Period
to 2 December 2021

The following table provides summary statistics for permanent job vacancies 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 2 December 2021 with a comparison to the same period in the previous 2 years.

Digital Subscriber Line (DSL)
UK
6 months to
2 Dec 2021
Same period 2020 Same period 2019
Rank 1005 725 965
Rank change year-on-year -280 +240 +63
Permanent jobs citing DSL 53 15 105
As % of all permanent jobs advertised in the UK 0.041% 0.027% 0.078%
As % of the Communications & Networking category 0.32% 0.18% 0.51%
Number of salaries quoted 48 11 94
10th Percentile £21,250 £30,000 £20,150
25th Percentile £31,250 £40,738 £27,313
Median annual salary (50th Percentile) £58,750 £55,000 £38,000
Median % change year-on-year +6.82% +44.74% +24.59%
75th Percentile £81,250 £73,000 £55,000
90th Percentile £105,000 £73,250 £59,625
UK excluding London median annual salary £50,000 £50,000 £37,500
% change year-on-year - +33.33% +22.95%

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 with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
UK
Permanent vacancies with a requirement for communications or computer networking skills 16,642 8,370 20,604
As % of all permanent IT jobs advertised in the UK 12.90% 15.03% 15.34%
Number of salaries quoted 11,498 6,872 16,356
10th Percentile £27,500 £29,000 £25,750
25th Percentile £36,250 £37,500 £32,500
Median annual salary (50th Percentile) £50,000 £50,000 £47,500
Median % change year-on-year - +5.26% -
75th Percentile £68,938 £67,500 £62,500
90th Percentile £85,000 £80,000 £77,500
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% -

DSL
Job Vacancy Trend

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

Job vacancy trend for DSL in the UK

DSL
Salary Trend

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

Salary trend for DSL in the UK

DSL
Salary Histogram

Salary distribution for jobs citing DSL over the 6 months to 2 December 2021.

Salary histogram for DSL in the UK

DSL
Top 12 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing DSL within the UK over the 6 months to 2 December 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
England -271 46 £68,750 +25.00% 8
UK excluding London -186 28 £50,000 - 5
London -230 22 £76,250 +38.64% 3
South East -150 12 £75,000 +2.39% 1
West Midlands -98 6 £32,500 - 3
Midlands -102 6 £32,500 - 3
Work from Home -254 5 £75,000 +50.00%
Wales - 4 £55,000 -
East of England - 3 £77,500 -
South West -69 2 £30,000 -29.37%
North East - 1 £35,000 - 1
North of England - 1 £35,000 - 1

For the 6 months to 2 December 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 with a requirement for DSL.

1 26 (49.06%) Agile Software Development
2 22 (41.51%) Scrum
2 22 (41.51%) Azure
3 16 (30.19%) DevOps
3 16 (30.19%) TDD
4 15 (28.30%) Docker
4 15 (28.30%) Kubernetes
4 15 (28.30%) Jenkins
5 14 (26.42%) Elasticsearch
5 14 (26.42%) .NET Core
5 14 (26.42%) Groovy
5 14 (26.42%) BDD
5 14 (26.42%) Process Improvement
5 14 (26.42%) C#
5 14 (26.42%) Java
5 14 (26.42%) .NET
5 14 (26.42%) SQL Server
5 14 (26.42%) Linux
6 13 (24.53%) Python
7 12 (22.64%) ITIL
7 12 (22.64%) SLA
7 12 (22.64%) Cisco
8 11 (20.75%) Microsoft 365
8 11 (20.75%) Continuous Integration
8 11 (20.75%) Azure Active Directory
9 10 (18.87%) Windows
10 9 (16.98%) Juniper
10 9 (16.98%) Ansible
11 8 (15.09%) Network Security
11 8 (15.09%) Sonatype Nexus

