Period
to 27 January 2020

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 27 January 2020 with a comparison to the same period in the previous 2 years.

Linux
London > Central London
6 months to
27 Jan 2020
Same period 2019 Same period 2018
Rank 20 19 17
Rank change year-on-year -1 -2 -3
Permanent jobs citing Linux 1,035 1,331 1,481
As % of all permanent IT jobs advertised in Central London 9.03% 10.38% 10.16%
As % of the Operating Systems category 41.07% 43.75% 44.30%
Number of salaries quoted 858 1,155 1,315
Central London median annual salary £75,000 £70,000 £62,500
Median salary % change year-on-year +7.14% +12.00% +4.17%
10th Percentile £45,000 £40,000 £37,500
90th Percentile £115,000 £96,250 £92,500
London median annual salary £67,500 £65,000 £60,000
% change year-on-year +3.85% +8.33% -

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 2,520 3,042 3,343
As % of all permanent IT jobs advertised in Central London 21.98% 23.72% 22.94%
Number of salaries quoted 2,155 2,661 2,994
Central London median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% -
10th Percentile £28,250 £29,500 £31,250
90th Percentile £93,750 £92,500 £85,000
London median annual salary £57,500 £60,000 £55,000
% change year-on-year -4.17% +9.09% -

Linux
Job Vacancy Trend in Central London

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

Job vacancy trend for Linux in Central London

Linux
Salary Trend in Central London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Linux in Central London.

Salary trend for Linux in Central London

Linux
Salary Histogram in Central London

The salary distribution of IT jobs citing Linux in Central London over the 6 months to 27 January 2020.

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 27 January 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
City of London 0 798 £75,000 +7.14% 228
West End of London +13 55 £75,000 +36.36%
City of Westminster -2 42 £54,163 -31.22%
Southwark +3 14 £45,000 - 1
Camden -2 8 £61,250 +53.13%
Kensington and Chelsea +2 1 £55,000 -
Lambeth -7 1 £31,000 -
Linux
London

For the 6 months to 27 January 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 Central London region with a requirement for Linux.

1 523 (50.53%) Python
2 394 (38.07%) Finance
3 323 (31.21%) AWS
4 312 (30.14%) DevOps
5 280 (27.05%) Windows
6 257 (24.83%) Java
7 255 (24.64%) SQL
8 242 (23.38%) Unix
9 229 (22.13%) Docker
10 211 (20.39%) Agile Software Development
11 183 (17.68%) Ansible
12 170 (16.43%) Bash Shell
13 165 (15.94%) Software Engineering
14 159 (15.36%) Degree
15 144 (13.91%) Fintech
16 143 (13.82%) Kubernetes
17 140 (13.53%) C++
18 138 (13.33%) Azure
19 136 (13.14%) Computer Science
20 125 (12.08%) Git (software)
21 124 (11.98%) Terraform
22 119 (11.50%) Jenkins
23 117 (11.30%) Banking
24 112 (10.82%) JavaScript
24 112 (10.82%) Infrastructure as Code
25 109 (10.53%) Problem-Solving
26 105 (10.14%) Oracle
27 101 (9.76%) Continuous Integration
28 97 (9.37%) PowerShell
28 97 (9.37%) Puppet

