Period
to 22 February 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 22 February 2020 with a comparison to the same period in the previous 2 years.

Linux
England > London
6 months to
22 Feb 2020
Same period 2019 Same period 2018
Rank 26 20 17
Rank change year-on-year -6 -3 -2
Permanent jobs citing Linux 4,373 6,405 7,590
As % of all permanent IT jobs advertised in London 8.66% 10.21% 10.82%
As % of the Operating Systems category 42.03% 45.58% 44.81%
Number of salaries quoted 3,411 5,257 6,134
London 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 £102,500 £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 10,405 14,053 16,938
As % of all permanent IT jobs advertised in London 20.61% 22.41% 24.16%
Number of salaries quoted 8,426 11,659 13,966
London median annual salary £57,500 £60,000 £55,000
Median salary % change year-on-year -4.17% +9.09% -
10th Percentile £29,000 £30,000 £31,250
90th Percentile £90,000 £90,000 £85,000
England median annual salary £47,000 £47,500 £45,000
% change year-on-year -1.05% +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 22 February 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 22 February 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 1,056 £75,000 +7.14% 291
West London +11 279 £57,500 +4.55% 124
South London -6 137 £65,000 +14.29% 26
East London +15 67 £62,500 +4.17% 52
North London -2 24 £55,000 +15.79% 10
Linux
England

For the 6 months to 22 February 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 1,786 (40.84%) Python
2 1,642 (37.55%) AWS
3 1,557 (35.60%) DevOps
4 1,411 (32.27%) Windows
5 1,365 (31.21%) Finance
6 1,253 (28.65%) Java
7 1,233 (28.20%) Docker
8 1,207 (27.60%) Agile Software Development
9 989 (22.62%) SQL
10 949 (21.70%) Kubernetes
11 917 (20.97%) Ansible
12 904 (20.67%) Unix
13 871 (19.92%) Azure
14 740 (16.92%) Git (software)
15 697 (15.94%) Terraform
16 695 (15.89%) Jenkins
17 694 (15.87%) Bash Shell
18 660 (15.09%) Puppet
19 579 (13.24%) Software Engineering
20 558 (12.76%) JavaScript
21 519 (11.87%) Degree
22 481 (11.00%) Problem-Solving
23 477 (10.91%) Fintech
24 472 (10.79%) Microservices
24 472 (10.79%) VMware
25 461 (10.54%) GCP
26 460 (10.52%) Microsoft
27 456 (10.43%) PowerShell
28 453 (10.36%) Oracle
29 447 (10.22%) Opscode Chef

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
1 251 (5.74%) Apache
2 174 (3.98%) Apache Spark
3 164 (3.75%) Tomcat
4 143 (3.27%) Confluence
5 136 (3.11%) nginx
6 128 (2.93%) IIS
7 115 (2.63%) Elasticsearch
8 57 (1.30%) OpenStack
9 46 (1.05%) MS Exchange
10 42 (0.96%) WebSphere
11 35 (0.80%) Apache Airflow
12 33 (0.75%) SharePoint
13 32 (0.73%) JBoss
14 27 (0.62%) WebLogic
15 17 (0.39%) SAS
16 15 (0.34%) Skype for Business
17 14 (0.32%) Drupal
18 13 (0.30%) MQSeries
18 13 (0.30%) Oracle Coherence
19 12 (0.27%) CMS
Applications
1 44 (1.01%) Microsoft Office
2 43 (0.98%) Microsoft Excel
3 21 (0.48%) Microsoft PowerPoint
4 16 (0.37%) MS Visio
5 9 (0.21%) Photoshop
6 7 (0.16%) Gliffy
7 4 (0.091%) Maya
