Period
to 20 October 2020

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 October 2020 with a comparison to the same period in the previous 2 years.

Linux
Central London > City of London
6 months to
20 Oct 2020
Same period 2019 Same period 2018
Rank 22 20 20
Rank change year-on-year -2 0 -4
Permanent jobs citing Linux 347 953 1,148
As % of all permanent jobs advertised in the City of London 9.53% 9.59% 10.40%
As % of the Operating Systems category 45.66% 41.53% 46.63%
Number of salaries quoted 338 847 1,075
Median annual salary £70,000 £72,500 £67,500
Median salary % change year-on-year -3.45% +7.41% +12.50%
10th Percentile £42,275 £46,250 £41,750
90th Percentile £96,625 £115,000 £95,000
Central London median annual salary £70,000 £70,000 £65,500
% change year-on-year - +6.87% +9.17%

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 the City of London with a requirement for operating system skills.

All Operating Systems
City of London
Permanent vacancies with a requirement for operating system skills 760 2,295 2,462
As % of all permanent IT jobs advertised in the City of London 20.87% 23.09% 22.31%
Number of salaries quoted 671 1,941 2,186
Median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +9.09%
10th Percentile £35,000 £28,500 £29,000
90th Percentile £91,500 £95,000 £91,250
Central London median annual salary £65,000 £60,000 £58,000
% change year-on-year +8.33% +3.45% +5.45%

Linux
Job Vacancy Trend in the City of London

Job postings citing Linux as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Linux in the City of London

Linux
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing Linux in the City of London.

Salary trend for Linux in the City of London

Linux
Salary Histogram in the City of London

Salary distribution for jobs citing Linux in the City of London over the 6 months to 20 October 2020.

Salary histogram for Linux in the City of London

Linux
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the City of London region over the 6 months to 20 October 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
London Bridge +16 1 £60,000 +33.33%
Linux
Central London

For the 6 months to 20 October 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 City of London region with a requirement for Linux.

1 155 (44.67%) AWS
2 153 (44.09%) Python
3 142 (40.92%) DevOps
4 132 (38.04%) Finance
5 115 (33.14%) Windows
6 104 (29.97%) Agile Software Development
7 101 (29.11%) Docker
7 101 (29.11%) Kubernetes
8 88 (25.36%) Azure
9 85 (24.50%) Java
10 76 (21.90%) Terraform
11 75 (21.61%) Ansible
12 71 (20.46%) Jenkins
13 63 (18.16%) Puppet
14 61 (17.58%) SQL
15 58 (16.71%) Unix
15 58 (16.71%) Git (software)
16 52 (14.99%) Fintech
17 47 (13.54%) JavaScript
18 45 (12.97%) C#
18 45 (12.97%) Site Reliability Engineering
18 45 (12.97%) Infrastructure as Code
19 44 (12.68%) Firewall
20 43 (12.39%) Bash Shell
21 42 (12.10%) Microsoft
21 42 (12.10%) Opscode Chef
22 41 (11.82%) VMware
22 41 (11.82%) JIRA
23 38 (10.95%) Software Engineering
24 37 (10.66%) Configuration Management

