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

Digital Subscriber Line (DSL)
England > London
6 months to
20 Jan 2018
Same period 2017 Same period 2016
Rank 734 773 863
Rank change year-on-year +39 +90 -93
Permanent jobs citing DSL 89 52 36
As % of all permanent IT jobs advertised in London 0.13% 0.073% 0.042%
As % of the Communications & Networking category 0.90% 0.47% 0.27%
Number of salaries quoted 69 39 30
London median annual salary £41,000 £40,000 £32,500
Median salary % change year-on-year +2.50% +23.08% -7.14%
10th Percentile £24,750 £24,000 £23,250
90th Percentile £63,000 £110,000 £59,000
England median annual salary £40,000 £40,000 £32,313
% change year-on-year - +23.79% -7.68%

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 9,907 11,124 13,485
As % of all permanent IT jobs advertised in London 14.17% 15.72% 15.84%
Number of salaries quoted 8,290 9,470 11,423
London median annual salary £55,000 £54,000 £50,000
Median salary % change year-on-year +1.85% +8.00% +4.17%
10th Percentile £31,250 £30,000 £27,500
90th Percentile £80,000 £81,250 £80,000
England median annual salary £45,000 £45,000 £45,000

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 January 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 January 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 +41 26 £40,500 +4.52% 2
Central London -24 11 £40,000 +60.00% 1
DSL
England

For the 6 months to 20 January 2018, IT jobs citing DSL also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for DSL.

1 65 (73.03%) VPN
2 62 (69.66%) Cisco
3 58 (65.17%) Firewall
4 54 (60.67%) MPLS
5 40 (44.94%) Windows
6 36 (40.45%) DNS
7 35 (39.33%) Active Directory
8 34 (38.20%) Windows Server
9 33 (37.08%) Cisco Certification
10 31 (34.83%) ADSL
11 27 (30.34%) TCP/IP
11 27 (30.34%) Cisco ASA
12 26 (29.21%) Microsoft
12 26 (29.21%) DHCP
12 26 (29.21%) Ethernet
13 25 (28.09%) CCNP
14 23 (25.84%) Juniper
15 22 (24.72%) Internet
15 22 (24.72%) LAN
16 21 (23.60%) Wireshark
17 20 (22.47%) CheckPoint
18 19 (21.35%) VoIP
18 19 (21.35%) VMware
18 19 (21.35%) tcpdump
18 19 (21.35%) Network Monitoring
18 19 (21.35%) Windows 10
19 18 (20.22%) OSPF
19 18 (20.22%) BGP
19 18 (20.22%) SDH
19 18 (20.22%) CCNA