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 67 (6.47%) Apache
2 52 (5.02%) IIS
3 36 (3.48%) Tomcat
4 33 (3.19%) nginx
5 32 (3.09%) Elasticsearch
6 22 (2.13%) Apache Spark
7 16 (1.55%) Confluence
8 14 (1.35%) OpenStack
9 10 (0.97%) MQSeries
10 9 (0.87%) SharePoint
11 7 (0.68%) MS Exchange
12 6 (0.58%) WebSphere
13 5 (0.48%) Apache Airflow
13 5 (0.48%) JBoss
14 4 (0.39%) CMS
14 4 (0.39%) Luigi
14 4 (0.39%) Skype for Business
15 3 (0.29%) Adobe Experience Manager
15 3 (0.29%) IBM Transformation Extender
15 3 (0.29%) LiveCycle
Applications
1 7 (0.68%) Microsoft Excel
2 5 (0.48%) Microsoft Office
3 3 (0.29%) Acrobat
3 3 (0.29%) Adobe Illustrator
3 3 (0.29%) InDesign
3 3 (0.29%) Microsoft PowerPoint
3 3 (0.29%) Photoshop
4 2 (0.19%) Spreadsheet
5 1 (0.097%) Maya
5 1 (0.097%) NUKE
Business Applications
1 6 (0.58%) R3 Corda
1 6 (0.58%) Salerio
2 4 (0.39%) Eikon
3 3 (0.29%) SnowdropKCS
4 1 (0.097%) FINCAD Analytics
Cloud Services
1 323 (31.21%) AWS
2 138 (13.33%) Azure
3 86 (8.31%) GCP
4 49 (4.73%) AWS CloudFormation
5 39 (3.77%) SaaS
6 26 (2.51%) Amazon S3
7 24 (2.32%) PaaS
8 22 (2.13%) Amazon EC2
8 22 (2.13%) Serverless
9 21 (2.03%) Office 365
10 18 (1.74%) Virtual Private Cloud
11 16 (1.55%) GitHub
12 15 (1.45%) AWS Lambda
12 15 (1.45%) Slack
13 13 (1.26%) Datadog
13 13 (1.26%) Route 53
14 12 (1.16%) Cloud Computing
15 11 (1.06%) Amazon CloudWatch
16 10 (0.97%) IaaS
17 7 (0.68%) G Suite
Communications & Networking
1 64 (6.18%) Firewall
2 52 (5.02%) TCP/IP
3 44 (4.25%) DNS
4 36 (3.48%) HTTP
5 28 (2.71%) SAN
6 23 (2.22%) DHCP
7 19 (1.84%) LAN
8 17 (1.64%) Intrusion Detection
8 17 (1.64%) Network Security
9 16 (1.55%) Internet
9 16 (1.55%) WAN
10 14 (1.35%) IPsec
11 12 (1.16%) VPN
11 12 (1.16%) Wireshark
12 11 (1.06%) BGP
12 11 (1.06%) SSL
13 9 (0.87%) OSPF
14 8 (0.77%) HTTPS
14 8 (0.77%) MPLS
15 7 (0.68%) SNMP
Database & Business Intelligence
1 97 (9.37%) PostgreSQL
2 86 (8.31%) SQL Server
3 85 (8.21%) MySQL
4 55 (5.31%) NoSQL
5 47 (4.54%) Relational Database
6 44 (4.25%) Big Data
7 42 (4.06%) Oracle Database
8 31 (3.00%) Apache Cassandra
9 30 (2.90%) Blockchain
10 29 (2.80%) Redis
11 26 (2.51%) Oracle Database 12c
12 25 (2.42%) MongoDB
13 22 (2.13%) Hadoop
13 22 (2.13%) InfluxDB
13 22 (2.13%) KDB
14 19 (1.84%) Amazon RDS
15 17 (1.64%) RDBMS
16 16 (1.55%) Apache Hive
17 12 (1.16%) HBase
18 11 (1.06%) Data Mining
Development Applications
1 125 (12.08%) Git (software)
2 119 (11.50%) Jenkins
3 57 (5.51%) JIRA
4 25 (2.42%) Bitbucket
5 20 (1.93%) TeamCity
6 18 (1.74%) Subversion
7 16 (1.55%) Artifactory
7 16 (1.55%) Vagrant
8 14 (1.35%) git-flow
9 13 (1.26%) GitLab
10 12 (1.16%) Selenium
11 11 (1.06%) Sonatype Nexus
12 9 (0.87%) Maven
12 9 (0.87%) Octopus Deploy
13 8 (0.77%) Cucumber
13 8 (0.77%) JUnit
13 8 (0.77%) RSpec
14 6 (0.58%) Oracle APEX
14 6 (0.58%) Team Foundation Server
14 6 (0.58%) Visual Studio
General
1 394 (38.07%) Finance
2 117 (11.30%) Banking