Linux
Co-occurring IT Skills in the City of 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 22 (6.34%) Apache
2 19 (5.48%) Elasticsearch
3 15 (4.32%) Tomcat
4 13 (3.75%) Confluence
5 12 (3.46%) Cloud Foundry
6 8 (2.31%) Apache Spark
7 4 (1.15%) SharePoint
8 3 (0.86%) nginx
9 2 (0.58%) Adobe Experience Manager
9 2 (0.58%) JBoss
9 2 (0.58%) MS Exchange
9 2 (0.58%) Red Hat Fuse
10 1 (0.29%) Apache Airflow
10 1 (0.29%) uWSGI
10 1 (0.29%) WebSphere
Applications
1 3 (0.86%) Microsoft Excel
2 2 (0.58%) Microsoft Office
3 1 (0.29%) Spreadsheet
Business Applications
1 1 (0.29%) Oracle Applications
1 1 (0.29%) Salerio
Cloud Services
1 155 (44.67%) AWS
2 88 (25.36%) Azure
3 26 (7.49%) GCP
4 19 (5.48%) Datadog
5 18 (5.19%) AWS CloudFormation
6 16 (4.61%) SaaS
7 12 (3.46%) Amazon CloudWatch
8 11 (3.17%) Office 365
8 11 (3.17%) Serverless
9 10 (2.88%) IaaS
10 9 (2.59%) OpenShift
10 9 (2.59%) PaaS
11 7 (2.02%) GitHub
12 6 (1.73%) Azure Active Directory
12 6 (1.73%) Heroku
13 5 (1.44%) Amazon ECS
14 4 (1.15%) Amazon EC2
14 4 (1.15%) AWS Lambda
14 4 (1.15%) Cloud Computing
14 4 (1.15%) OneDrive
Communications & Networking
1 44 (12.68%) Firewall
2 21 (6.05%) TCP/IP
3 19 (5.48%) Network Security
4 18 (5.19%) LAN
5 17 (4.90%) WAN
6 14 (4.03%) Wireshark
7 12 (3.46%) OSPF
7 12 (3.46%) SSL
7 12 (3.46%) VPN
8 11 (3.17%) BGP
9 9 (2.59%) DNS
9 9 (2.59%) Wireless
10 8 (2.31%) Multicast
11 6 (1.73%) Cisco ASA
11 6 (1.73%) Cisco Nexus
11 6 (1.73%) Cisco Wireless
11 6 (1.73%) F5 BIG-IP GTM
11 6 (1.73%) F5 BIG-IP LTM
11 6 (1.73%) Kerberos
11 6 (1.73%) VXLAN
Database & Business Intelligence
1 33 (9.51%) PostgreSQL
1 33 (9.51%) SQL Server
2 31 (8.93%) MySQL
3 30 (8.65%) NoSQL
4 19 (5.48%) Big Data
4 19 (5.48%) MongoDB
5 15 (4.32%) Relational Database
6 11 (3.17%) Hadoop
7 10 (2.88%) Neo4j
8 9 (2.59%) Apache Cassandra
8 9 (2.59%) Redis
9 7 (2.02%) Amazon RDS
9 7 (2.02%) BusinessObjects
9 7 (2.02%) BusinessObjects Web Intelligence
9 7 (2.02%) SAP BW
9 7 (2.02%) SAP HANA
10 5 (1.44%) Oracle Database
10 5 (1.44%) RDBMS
11 4 (1.15%) DataStax
11 4 (1.15%) KDB
Development Applications
1 71 (20.46%) Jenkins
2 58 (16.71%) Git (software)
3 41 (11.82%) JIRA
4 28 (8.07%) GitLab
5 12 (3.46%) eggPlant
5 12 (3.46%) Locust
6 11 (3.17%) Bitbucket
7 9 (2.59%) Maven
8 8 (2.31%) Atlassian Bamboo
9 6 (1.73%) Sonatype Nexus
10 5 (1.44%) Subversion
10 5 (1.44%) Visual Studio
11 4 (1.15%) Eclipse
11 4 (1.15%) JIRA Agile
11 4 (1.15%) JUnit
11 4 (1.15%) PyCharm
11 4 (1.15%) Selenium
11 4 (1.15%) TeamCity
12 3 (0.86%) Gradle
12 3 (0.86%) Visual Studio Team System
General
1 132 (38.04%) Finance
2 25 (7.20%) Banking
3 12 (3.46%) Advertising
3 12 (3.46%) Front Office
3 12 (3.46%) Law
4 8 (2.31%) Investment Banking
5 7 (2.02%) Games
