Period
to 23 September 2018

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Open Source skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Open Source over the 6 months to 23 September 2018 with a comparison to the same period in the previous 2 years.

Open Source
Central London > City of London
6 months to
23 Sep 2018
Same period 2017 Same period 2016
Rank 95 136 102
Rank change year-on-year +41 -34 +14
Permanent jobs citing Open Source 358 234 370
As % of all permanent IT jobs advertised in the City of London 3.28% 2.31% 2.99%
As % of the Processes & Methodologies category 3.56% 2.52% 3.26%
Number of salaries quoted 325 200 340
City of London median annual salary £70,000 £65,000 £60,500
Median salary % change year-on-year +7.69% +7.44% +0.83%
10th Percentile £42,000 £37,500 £40,000
90th Percentile £99,500 £97,750 £90,000
Central London median annual salary £67,500 £62,500 £60,000
% change year-on-year +8.00% +4.17% +4.35%

Open Source is in the Processes and Methodologies 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 process or methodology skills.

All Process and Methodology Skills
City of London
Permanent vacancies with a requirement for process or methodology skills 10,070 9,268 11,334
As % of all permanent IT jobs advertised in the City of London 92.21% 91.51% 91.57%
Number of salaries quoted 8,971 8,355 10,371
City of London median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +4.35%
10th Percentile £37,000 £36,250 £35,000
90th Percentile £93,750 £92,500 £87,500
Central London median annual salary £62,500 £60,000 £57,500
% change year-on-year +4.17% +4.35% +4.55%

Open Source
Job Vacancy Trend in the City of London

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

Job vacancy trend for Open Source in the City of London

Open Source
Salary Trend in the City of London

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

Salary trend for Open Source in the City of London

Open Source
Salary Histogram in the City of London

The salary distribution of IT jobs citing Open Source in the City of London over the 6 months to 23 September 2018.

Salary histogram for Open Source in the City of London

Open Source
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 Open Source within the City of London region over the 6 months to 23 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
Moorgate - 2 £20,750 -
Open Source
Central London

For the 6 months to 23 September 2018, IT jobs citing Open Source 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 Open Source.

1 146 (40.78%) Finance
1 146 (40.78%) Agile Software Development
2 138 (38.55%) Linux
3 121 (33.80%) Java
4 101 (28.21%) Python
5 93 (25.98%) DevOps
6 89 (24.86%) Amazon AWS
7 80 (22.35%) JavaScript
7 80 (22.35%) SQL
8 74 (20.67%) Docker
9 73 (20.39%) Scrum
10 71 (19.83%) Windows
11 61 (17.04%) Microsoft Azure
12 57 (15.92%) Puppet
13 55 (15.36%) Ansible
14 54 (15.08%) Software Engineering
15 51 (14.25%) Configuration Management
16 50 (13.97%) Kafka
17 47 (13.13%) Jenkins
17 47 (13.13%) Degree
18 46 (12.85%) C#
19 44 (12.29%) Unix
20 43 (12.01%) Kubernetes
21 42 (11.73%) Fintech
21 42 (11.73%) Opscode Chef
21 42 (11.73%) Microsoft
22 41 (11.45%) Ruby
23 40 (11.17%) Google
23 40 (11.17%) Firewall
24 39 (10.89%) TDD

