Period
to 16 November 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 16 November 2018 with a comparison to the same period in the previous 2 years.

Open Source
Central London > City of London
6 months to
16 Nov 2018
Same period 2017 Same period 2016
Rank 94 124 116
Rank change year-on-year +30 -8 -3
Permanent jobs citing Open Source 371 261 305
As % of all permanent IT jobs advertised in the City of London 3.32% 2.56% 2.60%
As % of the Processes & Methodologies category 3.63% 2.79% 2.87%
Number of salaries quoted 336 213 277
City of London median annual salary £70,000 £65,000 £62,500
Median salary % change year-on-year +7.69% +4.00% +5.93%
10th Percentile £42,500 £37,500 £42,500
90th Percentile £99,375 £97,500 £86,250
Central London median annual salary £70,000 £65,000 £60,000
% change year-on-year +7.69% +8.33% -

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 10,234 9,363 10,611
As % of all permanent IT jobs advertised in the City of London 91.65% 91.70% 90.51%
Number of salaries quoted 9,124 8,467 9,676
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 £36,000 £35,000
90th Percentile £95,000 £93,750 £90,000
Central London median annual salary £62,500 £60,000 £57,500
% change year-on-year +4.17% +4.35% -

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 16 November 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 16 November 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 16 November 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.

1 160 (43.13%) Linux
2 142 (38.27%) Finance
3 136 (36.66%) Agile Software Development
4 115 (31.00%) Python
5 100 (26.95%) Java
5 100 (26.95%) DevOps
6 87 (23.45%) Amazon AWS
7 78 (21.02%) SQL
8 74 (19.95%) Docker
9 73 (19.68%) JavaScript
10 71 (19.14%) Scrum
11 69 (18.60%) Windows
12 67 (18.06%) Puppet
13 65 (17.52%) Microsoft Azure
14 57 (15.36%) Ansible
15 55 (14.82%) Software Engineering
16 51 (13.75%) Degree
17 50 (13.48%) Kafka
17 50 (13.48%) AngularJS
17 50 (13.48%) Kubernetes
18 48 (12.94%) Unix
18 48 (12.94%) Configuration Management
19 46 (12.40%) Google
20 45 (12.13%) Jenkins
20 45 (12.13%) Opscode Chef
21 44 (11.86%) Microservices
22 43 (11.59%) Apache Spark
22 43 (11.59%) Fintech
22 43 (11.59%) C++
23 42 (11.32%) C#

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 43 (11.59%) Apache Spark
2 22 (5.93%) OpenStack
3 19 (5.12%) Confluence
4 16 (4.31%) Apache
5 12 (3.23%) Elasticsearch
6 4 (1.08%) Apache Solr
6 4 (1.08%) nginx
7 2 (0.54%) Ethereum
7 2 (0.54%) GeoServer
7 2 (0.54%) Oracle SOA Suite
