Period
to 20 January 2019

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 20 January 2019 with a comparison to the same period in the previous 2 years.

Linux
England > London
6 months to
20 Jan 2019
Same period 2018 Same period 2017
Rank 19 16 15
Rank change year-on-year -3 -1 0
Permanent jobs citing Linux 6,399 7,598 8,312
As % of all permanent IT jobs advertised in London 10.29% 10.87% 11.74%
As % of the Operating Systems category 45.60% 44.87% 47.69%
Number of salaries quoted 5,232 5,999 7,046
London median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +4.35%
10th Percentile £38,750 £36,500 £35,738
90th Percentile £95,000 £90,000 £88,750
England median annual salary £55,000 £50,000 £50,000
% change year-on-year +10.00% - +3.09%

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 14,032 16,934 17,429
As % of all permanent IT jobs advertised in London 22.57% 24.22% 24.63%
Number of salaries quoted 11,597 13,627 15,029
London median annual salary £60,000 £55,000 £55,000
Median salary % change year-on-year +9.09% - +4.76%
10th Percentile £30,000 £30,500 £29,750
90th Percentile £90,000 £85,000 £85,000
England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - -

Linux
Job Vacancy Trend in London

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

Job vacancy trend for Linux in London

Linux
Salary Trend in London

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

Salary trend for Linux in London

Linux
Salary Histogram in London

The salary distribution of IT jobs citing Linux in London over the 6 months to 20 January 2019.

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 20 January 2019. 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 1,331 £70,000 +12.00% 380
West London +1 249 £55,000 - 189
South London +8 188 £57,500 +27.78% 30
East London -6 60 £62,500 - 68
North London -10 20 £47,500 -13.64% 11
Linux
England

For the 6 months to 20 January 2019, 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 2,644 (41.32%) Python
2 2,264 (35.38%) DevOps
3 2,194 (34.29%) Windows
4 2,178 (34.04%) Amazon AWS
5 1,822 (28.47%) Java
6 1,810 (28.29%) Finance
7 1,736 (27.13%) SQL
8 1,637 (25.58%) Agile Software Development
9 1,595 (24.93%) Docker
10 1,463 (22.86%) Ansible
11 1,395 (21.80%) Unix
12 1,200 (18.75%) Git (software)
13 1,149 (17.96%) Bash Shell
14 1,128 (17.63%) Puppet
15 1,126 (17.60%) Jenkins
16 1,103 (17.24%) Microsoft Azure
17 1,029 (16.08%) Kubernetes
18 899 (14.05%) Opscode Chef
19 803 (12.55%) JavaScript
20 802 (12.53%) Continuous Integration
21 793 (12.39%) Red Hat
22 754 (11.78%) Terraform
23 743 (11.61%) Degree
24 739 (11.55%) Oracle
25 717 (11.20%) MySQL
26 712 (11.13%) C++
27 708 (11.06%) Microsoft
28 681 (10.64%) VMware
29 671 (10.49%) Software Engineering
30 655 (10.24%) PowerShell

