Period
to 23 November 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 23 November 2017 with a comparison to the same period in the previous 2 years.

Digital Subscriber Line (DSL)
Central London > City of London
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 313 336 393
Rank change year-on-year +23 +57 +39
Permanent jobs citing DSL 8 12 15
As % of all permanent IT jobs advertised in the City of London 0.078% 0.10% 0.088%
As % of the Communications & Networking category 0.53% 0.67% 0.62%
Number of salaries quoted 8 12 14
City of London median annual salary £41,000 £62,500 £38,750
Median salary % change year-on-year -34.40% +61.29% +76.14%
10th Percentile £35,775 £24,000 £30,300
90th Percentile £42,525 £76,750 £61,250
Central London median annual salary £42,250 £62,500 £38,750
% change year-on-year -32.40% +61.29% +76.14%

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 the City of London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
City of London
Permanent vacancies with a requirement for communications or computer networking skills 1501 1783 2430
As % of all permanent IT jobs advertised in the City of London 14.68% 15.31% 14.30%
Number of salaries quoted 1345 1562 2085
City of London median annual salary £52,500 £55,000 £52,500
Median salary % change year-on-year -4.55% +4.76% +7.14%
10th Percentile £31,250 £30,750 £27,500
90th Percentile £80,000 £78,750 £78,750
Central London median annual salary £51,000 £52,500 £50,000
% change year-on-year -2.86% +5.00% +2.04%

DSL
Job Vacancy Trend in the City of London

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

Job vacancy trend for DSL in the City of London

DSL
Salary Trend in the City of London

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

Salary trend for DSL in the City of London

DSL
Salary Histogram in the City of London

The salary distribution of IT jobs citing DSL in the City of London over the 6 months to 23 November 2017.

Salary histogram for DSL in the City of London

For the 6 months to 23 November 2017, 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 City of London region with a requirement for DSL.

1 8 (100.00%) Windows
1 8 (100.00%) DHCP
1 8 (100.00%) VPN
1 8 (100.00%) DNS
1 8 (100.00%) Active Directory
2 7 (87.50%) WAN
2 7 (87.50%) Citrix
2 7 (87.50%) Microsoft Azure
2 7 (87.50%) Amazon AWS
2 7 (87.50%) vSphere
2 7 (87.50%) Office 365
2 7 (87.50%) Exchange Server 2013
2 7 (87.50%) Skype
2 7 (87.50%) Skype for Business
2 7 (87.50%) Windows Server
2 7 (87.50%) FTP
2 7 (87.50%) IIS
2 7 (87.50%) MS Exchange
2 7 (87.50%) Internet
2 7 (87.50%) MPLS
2 7 (87.50%) VMware
3 6 (75.00%) Dutch Language
3 6 (75.00%) French Language
3 6 (75.00%) Spanish Language
4 2 (25.00%) Veeam
4 2 (25.00%) TCP/IP
4 2 (25.00%) Cisco
5 1 (12.50%) Microsoft
5 1 (12.50%) Microsoft Office
5 1 (12.50%) ADSL

DSL
Co-occurring IT Skills in the City of 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 (87.50%) Exchange Server 2013
1 7 (87.50%) IIS
1 7 (87.50%) MS Exchange
1 7 (87.50%) Skype for Business
Applications
1 1 (12.50%) Microsoft Office
Cloud Services
1 7 (87.50%) Amazon AWS
1 7 (87.50%) Microsoft Azure
1 7 (87.50%) Office 365
2 1 (12.50%) G Suite
Communications & Networking
1 8 (100.00%) DHCP
1 8 (100.00%) DNS
1 8 (100.00%) VPN
2 7 (87.50%) FTP
2 7 (87.50%) Internet
2 7 (87.50%) MPLS
2 7 (87.50%) Skype
2 7 (87.50%) WAN
3 2 (25.00%) TCP/IP
4 1 (12.50%) ADSL
4 1 (12.50%) Cisco ASA
4 1 (12.50%) Firewall
4 1 (12.50%) LAN
4 1 (12.50%) SAN
4 1 (12.50%) VoIP
General
1 6 (75.00%) Dutch Language
1 6 (75.00%) French Language
1 6 (75.00%) Spanish Language
2 1 (12.50%) Legal
Job Titles
1 6 (75.00%) Infrastructure Engineer
2 2 (25.00%) Exchange Engineer
2 2 (25.00%) VMware Engineer
3 1 (12.50%) Analyst
3 1 (12.50%) Customer Engineer
3 1 (12.50%) Customer Support Engineer
3 1 (12.50%) Help Desk Engineer
3 1 (12.50%) Help Desk Support
3 1 (12.50%) Help Desk Support Engineer
3 1 (12.50%) Infrastructure Analyst
3 1 (12.50%) Support Engineer
Miscellaneous
1 1 (12.50%) Analytical Skills
1 1 (12.50%) Replication
Operating Systems
1 8 (100.00%) Windows
2 7 (87.50%) Windows Server
3 1 (12.50%) Linux
3 1 (12.50%) Windows 10
3 1 (12.50%) Windows Server 2003
3 1 (12.50%) Windows XP
Processes & Methodologies
1 1 (12.50%) Disaster Recovery
1 1 (12.50%) Document Management
1 1 (12.50%) Kalman Filter
1 1 (12.50%) Penetration Testing
Qualifications
1 1 (12.50%) PhD
1 1 (12.50%) SANS
System Software
1 8 (100.00%) Active Directory
2 7 (87.50%) vSphere
3 1 (12.50%) Firmware
Systems Management
1 1 (12.50%) Backup Exec
1 1 (12.50%) SCCM
Vendors
1 7 (87.50%) Citrix
1 7 (87.50%) VMware
2 2 (25.00%) Cisco
2 2 (25.00%) Veeam
3 1 (12.50%) Dell
3 1 (12.50%) Dell Compellent
3 1 (12.50%) Dell KACE
3 1 (12.50%) EqualLogic
3 1 (12.50%) Google
3 1 (12.50%) HP
3 1 (12.50%) Microsoft
3 1 (12.50%) Palo Alto