6 5 (1.44%) Back Office
6 5 (1.44%) Retail
7 4 (1.15%) Financial Institution
7 4 (1.15%) Marketing
7 4 (1.15%) Public Sector
8 3 (0.86%) Pharmaceutical
8 3 (0.86%) Telecoms
9 2 (0.58%) Electronics
9 2 (0.58%) French Language
9 2 (0.58%) Police
9 2 (0.58%) Publishing
10 1 (0.29%) Legal
10 1 (0.29%) Manufacturing
Job Titles
1 92 (26.51%) DevOps Engineer
2 62 (17.87%) Developer
3 34 (9.80%) AWS Engineer
4 32 (9.22%) Analyst
5 30 (8.65%) AWS DevOps
6 28 (8.07%) Network Engineer
7 27 (7.78%) AWS DevOps Engineer
8 22 (6.34%) Linux Engineer
8 22 (6.34%) Python Engineer
9 21 (6.05%) Site Reliability Engineer
10 20 (5.76%) Kubernetes Engineer
10 20 (5.76%) Senior Developer
11 18 (5.19%) Azure Engineer
11 18 (5.19%) Infrastructure Engineer
11 18 (5.19%) Senior DevOps
11 18 (5.19%) Senior DevOps Engineer
12 17 (4.90%) Site Engineer
13 16 (4.61%) Administrator
14 15 (4.32%) Applications Support
15 13 (3.75%) Software Engineer
Libraries, Frameworks & Software Standards
1 31 (8.93%) .NET
2 25 (7.20%) React
3 18 (5.19%) Elastic Stack
3 18 (5.19%) Kafka
3 18 (5.19%) Vue.js
4 17 (4.90%) Node.js
5 14 (4.03%) .NET Core
5 14 (4.03%) Django
5 14 (4.03%) HTML
5 14 (4.03%) Pandas
5 14 (4.03%) Web Services
6 12 (3.46%) YAML
7 11 (3.17%) LDAP
8 10 (2.88%) AngularJS
8 10 (2.88%) Sensu
8 10 (2.88%) Spring
9 9 (2.59%) CSS
9 9 (2.59%) FIX Protocol
10 7 (2.02%) REST
10 7 (2.02%) SAP Basis
Miscellaneous
1 27 (7.78%) Public Cloud
2 25 (7.20%) Analytical Skills
3 18 (5.19%) Equities
4 17 (4.90%) Data Centre
5 10 (2.88%) Linux Command Line
5 10 (2.88%) Management Information System
6 9 (2.59%) Greenfield Project
6 9 (2.59%) Virtual Team
7 7 (2.02%) Cyber Kill Chain
7 7 (2.02%) Derivative
7 7 (2.02%) Hedge funds
7 7 (2.02%) Robotics
8 6 (1.73%) Enterprise Software
8 6 (1.73%) Fixed Income
9 5 (1.44%) Foreign Exchange (FX)
9 5 (1.44%) Private Cloud
10 4 (1.15%) Data Structures
10 4 (1.15%) Replication
10 4 (1.15%) Self-Motivation
11 3 (0.86%) Market Risk
Operating Systems
1 115 (33.14%) Windows
2 58 (16.71%) Unix
3 24 (6.92%) Windows Server
4 23 (6.63%) Red Hat Enterprise Linux
5 9 (2.59%) Ubuntu
6 8 (2.31%) CentOS
6 8 (2.31%) Mac OS
7 7 (2.02%) Solaris
7 7 (2.02%) Windows XP
8 6 (1.73%) Debian
9 5 (1.44%) Fedora
9 5 (1.44%) Windows Server 2012
10 4 (1.15%) Windows 10
10 4 (1.15%) Windows Server 2019
11 2 (0.58%) Android
12 1 (0.29%) Apple iOS
12 1 (0.29%) Oracle Linux
12 1 (0.29%) Windows 7
12 1 (0.29%) Windows Server 2008
Processes & Methodologies
1 142 (40.92%) DevOps
2 104 (29.97%) Agile Software Development
3 52 (14.99%) Fintech
4 45 (12.97%) Infrastructure as Code
4 45 (12.97%) Site Reliability Engineering
5 38 (10.95%) Software Engineering
6 37 (10.66%) Configuration Management
6 37 (10.66%) Infrastructure Engineering