Open Source
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 37 (10.34%) Apache Spark
2 23 (6.42%) OpenStack
3 18 (5.03%) Apache
4 17 (4.75%) Confluence
5 13 (3.63%) Elasticsearch
6 5 (1.40%) JBoss
6 5 (1.40%) WebLogic
7 4 (1.12%) Apache Solr
7 4 (1.12%) WordPress
8 3 (0.84%) nginx
8 3 (0.84%) Oracle Workflow
9 2 (0.56%) Ethereum
9 2 (0.56%) GemFire
9 2 (0.56%) GeoServer
9 2 (0.56%) Tomcat
10 1 (0.28%) ArcGIS
10 1 (0.28%) CMS
10 1 (0.28%) IIS
10 1 (0.28%) NServiceBus
10 1 (0.28%) SAS
Applications
1 15 (4.19%) Microsoft Excel
2 10 (2.79%) Microsoft Office
3 2 (0.56%) Microsoft PowerPoint
Cloud Services
1 89 (24.86%) Amazon AWS
2 61 (17.04%) Microsoft Azure
3 36 (10.06%) Google Cloud Platform
4 13 (3.63%) Serverless
5 12 (3.35%) AWS Lambda
6 9 (2.51%) Amazon EC2
7 8 (2.23%) GitHub
7 8 (2.23%) SaaS
8 7 (1.96%) Amazon EMR
8 7 (1.96%) Cloud Computing
8 7 (1.96%) CloudFront
9 5 (1.40%) Amazon S3
9 5 (1.40%) Virtual Private Cloud
10 3 (0.84%) npm
10 3 (0.84%) OpenShift
10 3 (0.84%) PaaS
11 2 (0.56%) Amazon Glacier
11 2 (0.56%) Office 365
12 1 (0.28%) Heroku
12 1 (0.28%) IaaS
Communications & Networking
1 40 (11.17%) Firewall
2 30 (8.38%) TCP/IP
3 15 (4.19%) WAN
4 10 (2.79%) Internet
4 10 (2.79%) LAN
5 9 (2.51%) Intrusion Detection
6 7 (1.96%) Network Security
7 4 (1.12%) Cisco IOS
7 4 (1.12%) DKIM
7 4 (1.12%) DMARC
7 4 (1.12%) Kerberos
7 4 (1.12%) Peer-to-Peer Networking
7 4 (1.12%) SMS
8 3 (0.84%) SSL
9 2 (0.56%) BGP
9 2 (0.56%) DNS
9 2 (0.56%) DSL
9 2 (0.56%) HTTP
9 2 (0.56%) VLAN
9 2 (0.56%) VPN
Database & Business Intelligence
1 39 (10.89%) NoSQL
2 38 (10.61%) Big Data
2 38 (10.61%) SQL Server
3 35 (9.78%) MySQL
4 27 (7.54%) Apache Cassandra
5 23 (6.42%) Relational Database
6 19 (5.31%) Hadoop
7 16 (4.47%) MongoDB
8 13 (3.63%) Apache Hive
9 12 (3.35%) PostgreSQL
10 10 (2.79%) Power BI
11 9 (2.51%) Blockchain
12 8 (2.23%) Amazon DynamoDB
13 7 (1.96%) Amazon Redshift
13 7 (1.96%) SQL Server Reporting Services
14 6 (1.68%) MariaDB
14 6 (1.68%) RDBMS
14 6 (1.68%) Redis
15 5 (1.40%) Amazon RDS
15 5 (1.40%) Couchbase
Development Applications
1 47 (13.13%) Jenkins
2 34 (9.50%) Git (software)
3 26 (7.26%) JIRA
4 17 (4.75%) Visual Studio
5 14 (3.91%) Subversion
6 7 (1.96%) Cucumber
6 7 (1.96%) Grunt
6 7 (1.96%) gulp
7 6 (1.68%) TeamCity
8 5 (1.40%) JUnit
8 5 (1.40%) Selenium
9 4 (1.12%) Bitbucket
9 4 (1.12%) Maven
9 4 (1.12%) Metasploit
10 3 (0.84%) Atlassian Bamboo
10 3 (0.84%) Jasmine
10 3 (0.84%) Karma Test Runner
10 3 (0.84%) Protractor
10 3 (0.84%) SpecFlow
10 3 (0.84%) webpack
General
1 146 (40.78%) Finance
2 31 (8.66%) Banking
3 27 (7.54%) Legal