7 4 (0.091%) NUKE
8 3 (0.069%) Acrobat
8 3 (0.069%) Adobe Illustrator
8 3 (0.069%) HipChat
8 3 (0.069%) InDesign
8 3 (0.069%) Spreadsheet
9 2 (0.046%) Houdini
9 2 (0.046%) Mozilla Thunderbird
9 2 (0.046%) Windchill
Business Applications
1 19 (0.43%) Salerio
2 18 (0.41%) Oracle EBS
3 16 (0.37%) Oracle ERP
4 13 (0.30%) Documaker
5 9 (0.21%) Dynamics CRM
6 7 (0.16%) Dynamics AX
6 7 (0.16%) R3 Corda
7 6 (0.14%) Oracle Applications
8 5 (0.11%) Eikon
8 5 (0.11%) Markit EDM
9 4 (0.091%) Oracle BPM
10 3 (0.069%) Distributed Ledger
10 3 (0.069%) MetaTrader
10 3 (0.069%) Remedy ITSM
10 3 (0.069%) thinkFolio
11 2 (0.046%) Rolfe and Nolan
11 2 (0.046%) Salesforce.com CRM
11 2 (0.046%) SAP Business One
11 2 (0.046%) Shopify
11 2 (0.046%) SnowdropKCS
Cloud Services
1 1,642 (37.55%) AWS
2 871 (19.92%) Azure
3 461 (10.54%) GCP
4 201 (4.60%) AWS CloudFormation
5 172 (3.93%) Office 365
6 160 (3.66%) Amazon EC2
6 160 (3.66%) SaaS
7 159 (3.64%) Amazon S3
8 154 (3.52%) Serverless
9 149 (3.41%) IaaS
10 143 (3.27%) PaaS
11 126 (2.88%) GitHub
12 124 (2.84%) AWS Lambda
13 116 (2.65%) Cloud Computing
14 95 (2.17%) Virtual Private Cloud
15 94 (2.15%) Amazon CloudWatch
16 82 (1.88%) OpenShift
17 57 (1.30%) Amazon EKS
18 53 (1.21%) Amazon ECS
18 53 (1.21%) Route 53
Communications & Networking
1 414 (9.47%) Firewall
2 326 (7.45%) TCP/IP
3 253 (5.79%) DNS
4 167 (3.82%) HTTP
5 132 (3.02%) VPN
6 129 (2.95%) DHCP
7 126 (2.88%) WAN
8 124 (2.84%) LAN
9 122 (2.79%) SAN
10 108 (2.47%) Internet
11 63 (1.44%) SSL
12 61 (1.39%) Network Security
13 59 (1.35%) Wireshark
14 53 (1.21%) IPsec
14 53 (1.21%) Wireless
15 50 (1.14%) VLAN
16 42 (0.96%) Multicast
17 41 (0.94%) HTTPS
18 40 (0.91%) VoIP
19 38 (0.87%) SMTP
Database & Business Intelligence
1 363 (8.30%) MySQL
2 339 (7.75%) SQL Server
3 328 (7.50%) PostgreSQL
4 280 (6.40%) NoSQL
5 254 (5.81%) Big Data
6 208 (4.76%) Relational Database
7 168 (3.84%) MongoDB
8 160 (3.66%) Hadoop
9 159 (3.64%) Amazon RDS
10 106 (2.42%) Redis
11 98 (2.24%) Oracle Database
12 97 (2.22%) Apache Cassandra
13 86 (1.97%) Blockchain
14 78 (1.78%) RDBMS
15 65 (1.49%) Apache Hive
16 53 (1.21%) Data Warehouse
17 39 (0.89%) Amazon DynamoDB
17 39 (0.89%) KDB
18 37 (0.85%) Oracle Database 12c
19 33 (0.75%) BigQuery
Development Applications
1 740 (16.92%) Git (software)
2 695 (15.89%) Jenkins
3 338 (7.73%) JIRA
4 137 (3.13%) TeamCity
5 113 (2.58%) GitLab
6 104 (2.38%) Octopus Deploy
7 95 (2.17%) Maven
8 85 (1.94%) Bitbucket
9 82 (1.88%) Atlassian Bamboo
10 81 (1.85%) Subversion
11 68 (1.55%) Selenium
11 68 (1.55%) Vagrant
12 56 (1.28%) Team Foundation Server
13 54 (1.23%) JMeter
14 50 (1.14%) Artifactory
15 44 (1.01%) Gradle
15 44 (1.01%) SonarQube
15 44 (1.01%) Sonatype Nexus
16 40 (0.91%) JUnit
17 39 (0.89%) Metasploit
General
1 1,365 (31.21%) Finance
2 372 (8.51%) Banking
3 147 (3.36%) Front Office
4 143 (3.27%) Games
5 117 (2.68%) Marketing
6 114 (2.61%) Public Sector
7 103 (2.36%) Retail
8 70 (1.60%) Telecoms
9 68 (1.55%) Financial Institution
