Period
to 22 October 2017

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 22 October 2017 with a comparison to the same period in the previous 2 years.

Linux
England > London
6 months to
22 Oct 2017
Same period 2016 Same period 2015
Rank 16 16 15
Rank change year-on-year 0 -1 +1
Permanent jobs citing Linux 8626 8662 10177
As % of all permanent IT jobs advertised in London 11.64% 11.35% 11.45%
As % of the Operating Systems category 46.21% 45.22% 42.20%
Number of salaries quoted 6584 7464 8664
London median annual salary £60,000 £57,500 £57,500
Median salary % change year-on-year +4.35% - +4.55%
10th Percentile £35,000 £35,000 £36,000
90th Percentile £90,000 £85,000 £86,250
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

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 18667 19156 24115
As % of all permanent IT jobs advertised in London 25.18% 25.10% 27.14%
Number of salaries quoted 14345 16664 20740
London median annual salary £55,000 £55,000 £52,500
Median salary % change year-on-year - +4.76% +5.00%
10th Percentile £30,000 £29,000 £28,500
90th Percentile £85,000 £81,250 £80,000
England median annual salary £45,000 £45,000 £45,000

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 22 October 2017.

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 22 October 2017. 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 0 1404 £60,000 +3.45% 169
West London 0 400 £57,500 +15.00% 47
South London -5 176 £42,500 -5.56% 10
East London -11 77 £62,500 +4.17% 29
North London +7 40 £47,500 -5.00% 4
Linux
England

For the 6 months to 22 October 2017, IT jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for Linux.

1 2846 (32.99%) Finance
2 2702 (31.32%) Python
3 2695 (31.24%) Java
4 2540 (29.45%) Windows
4 2540 (29.45%) DevOps
5 2382 (27.61%) Agile Software Development
6 2247 (26.05%) Unix
7 2116 (24.53%) Amazon AWS
8 2104 (24.39%) SQL
9 1571 (18.21%) Jenkins
10 1484 (17.20%) Banking
11 1478 (17.13%) Puppet
12 1441 (16.71%) Ansible
13 1381 (16.01%) Git (software)
14 1304 (15.12%) Docker
15 1249 (14.48%) Continuous Integration
16 1247 (14.46%) Degree
17 1236 (14.33%) MySQL
18 1189 (13.78%) Bash Shell
19 1122 (13.01%) VMware
20 1057 (12.25%) JavaScript
21 1010 (11.71%) Opscode Chef
22 999 (11.58%) Oracle
22 999 (11.58%) Red Hat
23 980 (11.36%) Apache
24 952 (11.04%) Perl
25 949 (11.00%) C++
26 932 (10.80%) Firewall
27 901 (10.45%) Computer Science
28 862 (9.99%) Configuration Management

