52%) Amazon DynamoDB
16 56 (1.07%) SQL Server 2012
17 54 (1.03%) Data Warehouse
18 45 (0.86%) Oracle Database 12c
19 38 (0.72%) Spark SQL
Development Applications
1 829 (15.79%) Jenkins
2 741 (14.12%) Git (software)
3 360 (6.86%) JIRA
4 208 (3.96%) TeamCity
5 179 (3.41%) Octopus Deploy
6 168 (3.20%) Atlassian Bamboo
7 129 (2.46%) Selenium
8 128 (2.44%) Subversion
9 123 (2.34%) Team Foundation Server
10 122 (2.32%) Bitbucket
11 112 (2.13%) GitLab
12 106 (2.02%) Travis CI
13 93 (1.77%) Maven
14 76 (1.45%) JMeter
14 76 (1.45%) Vagrant
15 66 (1.26%) IBM UrbanCode
16 63 (1.20%) Cucumber
16 63 (1.20%) GoCD
17 52 (0.99%) LoadRunner
18 51 (0.97%) SonarQube
General
1 1,468 (27.97%) Finance
2 465 (8.86%) Banking
3 177 (3.37%) Front Office
4 156 (2.97%) Retail
5 122 (2.32%) Games
6 115 (2.19%) Public Sector
7 110 (2.10%) Telecoms
8 95 (1.81%) Investment Banking
9 89 (1.70%) Marketing
10 75 (1.43%) Law
11 69 (1.31%) Advertising
12 59 (1.12%) Back Office
13 58 (1.10%) Financial Institution
14 45 (0.86%) Legal
15 26 (0.50%) Automotive
16 20 (0.38%) Publishing
17 10 (0.19%) Billing
18 9 (0.17%) French Language
18 9 (0.17%) Manufacturing
18 9 (0.17%) Retail Banking
Job Titles
1 1,137 (21.66%) DevOps Engineer
2 1,133 (21.59%) Developer
3 443 (8.44%) Linux Engineer
4 389 (7.41%) AWS Engineer
5 372 (7.09%) Java Developer
6 307 (5.85%) Cloud Engineer
7 296 (5.64%) AWS DevOps
8 278 (5.30%) Analyst
8 278 (5.30%) Senior DevOps
9 277 (5.28%) Administrator
10 275 (5.24%) AWS DevOps Engineer
11 245 (4.67%) Senior DevOps Engineer
12 232 (4.42%) Software Engineer
13 226 (4.31%) Linux/Unix DevOps
13 226 (4.31%) Systems Administrator
14 222 (4.23%) Python Developer
15 219 (4.17%) Senior Developer
16 216 (4.12%) Python Engineer
17 199 (3.79%) Applications Support
17 199 (3.79%) Linux DevOps Engineer
Libraries, Frameworks & Software Standards
1 357 (6.80%) Web Services
2 352 (6.71%) Node.js
3 322 (6.13%) .NET
4 278 (5.30%) Kafka
5 266 (5.07%) Elastic Stack
6 250 (4.76%) HTML
7 244 (4.65%) CSS
8 206 (3.92%) React
9 199 (3.79%) Spring
10 196 (3.73%) AngularJS
11 193 (3.68%) REST
12 170 (3.24%) LAMP
13 155 (2.95%) RESTful
14 137 (2.61%) XML
15 135 (2.57%) JSON
16 112 (2.13%) FIX Protocol
17 106 (2.02%) Spring Boot
18 98 (1.87%) Middleware
19 92 (1.75%) RabbitMQ
20 85 (1.62%) jQuery
Miscellaneous
1 344 (6.55%) Analytical Skills
2 270 (5.14%) Data Centre
3 256 (4.88%) Public Cloud
4 207 (3.94%) Linux Command Line
5 182 (3.47%) Hedge funds
6 171 (3.26%) Algorithms
7 161 (3.07%) Greenfield Project
8 157 (2.99%) Self-Motivation
9 153 (2.91%) Fixed Income
10 142 (2.71%) Management Information System
11 119 (2.27%) Equities
12 100 (1.91%) Data Structures
13 92 (1.75%) Replication
14 89 (1.70%) User Experience
15 85 (1.62%) Enterprise Software
16 84 (1.60%) Clustering
17 78 (1.49%) Derivative
18 74 (1.41%) Private Cloud
19 73 (1.39%) Foreign Exchange (FX)
20 71 (1.35%) Mobile App
Operating Systems
1 1,683 (32.06%) Windows
2 1,146 (21.83%) Unix
3 350 (6.67%) Windows Server
4 286 (5.45%) Red Hat Enterprise Linux
5 278 (5.30%) CentOS
6 214 (4.08%) Ubuntu
7 102 (1.94%) Apple iOS
7 102 (1.94%) Windows Server 2012
8 97 (1.85%) Mac OS
9 94 (1.79%) Windows 10
10 91 (1.73%) Android
11 79 (1.51%) Solaris
11 79 (1.51%) Windows Server 2008
12 70 (1.33%) Debian
13 51 (0.97%) Windows 7
14 45 (0.86%) Mac OS X
15 34 (0.65%) Mesosphere
16 33 (0.63%) CoreOS
17 29 (0.55%) Kali Linux
17 29 (0.55%) Windows 8
Processes & Methodologies
