Period
to 20 July 2018

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 20 July 2018 with a comparison to the same period in the previous 2 years.

Digital Subscriber Line (DSL)
England > London
6 months to
20 Jul 2018
Same period 2017 Same period 2016
Rank 770 758 852
Rank change year-on-year -12 +94 -29
Permanent jobs citing DSL 55 78 62
As % of all permanent IT jobs advertised in London 0.077% 0.11% 0.075%
As % of the Communications & Networking category 0.54% 0.69% 0.47%
Number of salaries quoted 32 63 61
London median annual salary £42,500 £47,500 £52,500
Median salary % change year-on-year -10.53% -9.52% +40.00%
10th Percentile £26,250 £36,250 £27,750
90th Percentile £62,375 £62,250 £66,250
England median annual salary £36,000 £41,000 £43,500
% change year-on-year -12.20% -5.75% +20.83%

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 10,190 11,268 13,097
As % of all permanent IT jobs advertised in London 14.30% 15.40% 15.79%
Number of salaries quoted 8,337 9,299 11,205
London median annual salary £55,000 £54,000 £52,500
Median salary % change year-on-year +1.85% +2.86% +5.00%
10th Percentile £30,000 £30,000 £29,425
90th Percentile £85,000 £80,000 £78,750
England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - -

DSL
Job Vacancy Trend in London

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

Job vacancy trend for DSL in London

DSL
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing DSL in London.

Salary trend for DSL in London

DSL
Salary Histogram in London

The salary distribution of IT jobs citing DSL in London over the 6 months to 20 July 2018.

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 20 July 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
West London +16 10 £57,500 +36.90% 1
Central London -36 8 £54,250 +14.21% 1
North London - 1 £29,500 -
DSL
England

For the 6 months to 20 July 2018, 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 29 (52.73%) VPN
1 29 (52.73%) Firewall
2 27 (49.09%) Cisco
3 23 (41.82%) Microsoft
4 22 (40.00%) Active Directory
4 22 (40.00%) LAN
5 20 (36.36%) MPLS
5 20 (36.36%) Degree
6 19 (34.55%) Cisco ASA
6 19 (34.55%) TCP/IP
7 18 (32.73%) Cisco Certification
7 18 (32.73%) Windows
7 18 (32.73%) Windows 7
8 17 (30.91%) Windows 10
8 17 (30.91%) Java
8 17 (30.91%) DHCP
8 17 (30.91%) DNS
8 17 (30.91%) Problem-Solving
9 16 (29.09%) HP
9 16 (29.09%) CCNP
9 16 (29.09%) ADSL
10 15 (27.27%) Ethernet
10 15 (27.27%) Microsoft Office
10 15 (27.27%) Analytical Skills
11 14 (25.45%) Scala
11 14 (25.45%) VoIP
11 14 (25.45%) Self-Motivation
12 13 (23.64%) Fintech
12 13 (23.64%) Greenfield Project
12 13 (23.64%) WAN

