Period
to 22 April 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 22 April 2018 with a comparison to the same period in the previous 2 years.

Digital Subscriber Line (DSL)
England > London
6 months to
22 Apr 2018
Same period 2017 Same period 2016
Rank 748 752 853
Rank change year-on-year +4 +101 -78
Permanent jobs citing DSL 79 68 47
As % of all permanent IT jobs advertised in London 0.11% 0.099% 0.056%
As % of the Communications & Networking category 0.79% 0.63% 0.36%
Number of salaries quoted 39 51 47
London median annual salary £42,500 £40,000 £50,000
Median salary % change year-on-year +6.25% -20.00% +66.67%
10th Percentile £24,750 £24,000 £27,750
90th Percentile £62,000 £60,000 £60,000
England median annual salary £39,000 £40,000 £32,500
% change year-on-year -2.50% +23.08% -9.72%

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 10,028 10,837 13,196
As % of all permanent IT jobs advertised in London 14.33% 15.80% 15.72%
Number of salaries quoted 8,314 9,152 11,203
London median annual salary £55,000 £55,000 £52,500
Median salary % change year-on-year - +4.76% +5.00%
10th Percentile £31,050 £30,000 £28,750
90th Percentile £83,750 £80,500 £77,500
England median annual salary £47,000 £45,000 £45,000
% change year-on-year +4.44% - +4.65%

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 22 April 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 22 April 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 +34 26 £57,500 +53.33%
Central London -50 12 £26,500 +6.00% 2
North London - 1 £29,500 -
DSL
England

For the 6 months to 22 April 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 42 (53.16%) VPN
1 42 (53.16%) Firewall
2 40 (50.63%) Cisco
3 36 (45.57%) MPLS
4 31 (39.24%) Degree
5 30 (37.97%) Python
6 29 (36.71%) Active Directory
6 29 (36.71%) Cisco Certification
7 26 (32.91%) Microsoft
7 26 (32.91%) Cisco ASA
8 25 (31.65%) Scala
8 25 (31.65%) Ethernet
9 24 (30.38%) OCaml
9 24 (30.38%) F#
9 24 (30.38%) Haskell
9 24 (30.38%) Functional Programming
9 24 (30.38%) Fintech
10 23 (29.11%) ADSL
10 23 (29.11%) Java
11 22 (27.85%) Greenfield Project
11 22 (27.85%) Analytics
12 21 (26.58%) GPRS
12 21 (26.58%) TCP/IP
13 20 (25.32%) Windows
13 20 (25.32%) CCNP
13 20 (25.32%) Juniper
14 19 (24.05%) Problem-Solving
15 18 (22.78%) HP
15 18 (22.78%) VMware
15 18 (22.78%) Network Monitoring

