Period
to 24 October 2021

The following table provides summary statistics for permanent job vacancies advertised in Central 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 24 October 2021 with a comparison to the same period in the previous 2 years.

Linux
London > Central London
6 months to
24 Oct 2021
Same period 2020 Same period 2019
Rank 40 22 20
Rank change year-on-year -18 -2 +1
Permanent jobs citing Linux 415 401 1,206
As % of all permanent jobs advertised in Central London 6.10% 9.71% 9.55%
As % of the Operating Systems category 38.43% 46.90% 41.30%
Number of salaries quoted 384 349 1,039
10th Percentile £42,500 £42,500 £42,500
25th Percentile £55,000 £56,250 £55,000
Median annual salary (50th Percentile) £75,000 £70,000 £72,000
Median % change year-on-year +7.14% -2.78% +6.67%
75th Percentile £91,250 £85,000 £90,000
90th Percentile £105,000 £97,500 £115,000
London median annual salary £72,500 £70,000 £67,500
% change year-on-year +3.57% +3.70% +3.85%

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 Central London with a requirement for operating system skills.

All Operating Systems
Central London
Permanent vacancies with a requirement for operating system skills 1,080 855 2,920
As % of all permanent IT jobs advertised in Central London 15.87% 20.71% 23.12%
Number of salaries quoted 994 761 2,543
10th Percentile £32,000 £32,500 £28,250
25th Percentile £42,500 £45,000 £41,250
Median annual salary (50th Percentile) £60,000 £65,000 £60,000
Median % change year-on-year -7.69% +8.33% -
75th Percentile £82,500 £77,500 £78,750
90th Percentile £97,500 £92,500 £95,000
London median annual salary £65,000 £65,000 £59,500
% change year-on-year - +9.24% +3.48%

Linux
Job Vacancy Trend in Central London

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

Job vacancy trend for Linux in Central London

Linux
Salary Trend in Central London

3-month moving average salary quoted in jobs citing Linux in Central London.

Salary trend for Linux in Central London

Linux
Salary Histogram in Central London

Salary distribution for jobs citing Linux in Central London over the 6 months to 24 October 2021.

Salary histogram for Linux in Central London

Linux
Job Locations in Central London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the Central London region over the 6 months to 24 October 2021. 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
City of London -16 369 £75,000 +7.14% 242
West End of London -13 12 £50,000 -41.18%
City of Westminster -15 10 £51,628 -39.26%
Camden - 5 £55,000 -
Kensington and Chelsea +1 1 £52,500 +15.38%
Linux
London

For the 6 months to 24 October 2021, 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 Central London region with a requirement for Linux.

1 205 (49.40%) AWS
2 193 (46.51%) Python
3 176 (42.41%) DevOps
4 149 (35.90%) Docker
5 141 (33.98%) Kubernetes
6 138 (33.25%) Terraform
7 135 (32.53%) Finance
8 118 (28.43%) Windows
9 111 (26.75%) Infrastructure as Code
10 101 (24.34%) Unix
11 96 (23.13%) Java
12 92 (22.17%) Azure
12 92 (22.17%) Bash Shell
12 92 (22.17%) Ansible
13 85 (20.48%) Jenkins
13 85 (20.48%) Agile Software Development
14 78 (18.80%) SQL
15 76 (18.31%) Puppet
16 71 (17.11%) GCP
17 57 (13.73%) PowerShell
18 51 (12.29%) Social Skills
19 49 (11.81%) Configuration Management
20 47 (11.33%) Microsoft
20 47 (11.33%) Git (software)
21 46 (11.08%) JavaScript
22 45 (10.84%) Banking
23 43 (10.36%) Site Reliability Engineering
24 40 (9.64%) Fintech
25 38 (9.16%) Software Engineering
26 35 (8.43%) VMware