7 2 (0.54%) Oracle Workflow
7 2 (0.54%) Tomcat
7 2 (0.54%) WordPress
8 1 (0.27%) Apache Pig
8 1 (0.27%) ArcGIS
8 1 (0.27%) CMS
8 1 (0.27%) Drupal
8 1 (0.27%) IIS
8 1 (0.27%) SAS
8 1 (0.27%) SharePoint
Applications
1 8 (2.16%) Microsoft Excel
2 2 (0.54%) Microsoft PowerPoint
3 1 (0.27%) Microsoft Office
Cloud Services
1 87 (23.45%) Amazon AWS
2 65 (17.52%) Microsoft Azure
3 40 (10.78%) Google Cloud Platform
4 11 (2.96%) Serverless
5 9 (2.43%) Amazon EC2
5 9 (2.43%) SaaS
6 8 (2.16%) Cloud Computing
6 8 (2.16%) GitHub
6 8 (2.16%) Virtual Private Cloud
7 7 (1.89%) Amazon EMR
8 5 (1.35%) Amazon S3
8 5 (1.35%) AWS Lambda
8 5 (1.35%) OpenShift
9 4 (1.08%) Apigee
9 4 (1.08%) AWS CloudFormation
10 3 (0.81%) Akamai
10 3 (0.81%) npm
10 3 (0.81%) Office 365
10 3 (0.81%) PaaS
11 2 (0.54%) Amazon Glacier
Communications & Networking
1 41 (11.05%) Firewall
2 35 (9.43%) TCP/IP
3 16 (4.31%) WAN
4 9 (2.43%) LAN
4 9 (2.43%) Network Security
5 6 (1.62%) Intrusion Detection
6 5 (1.35%) AMQP
6 5 (1.35%) Cisco IOS
6 5 (1.35%) DKIM
6 5 (1.35%) DMARC
6 5 (1.35%) Internet
7 4 (1.08%) Kerberos
7 4 (1.08%) Peer-to-Peer Networking
8 3 (0.81%) SSL
9 2 (0.54%) DSL
9 2 (0.54%) FTP
9 2 (0.54%) SMS
9 2 (0.54%) VLAN
9 2 (0.54%) VPN
10 1 (0.27%) HTTP
Database & Business Intelligence
1 41 (11.05%) Big Data
1 41 (11.05%) NoSQL
2 30 (8.09%) SQL Server
3 28 (7.55%) Apache Cassandra
4 23 (6.20%) Relational Database
5 20 (5.39%) MySQL
6 19 (5.12%) Hadoop
7 14 (3.77%) Apache Hive
8 13 (3.50%) Blockchain
9 12 (3.23%) PostgreSQL
10 10 (2.70%) MongoDB
11 7 (1.89%) Amazon DynamoDB
11 7 (1.89%) Amazon Redshift
12 6 (1.62%) RDBMS
13 5 (1.35%) Amazon RDS
13 5 (1.35%) HBase
13 5 (1.35%) OpenTSDB
14 4 (1.08%) Couchbase
14 4 (1.08%) MariaDB
14 4 (1.08%) Power BI
Development Applications
1 45 (12.13%) Jenkins
2 29 (7.82%) Git (software)
3 23 (6.20%) JIRA
4 12 (3.23%) Subversion
5 10 (2.70%) Visual Studio
6 9 (2.43%) Grunt
6 9 (2.43%) gulp
7 8 (2.16%) TeamCity
8 7 (1.89%) Cucumber
9 5 (1.35%) Maven
9 5 (1.35%) Metasploit
9 5 (1.35%) Octopus Deploy
9 5 (1.35%) Selenium
10 4 (1.08%) Atlassian Bamboo
10 4 (1.08%) Bitbucket
10 4 (1.08%) JUnit
10 4 (1.08%) Karma Test Runner
11 3 (0.81%) Protractor
11 3 (0.81%) SpecFlow
12 2 (0.54%) Capybara
General
1 142 (38.27%) Finance
2 32 (8.63%) Legal
3 29 (7.82%) Banking
4 15 (4.04%) Law
5 14 (3.77%) Marketing
6 13 (3.50%) Financial Institution
7 12 (3.23%) Telecoms
8 11 (2.96%) Advertising
8 11 (2.96%) Front Office
9 7 (1.89%) Games
10 5 (1.35%) Aerospace
11 4 (1.08%) Retail