4 20 (5.59%) Advertising
5 16 (4.47%) Law
6 14 (3.91%) Financial Institution
7 11 (3.07%) Marketing
8 10 (2.79%) Telecoms
9 7 (1.96%) Front Office
10 5 (1.40%) Aerospace
10 5 (1.40%) Automotive
10 5 (1.40%) Retail
11 4 (1.12%) Games
11 4 (1.12%) Multimedia
12 3 (0.84%) Investment Banking
Job Titles
1 128 (35.75%) Developer
2 46 (12.85%) DevOps Engineer
3 37 (10.34%) Java Developer
4 27 (7.54%) C++ Developer
5 25 (6.98%) Analyst
5 25 (6.98%) Architect
6 21 (5.87%) Senior Developer
7 20 (5.59%) Security Manager
8 19 (5.31%) Security Officer
9 17 (4.75%) Consultant
10 12 (3.35%) Administrator
10 12 (3.35%) AWS Engineer
10 12 (3.35%) C# Developer
11 11 (3.07%) Front End Developer (Client-Side Developer)
11 11 (3.07%) Systems Administrator
12 10 (2.79%) Data Engineer
12 10 (2.79%) Junior
12 10 (2.79%) Scrum Master
12 10 (2.79%) Security Analyst
12 10 (2.79%) Senior DevOps
Libraries, Frameworks & Software Standards
1 50 (13.97%) Kafka
2 37 (10.34%) .NET
3 36 (10.06%) HTML
4 34 (9.50%) CSS
5 31 (8.66%) AngularJS
6 29 (8.10%) Elastic Stack
6 29 (8.10%) HTML5
7 25 (6.98%) React
8 24 (6.70%) Node.js
9 21 (5.87%) Spring
10 19 (5.31%) REST
11 18 (5.03%) Web Services
11 18 (5.03%) XML
12 12 (3.35%) JMS
12 12 (3.35%) RabbitMQ
13 11 (3.07%) J2EE
13 11 (3.07%) JDBC
13 11 (3.07%) jQuery
14 10 (2.79%) JSON
15 9 (2.51%) EJB
Miscellaneous
1 42 (11.73%) Fintech
2 30 (8.38%) Greenfield Project
3 29 (8.10%) Analytical Skills
3 29 (8.10%) Data Centre
4 27 (7.54%) User Experience
5 26 (7.26%) Computer Science
6 22 (6.15%) Derivative
7 20 (5.59%) Hedge funds
8 18 (5.03%) Management Information System
9 12 (3.35%) Algorithms
9 12 (3.35%) Mobile App
10 11 (3.07%) Data Structures
11 9 (2.51%) Cyber Kill Chain
12 8 (2.23%) Enterprise Software
12 8 (2.23%) Public Cloud
12 8 (2.23%) Self-Motivation
13 7 (1.96%) Market Risk
14 6 (1.68%) Blog
15 5 (1.40%) Bitcoin
15 5 (1.40%) Equities
Operating Systems
1 138 (38.55%) Linux
2 71 (19.83%) Windows
3 44 (12.29%) Unix
4 23 (6.42%) CentOS
5 19 (5.31%) Red Hat Enterprise Linux
6 14 (3.91%) HPUX
7 9 (2.51%) AIX
7 9 (2.51%) Windows Server 2003
7 9 (2.51%) Windows Server 2008
7 9 (2.51%) Windows Server 2012
7 9 (2.51%) Windows XP
8 7 (1.96%) Windows 7
9 6 (1.68%) Windows 8
10 4 (1.12%) Android
10 4 (1.12%) Apple iOS
11 2 (0.56%) Fedora
12 1 (0.28%) Debian
12 1 (0.28%) Mac OS
12 1 (0.28%) Mac OS X
Processes & Methodologies
1 146 (40.78%) Agile Software Development
2 93 (25.98%) DevOps
3 73 (20.39%) Scrum
4 54 (15.08%) Software Engineering
5 51 (14.25%) Configuration Management
6 39 (10.89%) TDD
7 38 (10.61%) Continuous Integration
