The table below looks at the statistics for SDH 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 SDH over the 3 months to 30 May 2016 with a comparison to the same period over the previous 2 years.

3 months to
30 May 2016
Same period 2015 Same period 2014
Synchronous Digital Hierarchy (SDH)
Rank - 311 362
Permanent jobs citing SDH 0 1 4
As % of all permanent IT jobs located in the City of London - 0.010% 0.031%
As % of the Communications & Networking category - 0.061% 0.20%
Number of salaries quoted 0 1 2
Median salary - £40,000 £57,250
Median salary % change year-on-year
- -30.13%
UK excluding London median salary £50,000 £36,035 £39,500
% change year-on-year
+38.75% -8.77%
SDH
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
1060 1645 2032
As % of all permanent IT jobs located in the City of London 16.30% 16.26% 15.57%
Number of salaries quoted 920 1414 1720
Median salary £55,000 £52,500 £52,500
Median salary % change year-on-year
+4.76% -
90% offered a salary of more than £32,500 £32,500 £32,500
10% offered a salary of more than £72,500 £72,500 £75,000
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year
- +6.25%

SDH
Jobs Demand Trend in the City of London

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

SDH Jobs Demand Trend in the City of London

SDH
Salary Trend in the City of London

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

SDH Salary Trend in the City of London

SDH
Top 11 Related IT Skills in the City of London

For the 6 months to 30 May 2016, IT jobs citing SDH 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 SDH.

1 2 (100.00%) Megaco
1 2 (100.00%) VoIP
1 2 (100.00%) H.323
1 2 (100.00%) Huawei
2 1 (50.00%) SIGTRAN
2 1 (50.00%) Telecoms
2 1 (50.00%) Ericsson
2 1 (50.00%) SS7
2 1 (50.00%) TCAP
2 1 (50.00%) INAP
2 1 (50.00%) Q.931

SDH
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:

Communications & Networking
1 2 (100.00%) H.323
1 2 (100.00%) Megaco
1 2 (100.00%) VoIP
2 1 (50.00%) INAP
2 1 (50.00%) Q.931
2 1 (50.00%) SIGTRAN
2 1 (50.00%) SS7
2 1 (50.00%) TCAP
General
1 1 (50.00%) Telecoms
Job Titles
1 2 (100.00%) Switch Engineer
2 1 (50.00%) Provisioning Engineer
2 1 (50.00%) Transmission Engineer
Vendors
1 2 (100.00%) Huawei
2 1 (50.00%) Ericsson