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 16 (17.98%) Skype for Business
2 13 (14.61%) MS Exchange
3 12 (13.48%) Exchange Server 2013
4 9 (10.11%) IIS
5 3 (3.37%) Exchange Server 2007
5 3 (3.37%) Exchange Server 2010
5 3 (3.37%) SharePoint
5 3 (3.37%) SharePoint Server
6 2 (2.25%) IBM HTTP Server
7 1 (1.12%) Elasticsearch
7 1 (1.12%) nginx
Applications
1 14 (15.73%) Microsoft Office
Cloud Services
1 17 (19.10%) Office 365
2 12 (13.48%) G Suite
3 10 (11.24%) Amazon AWS
3 10 (11.24%) Microsoft Azure
4 1 (1.12%) IaaS
4 1 (1.12%) SaaS
Communications & Networking
1 65 (73.03%) VPN
2 58 (65.17%) Firewall
3 54 (60.67%) MPLS
4 36 (40.45%) DNS
5 31 (34.83%) ADSL
6 27 (30.34%) Cisco ASA
6 27 (30.34%) TCP/IP
7 26 (29.21%) DHCP
7 26 (29.21%) Ethernet
8 22 (24.72%) Internet
8 22 (24.72%) LAN
9 21 (23.60%) Wireshark
10 19 (21.35%) tcpdump
10 19 (21.35%) VoIP
11 18 (20.22%) BGP
11 18 (20.22%) OSPF
11 18 (20.22%) SDH
12 16 (17.98%) SAN
12 16 (17.98%) WAN
13 14 (15.73%) GPRS
Database & Business Intelligence
1 2 (2.25%) Big Data
2 1 (1.12%) SQL Server
Development Applications
1 1 (1.12%) Babel
1 1 (1.12%) Jenkins
1 1 (1.12%) JMeter
1 1 (1.12%) Selenium
1 1 (1.12%) Vagrant
General
1 11 (12.36%) Finance
2 8 (8.99%) Banking
3 7 (7.87%) Games
3 7 (7.87%) Spanish Language
3 7 (7.87%) Telecoms
4 4 (4.49%) Dutch Language
4 4 (4.49%) French Language
5 2 (2.25%) Investment Banking
5 2 (2.25%) Legal
Job Titles
1 34 (38.20%) Network Engineer
2 16 (17.98%) Support Engineer
3 13 (14.61%) Analyst
4 12 (13.48%) Customer Engineer
4 12 (13.48%) Customer Support Engineer
4 12 (13.48%) Help Desk Engineer
4 12 (13.48%) Help Desk Support
4 12 (13.48%) Help Desk Support Engineer
5 11 (12.36%) Infrastructure Analyst
5 11 (12.36%) Programmer
6 10 (11.24%) 3rd Line Engineer
6 10 (11.24%) Infrastructure Engineer
7 9 (10.11%) Developer
7 9 (10.11%) F# Developer
7 9 (10.11%) Network Analyst
7 9 (10.11%) Network Infrastructure Analyst
7 9 (10.11%) Network Security Analyst
7 9 (10.11%) Scala Developer
7 9 (10.11%) Security Analyst
8 8 (8.99%) Cisco Engineer
Libraries, Frameworks & Software Standards
1 7 (7.87%) 802.1X
1 7 (7.87%) LDAP
2 2 (2.25%) Scalaz
3 1 (1.12%) Enzyme
3 1 (1.12%) HTML
3 1 (1.12%) Jest
3 1 (1.12%) JSON
3 1 (1.12%) Nightwatchjs
3 1 (1.12%) Ramda
3 1 (1.12%) Redux
3 1 (1.12%) Twitter Bootstrap
3 1 (1.12%) YAML
Miscellaneous
1 16 (17.98%) Analytical Skills
2 11 (12.36%) Fintech
3 9 (10.11%) Data Centre
3 9 (10.11%) Greenfield Project
4 5 (5.62%) Replication
5 4 (4.49%) Blackberry
6 3 (3.37%) Computer Science
6 3 (3.37%) EPoS
6 3 (3.37%) iPhone
6 3 (3.37%) User Experience
7 2 (2.25%) Management Information System
8 1 (1.12%) Freedom of Information
8 1 (1.12%) Hedge funds
8 1 (1.12%) PKI
8 1 (1.12%) Wiki
Operating Systems
1 40 (44.94%) Windows
