Period
to 20 September 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 20 September 2020 with a comparison to the same period in the previous 2 years.

Linux
England > London
6 months to
20 Sep 2020
Same period 2019 Same period 2018
Rank 23 20 19
Rank change year-on-year -3 -1 -4
Permanent jobs citing Linux 1,891 5,281 7,182
As % of all permanent jobs advertised in London 9.36% 9.45% 10.46%
As % of the Operating Systems category 48.40% 43.57% 45.96%
Number of salaries quoted 1,698 4,571 6,056
Median annual salary £67,500 £67,500 £65,000
Median salary % change year-on-year - +3.85% +8.33%
10th Percentile £42,500 £39,000 £41,250
90th Percentile £96,250 £105,000 £95,000
England median annual salary £55,000 £55,000 £54,000
% 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 3,907 12,121 15,628
As % of all permanent IT jobs advertised in London 19.33% 21.69% 22.76%
Number of salaries quoted 3,248 9,990 12,874
Median annual salary £65,000 £60,000 £57,500
Median salary % change year-on-year +8.33% +4.35% +4.55%
10th Percentile £36,250 £29,000 £30,500
90th Percentile £95,000 £92,500 £88,750
England median annual salary £50,000 £47,500 £47,500
% change year-on-year +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 20 September 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 20 September 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 0 454 £70,000 - 177
South London -4 70 £67,500 +12.50% 13
West London +2 64 £55,000 -8.33% 37
East London -5 23 £70,000 +7.69% 12
North London +2 3 £39,000 -40.00% 1
Linux
England

For the 6 months to 20 September 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.

1 857 (45.32%) Python
2 712 (37.65%) DevOps
3 706 (37.33%) AWS
4 592 (31.31%) Windows
5 518 (27.39%) Finance
6 510 (26.97%) Agile Software Development
7 474 (25.07%) Java
8 468 (24.75%) Docker
9 448 (23.69%) Azure
10 421 (22.26%) Ansible
11 415 (21.95%) Kubernetes
12 405 (21.42%) Terraform
13 391 (20.68%) Unix
14 372 (19.67%) SQL
15 338 (17.87%) Git (software)
16 293 (15.49%) Jenkins
17 281 (14.86%) JavaScript
18 276 (14.60%) Bash Shell
19 259 (13.70%) Puppet
19 259 (13.70%) Microsoft
20 253 (13.38%) VMware
21 238 (12.59%) Software Engineering
22 207 (10.95%) GCP
23 204 (10.79%) Configuration Management
24 200 (10.58%) PowerShell
25 198 (10.47%) Active Directory
26 197 (10.42%) Firewall
27 190 (10.05%) Infrastructure as Code
28 182 (9.62%) TCP/IP
29 181 (9.57%) Degree

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 85 (4.49%) Apache
2 79 (4.18%) Confluence
3 63 (3.33%) Elasticsearch
4 54 (2.86%) Tomcat
5 37 (1.96%) Apache Spark
6 32 (1.69%) WebSphere
7 29 (1.53%) Cloud Foundry
7 29 (1.53%) nginx
7 29 (1.53%) Skype for Business
8 27 (1.43%) IIS
9 16 (0.85%) MS Exchange
10 14 (0.74%) IBM Transformation Extender
10 14 (0.74%) OpenStack
11 12 (0.63%) WebLogic
12 11 (0.58%) SharePoint
13 9 (0.48%) Drupal
14 7 (0.37%) JBoss
14 7 (0.37%) WordPress
15 6 (0.32%) CloudStack
16 5 (0.26%) GeoServer