3 38 (3.67%) Retail
4 37 (3.57%) Front Office
5 31 (3.00%) Back Office
6 26 (2.51%) Games
7 25 (2.42%) Marketing
8 24 (2.32%) Investment Banking
9 22 (2.13%) Advertising
10 19 (1.84%) Financial Institution
11 12 (1.16%) Law
11 12 (1.16%) Telecoms
12 7 (0.68%) Public Sector
13 5 (0.48%) Publishing
14 4 (0.39%) French Language
14 4 (0.39%) Legal
14 4 (0.39%) Manufacturing
15 3 (0.29%) Electronics
15 3 (0.29%) International Banking
15 3 (0.29%) Pharmaceutical
Job Titles
1 278 (26.86%) Developer
2 176 (17.00%) DevOps Engineer
3 84 (8.12%) Linux Engineer
4 77 (7.44%) Java Developer
5 64 (6.18%) Senior Developer
6 63 (6.09%) Python Developer
7 62 (5.99%) Analyst
8 61 (5.89%) Software Engineer
9 56 (5.41%) Cloud Engineer
10 55 (5.31%) Support Engineer
11 54 (5.22%) Python Engineer
12 53 (5.12%) AWS Engineer
13 46 (4.44%) Applications Support
14 45 (4.35%) C++ Developer
15 42 (4.06%) Junior
16 41 (3.96%) Senior DevOps
17 40 (3.86%) Senior DevOps Engineer
18 32 (3.09%) Infrastructure Engineer
18 32 (3.09%) Team Leader
19 29 (2.80%) Administrator
Libraries, Frameworks & Software Standards
1 76 (7.34%) CSS
2 74 (7.15%) HTML
2 74 (7.15%) Kafka
3 62 (5.99%) Spring
3 62 (5.99%) Web Services
4 58 (5.60%) .NET
5 53 (5.12%) Elastic Stack
5 53 (5.12%) Node.js
6 52 (5.02%) React
7 51 (4.93%) Django
8 48 (4.64%) REST
9 44 (4.25%) XML
10 40 (3.86%) Spring Boot
11 37 (3.57%) AngularJS
12 26 (2.51%) FIX Protocol
13 23 (2.22%) HTML5
13 23 (2.22%) XSLT
14 19 (1.84%) Flask
14 19 (1.84%) RabbitMQ
14 19 (1.84%) Vue.js
Miscellaneous
1 69 (6.67%) Analytical Skills
2 63 (6.09%) Greenfield Project
3 61 (5.89%) Hedge funds
4 57 (5.51%) Data Centre
4 57 (5.51%) Self-Motivation
5 51 (4.93%) Algorithms
6 48 (4.64%) Public Cloud
7 47 (4.54%) Management Information System
8 46 (4.44%) Fixed Income
9 41 (3.96%) Linux Command Line
10 35 (3.38%) Data Structures
11 29 (2.80%) Mobile App
12 26 (2.51%) Enterprise Software
13 22 (2.13%) Equities
14 19 (1.84%) User Experience
15 17 (1.64%) Derivative
16 16 (1.55%) Cyberthreat
17 14 (1.35%) Replication
18 11 (1.06%) iPad
18 11 (1.06%) Virtual Team
Operating Systems
1 280 (27.05%) Windows
2 242 (23.38%) Unix
3 58 (5.60%) CentOS
4 52 (5.02%) Red Hat Enterprise Linux
5 51 (4.93%) Windows Server
6 30 (2.90%) Ubuntu
7 27 (2.61%) Apple iOS
8 26 (2.51%) Android
9 20 (1.93%) Solaris
10 14 (1.35%) Mac OS X
11 11 (1.06%) Mac OS
11 11 (1.06%) Windows 10
12 10 (0.97%) Windows 7
12 10 (0.97%) Windows Server 2008
13 7 (0.68%) Debian
14 5 (0.48%) Oracle Linux
14 5 (0.48%) Windows Server 2012
15 4 (0.39%) Windows Server 2003
15 4 (0.39%) zOS
16 2 (0.19%) Fedora
Processes & Methodologies
1 312 (30.14%) DevOps
2 211 (20.39%) Agile Software Development
3 165 (15.94%) Software Engineering
4 144 (13.91%) Fintech
5 136 (13.14%) Computer Science
6 112 (10.82%) Infrastructure as Code
7 109 (10.53%) Problem-Solving
8 101 (9.76%) Continuous Integration
9 84 (8.12%) OO
10 83 (8.02%) Test Automation
