Period
to 25 June 2018

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 25 June 2018 with a comparison to the same period in the previous 2 years.

Linux
Central London > City of London
6 months to
25 Jun 2018
Same period 2017 Same period 2016
Rank 18 12 15
Rank change year-on-year -6 +3 +1
Permanent jobs citing Linux 1,090 1,301 1,486
As % of all permanent IT jobs advertised in the City of London 9.78% 12.79% 11.05%
As % of the Operating Systems category 45.02% 49.41% 43.29%
Number of salaries quoted 998 1,179 1,356
City of London median annual salary £67,500 £60,000 £60,000
Median salary % change year-on-year +12.50% - +9.09%
10th Percentile £41,250 £35,000 £36,250
90th Percentile £92,500 £96,750 £90,000
Central London median annual salary £65,000 £60,000 £60,000
% change year-on-year +8.33% - +9.09%

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 the City of London with a requirement for operating system skills.

All Operating Systems
City of London
Permanent vacancies with a requirement for operating system skills 2,421 2,633 3,433
As % of all permanent IT jobs advertised in the City of London 21.72% 25.88% 25.53%
Number of salaries quoted 2,188 2,361 3,111
City of London median annual salary £60,000 £55,000 £55,000
Median salary % change year-on-year +9.09% - +7.84%
10th Percentile £31,250 £28,875 £30,000
90th Percentile £87,500 £87,500 £82,500
Central London median annual salary £57,500 £55,000 £55,000
% change year-on-year +4.55% - +10.00%

Linux
Job Vacancy Trend in the City of London

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

Job vacancy trend for Linux in the City of London

Linux
Salary Trend in the City of London

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

Salary trend for Linux in the City of London

Linux
Salary Histogram in the City of London

The salary distribution of IT jobs citing Linux in the City of London over the 6 months to 25 June 2018.

Salary histogram for Linux in the City of London

Linux
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the City of London region over the 6 months to 25 June 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
London Bridge +1 6 £53,750 -10.42%
Linux
Central London

For the 6 months to 25 June 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 City of London region with a requirement for Linux.

1 437 (40.09%) Finance
2 394 (36.15%) Python
3 361 (33.12%) DevOps
4 335 (30.73%) Windows
5 331 (30.37%) Amazon AWS
6 321 (29.45%) Java
7 270 (24.77%) SQL
8 260 (23.85%) Unix
9 238 (21.83%) Docker
10 200 (18.35%) Agile Software Development
11 198 (18.17%) Ansible
12 189 (17.34%) Microsoft Azure
12 189 (17.34%) Puppet
13 178 (16.33%) JavaScript
14 177 (16.24%) Bash Shell
15 172 (15.78%) Jenkins
16 153 (14.04%) Perl
17 148 (13.58%) Opscode Chef
18 138 (12.66%) VMware
19 137 (12.57%) Git (software)
20 136 (12.48%) Kubernetes
21 134 (12.29%) Banking
21 134 (12.29%) Microsoft
21 134 (12.29%) Configuration Management
22 131 (12.02%) C++
23 129 (11.83%) MySQL
24 124 (11.38%) Degree
25 123 (11.28%) Oracle
26 117 (10.73%) TDD
26 117 (10.73%) Ruby

