Period
to 17 April 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 17 April 2021 with a comparison to the same period in the previous 2 years.

Digital Subscriber Line (DSL)
UK
6 months to
17 Apr 2021
Same period 2020 Same period 2019
Rank 838 892 984
Rank change year-on-year +54 +92 +86
Permanent jobs citing DSL 25 70 128
As % of all permanent jobs advertised in the UK 0.030% 0.063% 0.086%
As % of the Communications & Networking category 0.23% 0.42% 0.56%
Number of salaries quoted 18 62 107
10th Percentile £29,900 £28,500 £22,500
25th Percentile £37,356 £29,000 £27,500
Median annual salary (50th Percentile) £60,000 £36,250 £37,500
Median % change year-on-year +65.52% -3.33% +4.17%
75th Percentile £66,563 £60,000 £53,750
90th Percentile £86,875 £72,825 £67,500
UK excluding London median annual salary £60,000 £35,000 £40,500
% change year-on-year +71.43% -13.58% +38.46%

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 10,884 16,736 22,817
As % of all permanent IT jobs advertised in the UK 12.93% 15.06% 15.35%
Number of salaries quoted 8,283 13,361 17,751
10th Percentile £28,500 £26,250 £26,250
25th Percentile £37,500 £34,250 £33,500
Median annual salary (50th Percentile) £50,000 £47,500 £47,500
Median % change year-on-year +5.26% - +5.56%
75th Percentile £66,000 £63,750 £62,500
90th Percentile £80,000 £77,500 £77,500
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +0.10%

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 17 April 2021.

Salary histogram for DSL in the UK

DSL
Top 10 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 17 April 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 +95 25 £60,000 +65.52%
London +110 13 £60,000 -5.88%
UK excluding London +71 12 £60,000 +71.43%
North of England +30 9 £60,000 +81.82%
Yorkshire +2 8 £60,000 -
Work from Home -135 3 £100,000 +37.93%
Midlands +52 2 £32,000 -32.63%
West Midlands +20 2 £32,000 -32.63%
North West +26 1 - -
South West -1 1 £34,950 -24.02%

For the 6 months to 17 April 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 19 (76.00%) Windows
2 17 (68.00%) Python
3 15 (60.00%) Linux
4 12 (48.00%) VPN
5 11 (44.00%) Windows Server
6 10 (40.00%) Kalman Filter
6 10 (40.00%) Windows 10
6 10 (40.00%) DHCP
6 10 (40.00%) MPLS
6 10 (40.00%) Firewall
7 9 (36.00%) Telecoms
7 9 (36.00%) Cisco
7 9 (36.00%) Git (software)
7 9 (36.00%) AWS
7 9 (36.00%) Terraform
7 9 (36.00%) Windows Server 2019
8 8 (32.00%) VXLAN
8 8 (32.00%) Docker
8 8 (32.00%) Microservices
8 8 (32.00%) JNCIP
8 8 (32.00%) Ubuntu
8 8 (32.00%) Capacity Planning
8 8 (32.00%) FreeRADIUS
8 8 (32.00%) FortiGate
8 8 (32.00%) DNS
8 8 (32.00%) PHP
8 8 (32.00%) IPsec
8 8 (32.00%) OSPF
8 8 (32.00%) BGP
8 8 (32.00%) CCNP