11 71 (6.86%) Microservices
12 65 (6.28%) SDLC
13 64 (6.18%) Low Latency
13 64 (6.18%) Open Source
14 62 (5.99%) Configuration Management
15 59 (5.70%) ITIL
16 56 (5.41%) Analytics
17 55 (5.31%) Infrastructure Engineering
18 54 (5.22%) Scrum
18 54 (5.22%) Site Reliability Engineering
Programming Languages
1 523 (50.53%) Python
2 257 (24.83%) Java
3 255 (24.64%) SQL
4 170 (16.43%) Bash Shell
5 140 (13.53%) C++
6 112 (10.82%) JavaScript
7 97 (9.37%) PowerShell
8 88 (8.50%) C#
9 58 (5.60%) Shell Script
10 55 (5.31%) Ruby
11 50 (4.83%) Perl
12 40 (3.86%) PHP
13 36 (3.48%) Go
14 35 (3.38%) C
15 24 (2.32%) Java 8
16 22 (2.13%) Korn
17 14 (1.35%) T-SQL
18 13 (1.26%) Bourne shell
18 13 (1.26%) C-shell
18 13 (1.26%) Scala
Qualifications
1 159 (15.36%) Degree
2 73 (7.05%) Computer Science Degree
3 23 (2.22%) Cisco Certification
4 16 (1.55%) Master's Degree
4 16 (1.55%) Microsoft Certification
5 13 (1.26%) CCNP
5 13 (1.26%) CISSP
6 12 (1.16%) CCNA
7 9 (0.87%) MCSA
8 8 (0.77%) CISM
8 8 (0.77%) Security Cleared
9 7 (0.68%) MCSE
10 6 (0.58%) AWS Certification
10 6 (0.58%) CEH
10 6 (0.58%) GIAC
10 6 (0.58%) MBA
10 6 (0.58%) MCP
10 6 (0.58%) Numerate Degree
10 6 (0.58%) SC Cleared
11 5 (0.48%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 69 (6.67%) QA
2 29 (2.80%) SLA
3 15 (1.45%) GDPR
4 9 (0.87%) PCI DSS
5 8 (0.77%) ISO/IEC 27001
6 7 (0.68%) Data Quality
7 2 (0.19%) ISO/IEC 20000
7 2 (0.19%) NIST
8 1 (0.097%) Cyber Essentials
8 1 (0.097%) FINRA
8 1 (0.097%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 229 (22.13%) Docker
2 41 (3.96%) Active Directory
3 35 (3.38%) VMware Infrastructure
4 19 (1.84%) Apache ZooKeeper
5 16 (1.55%) Virtual Machines
6 12 (1.16%) Firmware
7 11 (1.06%) Xen
8 9 (0.87%) HDFS
9 8 (0.77%) KVM
9 8 (0.77%) VMware ESXi
10 6 (0.58%) vSphere
11 5 (0.48%) Hyper-V
11 5 (0.48%) NFS
11 5 (0.48%) VMware Workstation
12 4 (0.39%) RACF
12 4 (0.39%) XenApp
13 3 (0.29%) Job Entry Subsystem
14 2 (0.19%) ProxySG
14 2 (0.19%) Virtual Servers
14 2 (0.19%) XenDesktop
Systems Management
1 183 (17.68%) Ansible
2 143 (13.82%) Kubernetes
3 124 (11.98%) Terraform
4 97 (9.37%) Puppet
5 89 (8.60%) Opscode Chef
6 44 (4.25%) Packer
7 37 (3.57%) Grafana
8 36 (3.48%) Salt
9 23 (2.22%) Nagios
10 16 (1.55%) Prometheus
11 10 (0.97%) Consul
11 10 (0.97%) SCCM
12 9 (0.87%) Kibana
13 8 (0.77%) Graphite
13 8 (0.77%) Icinga
14 7 (0.68%) Data Guard
14 7 (0.68%) Oracle Enterprise Manager
15 6 (0.58%) Oozie
15 6 (0.58%) Oracle RMAN
16 5 (0.48%) Matomo
Vendors
1 105 (10.14%) Oracle
2 74 (7.15%) Microsoft
3 71 (6.86%) Red Hat
4 69 (6.67%) VMware
5 58 (5.60%) Google
6 33 (3.19%) Sybase
7 29 (2.80%) Cisco
8 20 (1.93%) Atlassian
9 19 (1.84%) IBM
10 15 (1.45%) ServiceNow
11 14 (1.35%) Citrix
11 14 (1.35%) HP
11 14 (1.35%) NetApp
11 14 (1.35%) Splunk
11 14 (1.35%) Veeam
12 13 (1.26%) Bloomberg
12 13 (1.26%) Reuters
13 12 (1.16%) Brocade
14 11 (1.06%) Juniper
15 10 (0.97%) Palo Alto