The table below looks at the statistics for DWDM skills in IT jobs advertised for the London region. Included is a guide to the salaries offered in IT jobs that have cited DWDM over the 3 months to 30 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
30 Jul 2016
Same period 2015 Same period 2014
Dense Wave Division Multiplexing (DWDM)
Rank 594 634 668
Rank change year-on-year
+40 +34
Permanent jobs citing DWDM 22 18 28
As % of all permanent IT jobs located in London 0.056% 0.041% 0.058%
As % of the Communications & Networking category 0.35% 0.26% 0.35%
Number of salaries quoted 14 9 23
Median salary £52,500 £62,500 £70,000
Median salary % change year-on-year
-16.00% -10.71%
90% offered a salary of more than £40,000 £34,900 £49,800
10% offered a salary of more than £70,000 £90,000 £74,000
UK excluding London median salary £58,500 £50,000 £56,500
% change year-on-year
+17.00% -11.50%
DWDM
England

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

Communications & Networking Category
London
Permanent IT job ads with a match in the
Communications & Networking category
6227 6918 7916
As % of all permanent IT jobs located in London 15.83% 15.61% 16.42%
Number of salaries quoted 5355 5870 6569
Median salary £54,000 £50,000 £50,000
Median salary % change year-on-year
+8.00% -
90% offered a salary of more than £32,500 £30,000 £30,000
10% offered a salary of more than £75,000 £70,000 £75,000
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year
+6.25% -

DWDM
Jobs Demand Trend in London

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

DWDM Jobs Demand Trend in London

DWDM
Salary Trend in London

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

DWDM Salary Trend in London

DWDM
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing DWDM across the London region over the 3 months to 30 July 2016.

DWDM Salary Histogram in London

DWDM
Top 30 Related IT Skills in London

For the 6 months to 30 July 2016, IT jobs citing DWDM 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 DWDM.

1 22 (44.00%) Finance
2 21 (42.00%) Cisco Certification
3 19 (38.00%) VPN
3 19 (38.00%) Wireless
3 19 (38.00%) MPLS
4 18 (36.00%) Network Security
5 17 (34.00%) WAN
5 17 (34.00%) Python
5 17 (34.00%) Data Centre
6 16 (32.00%) LAN
6 16 (32.00%) CCNA
6 16 (32.00%) Telecoms
7 15 (30.00%) Cisco
7 15 (30.00%) CCNP
8 14 (28.00%) Degree
9 11 (22.00%) Internet
9 11 (22.00%) SDH
9 11 (22.00%) Unified Communications
9 11 (22.00%) Huawei
9 11 (22.00%) High Availability
9 11 (22.00%) Low Latency
9 11 (22.00%) Virtual Team
10 10 (20.00%) Electronic Trading
10 10 (20.00%) Microsoft
10 10 (20.00%) Juniper
11 9 (18.00%) DHCP
11 9 (18.00%) DNS
11 9 (18.00%) Computer Science
11 9 (18.00%) Cisco ASA
11 9 (18.00%) Cisco Nexus

