Period
to 26 November 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 26 November 2020 with a comparison to the same period in the previous 2 years.

Linux
England > London
6 months to
26 Nov 2020
Same period 2019 Same period 2018
Rank 23 21 19
Rank change year-on-year -2 -2 -3
Permanent jobs citing Linux 1,994 4,910 6,925
As % of all permanent jobs advertised in London 9.13% 9.03% 10.42%
As % of the Operating Systems category 48.42% 41.99% 46.02%
Number of salaries quoted 1,854 4,056 5,938
Median annual salary £70,000 £67,500 £65,000
Median salary % change year-on-year +3.70% +3.85% +8.33%
10th Percentile £42,500 £38,750 £40,000
90th Percentile £97,500 £105,000 £95,000
England median annual salary £55,000 £55,000 £55,000

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 4,118 11,693 15,047
As % of all permanent IT jobs advertised in London 18.86% 21.50% 22.64%
Number of salaries quoted 3,433 9,531 12,515
Median annual salary £65,000 £57,500 £58,500
Median salary % change year-on-year +13.04% -1.71% +6.36%
10th Percentile £36,250 £28,500 £30,000
90th Percentile £95,000 £92,500 £90,000
England median annual salary £50,000 £45,000 £47,500
% change year-on-year +11.11% -5.26% +5.56%

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 26 November 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 26 November 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 -3 401 £70,000 -3.45% 196
South London 0 76 £70,000 +12.00% 25
West London -13 48 £62,500 +4.17% 47
East London -9 22 £70,000 +7.69% 30
North London +12 4 £43,750 -11.17% 3
Linux
England

For the 6 months to 26 November 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.

1 915 (45.89%) Python
2 792 (39.72%) DevOps
3 789 (39.57%) AWS
4 585 (29.34%) Windows
5 553 (27.73%) Finance
6 543 (27.23%) Agile Software Development
7 521 (26.13%) Docker
8 485 (24.32%) Terraform
9 473 (23.72%) Java
10 471 (23.62%) Kubernetes
11 469 (23.52%) Ansible
12 459 (23.02%) Azure
13 381 (19.11%) Unix
14 359 (18.00%) Jenkins
15 338 (16.95%) SQL
16 337 (16.90%) Git (software)
17 332 (16.65%) Puppet
18 287 (14.39%) Bash Shell
19 276 (13.84%) Software Engineering
20 254 (12.74%) JavaScript
21 243 (12.19%) Microsoft
22 234 (11.74%) VMware
23 233 (11.69%) Infrastructure as Code
24 215 (10.78%) Configuration Management
25 208 (10.43%) Degree
26 206 (10.33%) JIRA
27 205 (10.28%) GCP
28 201 (10.08%) Firewall
29 195 (9.78%) Fintech
30 190 (9.53%) Active Directory

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 93 (4.66%) Confluence
2 76 (3.81%) Elasticsearch
3 64 (3.21%) Apache
4 50 (2.51%) Apache Spark
5 38 (1.91%) Skype for Business
6 26 (1.30%) Cloud Foundry
7 20 (1.00%) MS Exchange
7 20 (1.00%) nginx
7 20 (1.00%) Tomcat
8 18 (0.90%) WebSphere
9 13 (0.65%) OpenStack
10 12 (0.60%) IBM Transformation Extender
10 12 (0.60%) IIS
11 10 (0.50%) WebLogic
12 8 (0.40%) Red Hat Fuse
12 8 (0.40%) SharePoint
13 5 (0.25%) Drupal
13 5 (0.25%) GeoServer
14 4 (0.20%) DNN
