Period
to

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 23 May 2022 with a comparison to the same period in the previous 2 years.

Linux
Central London > City of London
6 months to
23 May 2022
Same period 2021 Same period 2020
Rank 30 28 21
Rank change year-on-year -2 -7 -1
Permanent jobs citing Linux 530 419 669
As % of all permanent jobs advertised in the City of London 7.25% 8.39% 9.52%
As % of the Operating Systems category 43.73% 54.42% 46.59%
Number of salaries quoted 433 377 573
10th Percentile £41,250 £46,250 £47,500
25th Percentile £55,000 £57,500 £57,500
Median annual salary (50th Percentile) £72,500 £75,000 £72,500
Median % change year-on-year -3.33% +3.45% -
75th Percentile £100,000 £95,000 £87,500
90th Percentile £112,500 £110,000 £110,000
Central London median annual salary £72,500 £75,000 £70,000
% change year-on-year -3.33% +7.14% -

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 1,212 770 1,436
As % of all permanent IT jobs advertised in the City of London 16.57% 15.41% 20.44%
Number of salaries quoted 980 682 1,256
10th Percentile £36,250 £41,250 £30,000
25th Percentile £47,500 £51,250 £43,500
Median annual salary (50th Percentile) £67,500 £67,500 £62,500
Median % change year-on-year - +8.00% +4.17%
75th Percentile £90,000 £85,000 £77,500
90th Percentile £106,250 £97,500 £91,250
Central London median annual salary £65,000 £62,500 £62,500
% change year-on-year +4.00% - +4.17%

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 23 May 2022.

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 23 May 2022. 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
Jobs
London Bridge -6 2 £81,250 +80.56%
Linux
Central London

For the 6 months to 23 May 2022, 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.

1 240 (45.28%) Python
2 191 (36.04%) DevOps
3 178 (33.58%) Java
4 175 (33.02%) Windows
5 171 (32.26%) AWS
6 162 (30.57%) Finance
7 147 (27.74%) CI/CD
8 142 (26.79%) SQL
9 127 (23.96%) Unix
10 116 (21.89%) Docker
11 114 (21.51%) Social Skills
11 114 (21.51%) Git (software)
12 103 (19.43%) Terraform
13 101 (19.06%) Kubernetes
14 97 (18.30%) Azure
15 91 (17.17%) Agile
16 87 (16.42%) C++
16 87 (16.42%) Infrastructure as Code
17 77 (14.53%) Bash
18 74 (13.96%) C#
19 70 (13.21%) JavaScript
19 70 (13.21%) Degree
19 70 (13.21%) Problem-Solving
20 65 (12.26%) Multithreading
21 60 (11.32%) Ansible
22 58 (10.94%) Fintech
23 57 (10.75%) PowerShell
23 57 (10.75%) JIRA
24 56 (10.57%) Advertising
25 55 (10.38%) Jenkins

