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 28 September 2016 with a comparison to the same period over the previous 2 years.

3 months to
28 Sep 2016
Same period 2015 Same period 2014
Dense Wave Division Multiplexing (DWDM)
Rank 597 649 642
Rank change year-on-year
+52 -7
Permanent jobs citing DWDM 16 22 25
As % of all permanent IT jobs located in London 0.042% 0.050% 0.055%
As % of the Communications & Networking category 0.27% 0.31% 0.32%
Number of salaries quoted 14 14 22
Median salary £46,500 £37,000 £68,750
Median salary % change year-on-year
+25.67% -46.18%
90% offered a salary of more than £40,000 £33,400 £47,750
10% offered a salary of more than £70,000 £90,000 £79,500
UK excluding London median salary £40,000 £50,000 £55,500
% change year-on-year
-20.00% -9.90%
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
5870 7029 7728
As % of all permanent IT jobs located in London 15.43% 15.92% 17.06%
Number of salaries quoted 5011 6014 6360
Median salary £52,500 £50,000 £50,000
Median salary % change year-on-year
+5.00% -
90% offered a salary of more than £32,500 £29,000 £30,000
10% offered a salary of more than £75,000 £70,000 £75,000
UK excluding London median salary £42,500 £42,000 £40,000
% change year-on-year
+1.19% +5.00%

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 28 September 2016.

DWDM Salary Histogram in London

DWDM
Top 30 Related IT Skills in London

For the 6 months to 28 September 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 25 (53.19%) MPLS
2 23 (48.94%) Cisco Certification
3 22 (46.81%) VPN
4 20 (42.55%) Wireless
5 19 (40.43%) Telecoms
6 18 (38.30%) CCNP
6 18 (38.30%) LAN
6 18 (38.30%) WAN
7 17 (36.17%) Network Security
8 15 (31.91%) Finance
8 15 (31.91%) CCNA
8 15 (31.91%) Cisco
8 15 (31.91%) Data Centre
9 13 (27.66%) SDH
10 12 (25.53%) Python
11 11 (23.40%) OSPF
11 11 (23.40%) BGP
11 11 (23.40%) Huawei
12 10 (21.28%) Degree
12 10 (21.28%) Unified Communications
12 10 (21.28%) Internet
12 10 (21.28%) TCP/IP
13 9 (19.15%) DNS
13 9 (19.15%) DHCP
13 9 (19.15%) Juniper
13 9 (19.15%) Cisco Nexus
14 8 (17.02%) Ciena
14 8 (17.02%) Nagios
14 8 (17.02%) NetScreen
14 8 (17.02%) Ethernet