DWDM
Top Related 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 (12.00%) Skype for Business
2 4 (8.00%) SharePoint
Applications
1 4 (8.00%) MS Excel
2 1 (2.00%) MS Office
Cloud Services
1 6 (12.00%) Amazon AWS
2 5 (10.00%) Microsoft Azure
Communications & Networking
1 19 (38.00%) MPLS
1 19 (38.00%) VPN
1 19 (38.00%) Wireless
2 18 (36.00%) Network Security
3 17 (34.00%) WAN
4 16 (32.00%) LAN
5 11 (22.00%) Internet
5 11 (22.00%) SDH
5 11 (22.00%) Unified Communications
6 9 (18.00%) Cisco ASA
6 9 (18.00%) Cisco Nexus
6 9 (18.00%) DHCP
6 9 (18.00%) DNS
7 8 (16.00%) NetScreen
8 7 (14.00%) BGP
8 7 (14.00%) Ethernet
8 7 (14.00%) OSPF
8 7 (14.00%) TCP/IP
9 5 (10.00%) Firewall
9 5 (10.00%) SSL
Development Applications
1 1 (2.00%) Git (software)
General
1 22 (44.00%) Finance
2 16 (32.00%) Telecoms
3 5 (10.00%) Financial Institution
3 5 (10.00%) Retail
4 4 (8.00%) Banking
5 2 (4.00%) Marketing
6 1 (2.00%) Investment Banking
Job Titles
1 12 (24.00%) Network Engineer
2 9 (18.00%) Communications Engineer
3 7 (14.00%) Network Manager
4 5 (10.00%) Network Communications Engineer
4 5 (10.00%) Network Operations Manager
4 5 (10.00%) Operations Manager
4 5 (10.00%) Optical Engineer
5 4 (8.00%) Network Specialist
5 4 (8.00%) Telecoms Planner
6 3 (6.00%) Junior
6 3 (6.00%) Junior Network Engineer
6 3 (6.00%) Network Planner
7 2 (4.00%) IP Engineer
7 2 (4.00%) Junior Systems Engineer
7 2 (4.00%) Network Systems Engineer
7 2 (4.00%) Systems Engineer
7 2 (4.00%) Technical Specialist
7 2 (4.00%) Telecoms Manager
7 2 (4.00%) Telecoms Product Manager
7 2 (4.00%) Transmission Engineer
Libraries, Frameworks & Software Standards
1 4 (8.00%) Middleware
2 1 (2.00%) 802.1X
2 1 (2.00%) JSON
2 1 (2.00%) REST
Miscellaneous
1 17 (34.00%) Data Centre
2 11 (22.00%) Virtual Team
3 9 (18.00%) Computer Science
4 6 (12.00%) Statistics
4 6 (12.00%) Video Conferencing
5 5 (10.00%) Equities
5 5 (10.00%) Fixed Income
6 4 (8.00%) IVR
7 1 (2.00%) Analytical Skills
Operating Systems
1 8 (16.00%) Unix
2 3 (6.00%) Windows
2 3 (6.00%) Windows NT
Processes & Methodologies
1 11 (22.00%) High Availability
1 11 (22.00%) Low Latency
2 10 (20.00%) Electronic Trading
3 7 (14.00%) Project Management
4 6 (12.00%) Change Management
4 6 (12.00%) Network Management
5 5 (10.00%) Asset Management
5 5 (10.00%) Open Source
5 5 (10.00%) Time Management
6 4 (8.00%) Continuous Integration
6 4 (8.00%) E-Commerce
6 4 (8.00%) ITIL
6 4 (8.00%) Root Cause Analysis
6 4 (8.00%) TDD
6 4 (8.00%) Web Development
7 3 (6.00%) Business Development
7 3 (6.00%) CRM
7 3 (6.00%) Financial Modelling
7 3 (6.00%) Network Architecture
8 2 (4.00%) Product Management
Programming Languages
1 17 (34.00%) Python
2 5 (10.00%) Perl
2 5 (10.00%) Shell Script
3 4 (8.00%) C
Qualifications
1 21 (42.00%) Cisco Certification
2 16 (32.00%) CCNA
3 15 (30.00%) CCNP
4 14 (28.00%) Degree
5 5 (10.00%) CCIE
6 4 (8.00%) CCNP Voice
7 3 (6.00%) Avaya Certification
8 1 (2.00%) PMI Certification
8 1 (2.00%) PMP
8 1 (2.00%) PRINCE2 Practitioner
Quality Assurance & Compliance
1 1 (2.00%) SLA
System Software
1 2 (4.00%) Firmware
2 1 (2.00%) KVM
Systems Management
1 5 (10.00%) Nagios
2 4 (8.00%) Cacti
3 1 (2.00%) Cisco CUCM
3 1 (2.00%) OpenNebula
Vendors
1 15 (30.00%) Cisco
2 11 (22.00%) Huawei
3 10 (20.00%) Juniper
3 10 (20.00%) Microsoft
4 8 (16.00%) Ciena
4 8 (16.00%) F5
5 3 (6.00%) Alcatel-Lucent
5 3 (6.00%) Avaya
5 3 (6.00%) Nokia
6 1 (2.00%) Palo Alto
6 1 (2.00%) Remedy