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 33 (6.23%) Apache
2 26 (4.91%) WordPress
3 24 (4.53%) CMS
4 22 (4.15%) Confluence
5 17 (3.21%) Elasticsearch
5 17 (3.21%) Jetty
6 14 (2.64%) Apache Spark
7 10 (1.89%) SharePoint
8 7 (1.32%) JBoss
8 7 (1.32%) Tomcat
9 5 (0.94%) IIS
9 5 (0.94%) Oracle Workflow
10 4 (0.75%) OpenStack
11 2 (0.38%) nginx
12 1 (0.19%) SharePoint 2010
12 1 (0.19%) SharePoint 2013
12 1 (0.19%) Skype for Business
12 1 (0.19%) WebLogic
Applications
1 10 (1.89%) Microsoft Office
2 7 (1.32%) Microsoft Excel
3 5 (0.94%) Maple
4 4 (0.75%) MS Visio
5 2 (0.38%) Microsoft PowerPoint
Business Applications
1 4 (0.75%) Sentinel
2 3 (0.57%) ION MarketView
2 3 (0.57%) Payment Gateway
3 2 (0.38%) Summit
4 1 (0.19%) Bloomberg TOMS
4 1 (0.19%) Dynamics AX
4 1 (0.19%) Dynamics CRM
4 1 (0.19%) SunGard Martini
4 1 (0.19%) Temenos T24
Cloud Services
1 171 (32.26%) AWS
2 97 (18.30%) Azure
3 33 (6.23%) Microsoft 365
4 27 (5.09%) AWS CloudFormation
4 27 (5.09%) GCP
5 26 (4.91%) npm
6 21 (3.96%) SaaS
7 19 (3.58%) Serverless
8 18 (3.40%) GitHub
9 11 (2.08%) OpenShift
10 10 (1.89%) Amazon EC2
11 9 (1.70%) Azure Active Directory
11 9 (1.70%) PaaS
12 8 (1.51%) Amazon S3
13 7 (1.32%) IaaS
13 7 (1.32%) Snowflake
14 6 (1.13%) Cloud Computing
15 5 (0.94%) Datadog
15 5 (0.94%) Power Platform
15 5 (0.94%) Virtual Private Cloud
Communications & Networking
1 30 (5.66%) Firewall
2 18 (3.40%) Network Security
3 16 (3.02%) DNS
4 15 (2.83%) Wireless
5 12 (2.26%) TCP/IP
5 12 (2.26%) VPN
6 11 (2.08%) LAN
6 11 (2.08%) WAN
7 7 (1.32%) DHCP
7 7 (1.32%) Internet
8 6 (1.13%) SAN
9 4 (0.75%) FTP
9 4 (0.75%) VoIP
9 4 (0.75%) Wi-Fi
10 3 (0.57%) Intrusion Detection
10 3 (0.57%) IPsec
10 3 (0.57%) Multicast
10 3 (0.57%) SMTP
10 3 (0.57%) SSH
10 3 (0.57%) WLAN
Database & Business Intelligence
1 36 (6.79%) SQL Server
2 35 (6.60%) MySQL
3 30 (5.66%) Data Warehouse
4 21 (3.96%) Big Data
5 19 (3.58%) PostgreSQL
6 17 (3.21%) MongoDB
6 17 (3.21%) Relational Database
7 16 (3.02%) SQL Server Integration Services
8 14 (2.64%) NoSQL
8 14 (2.64%) SQL Server Reporting Services
9 9 (1.70%) Apache Cassandra
9 9 (1.70%) KDB
10 8 (1.51%) Apache Hive
10 8 (1.51%) Oracle Database
10 8 (1.51%) RDBMS
11 7 (1.32%) Enterprise Data Warehouse
11 7 (1.32%) Hadoop
12 6 (1.13%) InfluxDB
12 6 (1.13%) Oracle Reports
13 5 (0.94%) Amazon Redshift
Development Applications
1 114 (21.51%) Git (software)
2 57 (10.75%) JIRA
3 55 (10.38%) Jenkins
4 36 (6.79%) GitLab
5 26 (4.91%) Grunt
5 26 (4.91%) gulp
6 24 (4.53%) Cucumber
7 22 (4.15%) Maven
8 20 (3.77%) Bitbucket
8 20 (3.77%) JUnit
9 19 (3.58%) Gradle
10 17 (3.21%) Ant
10 17 (3.21%) Apache Ivy
10 17 (3.21%) Concordion
10 17 (3.21%) Mockito
11 12 (2.26%) Selenium
12 8 (1.51%) Subversion
12 8 (1.51%) TeamCity
13 7 (1.32%) REST Assured
13 7 (1.32%) SoapUI
General
1 162 (30.57%) Finance
2 114 (21.51%) Social Skills