7 34 (9.80%) TDD
8 32 (9.22%) Test Automation
9 29 (8.36%) Project Management
10 26 (7.49%) Microservices
10 26 (7.49%) Problem-Solving
11 25 (7.20%) BDD
12 24 (6.92%) Deployment Automation
12 24 (6.92%) ITIL
13 23 (6.63%) Continuous Integration
13 23 (6.63%) Project Delivery
14 21 (6.05%) Agile Project Management
14 21 (6.05%) Machine Learning
Programming Languages
1 153 (44.09%) Python
2 85 (24.50%) Java
3 61 (17.58%) SQL
4 47 (13.54%) JavaScript
5 45 (12.97%) C#
6 43 (12.39%) Bash Shell
7 34 (9.80%) PHP
8 28 (8.07%) PowerShell
9 27 (7.78%) Go
10 25 (7.20%) C++
11 18 (5.19%) Perl
12 17 (4.90%) Ruby
13 15 (4.32%) Shell Script
14 7 (2.02%) Groovy
15 6 (1.73%) C
16 5 (1.44%) TypeScript
17 4 (1.15%) Scala
17 4 (1.15%) T-SQL
18 3 (0.86%) PL/SQL
18 3 (0.86%) R
Qualifications
1 28 (8.07%) Degree
2 14 (4.03%) Cisco Certification
3 9 (2.59%) CCSP
4 8 (2.31%) (ISC)2 CCSP
4 8 (2.31%) CISM
5 7 (2.02%) CISSP
5 7 (2.02%) CREST Certified
5 7 (2.02%) GCFA
5 7 (2.02%) GCIA
5 7 (2.02%) GCIH
6 6 (1.73%) AWS Certification
7 5 (1.44%) CCNP
7 5 (1.44%) Computer Science Degree
7 5 (1.44%) Master's Degree
8 4 (1.15%) ISEB
8 4 (1.15%) RHCE
9 3 (0.86%) Microsoft Certification
10 2 (0.58%) Numerate Degree
11 1 (0.29%) SC Cleared
11 1 (0.29%) Security Cleared
Quality Assurance & Compliance
1 11 (3.17%) SLA
2 9 (2.59%) QA
3 8 (2.31%) NIST
4 7 (2.02%) COBIT
5 5 (1.44%) GDPR
6 3 (0.86%) ISO/IEC 27001
7 2 (0.58%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
8 1 (0.29%) PCI DSS
System Software
1 101 (29.11%) Docker
2 33 (9.51%) Active Directory
3 28 (8.07%) VMware Infrastructure
4 12 (3.46%) Hyper-V
5 4 (1.15%) Apache ZooKeeper
5 4 (1.15%) Virtual Desktop
6 3 (0.86%) Virtual Servers
6 3 (0.86%) vSphere
7 2 (0.58%) VirtualBox
8 1 (0.29%) Cronacle
8 1 (0.29%) Firmware
8 1 (0.29%) HDFS
8 1 (0.29%) LXC
8 1 (0.29%) VMware Workstation
8 1 (0.29%) XenApp
Systems Management
1 101 (29.11%) Kubernetes
2 76 (21.90%) Terraform
3 75 (21.61%) Ansible
4 63 (18.16%) Puppet
5 42 (12.10%) Opscode Chef
6 15 (4.32%) Grafana
7 14 (4.03%) Nagios
8 13 (3.75%) ZABBIX
9 12 (3.46%) Prometheus
10 10 (2.88%) Netcool
10 10 (2.88%) Opsview
11 7 (2.02%) CSIRT
11 7 (2.02%) Kibana
11 7 (2.02%) Salt
12 5 (1.44%) SCOM
13 4 (1.15%) WSUS
14 3 (0.86%) Icinga
14 3 (0.86%) logstash
14 3 (0.86%) SCCM
14 3 (0.86%) Single Sign-On
Vendors
1 42 (12.10%) Microsoft
2 41 (11.82%) VMware
3 31 (8.93%) Oracle
4 27 (7.78%) Cisco
5 17 (4.90%) Google
5 17 (4.90%) Red Hat
6 16 (4.61%) HP
7 15 (4.32%) Splunk
8 12 (3.46%) AppDynamics
9 11 (3.17%) Dynatrace
10 10 (2.88%) Fortinet
10 10 (2.88%) SevOne
10 10 (2.88%) TOWER Software
11 9 (2.59%) SAP
12 8 (2.31%) Juniper
12 8 (2.31%) Salesforce.com
12 8 (2.31%) SolarWinds
13 7 (2.02%) Apple
13 7 (2.02%) CheckPoint
13 7 (2.02%) F5