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 4 (7.27%) MS Exchange
2 2 (3.64%) Apache
2 2 (3.64%) Apache Spark
2 2 (3.64%) Skype for Business
3 1 (1.82%) Confluence
3 1 (1.82%) Exchange Server 2007
3 1 (1.82%) Exchange Server 2010
3 1 (1.82%) Exchange Server 2013
3 1 (1.82%) IIS
3 1 (1.82%) SharePoint
3 1 (1.82%) SharePoint Server
Applications
1 15 (27.27%) Microsoft Office
Cloud Services
1 9 (16.36%) G Suite
1 9 (16.36%) Office 365
2 6 (10.91%) Amazon AWS
3 5 (9.09%) IaaS
3 5 (9.09%) SaaS
4 1 (1.82%) Microsoft Azure
Communications & Networking
1 29 (52.73%) Firewall
1 29 (52.73%) VPN
2 22 (40.00%) LAN
3 20 (36.36%) MPLS
4 19 (34.55%) Cisco ASA
4 19 (34.55%) TCP/IP
5 17 (30.91%) DHCP
5 17 (30.91%) DNS
6 16 (29.09%) ADSL
7 15 (27.27%) Ethernet
8 14 (25.45%) VoIP
9 13 (23.64%) WAN
10 10 (18.18%) GPRS
11 8 (14.55%) 3G
11 8 (14.55%) BGP
11 8 (14.55%) OSPF
11 8 (14.55%) Wireless
12 7 (12.73%) VLAN
12 7 (12.73%) VRRP
12 7 (12.73%) Wi-Fi
Database & Business Intelligence
1 2 (3.64%) Big Data
1 2 (3.64%) Hadoop
1 2 (3.64%) Hazelcast
1 2 (3.64%) Impala
2 1 (1.82%) CouchDB
2 1 (1.82%) NoSQL
2 1 (1.82%) Relational Database
Development Applications
1 4 (7.27%) Selenium
2 3 (5.45%) Cucumber
2 3 (5.45%) Jasmine
2 3 (5.45%) JUnit
3 2 (3.64%) Karma Test Runner
4 1 (1.82%) Ant
4 1 (1.82%) Git (software)
4 1 (1.82%) Gradle
4 1 (1.82%) Jenkins
4 1 (1.82%) JIRA
4 1 (1.82%) Maven
General
1 9 (16.36%) Finance
2 7 (12.73%) Games
3 5 (9.09%) Banking
4 2 (3.64%) Telecoms
5 1 (1.82%) Marketing
Job Titles
1 17 (30.91%) Developer
2 16 (29.09%) Network Engineer
3 13 (23.64%) F# Developer
3 13 (23.64%) Haskell Developer
3 13 (23.64%) Haskell Programmer
3 13 (23.64%) OCaml Developer
3 13 (23.64%) OCaml Programmer
3 13 (23.64%) Programmer
3 13 (23.64%) Scala Developer
4 11 (20.00%) Support Engineer
5 9 (16.36%) Customer Engineer
5 9 (16.36%) Customer Support Engineer
5 9 (16.36%) Help Desk Engineer
5 9 (16.36%) Help Desk Support
5 9 (16.36%) Help Desk Support Engineer
6 7 (12.73%) Field Engineer
7 6 (10.91%) Field Service Engineer
8 4 (7.27%) Core Network Engineer
9 3 (5.45%) 3rd Line Network Engineer
9 3 (5.45%) Angular Developer
Libraries, Frameworks & Software Standards
1 7 (12.73%) 802.1X
2 4 (7.27%) AngularJS
2 4 (7.27%) CSS
2 4 (7.27%) HTML
2 4 (7.27%) HTML5
3 3 (5.45%) LDAP
3 3 (5.45%) Spring
4 2 (3.64%) .NET
4 2 (3.64%) .NET Framework
4 2 (3.64%) Angular 2
4 2 (3.64%) Hibernate
4 2 (3.64%) Lambda Expressions
4 2 (3.64%) REST
4 2 (3.64%) Sass
4 2 (3.64%) Scalaz
5 1 (1.82%) CSS3
5 1 (1.82%) Flask
5 1 (1.82%) React
5 1 (1.82%) RESTful
5 1 (1.82%) Spring Boot
Miscellaneous
1 15 (27.27%) Analytical Skills
2 14 (25.45%) Self-Motivation
3 13 (23.64%) Fintech
3 13 (23.64%) Greenfield Project