DSL
Co-occurring IT Skills 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 14 (26.42%) Elasticsearch
2 6 (11.32%) Confluence
3 1 (1.89%) IIS
3 1 (1.89%) MS Exchange
Applications
1 3 (5.66%) Chatbot
2 2 (3.77%) Microsoft Excel
2 2 (3.77%) Microsoft PowerPoint
Cloud Services
1 22 (41.51%) Azure
2 11 (20.75%) Azure Active Directory
2 11 (20.75%) Microsoft 365
3 8 (15.09%) Amazon ECS
4 7 (13.21%) AWS
5 6 (11.32%) Amazon EKS
5 6 (11.32%) AWS CloudFormation
5 6 (11.32%) GCP
6 5 (9.43%) Azure Key Vault
7 4 (7.55%) AWS Fargate
7 4 (7.55%) IaaS
7 4 (7.55%) Serverless
8 2 (3.77%) AWS CodePipeline
Communications & Networking
1 8 (15.09%) BGP
1 8 (15.09%) Firewall
1 8 (15.09%) MPLS
1 8 (15.09%) Network Security
2 7 (13.21%) VPN
3 6 (11.32%) OSPF
4 5 (9.43%) Cisco ASA
4 5 (9.43%) DNS
4 5 (9.43%) VoIP
4 5 (9.43%) WAN
4 5 (9.43%) Wi-Fi
5 4 (7.55%) Broadband
5 4 (7.55%) Ethernet
5 4 (7.55%) ISDN
5 4 (7.55%) Reverse Proxy
5 4 (7.55%) SAN
6 3 (5.66%) IPsec
6 3 (5.66%) LAN
7 2 (3.77%) PSTN
7 2 (3.77%) SSL
Database & Business Intelligence
1 14 (26.42%) SQL Server
2 7 (13.21%) MongoDB
3 6 (11.32%) Apache Cassandra
4 5 (9.43%) Azure SQL Database
5 4 (7.55%) Amazon DynamoDB
5 4 (7.55%) MariaDB
6 2 (3.77%) Data Mining
6 2 (3.77%) NoSQL
Development Applications
1 15 (28.30%) Jenkins
2 8 (15.09%) Sonatype Nexus
3 6 (11.32%) JIRA
3 6 (11.32%) Maven
3 6 (11.32%) SonarQube
4 4 (7.55%) Artifactory
4 4 (7.55%) Git (software)
5 1 (1.89%) Atlassian Bamboo
5 1 (1.89%) Cucumber
5 1 (1.89%) JMeter
5 1 (1.89%) Katalon Studio
5 1 (1.89%) Postman
5 1 (1.89%) REST Assured
5 1 (1.89%) Selenium
5 1 (1.89%) SoapUI
5 1 (1.89%) Zephyr
General
1 7 (13.21%) Finance
2 5 (9.43%) Social Skills
3 4 (7.55%) Retail
4 3 (5.66%) Banking
5 2 (3.77%) Analytical Skills
5 2 (3.77%) Telecoms
6 1 (1.89%) Back Office
6 1 (1.89%) Danish Language
6 1 (1.89%) Financial Institution
6 1 (1.89%) Swedish Language
Job Titles
1 9 (16.98%) .NET Developer
1 9 (16.98%) C# .NET Developer
1 9 (16.98%) C# Developer
1 9 (16.98%) Developer
1 9 (16.98%) Lead .NET Developer
1 9 (16.98%) Lead C# Developer
1 9 (16.98%) Lead Developer
2 7 (13.21%) DevOps Engineer
2 7 (13.21%) Elasticsearch Developer
3 6 (11.32%) Network Engineer
4 5 (9.43%) 1st Line Service Desk Analyst
4 5 (9.43%) 2nd Line Engineer
4 5 (9.43%) Analyst
4 5 (9.43%) Development Team Leader
4 5 (9.43%) Service Analyst
4 5 (9.43%) Service Desk Analyst
4 5 (9.43%) Team Leader
5 4 (7.55%) Cisco Engineer
5 4 (7.55%) Cisco Network Engineer
6 3 (5.66%) Senior Network Engineer
Libraries, Frameworks & Software Standards
1 14 (26.42%) .NET
1 14 (26.42%) .NET Core
2 8 (15.09%) J2EE
2 8 (15.09%) React
3 6 (11.32%) JSP
3 6 (11.32%) Node.js
3 6 (11.32%) Servlets
4 4 (7.55%) RabbitMQ
4 4 (7.55%) RESTful
4 4 (7.55%) Web Services
5 2 (3.77%) Elastic Stack
6 1 (1.89%) Akka
6 1 (1.89%) JMS
6 1 (1.89%) Kafka
6 1 (1.89%) Spring
Miscellaneous
1 5 (9.43%) Cloud Native
2 4 (7.55%) Data Protection Act
2 4 (7.55%) Digital Media
2 4 (7.55%) Digital TV