Applications
1 39 (2.06%) Microsoft Office
2 25 (1.32%) MS Visio
3 14 (0.74%) Microsoft Excel
4 3 (0.16%) Photoshop
5 2 (0.11%) Adobe Illustrator
5 2 (0.11%) Adobe Premiere
5 2 (0.11%) Fireworks
5 2 (0.11%) Inkscape
5 2 (0.11%) Windchill
6 1 (0.053%) Chatbot
6 1 (0.053%) Microsoft PowerPoint
6 1 (0.053%) Spreadsheet
Business Applications
1 9 (0.48%) Remedy ITSM
2 7 (0.37%) Sentinel
3 5 (0.26%) Dynamics CRM
3 5 (0.26%) Salerio
4 4 (0.21%) Magento
4 4 (0.21%) Oracle Applications
5 2 (0.11%) Markit EDM
5 2 (0.11%) Oracle EBS
5 2 (0.11%) Oracle EBS R12
5 2 (0.11%) Salesforce.com CRM
5 2 (0.11%) thinkFolio
6 1 (0.053%) Payment Gateway
6 1 (0.053%) SunGard Martini
Cloud Services
1 706 (37.33%) AWS
2 448 (23.69%) Azure
3 207 (10.95%) GCP
4 115 (6.08%) Office 365
5 94 (4.97%) SaaS
6 78 (4.12%) IaaS
7 73 (3.86%) AWS CloudFormation
7 73 (3.86%) Serverless
8 70 (3.70%) GitHub
9 69 (3.65%) PaaS
10 67 (3.54%) Azure Active Directory
11 47 (2.49%) Amazon CloudWatch
12 41 (2.17%) Amazon EC2
13 39 (2.06%) Datadog
14 38 (2.01%) Cloud Computing
15 36 (1.90%) AWS Lambda
15 36 (1.90%) OpenShift
16 30 (1.59%) Amazon S3
17 29 (1.53%) Route 53
17 29 (1.53%) Slack
Communications & Networking
1 197 (10.42%) Firewall
2 182 (9.62%) TCP/IP
3 135 (7.14%) DNS
4 86 (4.55%) Network Security
5 79 (4.18%) VPN
6 73 (3.86%) DHCP
7 67 (3.54%) HTTP
8 64 (3.38%) WAN
9 63 (3.33%) Wireless
10 61 (3.23%) LAN
10 61 (3.23%) SAN
11 60 (3.17%) BGP
11 60 (3.17%) OSPF
12 54 (2.86%) SNMP
13 50 (2.64%) SSH
14 49 (2.59%) Wireshark
15 48 (2.54%) Internet
16 41 (2.17%) VoIP
17 40 (2.12%) Wi-Fi
18 39 (2.06%) Multicast
Database & Business Intelligence
1 158 (8.36%) SQL Server
2 150 (7.93%) PostgreSQL
3 130 (6.87%) NoSQL
4 121 (6.40%) MySQL
5 98 (5.18%) MongoDB
6 81 (4.28%) Big Data
7 76 (4.02%) Relational Database
8 64 (3.38%) Hadoop
9 53 (2.80%) Apache Cassandra
10 41 (2.17%) Amazon RDS
11 40 (2.12%) Redis
12 37 (1.96%) RDBMS
13 32 (1.69%) Oracle Database
14 20 (1.06%) Blockchain
15 19 (1.00%) Azure SQL Database
16 16 (0.85%) Data Warehouse
16 16 (0.85%) KDB
16 16 (0.85%) MariaDB
16 16 (0.85%) SQL Server Integration Services
17 15 (0.79%) Amazon DynamoDB
Development Applications
1 338 (17.87%) Git (software)
2 293 (15.49%) Jenkins
3 176 (9.31%) JIRA
4 123 (6.50%) GitLab
5 54 (2.86%) Atlassian Bamboo
6 40 (2.12%) Bitbucket
7 38 (2.01%) Sonatype Nexus
8 35 (1.85%) TeamCity
9 28 (1.48%) Artifactory
10 24 (1.27%) eggPlant
10 24 (1.27%) Locust
10 24 (1.27%) Vagrant
11 23 (1.22%) Octopus Deploy
12 22 (1.16%) Maven
12 22 (1.16%) Selenium
13 20 (1.06%) Subversion
13 20 (1.06%) Team Foundation Server
14 16 (0.85%) CircleCI
14 16 (0.85%) webpack
15 15 (0.79%) Gerrit
General
1 518 (27.39%) Finance
2 113 (5.98%) Banking
3 74 (3.91%) Front Office
4 57 (3.01%) Telecoms
5 55 (2.91%) Law
6 46 (2.43%) Public Sector
7 29 (1.53%) Back Office
8 28 (1.48%) Retail
9 26 (1.37%) Games
10 24 (1.27%) Marketing
11 20 (1.06%) Investment Banking
12 19 (1.00%) Advertising
13 17 (0.90%) Legal