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
1 546 (8.53%) Apache
2 265 (4.14%) Elasticsearch
3 252 (3.94%) Confluence
4 246 (3.84%) Tomcat
5 216 (3.38%) Apache Spark
6 213 (3.33%) nginx
7 199 (3.11%) IIS
8 113 (1.77%) MS Exchange
8 113 (1.77%) OpenStack
9 104 (1.63%) SharePoint
10 82 (1.28%) WebSphere
11 76 (1.19%) WordPress
12 75 (1.17%) CMS
13 61 (0.95%) JBoss
14 54 (0.84%) Apache Solr
15 47 (0.73%) Drupal
16 40 (0.63%) Exchange Server 2010
17 33 (0.52%) Skype for Business
18 28 (0.44%) Ethereum
18 28 (0.44%) Exchange Server 2013
Applications
1 107 (1.67%) Microsoft Office
2 39 (0.61%) MS Visio
3 34 (0.53%) Microsoft Excel
4 22 (0.34%) Photoshop
5 20 (0.31%) Microsoft PowerPoint
6 18 (0.28%) Adobe Illustrator
7 6 (0.094%) Spreadsheet
8 4 (0.063%) Adobe Creative Suite
8 4 (0.063%) Adobe Premiere
8 4 (0.063%) Maple
9 3 (0.047%) AutoCAD
9 3 (0.047%) Avid Media Composer
10 2 (0.031%) HipChat
11 1 (0.016%) Adobe After Effects
11 1 (0.016%) Houdini
11 1 (0.016%) Maya
11 1 (0.016%) NUKE
Business Applications
1 31 (0.48%) Dynamics CRM
2 29 (0.45%) Distributed Ledger
3 22 (0.34%) Magento
4 15 (0.23%) Oracle EBS
5 11 (0.17%) Oracle Retail
5 11 (0.17%) Remedy ITSM
6 8 (0.13%) Eagle PACE
6 8 (0.13%) Front Arena
6 8 (0.13%) Markit EDM
6 8 (0.13%) Relativity
6 8 (0.13%) thinkFolio
7 6 (0.094%) Oracle BPM
7 6 (0.094%) Salerio
7 6 (0.094%) SAP Hybris
8 5 (0.078%) Global One
8 5 (0.078%) Oracle Applications
8 5 (0.078%) R3 Corda
8 5 (0.078%) SAP Oil and Gas
8 5 (0.078%) SAP S/4HANA
9 4 (0.063%) Concordance
Cloud Services
1 2,178 (34.04%) Amazon AWS
2 1,103 (17.24%) Microsoft Azure
3 527 (8.24%) Google Cloud Platform
4 351 (5.49%) AWS CloudFormation
5 303 (4.74%) SaaS
6 292 (4.56%) Amazon EC2
7 244 (3.81%) Office 365
8 228 (3.56%) Amazon S3
9 193 (3.02%) GitHub
10 182 (2.84%) Cloud Computing
11 180 (2.81%) PaaS
12 146 (2.28%) IaaS
13 144 (2.25%) Amazon CloudWatch
14 141 (2.20%) Serverless
15 118 (1.84%) AWS Lambda
16 117 (1.83%) Azure Active Directory
17 99 (1.55%) Amazon SQS
18 94 (1.47%) Virtual Private Cloud
19 77 (1.20%) Route 53
20 67 (1.05%) OpenShift
Communications & Networking
1 633 (9.89%) Firewall
2 377 (5.89%) TCP/IP
3 315 (4.92%) DNS
4 226 (3.53%) VPN
5 203 (3.17%) SAN
6 174 (2.72%) WAN
7 160 (2.50%) LAN
8 149 (2.33%) Internet
9 127 (1.98%) HTTP
10 104 (1.63%) DHCP
11 100 (1.56%) Network Security
12 93 (1.45%) SSL
12 93 (1.45%) VoIP
13 91 (1.42%) VLAN
14 75 (1.17%) Intrusion Detection
14 75 (1.17%) NAS
15 59 (0.92%) SSH
16 55 (0.86%) BGP
17 49 (0.77%) Wi-Fi
18 40 (0.63%) Wireless
Database & Business Intelligence
1 717 (11.20%) MySQL
2 559 (8.74%) SQL Server
3 432 (6.75%) PostgreSQL
4 370 (5.78%) Big Data
5 351 (5.49%) Relational Database
6 348 (5.44%) NoSQL
7 257 (4.02%) MongoDB
8 254 (3.97%) Hadoop
9 202 (3.16%) Oracle Database
10 185 (2.89%) Amazon RDS
11 173 (2.70%) Redis
12 163 (2.55%) Apache Cassandra
13 145 (2.27%) Data Warehouse
14 129 (2.02%) Blockchain
15 110 (1.72%) Apache Hive
16 104 (1.63%) RDBMS
17 78 (1.22%) HBase
18 70 (1.09%) SQL Server Integration Services
19 60 (0.94%) Amazon Redshift
19 60 (0.94%) MariaDB
Development Applications
1 1,200 (18.75%) Git (software)
2 1,126 (17.60%) Jenkins
3 534 (8.35%) JIRA
4 334 (5.22%) TeamCity
5 313 (4.89%) Maven
6 285 (4.45%) Atlassian Bamboo
7 280 (4.38%) Subversion