10 62 (1.42%) Law
11 58 (1.33%) Back Office
12 57 (1.30%) Investment Banking
13 39 (0.89%) Billing
14 31 (0.71%) Advertising
15 26 (0.59%) Legal
16 25 (0.57%) International Banking
17 22 (0.50%) Automotive
18 18 (0.41%) Electronics
19 17 (0.39%) Manufacturing
20 16 (0.37%) French Language
Job Titles
1 973 (22.25%) Developer
2 798 (18.25%) DevOps Engineer
3 321 (7.34%) Java Developer
4 250 (5.72%) Senior Developer
5 244 (5.58%) Software Engineer
6 227 (5.19%) AWS Engineer
7 222 (5.08%) Analyst
8 216 (4.94%) Linux Engineer
9 193 (4.41%) Infrastructure Engineer
10 183 (4.18%) Cloud Engineer
11 182 (4.16%) Support Engineer
12 178 (4.07%) Senior DevOps
13 163 (3.73%) Junior
14 157 (3.59%) Senior DevOps Engineer
15 154 (3.52%) Administrator
16 152 (3.48%) Python Developer
17 146 (3.34%) Applications Support
18 145 (3.32%) Architect
19 142 (3.25%) Python Engineer
20 135 (3.09%) AWS DevOps
Libraries, Frameworks & Software Standards
1 296 (6.77%) Node.js
2 293 (6.70%) CSS
3 277 (6.33%) HTML
4 269 (6.15%) Kafka
4 269 (6.15%) REST
5 248 (5.67%) Web Services
6 221 (5.05%) Spring
7 215 (4.92%) .NET
8 214 (4.89%) Elastic Stack
9 193 (4.41%) RESTful
10 166 (3.80%) React
11 138 (3.16%) XML
12 111 (2.54%) AngularJS
13 103 (2.36%) LAMP
13 103 (2.36%) Middleware
14 96 (2.20%) JSON
15 95 (2.17%) Django
16 88 (2.01%) LDAP
17 86 (1.97%) RabbitMQ
18 84 (1.92%) Spring Boot
Miscellaneous
1 277 (6.33%) Analytical Skills
2 276 (6.31%) Data Centre
3 240 (5.49%) Public Cloud
4 209 (4.78%) Linux Command Line
5 156 (3.57%) Hedge funds
6 130 (2.97%) Management Information System
7 129 (2.95%) Algorithms
8 126 (2.88%) Self-Motivation
9 121 (2.77%) Greenfield Project
10 111 (2.54%) Data Structures
11 100 (2.29%) Fixed Income
12 93 (2.13%) Enterprise Software
13 87 (1.99%) Derivative
13 87 (1.99%) User Experience
14 77 (1.76%) Mobile App
15 76 (1.74%) Cloud Native
15 76 (1.74%) Equities
16 68 (1.55%) Private Cloud
17 60 (1.37%) Hybrid Cloud
18 56 (1.28%) Replication
Operating Systems
1 1,411 (32.27%) Windows
2 904 (20.67%) Unix
3 299 (6.84%) Windows Server
4 295 (6.75%) CentOS
5 278 (6.36%) Red Hat Enterprise Linux
6 169 (3.86%) Ubuntu
7 161 (3.68%) Android
7 161 (3.68%) Apple iOS
8 141 (3.22%) Mac OS X
9 85 (1.94%) Windows Server 2008
10 83 (1.90%) Windows Server 2012
11 77 (1.76%) Windows 7
12 76 (1.74%) Windows 10
13 70 (1.60%) Solaris
14 46 (1.05%) Debian
15 44 (1.01%) Mac OS
16 37 (0.85%) Kali Linux
17 33 (0.75%) Fedora
17 33 (0.75%) Oracle Linux
18 25 (0.57%) VMS
Processes & Methodologies
1 1,557 (35.60%) DevOps
2 1,207 (27.60%) Agile Software Development
3 579 (13.24%) Software Engineering
4 481 (11.00%) Problem-Solving
5 477 (10.91%) Fintech
6 472 (10.79%) Microservices
7 440 (10.06%) Configuration Management
8 410 (9.38%) Open Source
9 389 (8.90%) Test Automation
10 386 (8.83%) Computer Science
11 383 (8.76%) TDD
12 382 (8.74%) Continuous Integration
12 382 (8.74%) Infrastructure as Code
13 315 (7.20%) Infrastructure Engineering
14 279 (6.38%) Analytics