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 6 (24.00%) Apache
2 4 (16.00%) MS Exchange
2 4 (16.00%) nginx
3 2 (8.00%) Apache Spark
3 2 (8.00%) Elasticsearch
3 2 (8.00%) Exchange Server 2007
3 2 (8.00%) Exchange Server 2010
3 2 (8.00%) Exchange Server 2013
Applications
1 3 (12.00%) Microsoft Office
Cloud Services
1 9 (36.00%) AWS
2 6 (24.00%) Microsoft 365
3 4 (16.00%) Azure
4 3 (12.00%) Azure Active Directory
5 2 (8.00%) Amazon EKS
5 2 (8.00%) Mimecast
5 2 (8.00%) NuGet
5 2 (8.00%) SaaS
6 1 (4.00%) Amazon CloudWatch
6 1 (4.00%) AWS CodeDeploy
6 1 (4.00%) AWS CodePipeline
6 1 (4.00%) Datadog
Communications & Networking
1 12 (48.00%) VPN
2 10 (40.00%) DHCP
2 10 (40.00%) Firewall
2 10 (40.00%) MPLS
3 8 (32.00%) BGP
3 8 (32.00%) DNS
3 8 (32.00%) IPsec
3 8 (32.00%) OSPF
3 8 (32.00%) VXLAN
4 4 (16.00%) Internet
4 4 (16.00%) TCP/IP
5 3 (12.00%) 4G
5 3 (12.00%) VoIP
5 3 (12.00%) Wi-Fi
6 2 (8.00%) Broadband
6 2 (8.00%) LAN
6 2 (8.00%) VLAN
6 2 (8.00%) WAN
7 1 (4.00%) GPON
7 1 (4.00%) Wireless
Database & Business Intelligence
1 4 (16.00%) MySQL
1 4 (16.00%) PostgreSQL
1 4 (16.00%) Relational Database
1 4 (16.00%) SQL Server
2 1 (4.00%) Tableau
Development Applications
1 9 (36.00%) Git (software)
2 5 (20.00%) Jenkins
3 2 (8.00%) Artifactory
3 2 (8.00%) Chocolatey
3 2 (8.00%) GitLab
General
1 9 (36.00%) Telecoms
2 4 (16.00%) Finance
3 2 (8.00%) Billing
4 1 (4.00%) Games
Job Titles
1 8 (32.00%) Network Engineer
1 8 (32.00%) Senior Network Engineer
2 5 (20.00%) AWS Engineer
2 5 (20.00%) Cloud Engineer
3 4 (16.00%) Linux Engineer
3 4 (16.00%) Python Engineer
4 3 (12.00%) Support Engineer
5 2 (8.00%) 1st Line Service Desk Analyst
5 2 (8.00%) 3rd Line Support
5 2 (8.00%) 3rd Line Support Engineer
5 2 (8.00%) Active Directory Analyst
5 2 (8.00%) Infrastructure Engineer
5 2 (8.00%) IT Support
5 2 (8.00%) Java Engineer
5 2 (8.00%) Operations Engineer
5 2 (8.00%) Senior Infrastructure Engineer
5 2 (8.00%) Server Analyst
5 2 (8.00%) Service Analyst
5 2 (8.00%) Service Desk Analyst
5 2 (8.00%) Site Engineer
Libraries, Frameworks & Software Standards
1 4 (16.00%) LAMP
1 4 (16.00%) LAPP Stack
1 4 (16.00%) LEMP Stack
2 2 (8.00%) Django
2 2 (8.00%) Flask
2 2 (8.00%) Kafka
2 2 (8.00%) Natural Language Processing
2 2 (8.00%) PySpark
2 2 (8.00%) RESTful
2 2 (8.00%) Web Services
3 1 (4.00%) 802.1X
3 1 (4.00%) Elastic Stack
3 1 (4.00%) Middleware
3 1 (4.00%) WSH
Miscellaneous
1 4 (16.00%) Linux Command Line
2 2 (8.00%) Algorithms
2 2 (8.00%) Analytical Skills
2 2 (8.00%) Blackberry
2 2 (8.00%) Hybrid Cloud
3 1 (4.00%) Driving Licence
3 1 (4.00%) Smartphone
Operating Systems
1 19 (76.00%) Windows
2 15 (60.00%) Linux
3 11 (44.00%) Windows Server
4 10 (40.00%) Windows 10
5 9 (36.00%) Windows Server 2019
6 8 (32.00%) Ubuntu
7 6 (24.00%) Windows Server 2008
8 4 (16.00%) CentOS
8 4 (16.00%) Windows Server 2012
8 4 (16.00%) Windows Server 2016
9 2 (8.00%) Unix
9 2 (8.00%) Windows 7
10 1 (4.00%) OpenWrt
Processes & Methodologies
1 10 (40.00%) Kalman Filter
2 8 (32.00%) Capacity Planning
2 8 (32.00%) Microservices
3 6 (24.00%) Innovative Thinking
4 4 (16.00%) Fintech
4 4 (16.00%) Open Source
5 3 (12.00%) ETL
5 3 (12.00%) Infrastructure as Code
5 3 (12.00%) Mentoring
5 3 (12.00%) Observability
6 2 (8.00%) Cloud Operations
6 2 (8.00%) Collaborative Working
6 2 (8.00%) Data Science
6 2 (8.00%) Infrastructure Engineering
6 2 (8.00%) Problem-Solving
6 2 (8.00%) SDLC
6 2 (8.00%) Service-Level Objective
6 2 (8.00%) Site Reliability Engineering
6 2 (8.00%) Software Delivery
6 2 (8.00%) Systems Engineering
Programming Languages
1 17 (68.00%) Python
2 8 (32.00%) PHP
3 7 (28.00%) Java
4 4 (16.00%) Bash Shell
4 4 (16.00%) Groovy
5 3 (12.00%) Go
6 2 (8.00%) C
6 2 (8.00%) SQL
7 1 (4.00%) JavaScript
7 1 (4.00%) PowerShell
7 1 (4.00%) VBScript
Qualifications
1 8 (32.00%) CCNP
1 8 (32.00%) Cisco Certification
1 8 (32.00%) JNCIP
Quality Assurance & Compliance
1 3 (12.00%) QA
System Software
1 8 (32.00%) Docker
1 8 (32.00%) FreeRADIUS
2 6 (24.00%) Active Directory
3 1 (4.00%) Hyper-V
Systems Management
1 9 (36.00%) Terraform
2 8 (32.00%) FortiGate
3 4 (16.00%) HAProxy
3 4 (16.00%) Kubernetes
4 3 (12.00%) Ansible
4 3 (12.00%) Grafana
4 3 (12.00%) Kibana
4 3 (12.00%) Prometheus
5 2 (8.00%) Microsoft Intune
5 2 (8.00%) SCCM
5 2 (8.00%) yum
6 1 (4.00%) logstash
Vendors
1 9 (36.00%) Cisco
2 8 (32.00%) Juniper
3 6 (24.00%) Microsoft
4 2 (8.00%) HP
5 1 (4.00%) AppDynamics
5 1 (4.00%) Avaya
5 1 (4.00%) Meraki
5 1 (4.00%) Samsung
5 1 (4.00%) SonicWALL
5 1 (4.00%) Splunk
5 1 (4.00%) Ubiquiti
5 1 (4.00%) VMware