Period
to 21 July 2017

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for DWDM skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited DWDM over the 6 months to 21 July 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.

Dense Wave Division Multiplexing (DWDM)
England > London
6 months to
21 Jul 2017
Same period 2016 Same period 2015
Rank 573 599 589
Rank change year-on-year +26 -10 -11
Contract jobs citing DWDM 19 11 13
As % of all contract IT jobs advertised in London 0.045% 0.024% 0.028%
As % of the Communications & Networking category 0.39% 0.18% 0.21%
Number of daily rates quoted 14 4 9
London median daily rate £394 £323 £275
Median daily rate % change year-on-year +22.09% +17.27% -10.93%
10th Percentile £203 £227 £215
90th Percentile £568 £500 £376
England median daily rate £403 £363 £325
% change year-on-year +11.17% +11.54% +13.54%
Number of hourly rates quoted 0 1 1
London median hourly rate - £40.00 £52.50
Median hourly rate % change year-on-year - -23.81% +55.56%
England median hourly rate £20.95 £40.00 £52.50
% change year-on-year -47.63% -23.81% +52.73%

DWDM 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 4902 6122 6129
As % of all contract IT job vacancies advertised in London 11.65% 13.50% 13.30%
Number of daily rates quoted 3243 4176 3957
London median daily rate £450 £438 £400
Median daily rate % change year-on-year +2.86% +9.38% -
10th Percentile £238 £245 £206
90th Percentile £625 £600 £575
England median daily rate £415 £400 £375
% change year-on-year +3.75% +6.67% -
Number of hourly rates quoted 134 95 192
London median hourly rate £21.35 £21.34 £18.86
Median hourly rate % change year-on-year +0.05% +13.18% -0.76%
10th Percentile £12.88 £10.50 £11.28
90th Percentile £50.00 £48.63 £50.00
England median hourly rate £18.98 £25.00 £20.50
% change year-on-year -24.08% +21.95% +13.70%

DWDM
Job Vacancy Trend in London

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

Job vacancy trend for DWDM in London

DWDM
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for DWDM in London

DWDM
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing DWDM in London over the 6 months to 21 July 2017.

Contractor daily rate histogram for DWDM in London

DWDM
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for DWDM in London

For the 6 months to 21 July 2017, IT contractor jobs citing DWDM 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 DWDM.

1 10 (52.63%) Telecoms
2 9 (47.37%) LAN
2 9 (47.37%) SDH
2 9 (47.37%) Cisco
3 8 (42.11%) MPLS
4 7 (36.84%) Data Centre
5 6 (31.58%) Ethernet
6 5 (26.32%) WAN
6 5 (26.32%) Project Management
7 4 (21.05%) VPN
7 4 (21.05%) DNS
7 4 (21.05%) Finance
7 4 (21.05%) Firewall
7 4 (21.05%) Network Management
8 3 (15.79%) Disaster Recovery
8 3 (15.79%) Open Source
8 3 (15.79%) Fault Management
8 3 (15.79%) SC Cleared
8 3 (15.79%) Security Cleared
8 3 (15.79%) VMware Infrastructure
8 3 (15.79%) Red Hat Enterprise Linux
8 3 (15.79%) EMC VPLEX
8 3 (15.79%) High Availability
8 3 (15.79%) Multicast
8 3 (15.79%) Structured Cabling
8 3 (15.79%) Tellabs
8 3 (15.79%) Identity Management
8 3 (15.79%) Wireless
8 3 (15.79%) VMware
8 3 (15.79%) Validation

DWDM
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:

Cloud Services
1 2 (10.53%) IaaS
1 2 (10.53%) SaaS
Communications & Networking
1 9 (47.37%) LAN
1 9 (47.37%) SDH
2 8 (42.11%) MPLS
3 6 (31.58%) Ethernet
4 5 (26.32%) WAN
5 4 (21.05%) DNS
5 4 (21.05%) Firewall
5 4 (21.05%) VPN
6 3 (15.79%) BGP
6 3 (15.79%) DHCP
6 3 (15.79%) Multicast
6 3 (15.79%) OSPF
6 3 (15.79%) SAN
6 3 (15.79%) SONET
6 3 (15.79%) Structured Cabling
6 3 (15.79%) Wireless
6 3 (15.79%) WLAN
7 2 (10.53%) EIGRP
7 2 (10.53%) IGMP
7 2 (10.53%) TCP/IP
Database & Business Intelligence
1 2 (10.53%) SQL Server
Development Applications
1 2 (10.53%) Sonatype Nexus
General
1 10 (52.63%) Telecoms
2 4 (21.05%) Finance
3 3 (15.79%) Banking
4 2 (10.53%) Investment Banking
Job Titles
1 4 (21.05%) Network Engineer
2 3 (15.79%) Architect
2 3 (15.79%) IP Engineer
2 3 (15.79%) Operations Engineer
3 2 (10.53%) Data Centre Architect
3 2 (10.53%) Design Engineer
3 2 (10.53%) Designer
3 2 (10.53%) Network Support
3 2 (10.53%) Network Support Engineer
3 2 (10.53%) Optical Engineer
3 2 (10.53%) Project Leader
3 2 (10.53%) Support Engineer
3 2 (10.53%) Technical Architect
3 2 (10.53%) Telecoms Manager
3 2 (10.53%) Test Project Leader
4 1 (5.26%) Coordinator
4 1 (5.26%) Delivery Manager
4 1 (5.26%) Enterprise Architect
4 1 (5.26%) Product Manager
4 1 (5.26%) Test Coordinator
Libraries, Frameworks & Software Standards
1 2 (10.53%) 802.1X
Miscellaneous
1 7 (36.84%) Data Centre
2 2 (10.53%) Analytical Skills
Operating Systems
1 3 (15.79%) Linux
1 3 (15.79%) Mac OS X
1 3 (15.79%) Red Hat Enterprise Linux
1 3 (15.79%) Windows
Processes & Methodologies
1 5 (26.32%) Project Management
2 4 (21.05%) Network Management
3 3 (15.79%) Disaster Recovery
3 3 (15.79%) Fault Management
3 3 (15.79%) High Availability
3 3 (15.79%) Identity Management
3 3 (15.79%) ITIL
3 3 (15.79%) Open Source
3 3 (15.79%) Validation
4 2 (10.53%) Change Management
4 2 (10.53%) PRINCE2
5 1 (5.26%) Continuous Improvement
5 1 (5.26%) IT Strategy
5 1 (5.26%) Low Latency
5 1 (5.26%) Network Design
5 1 (5.26%) Product Management
5 1 (5.26%) Service Management
Programming Languages
1 2 (10.53%) Perl
Qualifications
1 3 (15.79%) SC Cleared
1 3 (15.79%) Security Cleared
2 2 (10.53%) CCIE
2 2 (10.53%) Cisco Certification
3 1 (5.26%) CCNP
3 1 (5.26%) JNCIE
System Software
1 3 (15.79%) VMware Infrastructure
Systems Management
1 3 (15.79%) EMC VPLEX
2 2 (10.53%) Cacti
2 2 (10.53%) Nagios
2 2 (10.53%) Opscode Chef
2 2 (10.53%) Puppet
2 2 (10.53%) ZABBIX
3 1 (5.26%) Cisco UCCE
3 1 (5.26%) Cisco UCCX
Vendors
1 9 (47.37%) Cisco
2 3 (15.79%) CheckPoint
2 3 (15.79%) Citrix
2 3 (15.79%) EMC
2 3 (15.79%) Nortel
2 3 (15.79%) Red Hat
2 3 (15.79%) Salesforce.com
2 3 (15.79%) Tellabs
2 3 (15.79%) VMware
3 2 (10.53%) Ciena
3 2 (10.53%) Cramer
3 2 (10.53%) Huawei
3 2 (10.53%) Juniper
3 2 (10.53%) MetaSolv
3 2 (10.53%) NetScout
3 2 (10.53%) Oracle