Linux
Co-occurring IT Skills in the City of 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
1 102 (9.36%) Apache
2 77 (7.06%) Tomcat
3 55 (5.05%) Elasticsearch
4 42 (3.85%) Apache Spark
5 38 (3.49%) IIS
6 30 (2.75%) nginx
7 29 (2.66%) Skype for Business
8 27 (2.48%) Ethereum
9 23 (2.11%) Confluence
9 23 (2.11%) MS Exchange
9 23 (2.11%) WordPress
10 18 (1.65%) JBoss
11 17 (1.56%) SharePoint
12 14 (1.28%) Exchange Server 2013
13 13 (1.19%) CMS
13 13 (1.19%) OpenStack
13 13 (1.19%) WebSphere
14 7 (0.64%) WebLogic
15 5 (0.46%) Drupal
15 5 (0.46%) NServiceBus
Applications
1 24 (2.20%) Microsoft Office
2 16 (1.47%) Microsoft Excel
3 13 (1.19%) Microsoft PowerPoint
4 6 (0.55%) MS Visio
Business Applications
1 30 (2.75%) Distributed Ledger
2 19 (1.74%) MetaTrader
3 6 (0.55%) RMDS
4 3 (0.28%) Dynamics CRM
4 3 (0.28%) iTrent
4 3 (0.28%) Magento
4 3 (0.28%) Unit4 Business World
5 2 (0.18%) Dynamics NAV
5 2 (0.18%) Payment Gateway
5 2 (0.18%) Salesforce.com CRM
6 1 (0.092%) Actimize
6 1 (0.092%) BusinessWorks
6 1 (0.092%) CSG Singleview
6 1 (0.092%) ION MarketView
6 1 (0.092%) Kondor
6 1 (0.092%) Oracle ERP
6 1 (0.092%) PeopleSoft CRM
6 1 (0.092%) Shopify
6 1 (0.092%) Temenos T24
6 1 (0.092%) WebTrends
Cloud Services
1 331 (30.37%) Amazon AWS
2 189 (17.34%) Microsoft Azure
3 57 (5.23%) Google Cloud Platform
4 53 (4.86%) AWS CloudFormation
5 47 (4.31%) Office 365
6 46 (4.22%) SaaS
7 42 (3.85%) Cloud Computing
8 38 (3.49%) Amazon EC2
8 38 (3.49%) GitHub
9 24 (2.20%) Amazon S3
10 21 (1.93%) IaaS
11 19 (1.74%) PaaS
12 15 (1.38%) Serverless
12 15 (1.38%) Slack
13 14 (1.28%) NuGet
14 13 (1.19%) Amazon ElastiCache
14 13 (1.19%) Azure Active Directory
15 12 (1.10%) AWS Lambda
15 12 (1.10%) Route 53
16 9 (0.83%) CloudFront
Communications & Networking
1 115 (10.55%) Firewall
2 113 (10.37%) TCP/IP
3 87 (7.98%) DNS
4 44 (4.04%) Internet
5 41 (3.76%) VPN
6 40 (3.67%) SAN
7 36 (3.30%) WAN
8 35 (3.21%) LAN
9 29 (2.66%) Skype
10 28 (2.57%) HTTP
11 19 (1.74%) NetScaler
12 18 (1.65%) DHCP
13 16 (1.47%) Wireless
14 15 (1.38%) Cisco IOS
14 15 (1.38%) Intrusion Detection
14 15 (1.38%) SSL
15 14 (1.28%) Multicast
16 13 (1.19%) Network Security
17 11 (1.01%) Ethernet
17 11 (1.01%) VLAN
Database & Business Intelligence
1 129 (11.83%) MySQL
2 107 (9.82%) SQL Server
3 87 (7.98%) Relational Database
4 82 (7.52%) PostgreSQL
5 71 (6.51%) NoSQL
6 56 (5.14%) Big Data
7 49 (4.50%) MongoDB
8 45 (4.13%) Blockchain
9 44 (4.04%) Hadoop
10 38 (3.49%) RDBMS
11 33 (3.03%) Redis
12 28 (2.57%) Oracle Database
13 25 (2.29%) Amazon RDS
14 17 (1.56%) SQL Server 2012
15 15 (1.38%) Apache Cassandra
16 14 (1.28%) Apache Hive
17 8 (0.73%) KDB
18 7 (0.64%) Amazon DynamoDB
18 7 (0.64%) Data Warehouse
18 7 (0.64%) Oracle Database 11g
Development Applications
1 172 (15.78%) Jenkins
2 137 (12.57%) Git (software)
3 74 (6.79%) Maven
4 61 (5.60%) JIRA
5 37 (3.39%) Subversion
6 36 (3.30%) Ant
7 33 (3.03%) TeamCity
8 26 (2.39%) Atlassian Bamboo
8 26 (2.39%) Gradle
9 24 (2.20%) Selenium
10 23 (2.11%) Eclipse
11 21 (1.93%) Visual Studio
