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

Linux
England > London
6 months to
2 Jul 2020
Same period 2019 Same period 2018
Rank 24 18 17
Rank change year-on-year -6 -1 -1
Permanent jobs citing Linux 2,919 5,828 7,557
As % of all permanent jobs advertised in London 8.85% 9.97% 10.59%
As % of the Operating Systems category 45.67% 45.92% 45.67%
Number of salaries quoted 2,494 5,187 6,299
Median annual salary £67,500 £65,000 £65,000
Median salary % change year-on-year +3.85% - +8.33%
10th Percentile £41,250 £38,750 £40,000
90th Percentile £96,250 £102,500 £92,500
England median annual salary £55,000 £55,000 £52,500
% change year-on-year - +4.76% +5.00%

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 6,391 12,693 16,546
As % of all permanent IT jobs advertised in London 19.38% 21.71% 23.19%
Number of salaries quoted 5,227 10,604 13,619
Median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £32,500 £30,000 £30,500
90th Percentile £93,750 £91,250 £86,250
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 2 July 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 2 July 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 +3 801 £70,000 - 107
West London +16 167 £55,000 -4.35% 33
South London 0 102 £65,000 +18.18% 16
East London -21 20 £70,000 +27.27% 9
North London -20 6 £45,000 -30.77% 2
Linux
England

For the 6 months to 2 July 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 1,198 (41.04%) Python
2 1,033 (35.39%) DevOps
3 997 (34.16%) AWS
4 906 (31.04%) Windows
5 851 (29.15%) Finance
6 801 (27.44%) Java
7 779 (26.69%) Docker
8 740 (25.35%) Agile Software Development
9 678 (23.23%) SQL
10 616 (21.10%) Kubernetes
11 604 (20.69%) Unix
12 586 (20.08%) Ansible
13 560 (19.18%) Azure
14 530 (18.16%) Git (software)
15 495 (16.96%) Terraform
16 457 (15.66%) Bash Shell
17 429 (14.70%) JavaScript
18 420 (14.39%) Jenkins
19 384 (13.16%) Software Engineering
20 351 (12.02%) VMware
21 316 (10.83%) Microsoft
22 310 (10.62%) Problem-Solving
23 307 (10.52%) Microservices
24 302 (10.35%) Oracle
25 295 (10.11%) Degree
26 292 (10.00%) Configuration Management
26 292 (10.00%) Puppet
27 289 (9.90%) GCP
28 287 (9.83%) Firewall
29 282 (9.66%) 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
1 176 (6.03%) Apache
2 135 (4.62%) Tomcat
3 108 (3.70%) Confluence
4 94 (3.22%) Elasticsearch
5 70 (2.40%) nginx
6 69 (2.36%) Apache Spark
7 60 (2.06%) IIS
8 42 (1.44%) WebSphere
9 28 (0.96%) OpenStack
10 23 (0.79%) MS Exchange
11 22 (0.75%) SAS
12 21 (0.72%) JBoss
13 18 (0.62%) SharePoint
14 17 (0.58%) WebLogic
15 16 (0.55%) IBM Transformation Extender
16 12 (0.41%) Apache Solr
16 12 (0.41%) Cloud Foundry
16 12 (0.41%) WordPress
17 11 (0.38%) CMS
17 11 (0.38%) MQSeries
Applications
1 39 (1.34%) Microsoft Office
2 38 (1.30%) Microsoft Excel
3 18 (0.62%) Microsoft PowerPoint
4 13 (0.45%) MS Visio
5 7 (0.24%) Gliffy
6 3 (0.10%) Windchill
7 2 (0.069%) Adobe Premiere
8 1 (0.034%) Photoshop