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 7 (8.86%) MS Exchange
2 5 (6.33%) Exchange Server 2013
3 4 (5.06%) Exchange Server 2007
3 4 (5.06%) Exchange Server 2010
4 2 (2.53%) IBM HTTP Server
5 1 (1.27%) Confluence
5 1 (1.27%) IIS
5 1 (1.27%) Skype for Business
Applications
1 12 (15.19%) Microsoft Office
Cloud Services
1 15 (18.99%) Office 365
2 7 (8.86%) Amazon AWS
3 6 (7.59%) IaaS
3 6 (7.59%) SaaS
4 5 (6.33%) G Suite
5 1 (1.27%) Microsoft Azure
Communications & Networking
1 42 (53.16%) Firewall
1 42 (53.16%) VPN
2 36 (45.57%) MPLS
3 26 (32.91%) Cisco ASA
4 25 (31.65%) Ethernet
5 23 (29.11%) ADSL
6 21 (26.58%) GPRS
6 21 (26.58%) TCP/IP
7 17 (21.52%) 3G
7 17 (21.52%) LAN
8 16 (20.25%) tcpdump
8 16 (20.25%) Wireshark
9 15 (18.99%) DHCP
9 15 (18.99%) DNS
9 15 (18.99%) SDH
10 13 (16.46%) 802.11
10 13 (16.46%) VoIP
10 13 (16.46%) Wireless
11 11 (13.92%) WAN
11 11 (13.92%) Wi-Fi
Database & Business Intelligence
1 2 (2.53%) Big Data
2 1 (1.27%) CouchDB
2 1 (1.27%) NoSQL
Development Applications
1 1 (1.27%) Ant
1 1 (1.27%) Git (software)
1 1 (1.27%) Gradle
1 1 (1.27%) Jenkins
1 1 (1.27%) JIRA
1 1 (1.27%) Maven
1 1 (1.27%) Selenium
General
1 13 (16.46%) Games
2 8 (10.13%) Finance
2 8 (10.13%) Telecoms
3 3 (3.80%) Banking
4 2 (2.53%) Legal
5 1 (1.27%) Marketing
Job Titles
1 33 (41.77%) Network Engineer
2 24 (30.38%) Haskell Programmer
2 24 (30.38%) OCaml Programmer
2 24 (30.38%) Programmer
3 23 (29.11%) Developer
4 22 (27.85%) F# Developer
4 22 (27.85%) Haskell Developer
4 22 (27.85%) OCaml Developer
4 22 (27.85%) Scala Developer
5 10 (12.66%) Support Engineer
6 9 (11.39%) 3rd Line Engineer
6 9 (11.39%) Field Engineer
7 8 (10.13%) 3rd Line Network Engineer
7 8 (10.13%) Cisco Engineer
7 8 (10.13%) Cisco Network Engineer
7 8 (10.13%) Field Service Engineer
8 7 (8.86%) Lead Network Engineer
8 7 (8.86%) Technical Leader
9 5 (6.33%) Customer Support Engineer
9 5 (6.33%) Help Desk Support Engineer
Libraries, Frameworks & Software Standards
1 13 (16.46%) 802.1X
2 8 (10.13%) LDAP
3 4 (5.06%) Scalaz
4 2 (2.53%) Lambda Expressions
5 1 (1.27%) AngularJS
5 1 (1.27%) CSS
5 1 (1.27%) CSS3
5 1 (1.27%) Flask
5 1 (1.27%) HTML
5 1 (1.27%) HTML5
5 1 (1.27%) JMS
5 1 (1.27%) JSON
5 1 (1.27%) React
5 1 (1.27%) REST
5 1 (1.27%) RESTful
5 1 (1.27%) Spring
5 1 (1.27%) Spring Boot
5 1 (1.27%) Spring MVC
5 1 (1.27%) Web Services
Miscellaneous
1 24 (30.38%) Fintech
2 22 (27.85%) Greenfield Project
3 15 (18.99%) Analytical Skills
4 12 (15.19%) Data Centre
5 11 (13.92%) Self-Motivation
6 10 (12.66%) Blackberry
7 7 (8.86%) Computer Science
8 6 (7.59%) Hedge funds
8 6 (7.59%) Wiki
9 5 (6.33%) iPhone
10 4 (5.06%) EPoS
11 1 (1.27%) Freedom of Information
11 1 (1.27%) Management Information System
11 1 (1.27%) Mobile Banking
11 1 (1.27%) Replication
Operating Systems
1 20 (25.32%) Windows
2 16 (20.25%) Windows 10
3 13 (16.46%) Windows 7
4 12 (15.19%) Windows Server
5 11 (13.92%) Windows 8
6 9 (11.39%) Windows XP
7 8 (10.13%) Linux
8 7 (8.86%) Android
8 7 (8.86%) Windows Server 2008
9 6 (7.59%) Apple iOS
9 6 (7.59%) Windows Mobile
9 6 (7.59%) Windows Server 2003
9 6 (7.59%) Windows Server 2012
10 4 (5.06%) Windows Phone
Processes & Methodologies
1 24 (30.38%) Functional Programming
2 22 (27.85%) Analytics
3 19 (24.05%) Problem-Solving
4 18 (22.78%) Network Monitoring
5 10 (12.66%) ITIL
6 8 (10.13%) Configuration Management
7 7 (8.86%) Coaching
7 7 (8.86%) Continuous Improvement
7 7 (8.86%) Decision-Making
7 7 (8.86%) Fault Management
7 7 (8.86%) Proactive Management
7 7 (8.86%) Problem Management
7 7 (8.86%) Root Cause Analysis
8 5 (6.33%) Kalman Filter
9 4 (5.06%) Hardware Maintenance
9 4 (5.06%) Mathematics
10 2 (2.53%) Network Planning
11 1 (1.27%) Document Management
11 1 (1.27%) Facilities Management
11 1 (1.27%) Penetration Testing
Programming Languages
1 30 (37.97%) Python
2 25 (31.65%) Scala
3 24 (30.38%) F#
3 24 (30.38%) Haskell
3 24 (30.38%) OCaml
4 23 (29.11%) Java
5 7 (8.86%) Bash Shell
5 7 (8.86%) PHP
6 3 (3.80%) Java 8
7 2 (2.53%) ML
8 1 (1.27%) JavaScript
Qualifications
1 31 (39.24%) Degree
2 29 (36.71%) Cisco Certification
3 20 (25.32%) CCNP
4 14 (17.72%) CCNA
5 10 (12.66%) Microsoft Certification
6 8 (10.13%) CCIE
7 7 (8.86%) JNCIP
7 7 (8.86%) MCITP
8 6 (7.59%) MCP
9 5 (6.33%) PhD
10 4 (5.06%) CCSA
10 4 (5.06%) MCSA
11 2 (2.53%) CCSP
11 2 (2.53%) HP APS
12 1 (1.27%) HNC
12 1 (1.27%) HND
12 1 (1.27%) MCSE
12 1 (1.27%) SANS
12 1 (1.27%) VCP4
Quality Assurance & Compliance
1 2 (2.53%) SLA
2 1 (1.27%) GDPR
System Software
1 29 (36.71%) Active Directory
2 8 (10.13%) vSphere
3 7 (8.86%) KVM
3 7 (8.86%) Virtual Machines
4 6 (7.59%) Hyper-V
4 6 (7.59%) VMware Infrastructure
5 1 (1.27%) Docker
5 1 (1.27%) Firmware
Systems Management
1 8 (10.13%) Cisco CUCM
1 8 (10.13%) FortiGate
2 7 (8.86%) Ansible
2 7 (8.86%) Nagios
2 7 (8.86%) ZABBIX
3 6 (7.59%) AirWatch
3 6 (7.59%) Backup Exec
3 6 (7.59%) XenMobile
4 2 (2.53%) SCCM
5 1 (1.27%) NetBackup
Vendors
1 40 (50.63%) Cisco
2 26 (32.91%) Microsoft
3 20 (25.32%) Juniper
4 18 (22.78%) HP
4 18 (22.78%) VMware
5 14 (17.72%) CheckPoint
6 11 (13.92%) F5
7 8 (10.13%) Bloomberg
7 8 (10.13%) IronPort
8 6 (7.59%) Acronis
8 6 (7.59%) Eze Castle Integration
8 6 (7.59%) FactSet
8 6 (7.59%) MobileIron
8 6 (7.59%) Reuters
8 6 (7.59%) Veeam
9 5 (6.33%) Google
9 5 (6.33%) Palo Alto
10 4 (5.06%) Avaya
11 2 (2.53%) Nokia
11 2 (2.53%) Palantir