Period
to 24 November 2017

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for SDH skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited SDH over the 6 months to 24 November 2017 with a comparison to the same period in the previous 2 years.

Synchronous Digital Hierarchy (SDH)
England > London
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 786 772 868
Rank change year-on-year -14 +96 +20
Permanent jobs citing SDH 52 70 49
As % of all permanent IT jobs advertised in London 0.069% 0.092% 0.055%
As % of the Communications & Networking category 0.48% 0.58% 0.35%
Number of salaries quoted 37 66 36
London median annual salary £46,000 £57,500 £41,250
Median salary % change year-on-year -20.00% +39.39% -17.50%
10th Percentile £36,250 £36,250 £31,250
90th Percentile £68,000 £146,250 £58,750
England median annual salary £44,000 £52,500 £42,500
% change year-on-year -16.19% +23.53% -1.16%

SDH 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 10846 12041 14180
As % of all permanent IT jobs advertised in London 14.46% 15.88% 15.90%
Number of salaries quoted 8859 10276 12015
London median annual salary £54,000 £53,500 £50,000
Median salary % change year-on-year +0.93% +7.00% -
10th Percentile £30,500 £30,000 £27,500
90th Percentile £80,000 £80,000 £78,750
England median annual salary £45,000 £45,000 £45,000

SDH
Job Vacancy Trend in London

Job postings citing SDH as a percentage of all IT jobs advertised in London.

Job vacancy trend for SDH in London

SDH
Salary Trend in London

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

Salary trend for SDH in London

SDH
Salary Histogram in London

The salary distribution of IT jobs citing SDH in London over the 6 months to 24 November 2017.

Salary histogram for SDH in London

SDH
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing SDH within the London region over the 6 months to 24 November 2017. 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 +6 12 £40,000 -23.81% 1
East London +3 3 £46,000 -29.23%
Central London +18 1 £43,000 +3.61%
SDH
England

For the 6 months to 24 November 2017, 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 London region with a requirement for SDH.

1 37 (71.15%) MPLS
2 23 (44.23%) Ethernet
3 21 (40.38%) Cisco
4 20 (38.46%) Telecoms
5 17 (32.69%) Firewall
6 16 (30.77%) DWDM
6 16 (30.77%) Over-the-Top Content
7 14 (26.92%) VPN
8 13 (25.00%) Digital Media
8 13 (25.00%) Tektronix
8 13 (25.00%) Broadcast Engineering
9 12 (23.08%) Wireshark
9 12 (23.08%) Network Monitoring
9 12 (23.08%) tcpdump
9 12 (23.08%) ADSL
9 12 (23.08%) Finance
9 12 (23.08%) DSL
10 11 (21.15%) Cisco Certification
11 10 (19.23%) SONET
12 9 (17.31%) Juniper
12 9 (17.31%) CCNP
13 8 (15.38%) OSPF
13 8 (15.38%) BGP
13 8 (15.38%) Network Design
13 8 (15.38%) VLAN
14 7 (13.46%) LAN
14 7 (13.46%) WAN
15 6 (11.54%) ISO 9001
15 6 (11.54%) C
15 6 (11.54%) Mapinfo

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:

Application Platforms
1 6 (11.54%) Smallworld
Applications
1 1 (1.92%) Microsoft Excel
Communications & Networking
1 37 (71.15%) MPLS
2 23 (44.23%) Ethernet
3 17 (32.69%) Firewall
4 16 (30.77%) DWDM
5 14 (26.92%) VPN
6 12 (23.08%) ADSL
6 12 (23.08%) DSL
6 12 (23.08%) tcpdump
6 12 (23.08%) Wireshark
7 10 (19.23%) SONET
8 8 (15.38%) BGP
8 8 (15.38%) OSPF
8 8 (15.38%) VLAN
9 7 (13.46%) LAN
9 7 (13.46%) WAN
10 6 (11.54%) GPON
11 5 (9.62%) IPsec
12 4 (7.69%) SNMP
12 4 (7.69%) SSL
13 3 (5.77%) TCP/IP
Database & Business Intelligence
1 6 (11.54%) GIS
General
1 20 (38.46%) Telecoms
2 12 (23.08%) Finance
3 1 (1.92%) Marketing
Job Titles
1 22 (42.31%) Network Engineer
2 7 (13.46%) Broadcast Engineer
3 6 (11.54%) Digital Media Manager
3 6 (11.54%) Infrastructure Manager
3 6 (11.54%) Planning Manager
3 6 (11.54%) Service Manager
4 5 (9.62%) Senior Network Engineer
5 4 (7.69%) Digital Delivery Manager
5 4 (7.69%) Services Delivery Manager
6 3 (5.77%) Delivery Manager
6 3 (5.77%) Presales Engineer
7 2 (3.85%) Insight Manager
7 2 (3.85%) IP Network Engineer
7 2 (3.85%) Juniper Engineer
7 2 (3.85%) Operations Manager
7 2 (3.85%) Telecoms Provisioner
7 2 (3.85%) Video On Demand Engineer
8 1 (1.92%) Global Services Delivery Manager
8 1 (1.92%) IP Engineer
8 1 (1.92%) Sales Engineer
Libraries, Frameworks & Software Standards
1 1 (1.92%) RFC 2547
Miscellaneous
1 16 (30.77%) Over-the-Top Content
2 13 (25.00%) Digital Media
3 3 (5.77%) Video on Demand
4 1 (1.92%) Data Centre
4 1 (1.92%) Video\Live Streaming
Operating Systems
1 5 (9.62%) Linux
Processes & Methodologies
1 13 (25.00%) Broadcast Engineering
2 12 (23.08%) Network Monitoring
3 8 (15.38%) Network Design
4 6 (11.54%) Contract Management
4 6 (11.54%) Customer Requirements
4 6 (11.54%) Escalation Management
4 6 (11.54%) Network Planning
4 6 (11.54%) Performance Management
4 6 (11.54%) Service Delivery
4 6 (11.54%) Service Delivery Management
4 6 (11.54%) Service Management
4 6 (11.54%) Statistics
5 5 (9.62%) Incident Management
5 5 (9.62%) Load Balancing
6 4 (7.69%) DNA
6 4 (7.69%) Performance Measurement
7 3 (5.77%) Presales
8 2 (3.85%) Fault Management
8 2 (3.85%) Product Management
9 1 (1.92%) High Availability
Programming Languages
1 6 (11.54%) C
Qualifications
1 11 (21.15%) Cisco Certification
2 9 (17.31%) CCNP
3 5 (9.62%) CCIE
4 4 (7.69%) CCIP
5 2 (3.85%) CCNA
6 1 (1.92%) Degree
6 1 (1.92%) HND
6 1 (1.92%) SC Cleared
6 1 (1.92%) Security Cleared
Quality Assurance & Compliance
1 6 (11.54%) ISO 9001
1 6 (11.54%) NEBOSH
1 6 (11.54%) QA
2 4 (7.69%) SLA
Vendors
1 21 (40.38%) Cisco
2 13 (25.00%) Tektronix
3 9 (17.31%) Juniper
4 6 (11.54%) ESRI
4 6 (11.54%) Mapinfo
5 5 (9.62%) Alcatel-Lucent
5 5 (9.62%) Brocade
5 5 (9.62%) Fortinet
6 4 (7.69%) Ciena
6 4 (7.69%) Huawei
7 1 (1.92%) Microsoft
7 1 (1.92%) Nokia