Period
to 26 September 2018

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 26 September 2018 with a comparison to the same period in the previous 2 years.

Linux
England > London
6 months to
26 Sep 2018
Same period 2017 Same period 2016
Rank 19 15 16
Rank change year-on-year -4 +1 -1
Permanent jobs citing Linux 7,201 8,906 8,894
As % of all permanent IT jobs advertised in London 10.47% 11.81% 11.35%
As % of the Operating Systems category 46.28% 46.67% 44.87%
Number of salaries quoted 5,877 6,853 7,708
London median annual salary £65,000 £60,000 £57,500
Median salary % change year-on-year +8.33% +4.35% -
10th Percentile £41,250 £35,000 £35,000
90th Percentile £95,000 £90,000 £85,000
England median annual salary £54,000 £50,000 £50,000
% change year-on-year +8.00% - +5.26%

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 15,561 19,083 19,821
As % of all permanent IT jobs advertised in London 22.63% 25.31% 25.30%
Number of salaries quoted 12,819 14,716 17,323
London median annual salary £57,500 £55,000 £55,000
Median salary % change year-on-year +4.55% - +4.76%
10th Percentile £30,000 £30,000 £29,000
90th Percentile £88,800 £83,750 £80,000
England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +0.56%

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 26 September 2018.

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 26 September 2018. 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 -6 1,444 £65,000 +12.52% 343
West London -1 314 £55,250 -3.91% 153
South London +2 152 £57,500 +35.29% 35
East London +6 118 £55,000 -11.65% 50
North London +3 28 £45,000 +12.50% 11
Linux
England

For the 6 months to 26 September 2018, 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 2,829 (39.29%) Python
2 2,416 (33.55%) DevOps
3 2,352 (32.66%) Windows
4 2,351 (32.65%) Amazon AWS
5 2,248 (31.22%) Finance
6 1,992 (27.66%) Java
7 1,953 (27.12%) SQL
8 1,883 (26.15%) Agile Software Development
9 1,687 (23.43%) Unix
10 1,654 (22.97%) Docker
11 1,548 (21.50%) Ansible
12 1,361 (18.90%) Puppet
13 1,301 (18.07%) Git (software)
14 1,250 (17.36%) Jenkins
15 1,241 (17.23%) Bash Shell
16 1,195 (16.59%) Microsoft Azure
17 1,021 (14.18%) Opscode Chef
18 1,000 (13.89%) Kubernetes
19 977 (13.57%) Problem-Solving
20 969 (13.46%) Degree
21 963 (13.37%) JavaScript
22 929 (12.90%) Banking
23 901 (12.51%) Continuous Integration
24 873 (12.12%) Red Hat
25 863 (11.98%) MySQL
26 835 (11.60%) VMware
27 814 (11.30%) Perl
28 789 (10.96%) C++
29 778 (10.80%) Software Engineering
30 770 (10.69%) Oracle