14 4 (0.20%) WordPress
Applications
1 44 (2.21%) Microsoft Office
2 32 (1.60%) MS Visio
3 22 (1.10%) Microsoft Excel
4 4 (0.20%) Adobe Illustrator
4 4 (0.20%) Fireworks
4 4 (0.20%) Inkscape
4 4 (0.20%) Microsoft PowerPoint
4 4 (0.20%) OrCAD
4 4 (0.20%) Photoshop
5 2 (0.10%) Spreadsheet
6 1 (0.050%) Chatbot
6 1 (0.050%) Windchill
Business Applications
1 6 (0.30%) Oracle Applications
2 5 (0.25%) Sentinel
2 5 (0.25%) Shopify
3 4 (0.20%) Quorum
4 3 (0.15%) Dynamics CRM
4 3 (0.15%) Remedy ITSM
5 2 (0.10%) Magento
5 2 (0.10%) SAP Business One
6 1 (0.050%) SunGard Martini
6 1 (0.050%) Temenos T24
Cloud Services
1 789 (39.57%) AWS
2 459 (23.02%) Azure
3 205 (10.28%) GCP
4 107 (5.37%) Office 365
5 101 (5.07%) AWS CloudFormation
6 87 (4.36%) Serverless
7 86 (4.31%) GitHub
8 77 (3.86%) IaaS
9 76 (3.81%) Azure Active Directory
10 74 (3.71%) SaaS
11 62 (3.11%) AWS Lambda
11 62 (3.11%) PaaS
12 61 (3.06%) Amazon CloudWatch
13 55 (2.76%) Amazon EC2
14 50 (2.51%) Datadog
15 43 (2.16%) Amazon S3
16 39 (1.96%) Cloud Computing
16 39 (1.96%) Route 53
17 35 (1.76%) Amazon ECS
17 35 (1.76%) OpenShift
Communications & Networking
1 201 (10.08%) Firewall
2 161 (8.07%) TCP/IP
3 122 (6.12%) DNS
4 90 (4.51%) WAN
5 86 (4.31%) Network Security
5 86 (4.31%) VPN
6 79 (3.96%) HTTP
6 79 (3.96%) LAN
7 77 (3.86%) BGP
8 67 (3.36%) OSPF
9 66 (3.31%) DHCP
9 66 (3.31%) Wireless
10 59 (2.96%) SNMP
11 56 (2.81%) SSH
12 54 (2.71%) Internet
13 47 (2.36%) SAN
13 47 (2.36%) Wi-Fi
14 44 (2.21%) Wireshark
15 39 (1.96%) FTP
15 39 (1.96%) IPsec
Database & Business Intelligence
1 183 (9.18%) PostgreSQL
2 134 (6.72%) SQL Server
3 117 (5.87%) NoSQL
4 106 (5.32%) MySQL
5 88 (4.41%) MongoDB
6 83 (4.16%) Big Data
7 64 (3.21%) Relational Database
8 60 (3.01%) Apache Cassandra
9 56 (2.81%) Amazon RDS
10 49 (2.46%) Redis
11 45 (2.26%) Hadoop
12 38 (1.91%) Oracle Database
13 37 (1.86%) Blockchain
14 26 (1.30%) Amazon DynamoDB
15 23 (1.15%) MariaDB
16 22 (1.10%) Data Warehouse
17 21 (1.05%) RDBMS
17 21 (1.05%) SQL Server Integration Services
18 20 (1.00%) Oracle Database 12c
19 16 (0.80%) SAP HANA
Development Applications
1 359 (18.00%) Jenkins
2 337 (16.90%) Git (software)
3 206 (10.33%) JIRA
4 154 (7.72%) GitLab
5 65 (3.26%) Atlassian Bamboo
6 49 (2.46%) TeamCity
7 43 (2.16%) Bitbucket
8 42 (2.11%) Selenium
9 37 (1.86%) Subversion
10 28 (1.40%) Gerrit
10 28 (1.40%) Locust
11 27 (1.35%) Artifactory
11 27 (1.35%) JMeter
11 27 (1.35%) Octopus Deploy
12 26 (1.30%) eggPlant
13 24 (1.20%) LoadRunner
13 24 (1.20%) Maven
13 24 (1.20%) Sonatype Nexus
14 20 (1.00%) Visual Studio Team System
15 16 (0.80%) Cucumber
General
1 553 (27.73%) Finance
2 123 (6.17%) Banking
3 87 (4.36%) Front Office
4 56 (2.81%) Law
5 54 (2.71%) Games
6 51 (2.56%) Back Office
7 50 (2.51%) Telecoms
8 42 (2.11%) Public Sector
9 31 (1.55%) Retail
10 28 (1.40%) Marketing
11 27 (1.35%) Advertising
11 27 (1.35%) Investment Banking
12 25 (1.25%) Financial Institution
13 17 (0.85%) Legal