12 3 (0.81%) Investment Banking
12 3 (0.81%) Publishing
13 2 (0.54%) Multimedia
14 1 (0.27%) Manufacturing
Job Titles
1 142 (38.27%) Developer
2 43 (11.59%) DevOps Engineer
3 37 (9.97%) Java Developer
4 33 (8.89%) C++ Developer
5 24 (6.47%) Administrator
5 24 (6.47%) Security Manager
6 23 (6.20%) Security Officer
7 18 (4.85%) Architect
7 18 (4.85%) Senior Developer
8 17 (4.58%) Linux Engineer
9 16 (4.31%) Linux Administrator
9 16 (4.31%) Linux Systems Administrator
10 15 (4.04%) Analyst
10 15 (4.04%) Consultant
11 13 (3.50%) Lead DevOps
11 13 (3.50%) Linux Systems Engineer
11 13 (3.50%) Python Developer
12 12 (3.23%) JavaScript Developer
12 12 (3.23%) Scrum Master
12 12 (3.23%) Systems Administrator
Libraries, Frameworks & Software Standards
1 50 (13.48%) AngularJS
1 50 (13.48%) Kafka
2 40 (10.78%) HTML
3 34 (9.16%) .NET
3 34 (9.16%) Elastic Stack
3 34 (9.16%) Web Services
4 30 (8.09%) CSS
5 29 (7.82%) React
6 26 (7.01%) REST
7 25 (6.74%) HTML5
8 23 (6.20%) Node.js
8 23 (6.20%) Spring
9 16 (4.31%) XML
10 15 (4.04%) JMS
11 12 (3.23%) J2EE
11 12 (3.23%) JSON
12 11 (2.96%) ASP.NET Web API
13 10 (2.70%) ASP.NET
14 9 (2.43%) Backbone.js
14 9 (2.43%) CSS3
Miscellaneous
1 43 (11.59%) Fintech
2 42 (11.32%) Greenfield Project
3 29 (7.82%) Data Centre
3 29 (7.82%) User Experience
4 28 (7.55%) Analytical Skills
4 28 (7.55%) Hedge funds
5 24 (6.47%) Computer Science
6 20 (5.39%) Derivative
7 16 (4.31%) Management Information System
8 15 (4.04%) Mobile App
9 11 (2.96%) Data Structures
10 10 (2.70%) Algorithms
11 9 (2.43%) Public Cloud
12 8 (2.16%) Self-Motivation
13 6 (1.62%) Blog
13 6 (1.62%) Cyber Kill Chain
13 6 (1.62%) Enterprise Software
14 5 (1.35%) Bitcoin
14 5 (1.35%) BYOD
15 4 (1.08%) Social Media
Operating Systems
1 160 (43.13%) Linux
2 69 (18.60%) Windows
3 48 (12.94%) Unix
4 21 (5.66%) CentOS
5 16 (4.31%) Red Hat Enterprise Linux
6 11 (2.96%) Solaris
7 7 (1.89%) Android
7 7 (1.89%) HPUX
8 6 (1.62%) AIX
8 6 (1.62%) Apple iOS
8 6 (1.62%) Windows Server 2003
8 6 (1.62%) Windows Server 2008
8 6 (1.62%) Windows Server 2012
8 6 (1.62%) Windows XP
9 4 (1.08%) Windows 7
10 3 (0.81%) Amazon Linux
10 3 (0.81%) Ubuntu
11 2 (0.54%) Fedora
11 2 (0.54%) Windows 8
12 1 (0.27%) Debian
Processes & Methodologies
1 136 (36.66%) Agile Software Development
2 100 (26.95%) DevOps
3 71 (19.14%) Scrum
4 55 (14.82%) Software Engineering
5 48 (12.94%) Configuration Management
6 44 (11.86%) Microservices
7 41 (11.05%) Information Security
7 41 (11.05%) TDD
8 36 (9.70%) OO
9 34 (9.16%) Cybersecurity