Linux
Co-occurring IT Skills in Central 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 12 (2.89%) OpenStack
2 11 (2.65%) nginx
3 10 (2.41%) Apache Spark
4 9 (2.17%) Elasticsearch
5 8 (1.93%) Confluence
6 7 (1.69%) MS Exchange
7 5 (1.20%) Apache
7 5 (1.20%) Exchange Server 2010
7 5 (1.20%) IIS
7 5 (1.20%) Skype for Business
8 4 (0.96%) SharePoint
9 3 (0.72%) Oracle Coherence
9 3 (0.72%) SAS
10 2 (0.48%) Apache Airflow
10 2 (0.48%) Cloud Foundry
10 2 (0.48%) WordPress
11 1 (0.24%) Ethereum
11 1 (0.24%) Exchange Server 2013
11 1 (0.24%) Oracle Workflow
11 1 (0.24%) WebSphere
Applications
1 3 (0.72%) Microsoft Excel
1 3 (0.72%) Microsoft Office
2 1 (0.24%) Microsoft PowerPoint
Business Applications
1 3 (0.72%) Distributed Ledger
2 2 (0.48%) IntelliMatch
3 1 (0.24%) Bloomberg TOMS
3 1 (0.24%) Oracle EBS
3 1 (0.24%) Oracle EBS R12
3 1 (0.24%) Payment Gateway
3 1 (0.24%) Salerio
3 1 (0.24%) Sentinel
3 1 (0.24%) SunGard Martini
Cloud Services
1 205 (49.40%) AWS
2 92 (22.17%) Azure
3 71 (17.11%) GCP
4 35 (8.43%) Serverless
5 32 (7.71%) Amazon EC2
6 18 (4.34%) AWS Lambda
6 18 (4.34%) Microsoft 365
7 17 (4.10%) AWS CloudFormation
7 17 (4.10%) SaaS
8 16 (3.86%) IaaS
9 13 (3.13%) Virtual Private Cloud
10 12 (2.89%) Amazon S3
11 11 (2.65%) GitHub
11 11 (2.65%) PaaS
12 10 (2.41%) Amazon ECS
13 6 (1.45%) Amazon EMR
14 5 (1.20%) Amazon CloudWatch
14 5 (1.20%) Mimecast
14 5 (1.20%) OpenShift
14 5 (1.20%) Route 53
Communications & Networking
1 30 (7.23%) Firewall
2 23 (5.54%) DNS
3 18 (4.34%) TCP/IP
4 17 (4.10%) LAN
5 16 (3.86%) DHCP
6 15 (3.61%) Network Security
7 13 (3.13%) VPN
8 12 (2.89%) WAN
9 7 (1.69%) Wi-Fi
9 7 (1.69%) Wireshark
10 6 (1.45%) SAN
10 6 (1.45%) tcpdump
11 5 (1.20%) HTTP
11 5 (1.20%) IPv4
11 5 (1.20%) IPv6
11 5 (1.20%) Radio Access Network
11 5 (1.20%) SNMP
11 5 (1.20%) Unified Communications
11 5 (1.20%) VLAN
12 3 (0.72%) VoIP
Database & Business Intelligence
1 19 (4.58%) Relational Database
2 16 (3.86%) SQL Server
3 13 (3.13%) Amazon RDS
4 12 (2.89%) Big Data
4 12 (2.89%) KDB
5 11 (2.65%) Apache Cassandra
5 11 (2.65%) MongoDB
6 10 (2.41%) MySQL
6 10 (2.41%) NoSQL
7 9 (2.17%) Oracle Database
8 8 (1.93%) Hadoop
8 8 (1.93%) PostgreSQL
9 5 (1.20%) Blockchain
10 4 (0.96%) Amazon Redshift
10 4 (0.96%) ArangoDB
10 4 (0.96%) Data Warehouse
10 4 (0.96%) InfluxDB
11 2 (0.48%) SQL Server Integration Services
11 2 (0.48%) SQL Server Reporting Services
11 2 (0.48%) Star Schema
Development Applications
1 85 (20.48%) Jenkins
2 47 (11.33%) Git (software)
3 24 (5.78%) JIRA
4 22 (5.30%) GitLab
5 15 (3.61%) Bitbucket
6 14 (3.37%) TeamCity
7 13 (3.13%) Selenium
8 9 (2.17%) Atlassian Bamboo
8 9 (2.17%) Cucumber
8 9 (2.17%) REST Assured
9 8 (1.93%) Maven
10 7 (1.69%) Octopus Deploy
11 5 (1.20%) Sonatype Nexus
12 4 (0.96%) CircleCI
12 4 (0.96%) Gradle
12 4 (0.96%) IntelliJ
12 4 (0.96%) Jasmine
12 4 (0.96%) JUnit