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
1 980 (11.36%) Apache
2 591 (6.85%) Tomcat
3 360 (4.17%) Elasticsearch
4 334 (3.87%) nginx
5 311 (3.61%) IIS
6 306 (3.55%) Confluence
7 298 (3.45%) OpenStack
8 225 (2.61%) Apache Spark
9 191 (2.21%) WebSphere
10 161 (1.87%) MS Exchange
11 144 (1.67%) CMS
12 134 (1.55%) JBoss
12 134 (1.55%) WebLogic
13 94 (1.09%) SharePoint
14 92 (1.07%) WordPress
15 86 (1.00%) Skype for Business
16 72 (0.83%) Jetty
17 70 (0.81%) Apache Solr
18 66 (0.77%) Exchange Server 2010
19 63 (0.73%) Drupal
Applications
1 99 (1.15%) Microsoft Office
2 93 (1.08%) Microsoft Excel
3 45 (0.52%) MS Visio
4 29 (0.34%) Photoshop
5 23 (0.27%) Spreadsheet
6 21 (0.24%) Microsoft PowerPoint
7 17 (0.20%) SPSS
8 11 (0.13%) Adobe Creative Suite
9 9 (0.10%) HipChat
10 8 (0.093%) Adobe Illustrator
11 5 (0.058%) Campfire
12 4 (0.046%) CINEMA 4D
13 3 (0.035%) CPLEX
14 2 (0.023%) Autodesk Flame
14 2 (0.023%) LaTeX
14 2 (0.023%) OrCAD
15 1 (0.012%) GNU Octave
15 1 (0.012%) InCopy
15 1 (0.012%) InDesign
15 1 (0.012%) Weka
Business Applications
1 47 (0.54%) Magento
2 23 (0.27%) RMDS
3 22 (0.26%) Payment Gateway
4 21 (0.24%) Dynamics CRM
5 14 (0.16%) Dynamics NAV
6 13 (0.15%) Temenos T24
7 12 (0.14%) SAP BPC
8 11 (0.13%) Oracle Applications
9 10 (0.12%) Oracle EBS
9 10 (0.12%) SAP Hybris
10 8 (0.093%) Markit EDM
10 8 (0.093%) MetaTrader
11 7 (0.081%) FLEXCUBE
11 7 (0.081%) Remedy ITSM
12 5 (0.058%) BusinessWorks
12 5 (0.058%) R3 Corda
12 5 (0.058%) thinkFolio
13 4 (0.046%) ION MarketView
13 4 (0.046%) Kondor
13 4 (0.046%) Workday HCM
Cloud Services
1 2116 (24.53%) Amazon AWS
2 799 (9.26%) Microsoft Azure
3 351 (4.07%) SaaS
4 257 (2.98%) GitHub
5 230 (2.67%) AWS CloudFormation
6 229 (2.65%) Office 365
7 198 (2.30%) Google Cloud Platform
8 190 (2.20%) Amazon EC2
9 162 (1.88%) Cloud Computing
10 160 (1.85%) IaaS
11 152 (1.76%) PaaS
12 116 (1.34%) Amazon S3
13 73 (0.85%) Serverless
14 68 (0.79%) Virtual Private Cloud
15 64 (0.74%) AWS Lambda
16 42 (0.49%) Amazon ELB
17 41 (0.48%) Amazon CloudWatch
17 41 (0.48%) Amazon SQS
18 38 (0.44%) Route 53
19 37 (0.43%) Amazon EMR
Communications & Networking
1 932 (10.80%) Firewall
2 723 (8.38%) TCP/IP
3 571 (6.62%) DNS
4 344 (3.99%) HTTP
5 339 (3.93%) SAN
6 326 (3.78%) VPN
7 297 (3.44%) Internet
8 290 (3.36%) WAN
9 234 (2.71%) LAN
10 205 (2.38%) DHCP
11 189 (2.19%) Network Security
12 184 (2.13%) BGP
13 171 (1.98%) SSL
14 156 (1.81%) LDAP
15 144 (1.67%) VLAN
16 133 (1.54%) OSPF
17 132 (1.53%) VoIP
18 122 (1.41%) Cisco ASA
19 110 (1.28%) IPsec
20 107 (1.24%) MPLS
Database & Business Intelligence
1 1236 (14.33%) MySQL
2 781 (9.05%) SQL Server
3 594 (6.89%) NoSQL
4 563 (6.53%) MongoDB
5 530 (6.14%) Relational Database
6 433 (5.02%) PostgreSQL
7 421 (4.88%) Big Data
8 361 (4.19%) Hadoop
9 353 (4.09%) Apache Cassandra
10 268 (3.11%) RDBMS
11 246 (2.85%) Redis
12 190 (2.20%) Oracle Database
13 151 (1.75%) Amazon RDS
14 128 (1.48%) Blockchain
15 116 (1.34%) HBase
16 114 (1.32%) Apache Hive
17 104 (1.21%) Data Warehouse
18 95 (1.10%) SQL Server Integration Services
19 86 (1.00%) SQL Server 2008
20 79 (0.92%) SQL Server Reporting Services
Development Applications
1 1571 (18.21%) Jenkins
2 1381 (16.01%) Git (software)
3 737 (8.54%) JIRA
4 510 (5.91%) TeamCity
5 463 (5.37%) Maven
6 248 (2.88%) Selenium
