The following table provides summary statistics for contract job vacancies advertised in London with a requirement for SDH skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited SDH over the 3 months to 30 March 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Synchronous Digital Hierarchy (SDH)
England / London
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 397 - 412
Rank change year-on-year - 0  
Contract jobs citing SDH 3 0 8
As % of all contract IT jobs advertised in London 0.015% - 0.037%
As % of the Communications & Networking category 0.12% - 0.27%
Number of daily rates quoted 0 0 1
Median daily rate - - £260
UK excluding London median daily rate £279 £363 £295
% change year-on-year -23.10% +22.88%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

SDH is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for communications and computer networking skills.

Contract Communications & Computer Network Skills
London
Contract job vacancies with a requirement for communications and computer networking skills 2438 2875 2910
As % of all contract IT job vacancies advertised in London 12.37% 12.74% 13.58%
Number of daily rates quoted 1617 1951 1872
Median daily rate £445 £425 £390
Median daily rate % change year-on-year +4.70% +8.97%  
90% offered a daily rate of more than £275 £250 £225
10% offered a daily rate of more than £575 £560 £550
UK excluding London median daily rate £375 £363 £347
% change year-on-year +3.44% +4.32%  
Number of hourly rates quoted 63 56 85
Median hourly rate £40.00 £21.34 £20.00
Median hourly rate % change year-on-year +87.44% +6.70%  
90% offered a hourly rate of more than £17.20 £12.88 £13.48
10% offered a hourly rate of more than £50.00 £40.25 £50.00
UK excluding London median hourly rate £22.50 £37.00 £29.50
% change year-on-year -39.18% +25.42%  

SDH
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing SDH as a proportion of all contract or permanent IT jobs with a match in the Communications & Networking category.

Job vacancy trend for SDH in London

SDH
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing SDH in London.

Contractor daily rate trend for SDH in London

SDH
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing SDH in London.

Contractor hourly rate trend for SDH in London

For the 6 months to 30 March 2017, IT contractor jobs citing SDH also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for SDH.

1 6 (75.00%) Telecoms
2 5 (62.50%) DWDM
3 4 (50.00%) Huawei
3 4 (50.00%) Ciena
4 3 (37.50%) TCP/IP
5 2 (25.00%) ATM
5 2 (25.00%) CAD
5 2 (25.00%) GIS
5 2 (25.00%) Geospatial Data
5 2 (25.00%) Analytical Skills
5 2 (25.00%) 3G
5 2 (25.00%) 4G
5 2 (25.00%) 2G
6 1 (12.50%) WEP
6 1 (12.50%) WPA
6 1 (12.50%) VLAN
6 1 (12.50%) Load Balancing
6 1 (12.50%) Cisco IOS
6 1 (12.50%) Cisco ASA
6 1 (12.50%) SSH
6 1 (12.50%) Network Design
6 1 (12.50%) Network Planning
6 1 (12.50%) JNCIP
6 1 (12.50%) JNCIE
6 1 (12.50%) RSA SecurID
6 1 (12.50%) Strategic Planning
6 1 (12.50%) FWSM
6 1 (12.50%) HSRP
6 1 (12.50%) 802.11
6 1 (12.50%) SONET

SDH
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:

Applications
1 1 (12.50%) MS Excel
1 1 (12.50%) MS Office
Communications & Networking
1 5 (62.50%) DWDM
2 3 (37.50%) TCP/IP
3 2 (25.00%) 2G
3 2 (25.00%) 3G
3 2 (25.00%) 4G
3 2 (25.00%) ATM
4 1 (12.50%) 802.11
4 1 (12.50%) Cisco ASA
4 1 (12.50%) Cisco IOS
4 1 (12.50%) Fibre Channel
4 1 (12.50%) FWSM
4 1 (12.50%) HSRP
4 1 (12.50%) Junos
4 1 (12.50%) SONET
4 1 (12.50%) Spanning Tree
4 1 (12.50%) SSH
4 1 (12.50%) VLAN
4 1 (12.50%) WAAS
4 1 (12.50%) WEP
4 1 (12.50%) WPA
Database & Business Intelligence
1 2 (25.00%) Geospatial Data
1 2 (25.00%) GIS
General
1 6 (75.00%) Telecoms
Job Titles
1 4 (50.00%) Design Engineer
1 4 (50.00%) Optical Engineer
2 2 (25.00%) Transmission Planner
3 1 (12.50%) Cisco Engineer
3 1 (12.50%) Cisco Network Engineer
3 1 (12.50%) Consultant
3 1 (12.50%) Network Engineer
Libraries, Frameworks & Software Standards
1 1 (12.50%) 802.1X
Miscellaneous
1 2 (25.00%) Analytical Skills
2 1 (12.50%) RSA SecurID
Operating Systems
1 1 (12.50%) Linux
1 1 (12.50%) Mac OS X
1 1 (12.50%) Unix
Processes & Methodologies
1 2 (25.00%) CAD
2 1 (12.50%) Customer Requirements
2 1 (12.50%) Load Balancing
2 1 (12.50%) Network Architecture
2 1 (12.50%) Network Design
2 1 (12.50%) Network Planning
2 1 (12.50%) Project Management
2 1 (12.50%) Strategic Planning
Qualifications
1 1 (12.50%) CCIE
1 1 (12.50%) CCNA
1 1 (12.50%) CCNP
1 1 (12.50%) Cisco Certification
1 1 (12.50%) CISSP
1 1 (12.50%) JNCIE
1 1 (12.50%) JNCIP
Vendors
1 4 (50.00%) Ciena
1 4 (50.00%) Huawei
2 1 (12.50%) Arista
2 1 (12.50%) Cisco
2 1 (12.50%) Juniper
2 1 (12.50%) Nokia
2 1 (12.50%) Palo Alto