Period
to 6 December 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 6 December 2019 with a comparison to the same period in the previous 2 years.

Linux
England > London
6 months to
6 Dec 2019
Same period 2018 Same period 2017
Rank 21 19 16
Rank change year-on-year -2 -3 -1
Permanent jobs citing Linux 4,856 6,963 8,363
As % of all permanent IT jobs advertised in London 8.96% 10.36% 11.19%
As % of the Operating Systems category 41.81% 45.87% 45.15%
Number of salaries quoted 3,797 5,695 6,433
London median annual salary £67,500 £65,000 £60,000
Median salary % change year-on-year +3.85% +8.33% +3.45%
10th Percentile £38,750 £40,000 £36,250
90th Percentile £105,000 £95,000 £90,000
England median annual salary £55,000 £55,000 £50,000
% change year-on-year - +10.00% -

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 11,615 15,180 18,522
As % of all permanent IT jobs advertised in London 21.44% 22.60% 24.77%
Number of salaries quoted 9,460 12,598 14,432
London median annual salary £57,500 £58,875 £55,000
Median salary % change year-on-year -2.34% +7.05% -
10th Percentile £28,500 £30,000 £30,000
90th Percentile £92,500 £90,000 £85,000
England median annual salary £45,000 £47,500 £45,000
% change year-on-year -5.26% +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 6 December 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 6 December 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 -2 1,129 £72,500 +7.41% 287
West London +5 272 £60,000 +4.35% 117
South London -1 174 £62,500 +11.11% 36
East London +6 98 £65,000 +16.07% 58
North London -5 22 £49,249 +9.44% 7
Linux
England

For the 6 months to 6 December 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 2,064 (42.50%) Python
2 1,897 (39.07%) AWS
3 1,771 (36.47%) DevOps
4 1,646 (33.90%) Windows
5 1,410 (29.04%) Finance
6 1,383 (28.48%) Docker
7 1,350 (27.80%) Agile Software Development
8 1,338 (27.55%) Java
9 1,136 (23.39%) Ansible
10 1,037 (21.36%) Kubernetes
11 1,008 (20.76%) SQL
12 996 (20.51%) Unix
13 977 (20.12%) Azure
14 894 (18.41%) Puppet
15 890 (18.33%) Bash Shell
16 825 (16.99%) Terraform
17 813 (16.74%) Jenkins
18 719 (14.81%) Git (software)
19 670 (13.80%) Opscode Chef
20 633 (13.04%) GCP
21 626 (12.89%) Degree
22 584 (12.03%) JavaScript
23 581 (11.96%) Software Engineering
24 538 (11.08%) Problem-Solving
25 524 (10.79%) PowerShell
26 521 (10.73%) Fintech
27 508 (10.46%) Configuration Management
28 496 (10.21%) VMware
29 488 (10.05%) Microsoft
30 478 (9.84%) Microservices

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
1 265 (5.46%) Apache
2 231 (4.76%) Apache Spark
3 162 (3.34%) Elasticsearch
4 146 (3.01%) Tomcat
5 145 (2.99%) IIS
6 136 (2.80%) nginx
7 127 (2.62%) Confluence
8 74 (1.52%) OpenStack
9 67 (1.38%) MS Exchange
10 50 (1.03%) WebSphere
11 48 (0.99%) SharePoint
12 44 (0.91%) Apache Airflow
13 31 (0.64%) JBoss
14 25 (0.51%) CMS
15 24 (0.49%) WordPress
16 20 (0.41%) WebLogic
17 18 (0.37%) Drupal
18 17 (0.35%) Skype for Business
19 14 (0.29%) Exchange Server 2010
19 14 (0.29%) Luigi
Applications
1 70 (1.44%) Microsoft Office