14 16 (0.80%) Electronics
15 9 (0.45%) Publishing
16 7 (0.35%) Manufacturing
17 4 (0.20%) Automotive
17 4 (0.20%) International Banking
17 4 (0.20%) Local Government
Job Titles
1 484 (24.27%) DevOps Engineer
2 416 (20.86%) Developer
3 180 (9.03%) AWS Engineer
4 161 (8.07%) Linux Engineer
5 148 (7.42%) AWS DevOps
6 137 (6.87%) AWS DevOps Engineer
7 116 (5.82%) Senior DevOps
8 109 (5.47%) Senior Developer
9 106 (5.32%) Senior DevOps Engineer
10 104 (5.22%) Administrator
11 99 (4.96%) Infrastructure Engineer
12 92 (4.61%) Software Engineer
13 91 (4.56%) Python Engineer
14 86 (4.31%) Java Developer
15 83 (4.16%) Cloud Engineer
15 83 (4.16%) Network Engineer
15 83 (4.16%) Python Developer
16 79 (3.96%) Analyst
17 78 (3.91%) Full Stack Developer
18 77 (3.86%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 136 (6.82%) .NET
2 122 (6.12%) Kafka
3 117 (5.87%) Node.js
4 95 (4.76%) React
5 93 (4.66%) HTML
6 81 (4.06%) CSS
7 79 (3.96%) Spring
8 74 (3.71%) REST
9 71 (3.56%) Web Services
10 70 (3.51%) Elastic Stack
11 64 (3.21%) XML
12 62 (3.11%) FIX Protocol
13 61 (3.06%) .NET Core
14 59 (2.96%) LDAP
15 55 (2.76%) AngularJS
16 53 (2.66%) Django
17 51 (2.56%) RESTful
18 43 (2.16%) Middleware
19 42 (2.11%) Spring Boot
20 40 (2.01%) Vue.js
Miscellaneous
1 119 (5.97%) Data Centre
2 114 (5.72%) Analytical Skills
3 95 (4.76%) Public Cloud
4 86 (4.31%) Hedge funds
5 70 (3.51%) Fixed Income
6 68 (3.41%) Management Information System
7 67 (3.36%) Linux Command Line
8 65 (3.26%) Algorithms
9 64 (3.21%) Equities
9 64 (3.21%) Greenfield Project
10 58 (2.91%) Self-Motivation
11 49 (2.46%) Data Structures
12 41 (2.06%) Cloud Native
13 38 (1.91%) Foreign Exchange (FX)
14 33 (1.65%) Replication
15 31 (1.55%) Virtual Team
16 30 (1.50%) Derivative
17 28 (1.40%) Clustering
18 23 (1.15%) Cybercrime
19 19 (0.95%) Mobile App
Operating Systems
1 585 (29.34%) Windows
2 381 (19.11%) Unix
3 151 (7.57%) Windows Server
4 141 (7.07%) Red Hat Enterprise Linux
5 134 (6.72%) CentOS
6 85 (4.26%) Ubuntu
7 47 (2.36%) Mac OS X
8 44 (2.21%) Debian
9 35 (1.76%) Android
10 30 (1.50%) Windows Server 2012
11 29 (1.45%) Mac OS
12 26 (1.30%) Solaris
13 23 (1.15%) Oracle Linux
14 21 (1.05%) Windows Server 2016
15 17 (0.85%) Windows 10
16 16 (0.80%) CoreOS
16 16 (0.80%) zOS
17 14 (0.70%) Apple iOS
17 14 (0.70%) Windows 7
18 13 (0.65%) Windows Server 2008
Processes & Methodologies
1 792 (39.72%) DevOps
2 543 (27.23%) Agile Software Development
3 276 (13.84%) Software Engineering
4 233 (11.69%) Infrastructure as Code
5 215 (10.78%) Configuration Management
6 195 (9.78%) Fintech
7 185 (9.28%) TDD
8 175 (8.78%) Test Automation
9 169 (8.48%) Computer Science
10 161 (8.07%) Continuous Integration
11 155 (7.77%) Problem-Solving
12 148 (7.42%) Infrastructure Engineering
13 143 (7.17%) Microservices
14 126 (6.32%) Low Latency
15 121 (6.07%) Open Source
16 119 (5.97%) Site Reliability Engineering
17 112 (5.62%) Scrum
18 108 (5.42%) Mentoring
19 102 (5.12%) Cybersecurity