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
1 607 (8.43%) Apache
2 303 (4.21%) Tomcat
3 251 (3.49%) Confluence
4 245 (3.40%) Elasticsearch
5 231 (3.21%) Apache Spark
6 211 (2.93%) OpenStack
7 189 (2.62%) IIS
8 188 (2.61%) nginx
9 131 (1.82%) MS Exchange
10 119 (1.65%) JBoss
11 105 (1.46%) CMS
12 101 (1.40%) Ethereum
13 91 (1.26%) SharePoint
14 88 (1.22%) Skype for Business
15 80 (1.11%) WordPress
16 78 (1.08%) WebSphere
17 66 (0.92%) WebLogic
18 41 (0.57%) Drupal
19 34 (0.47%) Exchange Server 2013
20 33 (0.46%) Oracle SOA Suite
Applications
1 116 (1.61%) Microsoft Office
2 41 (0.57%) Microsoft Excel
3 37 (0.51%) Microsoft PowerPoint
4 21 (0.29%) MS Visio
5 16 (0.22%) Photoshop
6 13 (0.18%) Adobe Illustrator
7 6 (0.083%) Spreadsheet
8 4 (0.056%) Stata
9 3 (0.042%) SPSS
10 2 (0.028%) Adobe After Effects
10 2 (0.028%) Adobe Premiere
10 2 (0.028%) Avid Media Composer
10 2 (0.028%) Maya
10 2 (0.028%) Microsoft Project
10 2 (0.028%) NUKE
11 1 (0.014%) Final Cut Pro
11 1 (0.014%) HipChat
11 1 (0.014%) Houdini
11 1 (0.014%) InVision
11 1 (0.014%) Mingle
Business Applications
1 64 (0.89%) Distributed Ledger
2 26 (0.36%) Magento
3 22 (0.31%) Relativity
3 22 (0.31%) Remedy ITSM
4 18 (0.25%) Concordance
5 16 (0.22%) Dynamics CRM
6 12 (0.17%) Oracle EBS
7 8 (0.11%) ION MarketView
7 8 (0.11%) MetaTrader
7 8 (0.11%) SAP Hybris
8 6 (0.083%) BusinessWorks
8 6 (0.083%) Oracle Retail
9 5 (0.069%) BASE24
9 5 (0.069%) Documaker
9 5 (0.069%) Global One
9 5 (0.069%) Oracle BPM
9 5 (0.069%) Postilion
9 5 (0.069%) SAP Oil and Gas
10 4 (0.056%) IBM Operational Decision Manager
10 4 (0.056%) Rolfe and Nolan
Cloud Services
1 2,351 (32.65%) Amazon AWS
2 1,195 (16.59%) Microsoft Azure
3 484 (6.72%) Google Cloud Platform
4 375 (5.21%) AWS CloudFormation
5 363 (5.04%) Amazon EC2
6 359 (4.99%) SaaS
7 291 (4.04%) GitHub
8 272 (3.78%) Amazon S3
9 258 (3.58%) Office 365
10 227 (3.15%) Cloud Computing
11 162 (2.25%) PaaS
12 157 (2.18%) Serverless
13 152 (2.11%) IaaS
14 126 (1.75%) AWS Lambda
15 113 (1.57%) Amazon CloudWatch
16 86 (1.19%) Virtual Private Cloud
17 84 (1.17%) Azure Active Directory
18 81 (1.12%) Amazon ELB
19 73 (1.01%) Route 53
20 70 (0.97%) Amazon SQS
Communications & Networking
1 714 (9.92%) Firewall
2 557 (7.74%) TCP/IP
3 432 (6.00%) DNS
4 272 (3.78%) VPN
5 257 (3.57%) SAN
6 239 (3.32%) HTTP
7 212 (2.94%) Internet
8 203 (2.82%) LAN
9 184 (2.56%) WAN
10 177 (2.46%) DHCP
11 120 (1.67%) Network Security
11 120 (1.67%) SSL
12 105 (1.46%) NAS
13 93 (1.29%) BGP
14 84 (1.17%) Intrusion Detection
15 82 (1.14%) SSH
16 80 (1.11%) Cisco ASA
17 78 (1.08%) VLAN
18 77 (1.07%) Skype
19 70 (0.97%) VoIP
Database & Business Intelligence
1 863 (11.98%) MySQL
2 681 (9.46%) SQL Server
3 531 (7.37%) Big Data
4 527 (7.32%) PostgreSQL
5 503 (6.99%) NoSQL
6 491 (6.82%) Relational Database
7 394 (5.47%) MongoDB
8 299 (4.15%) Blockchain
9 276 (3.83%) Hadoop
10 223 (3.10%) Redis
11 213 (2.96%) Oracle Database
12 209 (2.90%) Amazon RDS
13 185 (2.57%) RDBMS
14 148 (2.06%) Apache Cassandra
15 123 (1.71%) Data Warehouse
16 108 (1.50%) Apache Hive
16 108 (1.50%) DB2
17 93 (1.29%) SQL Server 2008
18 83 (1.15%) HBase
19 80 (1.11%) Oracle Database 11g
Development Applications
1 1,301 (18.07%) Git (software)
2 1,250 (17.36%) Jenkins
3 584 (8.11%) JIRA
4 367 (5.10%) Maven
5 321 (4.46%) Subversion
6 311 (4.32%) TeamCity