2 20 (0.41%) Microsoft Excel
3 9 (0.19%) Microsoft PowerPoint
3 9 (0.19%) NUKE
3 9 (0.19%) Photoshop
4 8 (0.16%) MS Visio
5 5 (0.10%) Maya
6 3 (0.062%) Adobe Illustrator
6 3 (0.062%) HipChat
6 3 (0.062%) InDesign
6 3 (0.062%) Spreadsheet
7 2 (0.041%) Acrobat
7 2 (0.041%) Houdini
7 2 (0.041%) Mozilla Thunderbird
8 1 (0.021%) Adobe Creative Suite
8 1 (0.021%) Adobe Premiere
8 1 (0.021%) Chatbot
8 1 (0.021%) Gliffy
8 1 (0.021%) MODO
8 1 (0.021%) Windchill
Business Applications
1 18 (0.37%) Oracle EBS
2 17 (0.35%) Oracle ERP
3 13 (0.27%) R3 Corda
4 12 (0.25%) Distributed Ledger
5 11 (0.23%) Documaker
6 9 (0.19%) Shopify
7 7 (0.14%) Magento
8 6 (0.12%) Markit EDM
9 5 (0.10%) Dynamics CRM
9 5 (0.10%) Eikon
10 4 (0.082%) MetaTrader
10 4 (0.082%) Salerio
10 4 (0.082%) SAP Business One
11 3 (0.062%) Oracle BPM
11 3 (0.062%) Payment Gateway
11 3 (0.062%) Salesforce.com CRM
11 3 (0.062%) SnowdropKCS
11 3 (0.062%) Summit
12 2 (0.041%) Oracle Applications
12 2 (0.041%) PeopleSoft Financials
Cloud Services
1 1,897 (39.07%) AWS
2 977 (20.12%) Azure
3 633 (13.04%) GCP
4 259 (5.33%) AWS CloudFormation
5 215 (4.43%) SaaS
6 187 (3.85%) Amazon EC2
7 186 (3.83%) Office 365
8 178 (3.67%) Serverless
9 169 (3.48%) Amazon S3
10 166 (3.42%) GitHub
11 159 (3.27%) IaaS
12 150 (3.09%) PaaS
13 149 (3.07%) AWS Lambda
14 127 (2.62%) Cloud Computing
15 106 (2.18%) Virtual Private Cloud
16 91 (1.87%) Amazon CloudWatch
17 87 (1.79%) Amazon ECS
17 87 (1.79%) OpenShift
18 62 (1.28%) Amazon EKS
19 49 (1.01%) Datadog
Communications & Networking
1 446 (9.18%) Firewall
2 342 (7.04%) TCP/IP
3 292 (6.01%) DNS
4 183 (3.77%) HTTP
5 171 (3.52%) VPN
6 154 (3.17%) DHCP
7 152 (3.13%) LAN
8 148 (3.05%) WAN
9 122 (2.51%) SAN
10 120 (2.47%) Internet
11 95 (1.96%) Network Security
12 73 (1.50%) Wireless
13 68 (1.40%) SSL
14 59 (1.21%) Intrusion Detection
15 58 (1.19%) Multicast
16 54 (1.11%) SNMP
17 52 (1.07%) Wireshark
18 50 (1.03%) BGP
19 47 (0.97%) SMTP
20 45 (0.93%) OSPF
Database & Business Intelligence
1 405 (8.34%) MySQL
2 367 (7.56%) SQL Server
3 343 (7.06%) PostgreSQL
4 314 (6.47%) Big Data
5 286 (5.89%) NoSQL
6 243 (5.00%) Relational Database
7 219 (4.51%) Hadoop
8 161 (3.32%) MongoDB
9 157 (3.23%) Amazon RDS
10 133 (2.74%) Apache Cassandra
11 131 (2.70%) Apache Hive
11 131 (2.70%) Oracle Database
12 101 (2.08%) Redis
13 90 (1.85%) Blockchain
14 77 (1.59%) RDBMS
15 70 (1.44%) Amazon DynamoDB
16 61 (1.26%) Data Warehouse
17 52 (1.07%) Oracle Database 12c
18 39 (0.80%) BigQuery
18 39 (0.80%) SQL Server 2012
Development Applications
1 813 (16.74%) Jenkins
2 719 (14.81%) Git (software)
3 326 (6.71%) JIRA
4 184 (3.79%) TeamCity
5 160 (3.29%) Octopus Deploy
6 126 (2.59%) Atlassian Bamboo
7 123 (2.53%) GitLab
8 118 (2.43%) Subversion
9 106 (2.18%) Maven
10 103 (2.12%) Team Foundation Server
11 102 (2.10%) Bitbucket
12 98 (2.02%) Selenium
13 79 (1.63%) Vagrant
14 72 (1.48%) JMeter
15 65 (1.34%) Travis CI
16 56 (1.15%) SonarQube
17 53 (1.09%) Gradle
18 52 (1.07%) Cucumber
18 52 (1.07%) IBM UrbanCode
18 52 (1.07%) LoadRunner
General
1 1,410 (29.04%) Finance
2 421 (8.67%) Banking