9 34 (9.16%) SIEM
10 32 (8.63%) Mathematics
11 30 (8.09%) SDLC
12 29 (7.82%) Continuous Integration
12 29 (7.82%) Penetration Testing
13 28 (7.55%) Data Encryption
14 24 (6.47%) Data Privacy
15 23 (6.20%) Analytics
15 23 (6.20%) Stakeholder Management
15 23 (6.20%) Vulnerability Assessment
Programming Languages
1 115 (31.00%) Python
2 100 (26.95%) Java
3 78 (21.02%) SQL
4 73 (19.68%) JavaScript
5 43 (11.59%) C++
6 42 (11.32%) C#
7 37 (9.97%) Ruby
8 28 (7.55%) PowerShell
9 27 (7.28%) Scala
10 24 (6.47%) Bash Shell
11 16 (4.31%) PHP
12 9 (2.43%) Go
13 8 (2.16%) Perl
13 8 (2.16%) T-SQL
14 6 (1.62%) VB.NET
15 5 (1.35%) ES6
15 5 (1.35%) Java 8
15 5 (1.35%) PL/SQL
15 5 (1.35%) R
15 5 (1.35%) VBA
Qualifications
1 51 (13.75%) Degree
2 30 (8.09%) CISSP
3 29 (7.82%) CISM
4 12 (3.23%) Numerate Degree
5 6 (1.62%) PhD
5 6 (1.62%) Security Cleared
6 3 (0.81%) SC Cleared
7 2 (0.54%) CEH
7 2 (0.54%) DV Cleared
7 2 (0.54%) ISTQB
7 2 (0.54%) ISTQB Foundation Certification
7 2 (0.54%) RHCA
7 2 (0.54%) RHCE
8 1 (0.27%) AWS Certification
8 1 (0.27%) CREST Certified
8 1 (0.27%) CSSLP
8 1 (0.27%) GCFE
8 1 (0.27%) GREM
8 1 (0.27%) GXPN
8 1 (0.27%) Tigerscheme
Quality Assurance & Compliance
1 24 (6.47%) GDPR
2 23 (6.20%) MiFID
3 10 (2.70%) QA
4 9 (2.43%) Data Quality
5 2 (0.54%) SLA
System Software
1 74 (19.95%) Docker
2 23 (6.20%) Snort
3 10 (2.70%) HDFS
4 9 (2.43%) Active Directory
4 9 (2.43%) VMware Infrastructure
5 6 (1.62%) Hyper-V
6 5 (1.35%) KVM
7 4 (1.08%) Apache ZooKeeper
7 4 (1.08%) Virtual Desktop
8 3 (0.81%) Virtual Machines
9 2 (0.54%) GlusterFS
9 2 (0.54%) Virtual Servers
10 1 (0.27%) iptables
10 1 (0.27%) NFS
Systems Management
1 67 (18.06%) Puppet
2 57 (15.36%) Ansible
3 50 (13.48%) Kubernetes
4 45 (12.13%) Opscode Chef
5 23 (6.20%) OSSEC
6 20 (5.39%) Mesos
7 19 (5.12%) Salt
8 17 (4.58%) Terraform
9 5 (1.35%) Nagios
9 5 (1.35%) Nessus
9 5 (1.35%) Network Intrusion Detection System
9 5 (1.35%) Oozie
9 5 (1.35%) OpenVAS
9 5 (1.35%) QRadar
9 5 (1.35%) SCCM
9 5 (1.35%) SCOM
10 4 (1.08%) Kibana
10 4 (1.08%) logstash
11 3 (0.81%) Graphite
12 2 (0.54%) Check_MK
Vendors
1 46 (12.40%) Google
2 35 (9.43%) Microsoft
3 19 (5.12%) Red Hat
4 16 (4.31%) Oracle
5 15 (4.04%) Splunk
6 13 (3.50%) VMware
7 11 (2.96%) NetApp
7 11 (2.96%) Sun
8 7 (1.89%) SaltStack
9 6 (1.62%) Citrix
9 6 (1.62%) Terracotta
10 5 (1.35%) Cisco
10 5 (1.35%) Hortonworks
10 5 (1.35%) Informatica
10 5 (1.35%) Palo Alto
10 5 (1.35%) Qualys
10 5 (1.35%) Rapid7
10 5 (1.35%) Tripwire
11 4 (1.08%) Facebook
11 4 (1.08%) Solace