8 1 (0.034%) Spreadsheet
Business Applications
1 18 (0.62%) Salerio
2 9 (0.31%) Dynamics CRM
2 9 (0.31%) Remedy ITSM
3 5 (0.17%) Magento
3 5 (0.17%) Oracle Applications
3 5 (0.17%) Salesforce.com CRM
4 4 (0.14%) Dynamics AX
4 4 (0.14%) Eikon
4 4 (0.14%) Markit EDM
4 4 (0.14%) Oracle EBS
4 4 (0.14%) Refinitiv Enterprise Platform
4 4 (0.14%) Sentinel
5 3 (0.10%) Oracle EBS R12
6 2 (0.069%) Elite 3E
6 2 (0.069%) R3 Corda
6 2 (0.069%) Rolfe and Nolan
6 2 (0.069%) thinkFolio
7 1 (0.034%) Oracle General Ledger
7 1 (0.034%) RMDS
7 1 (0.034%) Temenos T24
Cloud Services
1 997 (34.16%) AWS
2 560 (19.18%) Azure
3 289 (9.90%) GCP
4 141 (4.83%) Office 365
5 137 (4.69%) SaaS
6 105 (3.60%) Serverless
7 102 (3.49%) PaaS
8 99 (3.39%) Amazon EC2
9 97 (3.32%) AWS CloudFormation
10 93 (3.19%) GitHub
11 91 (3.12%) IaaS
12 67 (2.30%) Amazon S3
13 56 (1.92%) Amazon CloudWatch
14 55 (1.88%) Cloud Computing
15 54 (1.85%) AWS Lambda
16 44 (1.51%) Azure Active Directory
16 44 (1.51%) OpenShift
17 43 (1.47%) Amazon ECS
18 38 (1.30%) Virtual Private Cloud
19 30 (1.03%) Datadog
Communications & Networking
1 287 (9.83%) Firewall
2 244 (8.36%) TCP/IP
3 181 (6.20%) DNS
4 112 (3.84%) HTTP
5 99 (3.39%) VPN
6 93 (3.19%) Network Security
6 93 (3.19%) SAN
7 83 (2.84%) DHCP
8 74 (2.54%) Internet
9 66 (2.26%) Wireshark
10 60 (2.06%) VoIP
11 51 (1.75%) WAN
12 46 (1.58%) LAN
13 44 (1.51%) SSH
14 43 (1.47%) FTP
15 40 (1.37%) Wireless
16 38 (1.30%) SSL
17 37 (1.27%) IPsec
18 36 (1.23%) Multicast
19 31 (1.06%) BGP
Database & Business Intelligence
1 259 (8.87%) SQL Server
2 237 (8.12%) NoSQL
3 217 (7.43%) MySQL
4 212 (7.26%) PostgreSQL
5 155 (5.31%) MongoDB
6 152 (5.21%) Relational Database
7 115 (3.94%) Big Data
8 87 (2.98%) Hadoop
9 78 (2.67%) Amazon RDS
10 77 (2.64%) RDBMS
10 77 (2.64%) Redis
11 73 (2.50%) Apache Cassandra
12 63 (2.16%) Oracle Database
13 45 (1.54%) Blockchain
14 29 (0.99%) Data Warehouse
15 23 (0.79%) Oracle Database 12c
16 22 (0.75%) Looker
17 20 (0.69%) Amazon DynamoDB
18 18 (0.62%) Neo4j
18 18 (0.62%) Oracle Reports
Development Applications
1 530 (18.16%) Git (software)
2 420 (14.39%) Jenkins
3 226 (7.74%) JIRA
4 92 (3.15%) GitLab
5 83 (2.84%) Atlassian Bamboo
6 75 (2.57%) Bitbucket
7 60 (2.06%) Sonatype Nexus
8 53 (1.82%) TeamCity
9 49 (1.68%) Maven
10 38 (1.30%) Vagrant
11 37 (1.27%) Selenium
12 34 (1.16%) Artifactory
13 28 (0.96%) git-flow
14 26 (0.89%) Subversion
15 25 (0.86%) Octopus Deploy
16 23 (0.79%) Gradle
16 23 (0.79%) webpack
17 19 (0.65%) Team Foundation Server
18 16 (0.55%) SonarQube
19 15 (0.51%) Gerrit
General
1 851 (29.15%) Finance
2 201 (6.89%) Banking
3 107 (3.67%) Front Office
4 79 (2.71%) Public Sector
5 76 (2.60%) Games
5 76 (2.60%) Retail
6 67 (2.30%) Telecoms
7 66 (2.26%) Marketing
8 55 (1.88%) Back Office
9 45 (1.54%) Financial Institution
10 39 (1.34%) Investment Banking
11 37 (1.27%) Law
12 25 (0.86%) Legal
13 15 (0.51%) Automotive
14 14 (0.48%) Electronics
15 12 (0.41%) Advertising