2 34 (38.20%) Windows Server
3 19 (21.35%) Windows 10
4 15 (16.85%) Windows Server 2003
4 15 (16.85%) Windows XP
5 12 (13.48%) Linux
6 9 (10.11%) Windows Server 2012
7 8 (8.99%) Windows 7
8 7 (7.87%) Windows Server 2008
9 5 (5.62%) Windows 8
10 3 (3.37%) Windows Phone
11 1 (1.12%) Android
11 1 (1.12%) Apple iOS
11 1 (1.12%) Unix
11 1 (1.12%) Windows Mobile
Processes & Methodologies
1 19 (21.35%) Network Monitoring
2 11 (12.36%) Functional Programming
3 10 (11.24%) Translating Business Requirements
4 9 (10.11%) Analytics
4 9 (10.11%) ITIL
4 9 (10.11%) Kalman Filter
5 6 (6.74%) Coaching
5 6 (6.74%) Configuration Management
5 6 (6.74%) Fault Management
5 6 (6.74%) Proactive Management
5 6 (6.74%) Problem Management
5 6 (6.74%) Root Cause Analysis
6 5 (5.62%) Disaster Recovery
6 5 (5.62%) Penetration Testing
7 4 (4.49%) Mathematics
7 4 (4.49%) Network Management
8 3 (3.37%) Hardware Maintenance
8 3 (3.37%) Information Security
9 2 (2.25%) Asset Management
9 2 (2.25%) Change Management
Programming Languages
1 17 (19.10%) Python
2 11 (12.36%) F#
2 11 (12.36%) Haskell
2 11 (12.36%) OCaml
2 11 (12.36%) Scala
3 9 (10.11%) Java
4 6 (6.74%) Bash Shell
4 6 (6.74%) PHP
5 3 (3.37%) VB
5 3 (3.37%) VBA
6 2 (2.25%) ML
7 1 (1.12%) ES6
7 1 (1.12%) JavaScript
7 1 (1.12%) SQL
Qualifications
1 33 (37.08%) Cisco Certification
2 25 (28.09%) CCNP
3 18 (20.22%) CCNA
4 15 (16.85%) Degree
5 12 (13.48%) PhD
6 11 (12.36%) CCSA
7 10 (11.24%) CCSE
7 10 (11.24%) Check Point Certification
7 10 (11.24%) JNCIS
8 8 (8.99%) CCIE
8 8 (8.99%) JNCIP
9 5 (5.62%) Microsoft Certification
9 5 (5.62%) SANS
10 4 (4.49%) MCSE
11 3 (3.37%) A+ Certification
12 2 (2.25%) MCITP
13 1 (1.12%) HNC
13 1 (1.12%) MCP
13 1 (1.12%) MCSA
13 1 (1.12%) VCP4
Quality Assurance & Compliance
1 3 (3.37%) SLA
System Software
1 35 (39.33%) Active Directory
2 13 (14.61%) vSphere
3 7 (7.87%) XenServer
4 6 (6.74%) KVM
4 6 (6.74%) Virtual Machines
5 5 (5.62%) Firmware
6 3 (3.37%) VMware Infrastructure
7 1 (1.12%) Docker
7 1 (1.12%) Hyper-V
Systems Management
1 15 (16.85%) Backup Exec
2 10 (11.24%) XenMobile
3 7 (7.87%) Cisco CUCM
3 7 (7.87%) FortiGate
3 7 (7.87%) ZABBIX
4 6 (6.74%) Ansible
4 6 (6.74%) Nagios
5 4 (4.49%) SCCM
5 4 (4.49%) SCOM
6 3 (3.37%) NetBackup
6 3 (3.37%) SolarWinds Orion
7 2 (2.25%) WMI
8 1 (1.12%) AirWatch
8 1 (1.12%) Cisco Prime
8 1 (1.12%) Kibana
8 1 (1.12%) Puppet
Vendors
1 62 (69.66%) Cisco
2 26 (29.21%) Microsoft
3 23 (25.84%) Juniper
4 20 (22.47%) CheckPoint
5 19 (21.35%) VMware
6 18 (20.22%) HP
7 17 (19.10%) F5
7 17 (19.10%) Veeam
8 16 (17.98%) Citrix
9 13 (14.61%) Palo Alto
10 12 (13.48%) Google
11 7 (7.87%) IronPort
11 7 (7.87%) Sourcefire
12 5 (5.62%) Dell
12 5 (5.62%) Dell Compellent
12 5 (5.62%) Dell KACE
12 5 (5.62%) EqualLogic
13 3 (3.37%) Avaya
13 3 (3.37%) Hitachi
13 3 (3.37%) SolarWinds