3 56 (10.57%) Advertising
4 46 (8.68%) Analytical Skills
5 36 (6.79%) Banking
6 33 (6.23%) Retail
7 31 (5.85%) Marketing
8 28 (5.28%) Front Office
9 26 (4.91%) Inclusion and Diversity
10 15 (2.83%) Financial Institution
11 13 (2.45%) Presentation Skills
12 9 (1.70%) Telecoms
13 8 (1.51%) Law
14 7 (1.32%) Documentation Skills
15 6 (1.13%) Electronics
15 6 (1.13%) Manufacturing
15 6 (1.13%) Public Sector
16 5 (0.94%) Investment Banking
16 5 (0.94%) Legal
16 5 (0.94%) Police
Job Titles
1 138 (26.04%) Developer
2 65 (12.26%) DevOps Engineer
3 49 (9.25%) Java Developer
4 47 (8.87%) Senior Developer
5 46 (8.68%) Analyst
6 39 (7.36%) Support Engineer
7 38 (7.17%) Architect
8 37 (6.98%) Applications Support
9 32 (6.04%) Cloud Engineer
10 29 (5.47%) AWS Engineer
11 28 (5.28%) PHP Developer
12 27 (5.09%) Senior Java Developer
13 24 (4.53%) Support Analyst
13 24 (4.53%) Support Specialist
14 22 (4.15%) Applications Support Analyst
14 22 (4.15%) Senior Architect
15 21 (3.96%) Algorithmic Trading Developer
16 20 (3.77%) Security Engineer
17 19 (3.58%) Infrastructure Engineer
18 18 (3.40%) Linux Engineer
Libraries, Frameworks & Software Standards
1 52 (9.81%) REST
2 49 (9.25%) React
3 44 (8.30%) HTML
4 43 (8.11%) Kafka
5 36 (6.79%) CSS
6 32 (6.04%) FIX Protocol
6 32 (6.04%) Web Services
7 30 (5.66%) AngularJS
8 29 (5.47%) XML
9 26 (4.91%) .NET
9 26 (4.91%) LAMP
9 26 (4.91%) Spring
9 26 (4.91%) Twig
10 24 (4.53%) Sass
11 22 (4.15%) JDBC
11 22 (4.15%) JSON
12 21 (3.96%) Elastic Stack
13 20 (3.77%) JMS
13 20 (3.77%) Swagger
14 17 (3.21%) JPA
Miscellaneous
1 41 (7.74%) Linux Command Line
2 35 (6.60%) Algorithms
3 25 (4.72%) Derivative
4 22 (4.15%) Fixed Income
5 21 (3.96%) Data Structures
6 15 (2.83%) Hedge funds
7 14 (2.64%) Cloud Native
8 13 (2.45%) Data Centre
9 12 (2.26%) Cyberattack
10 11 (2.08%) Equities
11 10 (1.89%) Blockchain
11 10 (1.89%) Public Cloud
11 10 (1.89%) User Experience
12 9 (1.70%) Self-Motivation
13 8 (1.51%) Virtual Team
14 7 (1.32%) Cyber Defence
14 7 (1.32%) Enterprise Software
14 7 (1.32%) Grid Computing
15 6 (1.13%) Hybrid Cloud
15 6 (1.13%) IoT
Operating Systems
1 175 (33.02%) Windows
2 127 (23.96%) Unix
3 40 (7.55%) Red Hat Enterprise Linux
4 28 (5.28%) Windows Server
5 23 (4.34%) Mac OS
6 20 (3.77%) Android
7 19 (3.58%) Apple iOS
8 15 (2.83%) Ubuntu
8 15 (2.83%) Windows 10
9 14 (2.64%) CentOS
10 6 (1.13%) Solaris
11 3 (0.57%) Debian
11 3 (0.57%) Windows Server 2016
11 3 (0.57%) Windows Server 2019
12 2 (0.38%) Oracle Linux
12 2 (0.38%) Windows Server 2008
13 1 (0.19%) AIX
13 1 (0.19%) HPUX
13 1 (0.19%) SUSE
13 1 (0.19%) Windows XP
Processes & Methodologies
1 191 (36.04%) DevOps
2 147 (27.74%) CI/CD
3 91 (17.17%) Agile
4 87 (16.42%) Infrastructure as Code
5 70 (13.21%) Problem-Solving
6 65 (12.26%) Multithreading
7 58 (10.94%) Fintech
8 53 (10.00%) Computer Science
9 44 (8.30%) Low Latency