1 1,925 (36.67%) DevOps
2 1,444 (27.51%) Agile Software Development
3 594 (11.32%) Software Engineering
4 561 (10.69%) Problem-Solving
5 543 (10.34%) Configuration Management
6 531 (10.12%) Continuous Integration
7 508 (9.68%) Fintech
8 482 (9.18%) Computer Science
9 465 (8.86%) Microservices
10 457 (8.71%) Infrastructure as Code
11 444 (8.46%) Open Source
12 433 (8.25%) Test Automation
13 412 (7.85%) Scrum
14 360 (6.86%) Cybersecurity
15 351 (6.69%) Analytics
16 344 (6.55%) ITIL
17 300 (5.72%) Migration
17 300 (5.72%) TDD
18 297 (5.66%) Infrastructure Engineering
19 292 (5.56%) Continuous Delivery
Programming Languages
1 2,238 (42.64%) Python
2 1,402 (26.71%) Java
3 1,096 (20.88%) SQL
4 963 (18.35%) Bash Shell
5 613 (11.68%) JavaScript
6 523 (9.96%) C++
7 511 (9.74%) PowerShell
8 456 (8.69%) Ruby
9 405 (7.72%) C#
10 333 (6.34%) Perl
11 312 (5.94%) Go
12 310 (5.91%) PHP
13 274 (5.22%) Shell Script
14 199 (3.79%) Scala
15 176 (3.35%) C
16 95 (1.81%) Java 8
17 87 (1.66%) TypeScript
18 85 (1.62%) PL/SQL
19 64 (1.22%) Groovy
20 57 (1.09%) R
Qualifications
1 646 (12.31%) Degree
2 244 (4.65%) Computer Science Degree
3 145 (2.76%) Cisco Certification
3 145 (2.76%) Security Cleared
4 114 (2.17%) CCNA
5 111 (2.11%) Microsoft Certification
6 103 (1.96%) CISSP
7 80 (1.52%) AWS Certification
8 75 (1.43%) MCSE
9 62 (1.18%) SC Cleared
10 60 (1.14%) CCNP
11 58 (1.10%) CISA
12 50 (0.95%) Master's Degree
13 49 (0.93%) CISM
14 44 (0.84%) RHCE
15 37 (0.70%) DV Cleared
16 33 (0.63%) GIAC
16 33 (0.63%) SANS
17 32 (0.61%) JNCIP
18 26 (0.50%) PhD
Quality Assurance & Compliance
1 463 (8.82%) QA
2 73 (1.39%) ISO/IEC 27001
3 71 (1.35%) SLA
4 58 (1.10%) GDPR
5 40 (0.76%) Data Quality
6 25 (0.48%) PCI DSS
7 14 (0.27%) MiFID
8 13 (0.25%) IFRS
9 12 (0.23%) ISO/IEC 20000
10 10 (0.19%) COBIT
11 6 (0.11%) NIST
12 3 (0.057%) EMIR
12 3 (0.057%) HL7
12 3 (0.057%) ISAE 3402
13 1 (0.019%) Cyber Essentials
13 1 (0.019%) Dodd-Frank
13 1 (0.019%) IEC 62304
13 1 (0.019%) NIST 800
13 1 (0.019%) PSD2
13 1 (0.019%) Solvency II
System Software
1 1,615 (30.77%) Docker
2 360 (6.86%) Active Directory
3 239 (4.55%) VMware Infrastructure
4 104 (1.98%) Hyper-V
5 95 (1.81%) vSphere
6 69 (1.31%) Virtual Machines
7 51 (0.97%) HDFS
7 51 (0.97%) VMware ESXi
8 42 (0.80%) XenApp
9 41 (0.78%) KVM
10 34 (0.65%) Firmware
10 34 (0.65%) NFS
10 34 (0.65%) Varnish
11 32 (0.61%) Apache ZooKeeper
12 24 (0.46%) Oracle RAC
13 23 (0.44%) Virtual Servers
13 23 (0.44%) Xen
14 21 (0.40%) Apache Flume
15 20 (0.38%) BIND 9
16 15 (0.29%) iptables
Systems Management
1 1,251 (23.83%) Ansible
2 1,097 (20.90%) Kubernetes
3 961 (18.31%) Puppet
4 917 (17.47%) Terraform
5 791 (15.07%) Opscode Chef
6 162 (3.09%) Nagios
7 149 (2.84%) Prometheus
8 148 (2.82%) Packer
9 140 (2.67%) Salt
10 125 (2.38%) Consul
11 120 (2.29%) Grafana
12 89 (1.70%) Nessus
13 81 (1.54%) Docker Swarm
14 80 (1.52%) SCCM
15 67 (1.28%) ZABBIX
16 66 (1.26%) Kibana
17 60 (1.14%) Rancher
18 58 (1.10%) Automic
19 54 (1.03%) Graphite
20 51 (0.97%) Hadoop YARN
Vendors
1 526 (10.02%) Oracle
2 497 (9.47%) Microsoft
3 468 (8.92%) VMware
4 437 (8.33%) Red Hat
5 396 (7.54%) Google
6 239 (4.55%) Cisco
7 230 (4.38%) Splunk
8 156 (2.97%) IBM
9 127 (2.42%) Citrix
10 105 (2.00%) HP
11 101 (1.92%) ServiceNow
12 99 (1.89%) AppDynamics
13 76 (1.45%) Apple
14 72 (1.37%) SolarWinds
15 71 (1.35%) Salesforce.com
16 66 (1.26%) Dell
17 62 (1.18%) Palo Alto
18 61 (1.16%) Hortonworks
19 60 (1.14%) Atlassian
19 60 (1.14%) CyberArk