4 9 (16.36%) Video Conferencing
5 7 (12.73%) Data Centre
6 6 (10.91%) Blackberry
7 5 (9.09%) Computer Science
7 5 (9.09%) Hedge funds
7 5 (9.09%) Wiki
8 3 (5.45%) Credit Risk
9 2 (3.64%) iPhone
9 2 (3.64%) IVR
10 1 (1.82%) EPoS
10 1 (1.82%) Mobile Banking
Operating Systems
1 18 (32.73%) Windows
1 18 (32.73%) Windows 7
2 17 (30.91%) Windows 10
3 12 (21.82%) Windows Server
4 11 (20.00%) Windows Server 2008
5 6 (10.91%) Android
5 6 (10.91%) Windows 8
6 5 (9.09%) Apple iOS
6 5 (9.09%) Windows Mobile
7 3 (5.45%) Windows Server 2012
8 1 (1.82%) Linux
8 1 (1.82%) Windows Phone
8 1 (1.82%) Windows XP
Processes & Methodologies
1 17 (30.91%) Problem-Solving
2 13 (23.64%) Analytics
2 13 (23.64%) Functional Programming
3 7 (12.73%) Network Monitoring
4 5 (9.09%) Continuous Improvement
4 5 (9.09%) ITIL
4 5 (9.09%) Technical Architecture
5 4 (7.27%) Agile Software Development
5 4 (7.27%) Continuous Integration
5 4 (7.27%) Network Architecture
5 4 (7.27%) Test Automation
6 3 (5.45%) Integration Testing
6 3 (5.45%) SDLC
7 2 (3.64%) Change Control
7 2 (3.64%) Configuration Management
7 2 (3.64%) Kalman Filter
7 2 (3.64%) Memory Management
7 2 (3.64%) Network Planning
7 2 (3.64%) Presales
7 2 (3.64%) Telesales
Programming Languages
1 17 (30.91%) Java
2 14 (25.45%) Scala
3 13 (23.64%) F#
3 13 (23.64%) Haskell
3 13 (23.64%) OCaml
3 13 (23.64%) Python
4 6 (10.91%) Java 8
5 4 (7.27%) JavaScript
6 3 (5.45%) TypeScript
7 1 (1.82%) Bash Shell
7 1 (1.82%) PHP
7 1 (1.82%) SQL
7 1 (1.82%) VB
7 1 (1.82%) VBA
Qualifications
1 20 (36.36%) Degree
2 18 (32.73%) Cisco Certification
3 16 (29.09%) CCNP
4 10 (18.18%) CCNA
5 8 (14.55%) Microsoft Certification
6 5 (9.09%) JNCIP
6 5 (9.09%) MCITP
6 5 (9.09%) MCP
7 4 (7.27%) CCSA
8 3 (5.45%) CCIE
8 3 (5.45%) MCSA
9 2 (3.64%) CCSP
9 2 (3.64%) CCVP
9 2 (3.64%) HP APS
Quality Assurance & Compliance
1 4 (7.27%) SLA
2 1 (1.82%) GDPR
System Software
1 22 (40.00%) Active Directory
2 6 (10.91%) vSphere
3 5 (9.09%) Hyper-V
3 5 (9.09%) VMware Infrastructure
4 1 (1.82%) Docker
4 1 (1.82%) KVM
4 1 (1.82%) Virtual Machines
Systems Management
1 9 (16.36%) Backup Exec
2 5 (9.09%) AirWatch
2 5 (9.09%) XenMobile
3 3 (5.45%) Cisco CUCM
3 3 (5.45%) FortiGate
4 1 (1.82%) Ansible
4 1 (1.82%) Nagios
4 1 (1.82%) SCOM
4 1 (1.82%) ZABBIX
Vendors
1 27 (49.09%) Cisco
2 23 (41.82%) Microsoft
3 16 (29.09%) HP
4 13 (23.64%) Juniper
4 13 (23.64%) Palo Alto
5 10 (18.18%) VMware
6 9 (16.36%) Google
6 9 (16.36%) Polycom
6 9 (16.36%) ServiceNow
6 9 (16.36%) Veeam
7 7 (12.73%) CheckPoint
8 5 (9.09%) Acronis
8 5 (9.09%) Bloomberg
8 5 (9.09%) Eze Castle Integration
8 5 (9.09%) F5
8 5 (9.09%) FactSet
8 5 (9.09%) MobileIron
8 5 (9.09%) Reuters
9 4 (7.27%) Alcatel-Lucent
9 4 (7.27%) Fortinet