Period
to 27 July 2021

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for DSL skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited DSL over the 6 months to 27 July 2021 with a comparison to the same period in the previous 2 years.

Digital Subscriber Line (DSL)
England > London
6 months to
27 Jul 2021
Same period 2020 Same period 2019
Rank 655 546 716
Rank change year-on-year -109 +170 +87
Permanent jobs citing DSL 18 16 31
As % of all permanent jobs advertised in London 0.040% 0.055% 0.054%
As % of the Communications & Networking category 0.36% 0.41% 0.43%
Number of salaries quoted 14 11 28
10th Percentile £21,250 £68,750 "
25th Percentile £46,563 £70,875 £22,500
Median annual salary (50th Percentile) £77,500 £73,000 £36,000
Median % change year-on-year +6.16% +102.78% +20.00%
75th Percentile £105,000 £75,625 £53,188
90th Percentile " £76,250 £87,500
England median annual salary £60,000 £60,000 £40,000
% change year-on-year - +50.00% +33.33%

DSL is in the Communications and Computer Networking 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 communications or computer networking skills.

All Communications and Computer Networking Skills
London
Permanent vacancies with a requirement for communications or computer networking skills 4,998 3,935 7,199
As % of all permanent IT jobs advertised in London 11.12% 13.53% 12.45%
Number of salaries quoted 3,293 3,194 5,919
10th Percentile £35,000 £32,500 £29,000
25th Percentile £47,500 £45,000 £37,500
Median annual salary (50th Percentile) £62,500 £60,000 £55,000
Median % change year-on-year +4.17% +9.09% -
75th Percentile £80,000 £77,500 £75,000
90th Percentile £95,000 £90,000 £87,500
England median annual salary £50,000 £50,000 £46,000
% change year-on-year - +8.70% -3.16%

DSL
Job Vacancy Trend in London

Job postings citing DSL as a proportion of all IT jobs advertised in London.

Job vacancy trend for DSL in London

DSL
Salary Trend in London

3-month moving average salary quoted in jobs citing DSL in London.

Salary trend for DSL in London

DSL
Salary Histogram in London

Salary distribution for jobs citing DSL in London over the 6 months to 27 July 2021.

Salary histogram for DSL in London

DSL
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing DSL within the London region over the 6 months to 27 July 2021. 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 -2 3 £22,500 -69.18%
DSL
England

For the 6 months to 27 July 2021, IT jobs citing DSL 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 DSL.

1 13 (72.22%) Java
2 12 (66.67%) Jenkins
3 11 (61.11%) Azure
4 10 (55.56%) Docker
5 9 (50.00%) Python
5 9 (50.00%) Groovy
6 8 (44.44%) Finance
6 8 (44.44%) Windows
6 8 (44.44%) Microservices
6 8 (44.44%) Kubernetes
7 7 (38.89%) DevOps
7 7 (38.89%) AWS
7 7 (38.89%) Git (software)
7 7 (38.89%) Agile Software Development
7 7 (38.89%) Terraform
7 7 (38.89%) Amazon EKS
8 6 (33.33%) Scrum
8 6 (33.33%) JavaScript
8 6 (33.33%) SDLC
9 5 (27.78%) React
9 5 (27.78%) Confluence
9 5 (27.78%) Data Analytics
9 5 (27.78%) Analytics
9 5 (27.78%) Node.js
9 5 (27.78%) J2EE
9 5 (27.78%) JSP
9 5 (27.78%) Servlets
9 5 (27.78%) Linux
9 5 (27.78%) Apache
9 5 (27.78%) Continuous Integration