3 137 (2.82%) Front Office
4 133 (2.74%) Games
5 117 (2.41%) Retail
6 107 (2.20%) Marketing
7 97 (2.00%) Public Sector
8 95 (1.96%) Telecoms
9 86 (1.77%) Investment Banking
10 73 (1.50%) Law
11 52 (1.07%) Advertising
11 52 (1.07%) Back Office
12 50 (1.03%) Financial Institution
13 34 (0.70%) Billing
14 28 (0.58%) Legal
15 19 (0.39%) Automotive
16 16 (0.33%) International Banking
17 15 (0.31%) Manufacturing
18 14 (0.29%) Publishing
19 13 (0.27%) French Language
Job Titles
1 1,029 (21.19%) Developer
2 987 (20.33%) DevOps Engineer
3 328 (6.75%) Java Developer
4 313 (6.45%) Linux Engineer
5 302 (6.22%) AWS Engineer
6 242 (4.98%) Senior DevOps
7 237 (4.88%) Analyst
8 236 (4.86%) Administrator
9 229 (4.72%) Cloud Engineer
10 225 (4.63%) Senior Developer
11 223 (4.59%) Senior DevOps Engineer
12 215 (4.43%) Software Engineer
13 197 (4.06%) Python Developer
14 196 (4.04%) Support Engineer
15 193 (3.97%) AWS DevOps
16 189 (3.89%) Systems Administrator
17 183 (3.77%) AWS DevOps Engineer
18 171 (3.52%) Infrastructure Engineer
19 167 (3.44%) Architect
19 167 (3.44%) Python Engineer
Libraries, Frameworks & Software Standards
1 355 (7.31%) Node.js
2 301 (6.20%) Web Services
3 294 (6.05%) Kafka
4 249 (5.13%) HTML
5 248 (5.11%) Elastic Stack
6 238 (4.90%) CSS
7 233 (4.80%) .NET
8 213 (4.39%) Spring
9 195 (4.02%) REST
10 181 (3.73%) React
11 145 (2.99%) LAMP
12 138 (2.84%) RESTful
13 133 (2.74%) AngularJS
14 122 (2.51%) XML
15 109 (2.24%) Middleware
16 108 (2.22%) JSON
17 102 (2.10%) LDAP
18 98 (2.02%) Spring Boot
19 88 (1.81%) Django
20 85 (1.75%) RabbitMQ
Miscellaneous
1 318 (6.55%) Analytical Skills
2 281 (5.79%) Data Centre
3 240 (4.94%) Public Cloud
4 211 (4.35%) Linux Command Line
5 182 (3.75%) Hedge funds
6 159 (3.27%) Greenfield Project
7 155 (3.19%) Algorithms
8 151 (3.11%) Self-Motivation
9 140 (2.88%) Management Information System
10 136 (2.80%) Fixed Income
11 100 (2.06%) Enterprise Software
12 99 (2.04%) Data Structures
13 91 (1.87%) User Experience
14 88 (1.81%) Equities
15 84 (1.73%) Private Cloud
15 84 (1.73%) Replication
16 76 (1.57%) Clustering
17 72 (1.48%) Cloud Native
18 61 (1.26%) Hybrid Cloud
19 60 (1.24%) Derivative
Operating Systems
1 1,646 (33.90%) Windows
2 996 (20.51%) Unix
3 347 (7.15%) Windows Server
4 293 (6.03%) Red Hat Enterprise Linux
5 292 (6.01%) CentOS
6 195 (4.02%) Ubuntu
7 99 (2.04%) Windows Server 2012
8 90 (1.85%) Apple iOS
9 89 (1.83%) Android
10 88 (1.81%) Solaris
11 87 (1.79%) Windows Server 2008
12 83 (1.71%) Mac OS
12 83 (1.71%) Mac OS X
13 78 (1.61%) Windows 10
14 67 (1.38%) Windows 7
15 56 (1.15%) Debian
16 35 (0.72%) Kali Linux
17 32 (0.66%) Windows 8
18 31 (0.64%) Mesosphere
19 23 (0.47%) CoreOS
Processes & Methodologies
1 1,771 (36.47%) DevOps
2 1,350 (27.80%) Agile Software Development
3 581 (11.96%) Software Engineering
4 538 (11.08%) Problem-Solving
5 521 (10.73%) Fintech
6 508 (10.46%) Configuration Management
7 478 (9.84%) Microservices
8 471 (9.70%) Continuous Integration
9 456 (9.39%) Computer Science
10 451 (9.29%) Infrastructure as Code
11 431 (8.88%) Open Source
12 399 (8.22%) Test Automation