9 44 (8.30%) Test Automation
10 43 (8.11%) Mentoring
11 42 (7.92%) Algorithmic Trading
12 40 (7.55%) Workflow
13 39 (7.36%) Cybersecurity
14 37 (6.98%) Risk Management
14 37 (6.98%) Software Engineering
15 35 (6.60%) Analytics
15 35 (6.60%) TDD
16 29 (5.47%) Continuous Integration
17 28 (5.28%) Infrastructure Engineering
Programming Languages
1 240 (45.28%) Python
2 178 (33.58%) Java
3 142 (26.79%) SQL
4 87 (16.42%) C++
5 77 (14.53%) Bash
6 74 (13.96%) C#
7 70 (13.21%) JavaScript
8 57 (10.75%) PowerShell
9 39 (7.36%) Perl
10 34 (6.42%) Scala
11 31 (5.85%) PHP
11 31 (5.85%) TypeScript
12 23 (4.34%) Go
13 22 (4.15%) Shell Script
14 21 (3.96%) C
15 18 (3.40%) Ruby
16 11 (2.08%) Rust
17 6 (1.13%) MATLAB
17 6 (1.13%) PL/SQL
18 5 (0.94%) R
Qualifications
1 70 (13.21%) Degree
2 48 (9.06%) Computer Science Degree
3 20 (3.77%) CCNA
3 20 (3.77%) Cisco Certification
4 12 (2.26%) Master's Degree
4 12 (2.26%) Security Cleared
5 11 (2.08%) SC Cleared
6 10 (1.89%) Network+ Certification
7 9 (1.70%) CISSP
8 8 (1.51%) A+ Certification
8 8 (1.51%) Linux+ Certification
9 6 (1.13%) OSCP
10 5 (0.94%) CEH
10 5 (0.94%) CISA
10 5 (0.94%) CISM
10 5 (0.94%) CREST Certified
10 5 (0.94%) GPEN
10 5 (0.94%) GXPN
10 5 (0.94%) OSCE
10 5 (0.94%) OSWP
Quality Assurance & Compliance
1 29 (5.47%) QA
2 9 (1.70%) Data Quality
2 9 (1.70%) SLA
3 6 (1.13%) PCI DSS
4 4 (0.75%) ISO/IEC 27001
5 3 (0.57%) GDPR
6 2 (0.38%) Cyber Essentials
6 2 (0.38%) Cyber Essentials PLUS
6 2 (0.38%) MiFID
7 1 (0.19%) Sarbanes-Oxley
System Software
1 116 (21.89%) Docker
2 36 (6.79%) Active Directory
3 31 (5.85%) VMware Infrastructure
4 7 (1.32%) Firmware
5 6 (1.13%) vSphere
6 4 (0.75%) Ceph
7 2 (0.38%) LXC
7 2 (0.38%) Virtual Machines
7 2 (0.38%) VMware NSX
7 2 (0.38%) XenApp
8 1 (0.19%) Apache ZooKeeper
8 1 (0.19%) Hyper-V
8 1 (0.19%) iptables
8 1 (0.19%) KVM
8 1 (0.19%) NFS
8 1 (0.19%) Virtual Desktop
8 1 (0.19%) VMware ESXi
8 1 (0.19%) XenDesktop
Systems Management
1 103 (19.43%) Terraform
2 101 (19.06%) Kubernetes
3 60 (11.32%) Ansible
4 44 (8.30%) Puppet
5 20 (3.77%) Kibana
6 14 (2.64%) SCCM
7 13 (2.45%) logstash
8 11 (2.08%) Opscode Chef
9 8 (1.51%) Grafana
10 7 (1.32%) Microsoft Intune
11 6 (1.13%) Prometheus
11 6 (1.13%) Salt
12 4 (0.75%) Nagios
13 3 (0.57%) Rundeck
14 2 (0.38%) Data Guard
14 2 (0.38%) FortiGate
14 2 (0.38%) Host Intrusion Detection System
14 2 (0.38%) Oracle RMAN
14 2 (0.38%) Red Hat Satellite
15 1 (0.19%) SolarWinds Orion
Vendors
1 50 (9.43%) Microsoft
2 49 (9.25%) Oracle
3 48 (9.06%) VMware
4 41 (7.74%) Red Hat
5 36 (6.79%) Google
6 22 (4.15%) Splunk
7 18 (3.40%) Cisco
8 13 (2.45%) Citrix
9 7 (1.32%) Informatica
9 7 (1.32%) Talend
10 6 (1.13%) SAP
11 5 (0.94%) IBM
11 5 (0.94%) LogicMonitor
12 4 (0.75%) Actuate
12 4 (0.75%) Apple
12 4 (0.75%) Brio
12 4 (0.75%) Juniper
12 4 (0.75%) Nimble Storage
12 4 (0.75%) Palo Alto
12 4 (0.75%) Veritas