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 5 (10.64%) Skype for Business
2 4 (8.51%) SharePoint
Applications
1 1 (2.13%) MS Excel
Cloud Services
1 6 (12.77%) Amazon AWS
2 5 (10.64%) Microsoft Azure
Communications & Networking
1 25 (53.19%) MPLS
2 22 (46.81%) VPN
3 20 (42.55%) Wireless
4 18 (38.30%) LAN
4 18 (38.30%) WAN
5 17 (36.17%) Network Security
6 13 (27.66%) SDH
7 11 (23.40%) BGP
7 11 (23.40%) OSPF
8 10 (21.28%) Internet
8 10 (21.28%) TCP/IP
8 10 (21.28%) Unified Communications
9 9 (19.15%) Cisco Nexus
9 9 (19.15%) DHCP
9 9 (19.15%) DNS
10 8 (17.02%) Cisco ASA
10 8 (17.02%) Ethernet
10 8 (17.02%) NetScreen
11 6 (12.77%) LDAP
11 6 (12.77%) SNMP
Database & Business Intelligence
1 3 (6.38%) MySQL
1 3 (6.38%) PostgreSQL
Development Applications
1 4 (8.51%) Git (software)
2 3 (6.38%) Subversion
General
1 19 (40.43%) Telecoms
2 15 (31.91%) Finance
3 5 (10.64%) Financial Institution
3 5 (10.64%) Marketing
3 5 (10.64%) Retail
4 4 (8.51%) Banking
5 1 (2.13%) Investment Banking
5 1 (2.13%) Mandarin Language
Job Titles
1 8 (17.02%) Communications Engineer
2 7 (14.89%) Network Manager
3 6 (12.77%) Network Engineer
3 6 (12.77%) Optical Engineer
4 5 (10.64%) Network Communications Engineer
4 5 (10.64%) Network Operations Manager
4 5 (10.64%) Operations Manager
4 5 (10.64%) Product Manager
4 5 (10.64%) Telecoms Manager
4 5 (10.64%) Telecoms Product Manager
5 4 (8.51%) Network Specialist
6 3 (6.38%) Administrator
6 3 (6.38%) Junior
6 3 (6.38%) Junior Network Engineer
6 3 (6.38%) Telecoms Planner
7 2 (4.26%) Junior Systems Engineer
7 2 (4.26%) Systems Engineer
7 2 (4.26%) Technical Manager
7 2 (4.26%) Technical Specialist
7 2 (4.26%) Transmission Engineer
Libraries, Frameworks & Software Standards
1 4 (8.51%) 802.1X
1 4 (8.51%) Middleware
2 3 (6.38%) LAMP
3 1 (2.13%) JSON
3 1 (2.13%) REST
Miscellaneous
1 15 (31.91%) Data Centre
2 6 (12.77%) Virtual Team
3 5 (10.64%) Computer Science
3 5 (10.64%) Equities
3 5 (10.64%) Fixed Income
3 5 (10.64%) Statistics
3 5 (10.64%) Video Conferencing
4 4 (8.51%) Analytical Skills
4 4 (8.51%) IVR
5 3 (6.38%) Clustering
5 3 (6.38%) IPTV
5 3 (6.38%) MPEG
5 3 (6.38%) Replication
5 3 (6.38%) Streaming Video
Operating Systems
1 8 (17.02%) Unix
2 6 (12.77%) Windows
3 3 (6.38%) CentOS
3 3 (6.38%) Linux
3 3 (6.38%) Solaris
3 3 (6.38%) Ubuntu
3 3 (6.38%) Windows NT
Processes & Methodologies
1 7 (14.89%) ITIL
1 7 (14.89%) Time Management
2 6 (12.77%) Change Management
2 6 (12.77%) High Availability
2 6 (12.77%) Low Latency
2 6 (12.77%) Network Management
3 5 (10.64%) Asset Management
3 5 (10.64%) Electronic Trading
3 5 (10.64%) Open Source
3 5 (10.64%) Product Management
4 4 (8.51%) E-Commerce
4 4 (8.51%) Root Cause Analysis
4 4 (8.51%) Web Development
5 3 (6.38%) Network Design
5 3 (6.38%) Project Planning
5 3 (6.38%) Regulatory Compliance
6 2 (4.26%) DNA
6 2 (4.26%) Project Management
7 1 (2.13%) Service Management
7 1 (2.13%) Stakeholder Management
Programming Languages
1 12 (25.53%) Python
2 5 (10.64%) Perl
2 5 (10.64%) Shell Script
3 4 (8.51%) C
4 3 (6.38%) Bash Shell
Qualifications
1 23 (48.94%) Cisco Certification
2 18 (38.30%) CCNP
3 15 (31.91%) CCNA
4 10 (21.28%) Degree
5 6 (12.77%) CCIE
6 4 (8.51%) CCNP Voice
7 3 (6.38%) Avaya Certification
7 3 (6.38%) CCDP
System Software
1 3 (6.38%) GlusterFS
2 2 (4.26%) Firmware
3 1 (2.13%) KVM
Systems Management
1 8 (17.02%) Nagios
2 4 (8.51%) Cacti
3 3 (6.38%) Puppet
3 3 (6.38%) ZABBIX
4 1 (2.13%) OpenNebula
Vendors
1 15 (31.91%) Cisco
2 11 (23.40%) Huawei
3 9 (19.15%) Juniper
4 8 (17.02%) Ciena
4 8 (17.02%) F5
5 6 (12.77%) Microsoft
6 3 (6.38%) Avaya
6 3 (6.38%) Extreme Networks
6 3 (6.38%) Nokia
6 3 (6.38%) Percona
6 3 (6.38%) Red Hat
7 2 (4.26%) Alcatel-Lucent
8 1 (2.13%) Palo Alto
8 1 (2.13%) Remedy