12 19 (1.74%) Bitbucket
12 19 (1.74%) JUnit
13 16 (1.47%) IntelliJ
13 16 (1.47%) TestNG
14 15 (1.38%) Log4j
14 15 (1.38%) Team Foundation Server
15 14 (1.28%) Fiddler
15 14 (1.28%) ReSharper
General
1 437 (40.09%) Finance
2 134 (12.29%) Banking
3 66 (6.06%) Front Office
4 45 (4.13%) Retail
5 38 (3.49%) Advertising
6 36 (3.30%) Telecoms
7 34 (3.12%) Financial Institution
8 33 (3.03%) Law
9 24 (2.20%) Investment Banking
10 20 (1.83%) Legal
11 18 (1.65%) Marketing
12 17 (1.56%) Games
13 14 (1.28%) Publishing
14 12 (1.10%) Back Office
15 10 (0.92%) Billing
15 10 (0.92%) Pharmaceutical
16 8 (0.73%) Retail Banking
17 7 (0.64%) French Language
18 3 (0.28%) Electronics
19 2 (0.18%) Mandarin Language
Job Titles
1 275 (25.23%) Developer
2 187 (17.16%) DevOps Engineer
3 116 (10.64%) Analyst
4 112 (10.28%) Java Developer
5 65 (5.96%) Administrator
6 64 (5.87%) Senior Developer
7 60 (5.50%) Linux Engineer
8 53 (4.86%) Systems Administrator
9 50 (4.59%) Support Analyst
10 49 (4.50%) Infrastructure Engineer
11 48 (4.40%) Applications Support
12 47 (4.31%) Systems Engineer
13 44 (4.04%) AWS DevOps
13 44 (4.04%) AWS Engineer
14 39 (3.58%) C++ Developer
15 38 (3.49%) Senior DevOps
16 35 (3.21%) Cloud Engineer
17 34 (3.12%) Linux Administrator
18 32 (2.94%) Senior DevOps Engineer
19 31 (2.84%) Linux Systems Administrator
Libraries, Frameworks & Software Standards
1 84 (7.71%) Spring
1 84 (7.71%) Web Services
2 82 (7.52%) CSS
3 81 (7.43%) HTML
4 69 (6.33%) .NET
5 64 (5.87%) XML
6 63 (5.78%) REST
7 62 (5.69%) FIX Protocol
7 62 (5.69%) Node.js
8 50 (4.59%) JSON
9 49 (4.50%) LAMP
10 45 (4.13%) Hibernate
11 36 (3.30%) Java EE
11 36 (3.30%) React
12 31 (2.84%) Kafka
13 29 (2.66%) Smart Contracts
14 28 (2.57%) jQuery
15 27 (2.48%) AngularJS
15 27 (2.48%) JSP
16 24 (2.20%) RabbitMQ
Miscellaneous
1 96 (8.81%) Fintech
2 91 (8.35%) Computer Science
3 61 (5.60%) Analytical Skills
4 52 (4.77%) Foreign Exchange (FX)
5 47 (4.31%) Data Centre
6 41 (3.76%) Hedge funds
6 41 (3.76%) Management Information System
7 39 (3.58%) Algorithms
8 37 (3.39%) Fixed Income
9 35 (3.21%) Equities
9 35 (3.21%) Linux Command Line
10 26 (2.39%) Bitcoin
11 22 (2.02%) Public Cloud
12 19 (1.74%) Enterprise Storage
12 19 (1.74%) Greenfield Project
13 16 (1.47%) User Experience
14 14 (1.28%) Data Structures
14 14 (1.28%) Private Cloud
14 14 (1.28%) Self-Motivation
15 13 (1.19%) Enterprise Software
Operating Systems
1 335 (30.73%) Windows
2 260 (23.85%) Unix
3 107 (9.82%) Red Hat Enterprise Linux
4 90 (8.26%) Windows Server
5 71 (6.51%) CentOS
6 56 (5.14%) Ubuntu
7 34 (3.12%) Windows Server 2012
8 28 (2.57%) Android
9 20 (1.83%) Windows 10
10 18 (1.65%) Windows Server 2008
11 16 (1.47%) Solaris
12 15 (1.38%) openSUSE
13 14 (1.28%) Debian
14 12 (1.10%) Windows 7
15 9 (0.83%) AIX
15 9 (0.83%) Oracle Linux
16 8 (0.73%) Mac OS
16 8 (0.73%) Windows Server 2003
17 7 (0.64%) Apple iOS
18 6 (0.55%) HPUX
Processes & Methodologies
1 361 (33.12%) DevOps
2 200 (18.35%) Agile Software Development
3 134 (12.29%) Configuration Management
4 117 (10.73%) TDD
