The table below looks at the statistics for DSL skills in IT jobs advertised for the City of London region. Included is a guide to the salaries offered in IT jobs that have cited DSL over the 3 months to 5 May 2016 with a comparison to the same period over the previous 2 years.

3 months to
5 May 2016
Same period 2015 Same period 2014
Digital Subscriber Line (DSL)
Rank 265 298 331
Rank change year-on-year
+33 +33
Permanent jobs citing DSL 4 13 12
As % of all permanent IT jobs located in the City of London 0.058% 0.12% 0.096%
As % of the Communications & Networking category 0.36% 0.68% 0.61%
Number of salaries quoted 4 13 11
Median salary £57,500 £47,500 £47,500
Median salary % change year-on-year
+21.05% -
UK excluding London median salary £30,500 £39,000 £34,250
% change year-on-year
-21.79% +13.86%
DSL
London

The following table is for comparison with the above and provides statistics for the entire Communications & Networking category in permanent jobs advertised in the City of London region.

Communications & Networking Category
City of London
Permanent IT job ads with a match in the
Communications & Networking category
1114 1901 1957
As % of all permanent IT jobs located in the City of London 16.06% 18.21% 15.60%
Number of salaries quoted 963 1599 1642
Median salary £54,500 £52,500 £51,500
Median salary % change year-on-year
+3.80% +1.94%
90% offered a salary of more than £32,500 £33,000 £32,500
10% offered a salary of more than £75,000 £70,000 £75,000
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year
- +6.25%

DSL
Jobs Demand Trend in the City of London

The demand trend of job ads across the City of London region citing DSL as a proportion of all IT jobs with a match in the Communications & Networking category.

DSL Jobs Demand Trend 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 across the City of London region.

DSL Salary Trend in the City of London

DSL
Top 30 Related IT Skills in the City of London

For the 6 months to 5 May 2016, 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 5 (100.00%) LAN
1 5 (100.00%) WAN
1 5 (100.00%) Cisco
1 5 (100.00%) VPN
1 5 (100.00%) Cisco Certification
1 5 (100.00%) Firewall
1 5 (100.00%) MPLS
2 4 (80.00%) SSCP
2 4 (80.00%) Cisco ASA
2 4 (80.00%) Network Management
2 4 (80.00%) Mentoring
2 4 (80.00%) Cybersecurity
2 4 (80.00%) CISSP
2 4 (80.00%) CheckPoint
2 4 (80.00%) Extranet
2 4 (80.00%) ISDN
2 4 (80.00%) Business Intelligence
2 4 (80.00%) CCIE
2 4 (80.00%) ITIL
3 3 (60.00%) CCNP
4 1 (20.00%) Windows Server 2008
4 1 (20.00%) XenApp
4 1 (20.00%) XenDesktop
4 1 (20.00%) vSphere
4 1 (20.00%) EqualLogic
4 1 (20.00%) IP Telephony
4 1 (20.00%) Cisco IPT
4 1 (20.00%) VPLS
4 1 (20.00%) iSCSI
4 1 (20.00%) VMware Infrastructure

DSL
Top Related 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 1 (20.00%) IIS
1 1 (20.00%) SharePoint
Communications & Networking
1 5 (100.00%) Firewall
1 5 (100.00%) LAN
1 5 (100.00%) MPLS
1 5 (100.00%) VPN
1 5 (100.00%) WAN
2 4 (80.00%) Cisco ASA
2 4 (80.00%) Extranet
2 4 (80.00%) ISDN
3 1 (20.00%) Cisco IPT
3 1 (20.00%) DHCP
3 1 (20.00%) DNS
3 1 (20.00%) Fibre Channel
3 1 (20.00%) IP Telephony
3 1 (20.00%) iSCSI
3 1 (20.00%) NetScaler
3 1 (20.00%) VPLS
Database & Business Intelligence
1 1 (20.00%) SQL Server
1 1 (20.00%) SQL Server 2012
Job Titles
1 5 (100.00%) Network Engineer
2 4 (80.00%) Network Security Engineer
2 4 (80.00%) Security Engineer
3 3 (60.00%) Principal Engineer
3 3 (60.00%) Principal Security Engineer
4 1 (20.00%) Administrator
4 1 (20.00%) CISSP Engineer
4 1 (20.00%) Network Administrator
4 1 (20.00%) Senior Network Engineer
4 1 (20.00%) Senior Network Security Engineer
4 1 (20.00%) Senior Security Engineer
Miscellaneous
1 1 (20.00%) EqualLogic
1 1 (20.00%) Replication
Operating Systems
1 1 (20.00%) Windows
1 1 (20.00%) Windows Server
1 1 (20.00%) Windows Server 2008
1 1 (20.00%) Windows Server 2012
Processes & Methodologies
1 4 (80.00%) Business Intelligence
1 4 (80.00%) Cybersecurity
1 4 (80.00%) ITIL
1 4 (80.00%) Mentoring
1 4 (80.00%) Network Management
2 1 (20.00%) Disaster Recovery
2 1 (20.00%) Email Filtering
2 1 (20.00%) Kalman Filter
2 1 (20.00%) Web Filtering
Programming Languages
1 1 (20.00%) C
Qualifications
1 5 (100.00%) Cisco Certification
2 4 (80.00%) CCIE
2 4 (80.00%) CISSP
2 4 (80.00%) SSCP
3 3 (60.00%) CCNP
4 1 (20.00%) CCNA
4 1 (20.00%) MCSA
4 1 (20.00%) MCSE
4 1 (20.00%) Microsoft Certification
System Software
1 1 (20.00%) Active Directory
1 1 (20.00%) VMware Infrastructure
1 1 (20.00%) vSphere
1 1 (20.00%) XenApp
1 1 (20.00%) XenDesktop
Vendors
1 5 (100.00%) Cisco
2 4 (80.00%) CheckPoint
3 1 (20.00%) Citrix
3 1 (20.00%) Dell
3 1 (20.00%) EMC
3 1 (20.00%) VMware