8 277 (4.33%) Octopus Deploy
9 169 (2.64%) Selenium
10 151 (2.36%) Gradle
11 148 (2.31%) Team Foundation Server
12 133 (2.08%) JUnit
13 130 (2.03%) Vagrant
14 101 (1.58%) GitLab
15 93 (1.45%) Bitbucket
16 92 (1.44%) Travis CI
17 82 (1.28%) Cucumber
18 76 (1.19%) Sonatype Nexus
19 60 (0.94%) GoCD
20 54 (0.84%) Hudson
General
1 1,810 (28.29%) Finance
2 590 (9.22%) Banking
3 244 (3.81%) Front Office
4 179 (2.80%) Games
5 170 (2.66%) Retail
6 164 (2.56%) Marketing
7 139 (2.17%) Telecoms
8 138 (2.16%) Investment Banking
9 119 (1.86%) Law
10 111 (1.73%) Advertising
11 97 (1.52%) Back Office
12 92 (1.44%) Legal
13 72 (1.13%) Publishing
14 68 (1.06%) Financial Institution
15 26 (0.41%) Electronics
16 22 (0.34%) Pharmaceutical
17 21 (0.33%) Manufacturing
18 19 (0.30%) Military
19 17 (0.27%) German Language
20 14 (0.22%) Spanish Language
Job Titles
1 1,332 (20.82%) Developer
2 1,203 (18.80%) DevOps Engineer
3 541 (8.45%) Linux Engineer
4 529 (8.27%) Java Developer
5 458 (7.16%) Analyst
6 457 (7.14%) Administrator
7 351 (5.49%) Systems Administrator
8 314 (4.91%) Applications Support
9 306 (4.78%) Software Engineer
10 287 (4.49%) Infrastructure Engineer
11 285 (4.45%) AWS Engineer
12 283 (4.42%) Linux/Unix DevOps
13 273 (4.27%) Support Analyst
14 270 (4.22%) Support Engineer
15 264 (4.13%) Senior Developer
16 254 (3.97%) Senior DevOps
17 248 (3.88%) Architect
18 242 (3.78%) AWS DevOps
19 226 (3.53%) Consultant
20 211 (3.30%) Systems Engineer
Libraries, Frameworks & Software Standards
1 587 (9.17%) Web Services
2 519 (8.11%) HTML
3 404 (6.31%) CSS
4 387 (6.05%) .NET
5 364 (5.69%) Spring
6 339 (5.30%) Node.js
7 327 (5.11%) LAMP
8 281 (4.39%) Kafka
9 279 (4.36%) AngularJS
10 262 (4.09%) Elastic Stack
11 250 (3.91%) XML
12 231 (3.61%) RESTful
13 215 (3.36%) React
14 208 (3.25%) JSON
15 195 (3.05%) REST
16 187 (2.92%) HTML5
17 173 (2.70%) jQuery
18 163 (2.55%) FIX Protocol
19 142 (2.22%) SOAP
20 136 (2.13%) Middleware
Miscellaneous
1 508 (7.94%) Fintech
2 420 (6.56%) Analytical Skills
3 343 (5.36%) Linux Command Line
4 266 (4.16%) Hedge funds
5 237 (3.70%) Data Centre
6 192 (3.00%) Equities
7 189 (2.95%) Greenfield Project
8 184 (2.88%) Algorithms
9 176 (2.75%) Foreign Exchange (FX)
10 170 (2.66%) Self-Motivation
11 165 (2.58%) Data Structures
12 157 (2.45%) Fixed Income
13 146 (2.28%) Management Information System
14 135 (2.11%) Public Cloud
15 133 (2.08%) Derivative
16 117 (1.83%) Enterprise Software
17 114 (1.78%) User Experience
18 107 (1.67%) Clustering
19 104 (1.63%) Private Cloud
20 82 (1.28%) Mobile App
Operating Systems
1 2,194 (34.29%) Windows
2 1,395 (21.80%) Unix
3 633 (9.89%) Red Hat Enterprise Linux
4 542 (8.47%) Windows Server
5 496 (7.75%) CentOS
6 400 (6.25%) Ubuntu
7 193 (3.02%) Solaris
8 168 (2.63%) Debian
9 158 (2.47%) Windows Server 2012
10 145 (2.27%) Windows Server 2008
11 133 (2.08%) Android
12 122 (1.91%) Apple iOS
13 108 (1.69%) Windows 10
14 82 (1.28%) Windows 7
15 76 (1.19%) Mac OS X
16 75 (1.17%) Fedora
17 73 (1.14%) AIX
18 62 (0.97%) Mac OS
19 60 (0.94%) SUSE
20 54 (0.84%) CoreOS
Processes & Methodologies
1 2,264 (35.38%) DevOps
2 1,637 (25.58%) Agile Software Development
3 802 (12.53%) Continuous Integration
4 671 (10.49%) Software Engineering
5 644 (10.06%) Configuration Management
6 617 (9.64%) Problem-Solving
7 607 (9.49%) Open Source