14 279 (6.38%) ITIL
15 266 (6.08%) Migration
16 264 (6.04%) Scrum
17 247 (5.65%) Mentoring
18 242 (5.53%) OO
Programming Languages
1 1,786 (40.84%) Python
2 1,253 (28.65%) Java
3 989 (22.62%) SQL
4 694 (15.87%) Bash Shell
5 558 (12.76%) JavaScript
6 456 (10.43%) PowerShell
7 398 (9.10%) C++
8 397 (9.08%) Ruby
9 334 (7.64%) C#
10 295 (6.75%) Perl
11 285 (6.52%) Go
12 214 (4.89%) Shell Script
13 199 (4.55%) C
14 190 (4.34%) PHP
15 147 (3.36%) Java 8
16 137 (3.13%) Scala
17 103 (2.36%) PL/SQL
18 76 (1.74%) Kotlin
19 51 (1.17%) T-SQL
20 47 (1.07%) Groovy
Qualifications
1 519 (11.87%) Degree
2 193 (4.41%) Computer Science Degree
3 130 (2.97%) Cisco Certification
4 101 (2.31%) Microsoft Certification
5 96 (2.20%) Security Cleared
6 79 (1.81%) CCNA
7 77 (1.76%) SC Cleared
8 73 (1.67%) CISSP
9 64 (1.46%) CCNP
10 61 (1.39%) MCSE
11 54 (1.23%) AWS Certification
12 43 (0.98%) PhD
13 42 (0.96%) CISM
13 42 (0.96%) MCP
14 38 (0.87%) MCSA
15 36 (0.82%) Master's Degree
16 32 (0.73%) RHCE
17 28 (0.64%) SANS
18 26 (0.59%) OSCP
19 24 (0.55%) GIAC
Quality Assurance & Compliance
1 319 (7.29%) QA
2 78 (1.78%) SLA
3 57 (1.30%) ISO/IEC 27001
4 42 (0.96%) PCI DSS
5 38 (0.87%) Data Quality
6 30 (0.69%) GDPR
7 16 (0.37%) ISO/IEC 20000
8 15 (0.34%) IFRS
9 7 (0.16%) NCSC
10 5 (0.11%) Government Security Classifications
10 5 (0.11%) NIST
11 4 (0.091%) Cyber Essentials
12 3 (0.069%) EMIR
12 3 (0.069%) MiFID
13 2 (0.046%) Cyber Essentials PLUS
13 2 (0.046%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
13 2 (0.046%) JTAG
14 1 (0.023%) FINRA
14 1 (0.023%) NIST 800
14 1 (0.023%) PMO
System Software
1 1,233 (28.20%) Docker
2 303 (6.93%) Active Directory
3 267 (6.11%) VMware Infrastructure
4 84 (1.92%) VMware ESXi
5 83 (1.90%) Hyper-V
6 78 (1.78%) vSphere
7 73 (1.67%) Virtual Machines
8 52 (1.19%) Apache ZooKeeper
9 49 (1.12%) XenApp
10 38 (0.87%) HDFS
11 37 (0.85%) Firmware
12 28 (0.64%) NFS
13 23 (0.53%) Xen
14 22 (0.50%) LXC
15 21 (0.48%) Virtual Servers
16 16 (0.37%) KVM
17 13 (0.30%) Oracle RAC
18 12 (0.27%) VMware Workstation
19 11 (0.25%) Apache Flume
19 11 (0.25%) BIND 9
Systems Management
1 949 (21.70%) Kubernetes
2 917 (20.97%) Ansible
3 697 (15.94%) Terraform
4 660 (15.09%) Puppet
5 447 (10.22%) Opscode Chef
6 120 (2.74%) Nagios
7 119 (2.72%) Grafana
8 117 (2.68%) Packer
9 103 (2.36%) Prometheus
10 97 (2.22%) Salt
11 85 (1.94%) Mesos
12 75 (1.72%) Consul
13 65 (1.49%) SCCM
14 63 (1.44%) Nessus
14 63 (1.44%) ZABBIX
15 59 (1.35%) Docker Swarm
16 47 (1.07%) Marathon
17 44 (1.01%) Rancher
18 35 (0.80%) Tivoli
19 34 (0.78%) Graphite
Vendors
1 472 (10.79%) VMware
2 460 (10.52%) Microsoft
3 453 (10.36%) Oracle
4 381 (8.71%) Red Hat
5 228 (5.21%) Google
6 202 (4.62%) Cisco
7 139 (3.18%) Splunk
8 122 (2.79%) Citrix
9 99 (2.26%) IBM
10 98 (2.24%) Atlassian
11 90 (2.06%) HP
12 79 (1.81%) ServiceNow
13 55 (1.26%) WorldPay
14 51 (1.17%) NetApp
15 49 (1.12%) Dell
16 48 (1.10%) Informatica
17 47 (1.07%) Bloomberg
17 47 (1.07%) Juniper
17 47 (1.07%) Sybase
18 40 (0.91%) F5