7 306 (4.25%) Atlassian Bamboo
8 220 (3.06%) Octopus Deploy
9 212 (2.94%) Selenium
10 140 (1.94%) JUnit
11 135 (1.87%) Vagrant
12 133 (1.85%) Gradle
13 121 (1.68%) Team Foundation Server
14 112 (1.56%) GitLab
15 91 (1.26%) Cucumber
16 89 (1.24%) Bitbucket
17 80 (1.11%) Eclipse
18 78 (1.08%) Travis CI
19 67 (0.93%) GoCD
19 67 (0.93%) Sonatype Nexus
General
1 2,248 (31.22%) Finance
2 929 (12.90%) Banking
3 356 (4.94%) Investment Banking
4 261 (3.62%) Financial Institution
5 224 (3.11%) Front Office
6 200 (2.78%) Retail
7 194 (2.69%) Telecoms
8 189 (2.62%) Games
9 170 (2.36%) Marketing
10 166 (2.31%) Advertising
11 135 (1.87%) Law
12 107 (1.49%) Legal
13 94 (1.31%) Back Office
14 53 (0.74%) Publishing
15 44 (0.61%) Electronics
16 31 (0.43%) Pharmaceutical
17 21 (0.29%) French Language
18 20 (0.28%) Manufacturing
19 19 (0.26%) Billing
20 10 (0.14%) German Language
Job Titles
1 1,676 (23.27%) Developer
2 1,275 (17.71%) DevOps Engineer
3 642 (8.92%) Linux Engineer
4 528 (7.33%) Java Developer
5 518 (7.19%) Administrator
6 479 (6.65%) Analyst
7 384 (5.33%) Systems Administrator
8 351 (4.87%) Senior Developer
9 334 (4.64%) Infrastructure Engineer
10 333 (4.62%) Linux/Unix DevOps
11 311 (4.32%) AWS Engineer
12 302 (4.19%) Applications Support
13 292 (4.05%) Python Developer
14 283 (3.93%) Systems Engineer
15 278 (3.86%) Cloud Engineer
16 271 (3.76%) Linux Administrator
17 268 (3.72%) AWS DevOps
18 265 (3.68%) Linux DevOps Engineer
19 264 (3.67%) Support Analyst
20 248 (3.44%) Linux Systems Administrator
Libraries, Frameworks & Software Standards
1 636 (8.83%) HTML
2 614 (8.53%) Web Services
3 527 (7.32%) CSS
4 395 (5.49%) .NET
5 389 (5.40%) Node.js
6 373 (5.18%) Spring
7 370 (5.14%) LAMP
8 316 (4.39%) REST
9 276 (3.83%) RESTful
10 274 (3.81%) AngularJS
11 266 (3.69%) XML
12 245 (3.40%) Kafka
13 243 (3.37%) Elastic Stack
14 242 (3.36%) React
15 227 (3.15%) HTML5
16 213 (2.96%) RabbitMQ
17 208 (2.89%) Middleware
18 195 (2.71%) JSON
19 190 (2.64%) LDAP
20 175 (2.43%) jQuery
Miscellaneous
1 704 (9.78%) Computer Science
2 594 (8.25%) Fintech
3 538 (7.47%) Analytical Skills
4 393 (5.46%) Linux Command Line
5 320 (4.44%) Data Centre
6 266 (3.69%) Self-Motivation
7 235 (3.26%) Hedge funds
8 214 (2.97%) Equities
8 214 (2.97%) Foreign Exchange (FX)
9 210 (2.92%) Algorithms
10 202 (2.81%) Management Information System
11 192 (2.67%) Greenfield Project
12 177 (2.46%) Fixed Income
13 173 (2.40%) Public Cloud
14 162 (2.25%) Cyberthreat
15 157 (2.18%) Enterprise Software
16 150 (2.08%) Data Structures
17 142 (1.97%) User Experience
18 134 (1.86%) Clustering
19 133 (1.85%) Virtual Team
Operating Systems
1 2,352 (32.66%) Windows
2 1,687 (23.43%) Unix
3 707 (9.82%) Red Hat Enterprise Linux
4 551 (7.65%) Windows Server
5 485 (6.74%) CentOS
6 365 (5.07%) Ubuntu
7 214 (2.97%) Solaris
8 178 (2.47%) Windows Server 2008
9 172 (2.39%) Windows Server 2012
10 158 (2.19%) Debian
11 157 (2.18%) Android
12 127 (1.76%) Mac OS X
13 121 (1.68%) Apple iOS
14 104 (1.44%) Windows 10
15 87 (1.21%) VMS
16 85 (1.18%) Windows 7
17 72 (1.00%) AIX
18 65 (0.90%) Mac OS
19 61 (0.85%) Fedora
20 56 (0.78%) CoreOS
Processes & Methodologies
1 2,416 (33.55%) DevOps
2 1,883 (26.15%) Agile Software Development
3 977 (13.57%) Problem-Solving
4 901 (12.51%) Continuous Integration
5 778 (10.80%) Software Engineering