16 10 (0.34%) Billing
16 10 (0.34%) International Banking
17 9 (0.31%) Manufacturing
18 7 (0.24%) Pharmaceutical
Job Titles
1 672 (23.02%) Developer
2 517 (17.71%) DevOps Engineer
3 206 (7.06%) Java Developer
4 204 (6.99%) Senior Developer
5 174 (5.96%) Analyst
6 149 (5.10%) Applications Support
7 148 (5.07%) Software Engineer
8 135 (4.62%) AWS Engineer
9 134 (4.59%) Infrastructure Engineer
9 134 (4.59%) Linux Engineer
10 129 (4.42%) Administrator
11 121 (4.15%) Support Analyst
12 113 (3.87%) Cloud Engineer
13 110 (3.77%) Support Engineer
14 105 (3.60%) AWS DevOps
15 102 (3.49%) Junior
16 97 (3.32%) Python Developer
17 96 (3.29%) Architect
18 91 (3.12%) Network Engineer
18 91 (3.12%) Senior DevOps
Libraries, Frameworks & Software Standards
1 205 (7.02%) CSS
2 198 (6.78%) HTML
3 195 (6.68%) Node.js
4 190 (6.51%) .NET
5 167 (5.72%) Kafka
6 162 (5.55%) REST
7 153 (5.24%) Web Services
8 145 (4.97%) Spring
9 136 (4.66%) React
9 136 (4.66%) RESTful
10 122 (4.18%) Elastic Stack
11 117 (4.01%) XML
12 90 (3.08%) AngularJS
13 87 (2.98%) FIX Protocol
14 77 (2.64%) Django
15 72 (2.47%) Middleware
16 66 (2.26%) Spring Boot
17 65 (2.23%) LDAP
18 64 (2.19%) J2EE
19 58 (1.99%) HTML5
Miscellaneous
1 192 (6.58%) Analytical Skills
2 185 (6.34%) Public Cloud
3 176 (6.03%) Data Centre
4 133 (4.56%) Linux Command Line
5 87 (2.98%) Self-Motivation
6 85 (2.91%) Management Information System
7 81 (2.77%) Hedge funds
8 80 (2.74%) Greenfield Project
9 78 (2.67%) User Experience
10 73 (2.50%) Fixed Income
11 67 (2.30%) Data Structures
12 66 (2.26%) Derivative
13 64 (2.19%) Algorithms
14 58 (1.99%) Mobile App
15 53 (1.82%) Equities
16 50 (1.71%) Cloud Native
17 46 (1.58%) Private Cloud
18 42 (1.44%) Enterprise Software
19 38 (1.30%) SWIFT
20 35 (1.20%) Foreign Exchange (FX)
Operating Systems
1 906 (31.04%) Windows
2 604 (20.69%) Unix
3 220 (7.54%) Windows Server
4 205 (7.02%) CentOS
5 190 (6.51%) Red Hat Enterprise Linux
6 155 (5.31%) Ubuntu
7 132 (4.52%) Android
8 111 (3.80%) Apple iOS
9 72 (2.47%) Mac OS X
10 71 (2.43%) Windows Server 2012
11 67 (2.30%) Windows Server 2008
12 56 (1.92%) Windows Server 2016
13 53 (1.82%) Solaris
14 47 (1.61%) Windows 10
15 46 (1.58%) Oracle Linux
15 46 (1.58%) Windows 7
16 38 (1.30%) Debian
16 38 (1.30%) Mac OS
17 21 (0.72%) Windows Server 2003
18 14 (0.48%) VMS
Processes & Methodologies
1 1,033 (35.39%) DevOps
2 740 (25.35%) Agile Software Development
3 384 (13.16%) Software Engineering
4 310 (10.62%) Problem-Solving
5 307 (10.52%) Microservices
6 292 (10.00%) Configuration Management
7 282 (9.66%) Fintech
8 248 (8.50%) Continuous Integration
9 242 (8.29%) TDD
10 233 (7.98%) Test Automation
11 231 (7.91%) Infrastructure as Code
12 227 (7.78%) Open Source
13 224 (7.67%) Computer Science
14 198 (6.78%) Mentoring
15 197 (6.75%) Infrastructure Engineering
16 187 (6.41%) ITIL
17 174 (5.96%) Analytics
18 162 (5.55%) Site Reliability Engineering
19 144 (4.93%) Continuous Delivery