8 566 (8.85%) Test Automation
9 556 (8.69%) Computer Science
10 506 (7.91%) Microservices
11 473 (7.39%) Infrastructure Engineering
12 429 (6.70%) ITIL
13 426 (6.66%) TDD
14 384 (6.00%) Analytics
15 383 (5.99%) Cybersecurity
16 355 (5.55%) Scrum
17 344 (5.38%) Continuous Delivery
18 336 (5.25%) Information Security
19 322 (5.03%) Machine Learning
20 299 (4.67%) High Availability
Programming Languages
1 2,644 (41.32%) Python
2 1,822 (28.47%) Java
3 1,736 (27.13%) SQL
4 1,149 (17.96%) Bash Shell
5 803 (12.55%) JavaScript
6 712 (11.13%) C++
7 655 (10.24%) PowerShell
8 652 (10.19%) Perl
9 597 (9.33%) Ruby
10 545 (8.52%) PHP
11 503 (7.86%) C#
12 429 (6.70%) Shell Script
13 332 (5.19%) Go
14 251 (3.92%) C
15 170 (2.66%) Scala
16 143 (2.23%) PL/SQL
17 114 (1.78%) Java 8
18 106 (1.66%) Korn
19 81 (1.27%) Bourne shell
20 79 (1.23%) Groovy
Qualifications
1 743 (11.61%) Degree
2 305 (4.77%) Computer Science Degree
3 171 (2.67%) CISSP
4 159 (2.48%) Security Cleared
5 143 (2.23%) Microsoft Certification
6 137 (2.14%) Cisco Certification
7 116 (1.81%) CCNA
8 102 (1.59%) MCSE
9 97 (1.52%) SC Cleared
10 81 (1.27%) CEH
11 75 (1.17%) RHCE
12 74 (1.16%) AWS Certification
13 63 (0.98%) Numerate Degree
14 59 (0.92%) PhD
15 58 (0.91%) GIAC
16 57 (0.89%) CISM
17 52 (0.81%) MCSA
18 50 (0.78%) DV Cleared
19 49 (0.77%) CompTIA Security+
19 49 (0.77%) SANS
Quality Assurance & Compliance
1 312 (4.88%) QA
2 138 (2.16%) ISO/IEC 27001
3 89 (1.39%) GDPR
4 51 (0.80%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
5 47 (0.73%) SLA
6 40 (0.63%) Data Quality
7 39 (0.61%) PCI DSS
8 38 (0.59%) MiFID
9 18 (0.28%) ISO/IEC 20000
10 15 (0.23%) HL7
11 11 (0.17%) COBIT
12 10 (0.16%) ISO 22301
12 10 (0.16%) SEPA
13 9 (0.14%) PMO
14 8 (0.13%) ISO 20022
15 6 (0.094%) Cyber Essentials
15 6 (0.094%) ISO 9000
16 5 (0.078%) Sarbanes-Oxley
17 4 (0.063%) JSP 440
18 3 (0.047%) GPG13
System Software
1 1,595 (24.93%) Docker
2 618 (9.66%) Active Directory
3 454 (7.09%) VMware Infrastructure
4 150 (2.34%) Virtual Machines
5 140 (2.19%) Hyper-V
6 115 (1.80%) vSphere
7 94 (1.47%) VMware ESXi
8 63 (0.98%) HDFS
9 58 (0.91%) KVM
10 52 (0.81%) NFS
11 50 (0.78%) XenApp
12 47 (0.73%) Virtual Servers
13 46 (0.72%) Apache ZooKeeper
14 44 (0.69%) Snort
15 38 (0.59%) iptables
16 35 (0.55%) Xen
17 26 (0.41%) XenDesktop
18 24 (0.38%) Oracle RAC
19 23 (0.36%) Varnish
20 22 (0.34%) VirtualBox
Systems Management
1 1,463 (22.86%) Ansible
2 1,128 (17.63%) Puppet
3 1,029 (16.08%) Kubernetes
4 899 (14.05%) Opscode Chef
5 754 (11.78%) Terraform
6 246 (3.84%) Salt
7 166 (2.59%) Nagios
8 131 (2.05%) Prometheus
9 120 (1.88%) Docker Swarm
10 99 (1.55%) SCCM
11 97 (1.52%) Packer
12 88 (1.38%) Consul
13 81 (1.27%) Mesos
14 74 (1.16%) Grafana
15 73 (1.14%) Kibana
16 70 (1.09%) HAProxy
17 67 (1.05%) ZABBIX
18 64 (1.00%) Graphite
19 59 (0.92%) logstash
20 57 (0.89%) Automic
Vendors
1 793 (12.39%) Red Hat
2 739 (11.55%) Oracle
3 708 (11.06%) Microsoft
4 681 (10.64%) VMware
5 408 (6.38%) Google
6 326 (5.09%) Cisco
7 198 (3.09%) Splunk
8 185 (2.89%) Citrix
9 142 (2.22%) HP
10 135 (2.11%) Atlassian
11 120 (1.88%) NetApp
12 114 (1.78%) New Relic
13 112 (1.75%) IBM
14 110 (1.72%) Sybase
15 96 (1.50%) EMC
16 89 (1.39%) SaltStack
17 79 (1.23%) ServiceNow
18 74 (1.16%) AppDynamics
19 71 (1.11%) Apple
20 70 (1.09%) Dell