14 10 (0.53%) Financial Institution
15 8 (0.42%) Electronics
16 7 (0.37%) Publishing
17 6 (0.32%) French Language
17 6 (0.32%) Manufacturing
18 4 (0.21%) Automotive
19 3 (0.16%) Billing
Job Titles
1 394 (20.84%) DevOps Engineer
2 379 (20.04%) Developer
3 132 (6.98%) Linux Engineer
4 123 (6.50%) Administrator
5 117 (6.19%) AWS Engineer
6 108 (5.71%) Senior Developer
7 106 (5.61%) Infrastructure Engineer
8 101 (5.34%) Java Developer
9 96 (5.08%) Analyst
10 89 (4.71%) Software Engineer
11 88 (4.65%) AWS DevOps
12 86 (4.55%) Python Engineer
13 83 (4.39%) Cloud Engineer
14 81 (4.28%) Network Engineer
15 78 (4.12%) Senior DevOps
15 78 (4.12%) Systems Administrator
16 76 (4.02%) AWS DevOps Engineer
17 73 (3.86%) Full Stack Developer
18 72 (3.81%) Senior DevOps Engineer
19 70 (3.70%) Python Developer
Libraries, Frameworks & Software Standards
1 122 (6.45%) .NET
2 112 (5.92%) Node.js
3 109 (5.76%) CSS
4 106 (5.61%) HTML
4 106 (5.61%) Kafka
5 99 (5.24%) React
6 84 (4.44%) Web Services
7 82 (4.34%) Spring
8 76 (4.02%) XML
9 74 (3.91%) Elastic Stack
10 68 (3.60%) LDAP
11 64 (3.38%) AngularJS
12 61 (3.23%) REST
13 57 (3.01%) FIX Protocol
13 57 (3.01%) Vue.js
14 55 (2.91%) RESTful
15 50 (2.64%) Django
16 48 (2.54%) Middleware
17 42 (2.22%) .NET Core
18 40 (2.12%) Spring Boot
Miscellaneous
1 132 (6.98%) Analytical Skills
2 117 (6.19%) Public Cloud
3 112 (5.92%) Data Centre
4 71 (3.75%) Management Information System
5 68 (3.60%) Linux Command Line
6 66 (3.49%) Hedge funds
7 62 (3.28%) Greenfield Project
8 57 (3.01%) Fixed Income
9 56 (2.96%) Algorithms
10 53 (2.80%) Self-Motivation
11 43 (2.27%) Data Structures
12 42 (2.22%) Equities
13 37 (1.96%) Cloud Native
14 34 (1.80%) Derivative
15 28 (1.48%) Cybercrime
16 26 (1.37%) Private Cloud
16 26 (1.37%) User Experience
16 26 (1.37%) Virtual Team
17 24 (1.27%) Foreign Exchange (FX)
18 23 (1.22%) Mobile App
Operating Systems
1 592 (31.31%) Windows
2 391 (20.68%) Unix
3 167 (8.83%) Windows Server
4 129 (6.82%) Red Hat Enterprise Linux
5 126 (6.66%) CentOS
6 94 (4.97%) Ubuntu
7 49 (2.59%) Windows Server 2012
8 44 (2.33%) Debian
9 43 (2.27%) Android
10 42 (2.22%) Mac OS X
10 42 (2.22%) Solaris
11 34 (1.80%) Windows Server 2008
12 31 (1.64%) Windows Server 2016
13 27 (1.43%) Oracle Linux
14 26 (1.37%) Windows 10
15 25 (1.32%) Mac OS
16 15 (0.79%) Windows 7
17 14 (0.74%) Apple iOS
17 14 (0.74%) Windows Server 2003
18 10 (0.53%) Fedora
Processes & Methodologies
1 712 (37.65%) DevOps
2 510 (26.97%) Agile Software Development
3 238 (12.59%) Software Engineering
4 204 (10.79%) Configuration Management
5 190 (10.05%) Infrastructure as Code
6 168 (8.88%) Fintech
7 161 (8.51%) Microservices
8 148 (7.83%) Problem-Solving
9 143 (7.56%) Continuous Integration
9 143 (7.56%) Infrastructure Engineering
10 141 (7.46%) Test Automation
11 137 (7.24%) Mentoring
12 135 (7.14%) Computer Science
13 133 (7.03%) Site Reliability Engineering
14 124 (6.56%) Open Source
14 124 (6.56%) TDD