20 101 (5.07%) Analytics
Programming Languages
1 915 (45.89%) Python
2 473 (23.72%) Java
3 338 (16.95%) SQL
4 287 (14.39%) Bash Shell
5 254 (12.74%) JavaScript
6 180 (9.03%) C++
7 177 (8.88%) PowerShell
8 159 (7.97%) C#
9 156 (7.82%) Go
10 134 (6.72%) Ruby
11 130 (6.52%) Shell Script
12 117 (5.87%) Perl
13 107 (5.37%) PHP
14 91 (4.56%) C
15 53 (2.66%) TypeScript
16 45 (2.26%) Scala
17 44 (2.21%) Java 8
18 39 (1.96%) Groovy
19 35 (1.76%) PL/SQL
20 23 (1.15%) T-SQL
Qualifications
1 208 (10.43%) Degree
2 122 (6.12%) Security Cleared
3 111 (5.57%) Cisco Certification
4 107 (5.37%) SC Cleared
5 104 (5.22%) Computer Science Degree
6 50 (2.51%) CCNA
7 47 (2.36%) CCNP
8 42 (2.11%) AWS Certification
9 38 (1.91%) Master's Degree
10 33 (1.65%) CCIE
11 32 (1.60%) Microsoft Certification
12 28 (1.40%) CISSP
13 19 (0.95%) ITIL Foundation Certificate
14 16 (0.80%) CISM
15 14 (0.70%) DV Cleared
15 14 (0.70%) SANS
16 13 (0.65%) (ISC)2 CCSP
16 13 (0.65%) VMware Certified Professional (VCP)
17 12 (0.60%) CCSP
17 12 (0.60%) GCIH
Quality Assurance & Compliance
1 95 (4.76%) QA
2 43 (2.16%) SLA
3 30 (1.50%) ISO/IEC 27001
4 28 (1.40%) GDPR
5 21 (1.05%) NIST
6 14 (0.70%) PCI DSS
7 7 (0.35%) COBIT
8 5 (0.25%) Dodd-Frank
8 5 (0.25%) EMIR
8 5 (0.25%) MiFID
9 4 (0.20%) Cyber Essentials
10 3 (0.15%) Cyber Essentials PLUS
10 3 (0.15%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
11 2 (0.10%) Government Security Classifications
11 2 (0.10%) NCSC
11 2 (0.10%) NIST 800
12 1 (0.050%) Data Quality
12 1 (0.050%) FINRA
12 1 (0.050%) ISO/IEC 20000
12 1 (0.050%) WCAG
System Software
1 521 (26.13%) Docker
2 190 (9.53%) Active Directory
3 160 (8.02%) VMware Infrastructure
4 49 (2.46%) Hyper-V
5 39 (1.96%) Virtual Machines
6 33 (1.65%) vSphere
7 15 (0.75%) VMware ESXi
8 14 (0.70%) Firmware
9 10 (0.50%) Apache ZooKeeper
9 10 (0.50%) RHEV
10 8 (0.40%) Oracle RAC
11 7 (0.35%) Xen
12 6 (0.30%) LXC
12 6 (0.30%) NFS
12 6 (0.30%) VMware Workstation
13 5 (0.25%) Kamailio
13 5 (0.25%) KVM
13 5 (0.25%) OpenSIPS
14 4 (0.20%) Samba
14 4 (0.20%) Virtual Desktop
Systems Management
1 485 (24.32%) Terraform
2 471 (23.62%) Kubernetes
3 469 (23.52%) Ansible
4 332 (16.65%) Puppet
5 166 (8.32%) Opscode Chef
6 103 (5.17%) Grafana
7 66 (3.31%) Prometheus
8 63 (3.16%) Nagios
9 39 (1.96%) ZABBIX
10 26 (1.30%) Salt
11 25 (1.25%) WSUS
12 21 (1.05%) Kibana
13 20 (1.00%) Graphite
13 20 (1.00%) Packer
14 18 (0.90%) SCCM
15 16 (0.80%) Consul
15 16 (0.80%) Control-M
16 15 (0.75%) SCOM
17 14 (0.70%) Data Guard
17 14 (0.70%) Rancher
Vendors
1 243 (12.19%) Microsoft
2 234 (11.74%) VMware
3 160 (8.02%) Oracle
4 129 (6.47%) Red Hat
5 127 (6.37%) Google
6 121 (6.07%) Cisco
7 65 (3.26%) Splunk
8 61 (3.06%) HP
9 42 (2.11%) IBM
10 41 (2.06%) Atlassian
11 37 (1.86%) Palo Alto
12 34 (1.71%) Riverbed
13 32 (1.60%) Sybase
14 29 (1.45%) Avaya
15 26 (1.30%) SAP
16 25 (1.25%) Citrix
17 24 (1.20%) SolarWinds
18 22 (1.10%) Juniper
19 21 (1.05%) ServiceNow
20 19 (0.95%) Veeam