7 244 (2.83%) Subversion
8 242 (2.81%) Atlassian Bamboo
9 192 (2.23%) JUnit
10 176 (2.04%) Gradle
11 168 (1.95%) Cucumber
12 166 (1.92%) Vagrant
13 148 (1.72%) Sonatype Nexus
14 120 (1.39%) Bitbucket
15 108 (1.25%) Hudson
16 106 (1.23%) Octopus Deploy
17 99 (1.15%) gulp
18 95 (1.10%) Team Foundation Server
19 80 (0.93%) WebDriver
20 79 (0.92%) Visual Studio
General
1 2846 (32.99%) Finance
2 1484 (17.20%) Banking
3 828 (9.60%) Investment Banking
4 674 (7.81%) Retail Banking
5 388 (4.50%) Telecoms
6 365 (4.23%) Front Office
7 310 (3.59%) Retail
8 305 (3.54%) Marketing
9 247 (2.86%) Games
10 132 (1.53%) Back Office
10 132 (1.53%) Financial Institution
11 112 (1.30%) Law
12 106 (1.23%) Manufacturing
13 101 (1.17%) Electronics
14 99 (1.15%) Legal
15 94 (1.09%) Publishing
16 90 (1.04%) Advertising
17 36 (0.42%) Online Betting
18 27 (0.31%) Billing
19 23 (0.27%) Private Banking
Job Titles
1 2211 (25.63%) Developer
2 1328 (15.40%) DevOps Engineer
3 713 (8.27%) Analyst
4 704 (8.16%) Java Developer
5 666 (7.72%) Linux Engineer
6 552 (6.40%) Administrator
7 508 (5.89%) Senior Developer
8 400 (4.64%) Linux/Unix DevOps
9 386 (4.47%) Systems Administrator
10 347 (4.02%) Support Analyst
11 334 (3.87%) Support Engineer
12 332 (3.85%) Linux Administrator
13 317 (3.67%) AWS Engineer
14 314 (3.64%) Applications Support
14 314 (3.64%) Software Engineer
15 305 (3.54%) Architect
16 303 (3.51%) Infrastructure Engineer
17 302 (3.50%) Systems Engineer
18 300 (3.48%) AWS DevOps
19 286 (3.32%) Consultant
Libraries, Frameworks & Software Standards
1 721 (8.36%) HTML
2 657 (7.62%) Web Services
3 563 (6.53%) CSS
4 484 (5.61%) Spring
5 459 (5.32%) .NET
6 446 (5.17%) LAMP
7 389 (4.51%) RESTful
8 386 (4.47%) AngularJS
9 366 (4.24%) REST
10 354 (4.10%) XML
11 348 (4.03%) Node.js
12 330 (3.83%) HTML5
13 269 (3.12%) Elastic Stack
14 266 (3.08%) Hibernate
15 255 (2.96%) jQuery
16 253 (2.93%) FIX Protocol
17 244 (2.83%) JSON
18 225 (2.61%) Kafka
19 212 (2.46%) SOAP
20 199 (2.31%) CSS3
Miscellaneous
1 901 (10.45%) Computer Science
2 639 (7.41%) Analytical Skills
3 530 (6.14%) Data Centre
4 459 (5.32%) Fintech
5 430 (4.98%) Equities
6 418 (4.85%) Foreign Exchange (FX)
7 376 (4.36%) Derivative
8 307 (3.56%) Linux Command Line
9 244 (2.83%) Fixed Income
10 238 (2.76%) Management Information System
11 226 (2.62%) Enterprise Software
12 217 (2.52%) Algorithms
13 214 (2.48%) User Experience
14 193 (2.24%) Clustering
15 190 (2.20%) Greenfield Project
16 189 (2.19%) Data Structures
17 184 (2.13%) Public Cloud
18 182 (2.11%) Hedge funds
19 112 (1.30%) Replication
20 111 (1.29%) Mobile App
Operating Systems
1 2540 (29.45%) Windows
2 2247 (26.05%) Unix
3 803 (9.31%) Red Hat Enterprise Linux
4 632 (7.33%) Windows Server
5 587 (6.81%) CentOS
6 445 (5.16%) Ubuntu
7 434 (5.03%) Solaris
8 215 (2.49%) Windows Server 2012
9 203 (2.35%) Windows Server 2008
10 194 (2.25%) Debian
11 163 (1.89%) Mac OS X
12 147 (1.70%) Android
12 147 (1.70%) Apple iOS
13 120 (1.39%) Windows 7
14 104 (1.21%) Windows 10
15 94 (1.09%) AIX
16 75 (0.87%) Mac OS
17 66 (0.77%) CoreOS
18 58 (0.67%) Windows Server 2003
19 44 (0.51%) Windows 8
Processes & Methodologies
1 2540 (29.45%) DevOps
2 2382 (27.61%) Agile Software Development
3 1249 (14.48%) Continuous Integration
4 862 (9.99%) Configuration Management