20 132 (4.52%) Scrum
Programming Languages
1 1,198 (41.04%) Python
2 801 (27.44%) Java
3 678 (23.23%) SQL
4 457 (15.66%) Bash Shell
5 429 (14.70%) JavaScript
6 281 (9.63%) PowerShell
7 228 (7.81%) Ruby
8 224 (7.67%) C++
9 207 (7.09%) Go
10 205 (7.02%) Perl
11 199 (6.82%) C#
12 170 (5.82%) PHP
13 123 (4.21%) C
14 122 (4.18%) Shell Script
15 100 (3.43%) Scala
16 98 (3.36%) Java 8
17 85 (2.91%) Groovy
18 78 (2.67%) R
19 71 (2.43%) PL/SQL
20 36 (1.23%) Kotlin
Qualifications
1 295 (10.11%) Degree
2 127 (4.35%) Computer Science Degree
3 102 (3.49%) Cisco Certification
4 89 (3.05%) Security Cleared
5 64 (2.19%) CISSP
6 62 (2.12%) CCNA
7 61 (2.09%) Microsoft Certification
8 60 (2.06%) SC Cleared
9 51 (1.75%) CCNP
10 46 (1.58%) CISM
11 41 (1.40%) Master's Degree
12 37 (1.27%) AWS Certification
13 35 (1.20%) CISA
14 33 (1.13%) MCSA
14 33 (1.13%) MCSE
15 27 (0.92%) VMware Certified Professional (VCP)
16 25 (0.86%) DV Cleared
17 23 (0.79%) MCP
18 20 (0.69%) CCIE
18 20 (0.69%) RHCE
Quality Assurance & Compliance
1 101 (3.46%) QA
2 66 (2.26%) SLA
3 32 (1.10%) GDPR
4 31 (1.06%) PCI DSS
5 20 (0.69%) ISO/IEC 27001
6 9 (0.31%) Sarbanes-Oxley
7 6 (0.21%) Government Security Classifications
7 6 (0.21%) NCSC
8 4 (0.14%) BS25999
8 4 (0.14%) Cyber Essentials
8 4 (0.14%) FINRA
9 3 (0.10%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
10 2 (0.069%) ISO 20022
10 2 (0.069%) NIST
11 1 (0.034%) COBIT
11 1 (0.034%) Cyber Essentials PLUS
11 1 (0.034%) Data Quality
11 1 (0.034%) ISO 8583
11 1 (0.034%) ISO 9001
11 1 (0.034%) NIST 800
System Software
1 779 (26.69%) Docker
2 237 (8.12%) VMware Infrastructure
3 207 (7.09%) Active Directory
4 77 (2.64%) Hyper-V
5 67 (2.30%) vSphere
6 52 (1.78%) Virtual Machines
7 49 (1.68%) VMware ESXi
8 38 (1.30%) Apache ZooKeeper
9 29 (0.99%) Virtual Servers
10 18 (0.62%) LXC
10 18 (0.62%) NFS
11 16 (0.55%) Kamailio
12 14 (0.48%) Firmware
13 13 (0.45%) Samba
13 13 (0.45%) XenApp
14 11 (0.38%) Xen
15 10 (0.34%) OpenAM
16 8 (0.27%) vCloud
17 7 (0.24%) VirtualBox
18 6 (0.21%) VMware Workstation
Systems Management
1 616 (21.10%) Kubernetes
2 586 (20.08%) Ansible
3 495 (16.96%) Terraform
4 292 (10.00%) Puppet
5 164 (5.62%) Opscode Chef
6 79 (2.71%) Grafana
7 77 (2.64%) Prometheus
8 71 (2.43%) Nagios
9 63 (2.16%) Packer
10 45 (1.54%) Nessus
11 42 (1.44%) Salt
11 42 (1.44%) SCCM
12 39 (1.34%) Mesos
13 32 (1.10%) WSUS
14 28 (0.96%) Marathon
15 27 (0.92%) Docker Swarm
16 26 (0.89%) ZABBIX
17 24 (0.82%) Icinga
18 22 (0.75%) Consul
19 19 (0.65%) vCenter Server
Vendors
1 351 (12.02%) VMware
2 316 (10.83%) Microsoft
3 302 (10.35%) Oracle
4 272 (9.32%) Red Hat
5 155 (5.31%) Cisco
6 148 (5.07%) Google
7 110 (3.77%) Splunk
8 91 (3.12%) IBM
9 88 (3.01%) HP
10 61 (2.09%) Dell
11 54 (1.85%) Sun
12 53 (1.82%) Atlassian
13 52 (1.78%) ServiceNow
14 46 (1.58%) CyberArk
15 44 (1.51%) F5
16 39 (1.34%) ArcSight
17 38 (1.30%) EMC
18 36 (1.23%) Bloomberg
19 35 (1.20%) Citrix
19 35 (1.20%) Qualys