6 742 (10.30%) Test Automation
7 703 (9.76%) Configuration Management
8 664 (9.22%) Open Source
9 619 (8.60%) Microservices
10 562 (7.80%) TDD
11 505 (7.01%) Infrastructure Engineering
12 500 (6.94%) ITIL
13 466 (6.47%) Scrum
14 464 (6.44%) Analytics
15 398 (5.53%) SDLC
16 393 (5.46%) High Availability
17 390 (5.42%) Cybersecurity
18 377 (5.24%) Continuous Delivery
19 366 (5.08%) Low Latency
20 360 (5.00%) Information Security
Programming Languages
1 2,829 (39.29%) Python
2 1,992 (27.66%) Java
3 1,953 (27.12%) SQL
4 1,241 (17.23%) Bash Shell
5 963 (13.37%) JavaScript
6 814 (11.30%) Perl
7 789 (10.96%) C++
8 732 (10.17%) PowerShell
9 719 (9.98%) Ruby
10 578 (8.03%) PHP
11 544 (7.55%) Shell Script
12 467 (6.49%) C#
13 315 (4.37%) C
14 304 (4.22%) Go
15 243 (3.37%) Scala
16 178 (2.47%) Java 8
16 178 (2.47%) PL/SQL
17 136 (1.89%) Korn
18 129 (1.79%) ES6
19 91 (1.26%) Groovy
Qualifications
1 969 (13.46%) Degree
2 379 (5.26%) Computer Science Degree
3 263 (3.65%) CISSP
4 181 (2.51%) Cisco Certification
5 155 (2.15%) Security Cleared
6 143 (1.99%) CCNA
7 138 (1.92%) Microsoft Certification
8 104 (1.44%) AWS Certification
8 104 (1.44%) MCSE
9 102 (1.42%) Master's Degree
10 90 (1.25%) CEH
11 89 (1.24%) CCNP
12 86 (1.19%) Numerate Degree
12 86 (1.19%) SC Cleared
13 85 (1.18%) CISM
14 84 (1.17%) CompTIA Security+
15 82 (1.14%) RHCE
16 78 (1.08%) GIAC
17 61 (0.85%) DV Cleared
18 60 (0.83%) CISMP
Quality Assurance & Compliance
1 353 (4.90%) QA
2 163 (2.26%) ISO/IEC 27001
3 95 (1.32%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 71 (0.99%) GDPR
5 68 (0.94%) SLA
6 51 (0.71%) PCI DSS
7 29 (0.40%) Data Quality
8 24 (0.33%) MiFID
9 11 (0.15%) COBIT
9 11 (0.15%) GPG13
9 11 (0.15%) PMO
10 9 (0.12%) Sarbanes-Oxley
11 7 (0.097%) ISO 20022
11 7 (0.097%) ISO/IEC 20000
11 7 (0.097%) SEPA
12 6 (0.083%) Cyber Essentials
12 6 (0.083%) PMBOK
13 5 (0.069%) HIPAA
14 4 (0.056%) ISO 22301
14 4 (0.056%) PSD2
System Software
1 1,654 (22.97%) Docker
2 702 (9.75%) Active Directory
3 524 (7.28%) VMware Infrastructure
4 231 (3.21%) Virtual Machines
5 189 (2.62%) Hyper-V
6 122 (1.69%) VMware ESXi
7 115 (1.60%) vSphere
8 76 (1.06%) HDFS
9 68 (0.94%) KVM
10 66 (0.92%) iptables
11 56 (0.78%) Oracle RAC
11 56 (0.78%) XenApp
12 52 (0.72%) NFS
12 52 (0.72%) Snort
13 46 (0.64%) Xen
14 34 (0.47%) VirtualBox
15 31 (0.43%) XenServer
16 29 (0.40%) Samba
17 26 (0.36%) VMware Workstation
17 26 (0.36%) XenDesktop
Systems Management
1 1,548 (21.50%) Ansible
2 1,361 (18.90%) Puppet
3 1,021 (14.18%) Opscode Chef
4 1,000 (13.89%) Kubernetes
5 750 (10.42%) Terraform
6 252 (3.50%) Salt
7 240 (3.33%) Nagios
8 178 (2.47%) Docker Swarm
9 118 (1.64%) ZABBIX
10 104 (1.44%) Kibana
11 98 (1.36%) Packer
12 97 (1.35%) SCCM
13 77 (1.07%) logstash
14 72 (1.00%) Prometheus
15 68 (0.94%) Graphite
16 67 (0.93%) Consul
16 67 (0.93%) Mesos
17 62 (0.86%) Grafana
18 61 (0.85%) HAProxy
19 54 (0.75%) Rancher
Vendors
1 873 (12.12%) Red Hat
2 835 (11.60%) VMware
3 770 (10.69%) Oracle
4 708 (9.83%) Microsoft
5 452 (6.28%) Google
6 370 (5.14%) Cisco
7 262 (3.64%) Splunk
8 230 (3.19%) Citrix
9 200 (2.78%) Sybase
10 142 (1.97%) IBM
10 142 (1.97%) New Relic
11 141 (1.96%) HP
12 120 (1.67%) SaltStack
13 101 (1.40%) EMC
14 99 (1.37%) Apple
15 97 (1.35%) Atlassian
16 96 (1.33%) AppDynamics
17 94 (1.31%) ServiceNow
18 87 (1.21%) NetApp
19 85 (1.18%) SAP