3 3 (5.66%) Data Centre
3 3 (5.66%) Management Information System
3 3 (5.66%) Robotics
4 2 (3.77%) Greenfield Project
4 2 (3.77%) PKI
5 1 (1.89%) Cardano
5 1 (1.89%) Clustering
5 1 (1.89%) EPoS
Operating Systems
1 14 (26.42%) Linux
2 10 (18.87%) Windows
3 7 (13.21%) CentOS
3 7 (13.21%) Ubuntu
4 6 (11.32%) Windows Server 2008
4 6 (11.32%) Windows Server 2012
4 6 (11.32%) Windows Server 2016
5 3 (5.66%) Red Hat Enterprise Linux
6 2 (3.77%) AIX
6 2 (3.77%) Solaris
6 2 (3.77%) Unix
7 1 (1.89%) Windows Server
Processes & Methodologies
1 26 (49.06%) Agile Software Development
2 22 (41.51%) Scrum
3 16 (30.19%) DevOps
3 16 (30.19%) TDD
4 14 (26.42%) BDD
4 14 (26.42%) Process Improvement
5 12 (22.64%) ITIL
6 11 (20.75%) Continuous Integration
7 8 (15.09%) Analytics
7 8 (15.09%) Microservices
8 7 (13.21%) SDLC
9 6 (11.32%) Data Analytics
9 6 (11.32%) Full Stack Development
9 6 (11.32%) Infrastructure as Code
9 6 (11.32%) Kalman Filter
9 6 (11.32%) Kanban
9 6 (11.32%) Release Management
10 5 (9.43%) Data Science
10 5 (9.43%) ITSM
10 5 (9.43%) Service Management
Programming Languages
1 14 (26.42%) C#
1 14 (26.42%) Groovy
1 14 (26.42%) Java
2 13 (24.53%) Python
3 8 (15.09%) JavaScript
4 7 (13.21%) SQL
5 6 (11.32%) Bash Shell
6 4 (7.55%) Perl
7 2 (3.77%) Jython
7 2 (3.77%) PL/SQL
7 2 (3.77%) R
7 2 (3.77%) VBA
8 1 (1.89%) C
8 1 (1.89%) Go
8 1 (1.89%) Haskell
8 1 (1.89%) Java 8
8 1 (1.89%) PureScript
Qualifications
1 8 (15.09%) Degree
2 6 (11.32%) Cisco Certification
3 5 (9.43%) CCNP
4 4 (7.55%) AWS Certification
4 4 (7.55%) CCNA
5 2 (3.77%) CCIE
5 2 (3.77%) CCIE Service Provider
5 2 (3.77%) JNCIE
5 2 (3.77%) JNCIP
5 2 (3.77%) OCP
5 2 (3.77%) Oracle Certification
6 1 (1.89%) A+ Certification
6 1 (1.89%) Computer Science Degree
6 1 (1.89%) JNCIA
6 1 (1.89%) MCITP
6 1 (1.89%) MCSA
6 1 (1.89%) Microsoft Certification
6 1 (1.89%) Network+ Certification
6 1 (1.89%) SC Cleared
6 1 (1.89%) Security Cleared
Quality Assurance & Compliance
1 12 (22.64%) SLA
2 2 (3.77%) ISO/IEC 27001
2 2 (3.77%) QA
System Software
1 15 (28.30%) Docker
2 7 (13.21%) Active Directory
3 5 (9.43%) Virtual Machines
4 1 (1.89%) Hyper-V
4 1 (1.89%) VMware Infrastructure
Systems Management
1 15 (28.30%) Kubernetes
2 9 (16.98%) Ansible
3 6 (11.32%) Docker Swarm
3 6 (11.32%) Istio
3 6 (11.32%) Puppet
4 5 (9.43%) Terraform
5 4 (7.55%) Prometheus
6 2 (3.77%) Cisco CUCM
6 2 (3.77%) Cisco Prime
6 2 (3.77%) Grafana
6 2 (3.77%) HP Fortify
6 2 (3.77%) Icinga
6 2 (3.77%) Nagios
6 2 (3.77%) Opscode Chef
6 2 (3.77%) SolarWinds Orion
7 1 (1.89%) FortiGate
Vendors
1 12 (22.64%) Cisco
2 9 (16.98%) Juniper
3 7 (13.21%) Palo Alto
4 5 (9.43%) VMware
5 3 (5.66%) Microsoft
6 2 (3.77%) Barracuda Networks
6 2 (3.77%) Black Duck
6 2 (3.77%) F5
6 2 (3.77%) Forcepoint
6 2 (3.77%) Google
6 2 (3.77%) Oracle
6 2 (3.77%) Red Hat
6 2 (3.77%) SolarWinds
6 2 (3.77%) Splunk
6 2 (3.77%) Veeam
6 2 (3.77%) Veracode
7 1 (1.89%) Fortinet
7 1 (1.89%) GENBAND
7 1 (1.89%) Meraki
7 1 (1.89%) Salesforce.com