13 346 (7.13%) Scrum
14 323 (6.65%) Cybersecurity
15 322 (6.63%) TDD
16 314 (6.47%) ITIL
17 307 (6.32%) Migration
18 299 (6.16%) Analytics
19 291 (5.99%) Infrastructure Engineering
20 286 (5.89%) SDLC
Programming Languages
1 2,064 (42.50%) Python
2 1,338 (27.55%) Java
3 1,008 (20.76%) SQL
4 890 (18.33%) Bash Shell
5 584 (12.03%) JavaScript
6 524 (10.79%) PowerShell
7 446 (9.18%) C++
8 431 (8.88%) Ruby
9 368 (7.58%) C#
10 338 (6.96%) Go
11 318 (6.55%) Perl
12 243 (5.00%) Shell Script
13 242 (4.98%) PHP
14 181 (3.73%) C
15 176 (3.62%) Scala
16 132 (2.72%) Java 8
17 84 (1.73%) PL/SQL
18 69 (1.42%) TypeScript
19 67 (1.38%) T-SQL
20 62 (1.28%) Kotlin
Qualifications
1 626 (12.89%) Degree
2 241 (4.96%) Computer Science Degree
3 144 (2.97%) Cisco Certification
4 99 (2.04%) Microsoft Certification
5 98 (2.02%) CCNA
6 93 (1.92%) Security Cleared
7 82 (1.69%) SC Cleared
8 76 (1.57%) CISSP
9 74 (1.52%) CCNP
10 67 (1.38%) AWS Certification
11 57 (1.17%) MCSE
12 54 (1.11%) Master's Degree
13 48 (0.99%) CISM
14 41 (0.84%) MCP
15 39 (0.80%) CISA
16 33 (0.68%) PhD
16 33 (0.68%) RHCE
17 30 (0.62%) JNCIP
18 26 (0.54%) MCSA
19 25 (0.51%) ITIL Certification
Quality Assurance & Compliance
1 411 (8.46%) QA
2 85 (1.75%) SLA
3 74 (1.52%) ISO/IEC 27001
4 51 (1.05%) GDPR
5 50 (1.03%) Data Quality
6 39 (0.80%) PCI DSS
7 21 (0.43%) ISO/IEC 20000
8 15 (0.31%) IFRS
9 8 (0.16%) MiFID
10 4 (0.082%) NIST
11 3 (0.062%) EMIR
11 3 (0.062%) HL7
11 3 (0.062%) NCSC
12 2 (0.041%) Cyber Essentials
12 2 (0.041%) JTAG
13 1 (0.021%) COBIT
13 1 (0.021%) Cyber Essentials PLUS
13 1 (0.021%) Government Security Classifications
13 1 (0.021%) PMO
13 1 (0.021%) Sarbanes-Oxley
System Software
1 1,383 (28.48%) Docker
2 383 (7.89%) Active Directory
3 251 (5.17%) VMware Infrastructure
4 98 (2.02%) Hyper-V
5 88 (1.81%) vSphere
6 78 (1.61%) VMware ESXi
7 66 (1.36%) Virtual Machines
8 57 (1.17%) HDFS
9 55 (1.13%) XenApp
10 40 (0.82%) Apache ZooKeeper
11 38 (0.78%) Firmware
12 29 (0.60%) Varnish
13 27 (0.56%) Xen
14 26 (0.54%) NFS
15 19 (0.39%) KVM
16 17 (0.35%) iptables
16 17 (0.35%) Oracle RAC
17 16 (0.33%) BIND 9
18 14 (0.29%) etcd
19 13 (0.27%) VMware Workstation
Systems Management
1 1,136 (23.39%) Ansible
2 1,037 (21.36%) Kubernetes
3 894 (18.41%) Puppet
4 825 (16.99%) Terraform
5 670 (13.80%) Opscode Chef
6 139 (2.86%) Nagios
7 129 (2.66%) Packer
8 128 (2.64%) Consul
9 122 (2.51%) Prometheus
9 122 (2.51%) Salt
10 120 (2.47%) Grafana
11 83 (1.71%) Nessus
12 76 (1.57%) ZABBIX
13 73 (1.50%) Docker Swarm
14 69 (1.42%) SCCM
15 61 (1.26%) Rancher
16 59 (1.21%) Graphite
17 55 (1.13%) Mesos
18 53 (1.09%) Kibana
19 44 (0.91%) Automic
Vendors
1 496 (10.21%) VMware
2 488 (10.05%) Microsoft
3 465 (9.58%) Oracle
4 401 (8.26%) Red Hat
5 335 (6.90%) Google
6 256 (5.27%) Cisco
7 205 (4.22%) Splunk
8 141 (2.90%) Citrix
9 129 (2.66%) IBM
10 98 (2.02%) HP
11 87 (1.79%) ServiceNow
12 76 (1.57%) Atlassian
13 71 (1.46%) AppDynamics
14 64 (1.32%) SolarWinds
15 63 (1.30%) Juniper
16 62 (1.28%) Palo Alto
17 56 (1.15%) Salesforce.com
18 54 (1.11%) Apple
19 52 (1.07%) Informatica
20 51 (1.05%) WorldPay