15 121 (6.40%) ITIL
16 103 (5.45%) Scrum
17 97 (5.13%) Analytics
18 93 (4.92%) Low Latency
Programming Languages
1 857 (45.32%) Python
2 474 (25.07%) Java
3 372 (19.67%) SQL
4 281 (14.86%) JavaScript
5 276 (14.60%) Bash Shell
6 200 (10.58%) PowerShell
7 154 (8.14%) Ruby
8 152 (8.04%) Go
9 138 (7.30%) C#
10 131 (6.93%) C++
10 131 (6.93%) Perl
11 126 (6.66%) PHP
12 105 (5.55%) Shell Script
13 75 (3.97%) C
14 62 (3.28%) Groovy
15 59 (3.12%) Scala
16 42 (2.22%) Java 8
17 38 (2.01%) R
18 32 (1.69%) PL/SQL
19 30 (1.59%) TypeScript
Qualifications
1 181 (9.57%) Degree
2 98 (5.18%) Cisco Certification
3 91 (4.81%) Computer Science Degree
4 78 (4.12%) Security Cleared
5 60 (3.17%) SC Cleared
6 52 (2.75%) CCNA
7 51 (2.70%) CISSP
8 47 (2.49%) CCNP
9 41 (2.17%) Master's Degree
10 37 (1.96%) AWS Certification
10 37 (1.96%) CISM
10 37 (1.96%) Microsoft Certification
11 27 (1.43%) CCIE
11 27 (1.43%) CISA
12 20 (1.06%) VMware Certified Professional (VCP)
13 17 (0.90%) MCSA
14 15 (0.79%) MCP
15 14 (0.74%) RHCE
16 12 (0.63%) ITIL Foundation Certificate
17 11 (0.58%) MCITP
Quality Assurance & Compliance
1 74 (3.91%) QA
2 59 (3.12%) SLA
3 28 (1.48%) GDPR
4 15 (0.79%) ISO/IEC 27001
5 14 (0.74%) PCI DSS
6 8 (0.42%) NIST
7 6 (0.32%) COBIT
7 6 (0.32%) Sarbanes-Oxley
8 3 (0.16%) FINRA
9 2 (0.11%) ISO 20022
9 2 (0.11%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
10 1 (0.053%) Cyber Essentials
10 1 (0.053%) Data Quality
10 1 (0.053%) Government Security Classifications
10 1 (0.053%) HIPAA
10 1 (0.053%) ISO 9001
10 1 (0.053%) ISO/IEC 20000
10 1 (0.053%) NCSC
System Software
1 468 (24.75%) Docker
2 198 (10.47%) Active Directory
3 169 (8.94%) VMware Infrastructure
4 69 (3.65%) Hyper-V
5 46 (2.43%) vSphere
6 39 (2.06%) Virtual Machines
7 35 (1.85%) VMware ESXi
8 12 (0.63%) Apache ZooKeeper
9 11 (0.58%) NFS
9 11 (0.58%) Virtual Servers
10 9 (0.48%) LXC
10 9 (0.48%) RHEV
11 8 (0.42%) Firmware
11 8 (0.42%) vCloud
12 7 (0.37%) Samba
13 6 (0.32%) Kamailio
14 5 (0.26%) VMware Workstation
15 4 (0.21%) Apache Flume
15 4 (0.21%) Oracle RAC
15 4 (0.21%) Virtual Desktop
Systems Management
1 421 (22.26%) Ansible
2 415 (21.95%) Kubernetes
3 405 (21.42%) Terraform
4 259 (13.70%) Puppet
5 127 (6.72%) Opscode Chef
6 91 (4.81%) Grafana
7 60 (3.17%) Prometheus
8 56 (2.96%) Nagios
9 39 (2.06%) WSUS
10 35 (1.85%) ZABBIX
11 27 (1.43%) Packer
12 26 (1.37%) Nessus
12 26 (1.37%) SCCM
13 19 (1.00%) SCOM
14 18 (0.95%) Graphite
15 16 (0.85%) Docker Swarm
16 14 (0.74%) CSIRT
16 14 (0.74%) Rancher
16 14 (0.74%) Salt
17 13 (0.69%) Opsview
Vendors
1 259 (13.70%) Microsoft
2 253 (13.38%) VMware
3 176 (9.31%) Oracle
4 144 (7.62%) Red Hat
5 115 (6.08%) Cisco
6 112 (5.92%) Google
7 96 (5.08%) Splunk
8 81 (4.28%) HP
9 61 (3.23%) IBM
10 35 (1.85%) Atlassian
11 34 (1.80%) Sun
12 31 (1.64%) Palo Alto
13 30 (1.59%) Juniper
14 29 (1.53%) CyberArk
14 29 (1.53%) Riverbed
14 29 (1.53%) SolarWinds
15 27 (1.43%) ServiceNow
16 26 (1.37%) Avaya
16 26 (1.37%) Dell
17 25 (1.32%) EMC