DSL
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 5 (27.78%) Apache
1 5 (27.78%) Confluence
2 4 (22.22%) nginx
3 1 (5.56%) Apache Spark
3 1 (5.56%) Elasticsearch
3 1 (5.56%) MS Exchange
Applications
1 3 (16.67%) Chatbot
Cloud Services
1 11 (61.11%) Azure
2 7 (38.89%) Amazon EKS
2 7 (38.89%) AWS
3 4 (22.22%) Azure Active Directory
3 4 (22.22%) Microsoft 365
4 3 (16.67%) GCP
5 2 (11.11%) Amazon CloudWatch
5 2 (11.11%) AWS CodeDeploy
5 2 (11.11%) AWS CodePipeline
5 2 (11.11%) Datadog
5 2 (11.11%) NuGet
5 2 (11.11%) SaaS
Communications & Networking
1 3 (16.67%) Reverse Proxy
2 1 (5.56%) Firewall
2 1 (5.56%) Internet
2 1 (5.56%) LAN
2 1 (5.56%) VPN
2 1 (5.56%) WAN
Database & Business Intelligence
1 4 (22.22%) MySQL
1 4 (22.22%) PostgreSQL
1 4 (22.22%) Relational Database
1 4 (22.22%) SQL Server
2 2 (11.11%) Tableau
Development Applications
1 12 (66.67%) Jenkins
2 7 (38.89%) Git (software)
3 5 (27.78%) JIRA
3 5 (27.78%) Sonatype Nexus
4 2 (11.11%) Chocolatey
4 2 (11.11%) SonarQube
5 1 (5.56%) Atlassian Bamboo
5 1 (5.56%) JMeter
5 1 (5.56%) Katalon Studio
5 1 (5.56%) Postman
5 1 (5.56%) REST Assured
5 1 (5.56%) Selenium
5 1 (5.56%) SoapUI
5 1 (5.56%) Zephyr
General
1 8 (44.44%) Finance
2 3 (16.67%) Banking
2 3 (16.67%) Retail
3 2 (11.11%) Games
4 1 (5.56%) Analytical Skills
4 1 (5.56%) Danish Language
4 1 (5.56%) Swedish Language
Job Titles
1 6 (33.33%) AWS Engineer
1 6 (33.33%) Cloud Engineer
2 4 (22.22%) Analyst
2 4 (22.22%) Linux Engineer
3 3 (16.67%) 1st Line Service Desk Analyst
3 3 (16.67%) Python Engineer
3 3 (16.67%) Service Analyst
3 3 (16.67%) Service Desk Analyst
4 2 (11.11%) Azure Engineer
4 2 (11.11%) CloudOps Engineer
4 2 (11.11%) Java Engineer
4 2 (11.11%) Kubernetes Engineer
4 2 (11.11%) Monitoring Engineer
4 2 (11.11%) Operations Engineer
4 2 (11.11%) Platform Engineer
4 2 (11.11%) Software Engineer
5 1 (5.56%) 3rd Line Support Engineer
5 1 (5.56%) Senior Automation Test Analyst
5 1 (5.56%) Support Engineer
5 1 (5.56%) Test Analyst
Libraries, Frameworks & Software Standards
1 5 (27.78%) J2EE
1 5 (27.78%) JSP
1 5 (27.78%) Node.js
1 5 (27.78%) React
1 5 (27.78%) Servlets
2 4 (22.22%) LAMP
2 4 (22.22%) LAPP Stack
2 4 (22.22%) LEMP Stack
3 2 (11.11%) Elastic Stack
3 2 (11.11%) Middleware
3 2 (11.11%) Web Services
4 1 (5.56%) Django
4 1 (5.56%) Flask
4 1 (5.56%) Kafka
4 1 (5.56%) PySpark
4 1 (5.56%) RESTful
4 1 (5.56%) WSH
Miscellaneous
1 4 (22.22%) Linux Command Line
2 3 (16.67%) Data Protection Act
2 3 (16.67%) Robotics
3 1 (5.56%) Algorithms
3 1 (5.56%) Foreign Exchange (FX)
3 1 (5.56%) Hedge funds
Operating Systems
1 8 (44.44%) Windows
2 5 (27.78%) Linux
3 4 (22.22%) CentOS
3 4 (22.22%) Windows Server 2008
3 4 (22.22%) Windows Server 2012
3 4 (22.22%) Windows Server 2016
4 1 (5.56%) Windows 10
4 1 (5.56%) Windows 7
4 1 (5.56%) Windows Server
4 1 (5.56%) Windows Server 2019
Processes & Methodologies
1 8 (44.44%) Microservices
2 7 (38.89%) Agile Software Development
2 7 (38.89%) DevOps
3 6 (33.33%) Scrum
3 6 (33.33%) SDLC
4 5 (27.78%) Analytics
4 5 (27.78%) Continuous Integration
4 5 (27.78%) Data Analytics
4 5 (27.78%) Fintech
4 5 (27.78%) Kanban
5 4 (22.22%) Artificial Intelligence
5 4 (22.22%) Data Science
5 4 (22.22%) Infrastructure as Code
5 4 (22.22%) Natural Language Processing
6 3 (16.67%) Conversational UI
6 3 (16.67%) Data Protection
6 3 (16.67%) ETL
6 3 (16.67%) ITIL
6 3 (16.67%) Test Automation
7 2 (11.11%) Open Source
Programming Languages
1 13 (72.22%) Java
2 9 (50.00%) Groovy
2 9 (50.00%) Python
3 6 (33.33%) JavaScript
4 4 (22.22%) Bash Shell
5 3 (16.67%) Go
6 1 (5.56%) C#
6 1 (5.56%) PowerShell
6 1 (5.56%) SQL
6 1 (5.56%) VBScript
Qualifications
1 1 (5.56%) Computer Science Degree
1 1 (5.56%) Degree
Quality Assurance & Compliance
1 3 (16.67%) QA
1 3 (16.67%) SLA
System Software
1 10 (55.56%) Docker
2 4 (22.22%) Active Directory
Systems Management
1 8 (44.44%) Kubernetes
2 7 (38.89%) Terraform
3 5 (27.78%) Istio
4 4 (22.22%) HAProxy
5 3 (16.67%) Kibana
6 2 (11.11%) Ansible
6 2 (11.11%) Grafana
6 2 (11.11%) logstash
6 2 (11.11%) Prometheus
6 2 (11.11%) yum
Vendors
1 2 (11.11%) AppDynamics
1 2 (11.11%) Splunk
2 1 (5.56%) Microsoft
2 1 (5.56%) Salesforce.com
2 1 (5.56%) VMware