12 4 (0.96%) Mocha
12 4 (0.96%) SoapUI
General
1 135 (32.53%) Finance
2 51 (12.29%) Social Skills
3 45 (10.84%) Banking
4 28 (6.75%) Front Office
5 25 (6.02%) Advertising
6 17 (4.10%) Retail
7 15 (3.61%) Investment Banking
8 14 (3.37%) Back Office
9 13 (3.13%) Analytical Skills
10 11 (2.65%) Financial Institution
10 11 (2.65%) Law
11 8 (1.93%) Telecoms
12 7 (1.69%) Games
13 6 (1.45%) Inclusion and Diversity
14 4 (0.96%) Legal
14 4 (0.96%) Marketing
15 3 (0.72%) International Banking
15 3 (0.72%) Presentation Skills
15 3 (0.72%) Public Sector
16 1 (0.24%) Police
Job Titles
1 108 (26.02%) DevOps Engineer
2 68 (16.39%) Developer
3 45 (10.84%) AWS Engineer
4 34 (8.19%) Security Engineer
5 31 (7.47%) Java Developer
5 31 (7.47%) Linux Engineer
6 28 (6.75%) AWS DevOps
7 27 (6.51%) AWS DevOps Engineer
8 26 (6.27%) Senior Developer
9 24 (5.78%) Analyst
9 24 (5.78%) Infrastructure Engineer
9 24 (5.78%) Junior
9 24 (5.78%) Senior DevOps
10 23 (5.54%) Senior DevOps Engineer
10 23 (5.54%) Site Reliability Engineer
11 21 (5.06%) Architect
11 21 (5.06%) Linux DevOps Engineer
11 21 (5.06%) Linux/Unix DevOps
12 19 (4.58%) Platform Engineer
13 17 (4.10%) Support Analyst
Libraries, Frameworks & Software Standards
1 23 (5.54%) React
1 23 (5.54%) Web Services
2 22 (5.30%) Kafka
3 21 (5.06%) AngularJS
3 21 (5.06%) FIX Protocol
4 20 (4.82%) HTML
5 18 (4.34%) HTML5
6 17 (4.10%) Spring
7 14 (3.37%) REST
8 13 (3.13%) CSS
8 13 (3.13%) Elastic Stack
9 12 (2.89%) JSON
10 11 (2.65%) XML
11 9 (2.17%) Gherkin
11 9 (2.17%) RESTful
11 9 (2.17%) Sass
12 8 (1.93%) CSS3
12 8 (1.93%) Vue.js
13 7 (1.69%) .NET
14 6 (1.45%) Django
Miscellaneous
1 20 (4.82%) Cloud Native
2 17 (4.10%) Fixed Income
3 13 (3.13%) Data Centre
4 11 (2.65%) Equities
4 11 (2.65%) Management Information System
4 11 (2.65%) Self-Motivation
5 10 (2.41%) Derivative
5 10 (2.41%) Enterprise Software
6 9 (2.17%) Public Cloud
7 8 (1.93%) Algorithms
7 8 (1.93%) Data Structures
7 8 (1.93%) Linux Command Line
7 8 (1.93%) SWIFT
8 7 (1.69%) Hedge funds
8 7 (1.69%) Hybrid Cloud
9 6 (1.45%) Enterprise Storage
9 6 (1.45%) Greenfield Project
10 5 (1.20%) Client/Server
10 5 (1.20%) Data Protection Act
10 5 (1.20%) User Experience
Operating Systems
1 118 (28.43%) Windows
2 101 (24.34%) Unix
3 29 (6.99%) Ubuntu
4 28 (6.75%) Windows Server
5 26 (6.27%) Red Hat Enterprise Linux
6 17 (4.10%) CentOS
7 9 (2.17%) Mac OS X
8 7 (1.69%) CoreOS
9 6 (1.45%) Mac OS
9 6 (1.45%) Windows Server 2003
10 5 (1.20%) Windows 10
11 4 (0.96%) Android
11 4 (0.96%) Apple iOS
11 4 (0.96%) Solaris
12 3 (0.72%) Windows Server 2019
12 3 (0.72%) Windows XP
13 2 (0.48%) SUSE
13 2 (0.48%) Windows 7
14 1 (0.24%) Windows Server 2008
14 1 (0.24%) Windows Server 2016
Processes & Methodologies
1 176 (42.41%) DevOps
2 111 (26.75%) Infrastructure as Code
3 85 (20.48%) Agile Software Development
4 49 (11.81%) Configuration Management