5 114 (10.46%) Problem-Solving
6 88 (8.07%) Continuous Integration
7 86 (7.89%) Software Engineering
8 85 (7.80%) Microservices
9 76 (6.97%) Test Automation
10 70 (6.42%) Low Latency
11 66 (6.06%) Open Source
12 58 (5.32%) Information Security
13 57 (5.23%) ITIL
14 53 (4.86%) Scrum
15 50 (4.59%) Migration
16 48 (4.40%) Electronic Trading
16 48 (4.40%) OO
17 47 (4.31%) Multithreading
18 46 (4.22%) Continuous Delivery
19 45 (4.13%) Mentoring
Programming Languages
1 394 (36.15%) Python
2 321 (29.45%) Java
3 270 (24.77%) SQL
4 178 (16.33%) JavaScript
5 177 (16.24%) Bash Shell
6 153 (14.04%) Perl
7 131 (12.02%) C++
8 117 (10.73%) Ruby
9 113 (10.37%) PowerShell
10 103 (9.45%) PHP
11 93 (8.53%) Shell Script
12 67 (6.15%) C
13 66 (6.06%) C#
14 38 (3.49%) Java 8
15 28 (2.57%) Go
16 26 (2.39%) ES6
16 26 (2.39%) Solidity
17 24 (2.20%) Korn
18 18 (1.65%) PL/SQL
19 16 (1.47%) Scala
Qualifications
1 124 (11.38%) Degree
2 47 (4.31%) Computer Science Degree
3 45 (4.13%) CISSP
4 29 (2.66%) CISM
5 21 (1.93%) Cisco Certification
6 16 (1.47%) CISA
7 14 (1.28%) Security Cleared
8 11 (1.01%) CCNA
8 11 (1.01%) RHCE
8 11 (1.01%) SANS
9 9 (0.83%) AWS Certification
9 9 (0.83%) CEH
9 9 (0.83%) Microsoft Certification
10 8 (0.73%) Numerate Degree
10 8 (0.73%) TOGAF Certification
11 6 (0.55%) Master's Degree
11 6 (0.55%) MCSE
11 6 (0.55%) SC Cleared
12 5 (0.46%) MCP
12 5 (0.46%) MCSA
Quality Assurance & Compliance
1 50 (4.59%) QA
2 30 (2.75%) GCP
3 11 (1.01%) Data Quality
3 11 (1.01%) ISO/IEC 27001
3 11 (1.01%) SLA
4 10 (0.92%) GDPR
5 9 (0.83%) PCI DSS
6 8 (0.73%) MiFID
7 5 (0.46%) SEPA
8 4 (0.37%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
9 3 (0.28%) ISO 9001
System Software
1 238 (21.83%) Docker
2 96 (8.81%) Active Directory
3 81 (7.43%) VMware Infrastructure
4 37 (3.39%) Hyper-V
5 32 (2.94%) Virtual Machines
6 18 (1.65%) VMware ESXi
7 13 (1.19%) vSphere
8 12 (1.10%) LXC
9 11 (1.01%) KVM
10 6 (0.55%) HDFS
10 6 (0.55%) Xen
10 6 (0.55%) XenApp
11 5 (0.46%) iptables
11 5 (0.46%) NFS
11 5 (0.46%) Oracle RAC
11 5 (0.46%) Virtual Servers
11 5 (0.46%) XenServer
12 4 (0.37%) Apache Flume
13 3 (0.28%) StorNext
13 3 (0.28%) VirtualBox
Systems Management
1 198 (18.17%) Ansible
2 189 (17.34%) Puppet
3 148 (13.58%) Opscode Chef
4 136 (12.48%) Kubernetes
5 101 (9.27%) Terraform
6 39 (3.58%) Salt
7 37 (3.39%) Nagios
8 18 (1.65%) logstash
9 15 (1.38%) Consul
9 15 (1.38%) Kibana
10 14 (1.28%) Perfmon
11 13 (1.19%) Docker Swarm
12 11 (1.01%) SCCM
13 9 (0.83%) Prometheus
13 9 (0.83%) ZABBIX
14 7 (0.64%) Mesos
14 7 (0.64%) Nessus
14 7 (0.64%) Packer
14 7 (0.64%) Red Hat Spacewalk
14 7 (0.64%) SCOM
Vendors
1 138 (12.66%) VMware
2 134 (12.29%) Microsoft
3 123 (11.28%) Oracle
4 106 (9.72%) Red Hat
5 55 (5.05%) Cisco
6 54 (4.95%) Google
7 39 (3.58%) Citrix
8 35 (3.21%) Splunk
9 28 (2.57%) Sybase
10 21 (1.93%) SolarWinds
11 20 (1.83%) IBM
11 20 (1.83%) TIBCO
12 19 (1.74%) Apple
12 19 (1.74%) HP
13 15 (1.38%) Atlassian
14 13 (1.19%) F5
14 13 (1.19%) Sun
15 12 (1.10%) Dell
15 12 (1.10%) Hortonworks
15 12 (1.10%) Juniper