8 37 (10.34%) Information Security
9 36 (10.06%) Microservices
10 35 (9.78%) SDLC
11 32 (8.94%) OO
11 32 (8.94%) SIEM
12 29 (8.10%) Problem-Solving
13 28 (7.82%) Cybersecurity
14 27 (7.54%) Mentoring
15 25 (6.98%) Mathematics
16 24 (6.70%) Penetration Testing
16 24 (6.70%) Test Automation
17 23 (6.42%) Data Encryption
17 23 (6.42%) Stakeholder Management
Programming Languages
1 121 (33.80%) Java
2 101 (28.21%) Python
3 80 (22.35%) JavaScript
3 80 (22.35%) SQL
4 46 (12.85%) C#
5 41 (11.45%) Ruby
6 36 (10.06%) C++
7 24 (6.70%) Scala
8 19 (5.31%) PHP
8 19 (5.31%) PowerShell
9 18 (5.03%) Bash Shell
10 14 (3.91%) VBA
11 11 (3.07%) Go
12 9 (2.51%) Java 8
12 9 (2.51%) Kotlin
12 9 (2.51%) Perl
13 8 (2.23%) T-SQL
14 7 (1.96%) VB.NET
15 5 (1.40%) Groovy
15 5 (1.40%) R
Qualifications
1 47 (13.13%) Degree
2 29 (8.10%) CISSP
3 28 (7.82%) CISM
4 6 (1.68%) Security Cleared
5 5 (1.40%) PhD
6 3 (0.84%) SC Cleared
7 2 (0.56%) CEH
7 2 (0.56%) Computer Science Degree
7 2 (0.56%) DV Cleared
7 2 (0.56%) ISTQB
7 2 (0.56%) ISTQB Foundation Certification
7 2 (0.56%) RHCA
7 2 (0.56%) RHCE
7 2 (0.56%) TOGAF Certification
8 1 (0.28%) AWS Certification
8 1 (0.28%) CREST Certified
8 1 (0.28%) GCFE
8 1 (0.28%) GREM
8 1 (0.28%) GXPN
8 1 (0.28%) Tigerscheme
Quality Assurance & Compliance
1 19 (5.31%) GDPR
1 19 (5.31%) MiFID
2 11 (3.07%) Data Quality
2 11 (3.07%) QA
3 2 (0.56%) SLA
System Software
1 74 (20.67%) Docker
2 19 (5.31%) Snort
3 13 (3.63%) VMware Infrastructure
4 10 (2.79%) HDFS
5 7 (1.96%) Active Directory
5 7 (1.96%) Virtual Desktop
6 5 (1.40%) Hyper-V
6 5 (1.40%) Virtual Servers
7 4 (1.12%) Apache ZooKeeper
7 4 (1.12%) KVM
8 3 (0.84%) Virtual Machines
9 2 (0.56%) GlusterFS
10 1 (0.28%) NFS
Systems Management
1 57 (15.92%) Puppet
2 55 (15.36%) Ansible
3 43 (12.01%) Kubernetes
4 42 (11.73%) Opscode Chef
5 19 (5.31%) OSSEC
5 19 (5.31%) Salt
6 16 (4.47%) Terraform
7 14 (3.91%) Mesos
8 8 (2.23%) Nagios
9 6 (1.68%) Prometheus
9 6 (1.68%) vCenter Server
9 6 (1.68%) ZABBIX
10 5 (1.40%) Oozie
11 4 (1.12%) Kibana
11 4 (1.12%) Nessus
11 4 (1.12%) Network Intrusion Detection System
11 4 (1.12%) OpenVAS
11 4 (1.12%) QRadar
11 4 (1.12%) SCCM
11 4 (1.12%) SCOM
Vendors
1 42 (11.73%) Microsoft
2 40 (11.17%) Google
3 21 (5.87%) Red Hat
4 18 (5.03%) Oracle
5 16 (4.47%) VMware
6 14 (3.91%) Splunk
7 13 (3.63%) Sun
8 8 (2.23%) Citrix
9 7 (1.96%) Atlassian
10 6 (1.68%) Facebook
10 6 (1.68%) SaltStack
10 6 (1.68%) Wyse
11 5 (1.40%) Cisco
11 5 (1.40%) Hortonworks
11 5 (1.40%) Palo Alto
12 4 (1.12%) Apigee
12 4 (1.12%) Qualys
12 4 (1.12%) Rapid7
12 4 (1.12%) Tripwire
13 3 (0.84%) Solace