5 43 (10.36%) Site Reliability Engineering
6 40 (9.64%) Fintech
7 38 (9.16%) Software Engineering
8 35 (8.43%) Infrastructure Engineering
9 28 (6.75%) Problem-Solving
10 26 (6.27%) Multithreading
11 25 (6.02%) Low Latency
11 25 (6.02%) SDLC
12 23 (5.54%) Microservices
12 23 (5.54%) Test Automation
13 20 (4.82%) OO
13 20 (4.82%) Workflow
14 19 (4.58%) Analytics
14 19 (4.58%) Continuous Improvement
14 19 (4.58%) Migration
14 19 (4.58%) TDD
Programming Languages
1 193 (46.51%) Python
2 96 (23.13%) Java
3 92 (22.17%) Bash Shell
4 78 (18.80%) SQL
5 57 (13.73%) PowerShell
6 46 (11.08%) JavaScript
7 26 (6.27%) C++
8 22 (5.30%) C#
9 20 (4.82%) Perl
10 19 (4.58%) Shell Script
11 18 (4.34%) Go
12 13 (3.13%) Ruby
12 13 (3.13%) Scala
13 8 (1.93%) C
13 8 (1.93%) PHP
14 7 (1.69%) TypeScript
15 6 (1.45%) Rust
16 5 (1.20%) R
17 4 (0.96%) ES6
18 3 (0.72%) PL/SQL
Qualifications
1 28 (6.75%) Degree
2 18 (4.34%) Cisco Certification
3 10 (2.41%) CCNP
4 9 (2.17%) CCNA
5 8 (1.93%) Master's Degree
6 6 (1.45%) AWS Certification
6 6 (1.45%) MCP
6 6 (1.45%) SC Cleared
6 6 (1.45%) Security Cleared
7 5 (1.20%) Computer Science Degree
8 4 (0.96%) CISSP
8 4 (0.96%) Microsoft Certification
9 3 (0.72%) CISA
9 3 (0.72%) CISM
9 3 (0.72%) CompTIA Security+
9 3 (0.72%) MCSE
10 2 (0.48%) A+ Certification
10 2 (0.48%) CHECK Team Member
10 2 (0.48%) CWNA
10 2 (0.48%) Network+ Certification
Quality Assurance & Compliance
1 21 (5.06%) QA
2 5 (1.20%) GDPR
2 5 (1.20%) NIST
2 5 (1.20%) SLA
3 4 (0.96%) Accessibility
3 4 (0.96%) ISO/IEC 27001
4 3 (0.72%) PMO
4 3 (0.72%) Sarbanes-Oxley
5 1 (0.24%) ISO 15022
5 1 (0.24%) ISO 20022
5 1 (0.24%) PSD2
System Software
1 149 (35.90%) Docker
2 34 (8.19%) Active Directory
3 23 (5.54%) VMware Infrastructure
4 16 (3.86%) Hyper-V
5 8 (1.93%) Virtual Servers
6 5 (1.20%) VMware ESXi
6 5 (1.20%) vSphere
7 4 (0.96%) Apache ZooKeeper
7 4 (0.96%) Microsoft App-V
7 4 (0.96%) XenApp
8 3 (0.72%) LXC
8 3 (0.72%) Virtual Desktop
9 2 (0.48%) KVM
9 2 (0.48%) Xen
10 1 (0.24%) Ceph
10 1 (0.24%) iptables
Systems Management
1 141 (33.98%) Kubernetes
2 138 (33.25%) Terraform
3 92 (22.17%) Ansible
4 76 (18.31%) Puppet
5 22 (5.30%) Opscode Chef
6 9 (2.17%) Grafana
6 9 (2.17%) Nagios
7 7 (1.69%) SCCM
8 6 (1.45%) Prometheus
8 6 (1.45%) SCOM
9 5 (1.20%) Nmap
9 5 (1.20%) OpenNMS
10 4 (0.96%) Backup Exec
10 4 (0.96%) Docker Swarm
10 4 (0.96%) HAProxy
11 3 (0.72%) EdgeSight
11 3 (0.72%) EnCase
11 3 (0.72%) FTK
11 3 (0.72%) Mesos
11 3 (0.72%) SCOrch
Vendors
1 47 (11.33%) Microsoft
2 35 (8.43%) VMware
3 24 (5.78%) Oracle
3 24 (5.78%) Red Hat
4 23 (5.54%) Google
5 16 (3.86%) Cisco
6 15 (3.61%) Citrix
6 15 (3.61%) Splunk
7 7 (1.69%) Atlassian
8 5 (1.20%) Apple
9 4 (0.96%) Asigra
9 4 (0.96%) Greenplum
9 4 (0.96%) HP
9 4 (0.96%) ServiceNow
9 4 (0.96%) Veeam
10 3 (0.72%) EMC
10 3 (0.72%) F5
10 3 (0.72%) SaltStack
10 3 (0.72%) Solace
10 3 (0.72%) Tripwire