5 750 (8.69%) Asset Management
6 748 (8.67%) Open Source
7 736 (8.53%) TDD
8 725 (8.40%) Test Automation
9 716 (8.30%) Software Engineering
10 712 (8.25%) Wealth Management
11 676 (7.84%) OO
12 600 (6.96%) ITIL
13 592 (6.86%) Scrum
14 561 (6.50%) Microservices
15 548 (6.35%) E-Commerce
16 534 (6.19%) Analytics
17 451 (5.23%) BDD
18 448 (5.19%) SDLC
19 410 (4.75%) Mentoring
20 400 (4.64%) High Availability
Programming Languages
1 2702 (31.32%) Python
2 2695 (31.24%) Java
3 2104 (24.39%) SQL
4 1189 (13.78%) Bash Shell
5 1057 (12.25%) JavaScript
6 952 (11.04%) Perl
7 949 (11.00%) C++
8 801 (9.29%) Ruby
9 740 (8.58%) PHP
10 664 (7.70%) Shell Script
11 608 (7.05%) PowerShell
12 452 (5.24%) C
13 445 (5.16%) C#
14 305 (3.54%) Scala
15 265 (3.07%) Go
16 166 (1.92%) PL/SQL
17 143 (1.66%) Groovy
18 122 (1.41%) T-SQL
19 75 (0.87%) ES6
20 72 (0.83%) R
Qualifications
1 1247 (14.46%) Degree
2 443 (5.14%) Computer Science Degree
3 263 (3.05%) Cisco Certification
4 199 (2.31%) Security Cleared
5 180 (2.09%) CISSP
6 155 (1.80%) CCNP
7 130 (1.51%) CCNA
8 126 (1.46%) Microsoft Certification
9 125 (1.45%) CISM
10 114 (1.32%) GIAC
11 95 (1.10%) MCSE
12 91 (1.05%) PhD
13 81 (0.94%) CCIE
13 81 (0.94%) SC Cleared
14 72 (0.83%) Master's Degree
15 66 (0.77%) SANS
16 65 (0.75%) VMware Certified Professional (VCP)
17 64 (0.74%) RHCE
18 54 (0.63%) GCIH
19 51 (0.59%) DV Cleared
Quality Assurance & Compliance
1 549 (6.36%) QA
2 214 (2.48%) SLA
3 175 (2.03%) ISO/IEC 27001
4 76 (0.88%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
5 72 (0.83%) PCI DSS
6 47 (0.54%) GDPR
7 38 (0.44%) GCP
8 24 (0.28%) COBIT
9 23 (0.27%) Data Quality
10 18 (0.21%) Sarbanes-Oxley
11 17 (0.20%) NIST 800
12 13 (0.15%) MiFID
13 10 (0.12%) ISO 9001
13 10 (0.12%) SSAE 16
14 9 (0.10%) Cyber Essentials
15 8 (0.093%) ISO/IEC 20000
16 7 (0.081%) EMIR
16 7 (0.081%) PMO
17 6 (0.070%) FISMA
17 6 (0.070%) SEPA
System Software
1 1304 (15.12%) Docker
2 752 (8.72%) VMware Infrastructure
3 625 (7.25%) Active Directory
4 202 (2.34%) VMware ESXi
5 200 (2.32%) Virtual Machines
6 184 (2.13%) vSphere
7 143 (1.66%) Hyper-V
8 118 (1.37%) NFS
9 110 (1.28%) KVM
10 99 (1.15%) Xen
11 84 (0.97%) iptables
12 75 (0.87%) LXC
12 75 (0.87%) XenApp
13 55 (0.64%) Varnish
14 53 (0.61%) XenServer
15 40 (0.46%) Apache Flume
16 39 (0.45%) Virtual Servers
17 36 (0.42%) XenDesktop
18 29 (0.34%) VMware Workstation
19 28 (0.32%) VMware NSX
Systems Management
1 1478 (17.13%) Puppet
2 1441 (16.71%) Ansible
3 1010 (11.71%) Opscode Chef
4 607 (7.04%) Kubernetes
5 488 (5.66%) Terraform
6 472 (5.47%) Nagios
7 148 (1.72%) SCCM
8 121 (1.40%) Salt
8 121 (1.40%) ZABBIX
9 101 (1.17%) Grafana
10 100 (1.16%) Kibana
11 99 (1.15%) Nessus
12 83 (0.96%) HAProxy
12 83 (0.96%) Mesos
13 81 (0.94%) logstash
14 78 (0.90%) QRadar
15 76 (0.88%) Packer
16 72 (0.83%) SCOM
17 70 (0.81%) Graphite
18 67 (0.78%) Docker Swarm
Vendors
1 1122 (13.01%) VMware
2 999 (11.58%) Oracle
2 999 (11.58%) Red Hat
3 769 (8.91%) Microsoft
4 721 (8.36%) Cisco
5 296 (3.43%) Splunk
6 289 (3.35%) Google
7 264 (3.06%) Citrix
8 256 (2.97%) HP
9 244 (2.83%) Sybase
10 217 (2.52%) Juniper
11 161 (1.87%) NetApp
12 157 (1.82%) IBM
13 132 (1.53%) SAP
14 131 (1.52%) SaltStack
15 127 (1.47%) Atlassian
16 119 (1.38%) Palo Alto
17 116 (1.34%) TIBCO
18 115 (1.33%) SolarWinds
19 105 (1.22%) F5