Period
to 3 April 2020

The following table provides summary statistics for contract job vacancies advertised in Welwyn Garden City 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 3 April 2020 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)
Hertfordshire > Welwyn Garden City
6 months to
3 Apr 2020
Same period 2019 Same period 2018
Rank 11 - -
Rank change year-on-year - - -
Contract jobs citing DWDM 2 0 0
As % of all contract jobs advertised in Welwyn Garden City 3.45% - -
As % of the Communications & Networking category 20.00% - -
Number of daily rates quoted 2 0 0
Median daily rate £675 - -
Hertfordshire median daily rate £675 £425 £400
% change year-on-year +58.82% +6.25% +68.42%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
Hertfordshire median hourly rate - - -

DWDM is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Welwyn Garden City with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
Welwyn Garden City
Contract vacancies with a requirement for communications or computer networking skills 10 14 32
As % of all contract IT jobs advertised in Welwyn Garden City 17.24% 12.73% 16.84%
Number of daily rates quoted 10 5 19
Median daily rate £475 £550 £263
Median daily rate % change year-on-year -13.64% +109.52% -41.67%
10th Percentile £304 £423 £125
90th Percentile £688 £565 £353
Hertfordshire median daily rate £400 £400 £347
% change year-on-year - +15.27% -7.47%
Number of hourly rates quoted 0 1 4
Median hourly rate - £13.00 £17.50
Median hourly rate % change year-on-year - -25.71% -
Median hourly rate £14.50 £17.25 £14.50
% change year-on-year -15.94% +18.97% -53.97%

For the 6 months to 3 April 2020, IT contractor jobs citing DWDM also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Welwyn Garden City region with a requirement for DWDM.

1 2 (100.00%) Fortinet
1 2 (100.00%) Load Balancing
1 2 (100.00%) Cisco IOS
1 2 (100.00%) PowerShell
1 2 (100.00%) Cisco ASA
1 2 (100.00%) Git (software)
1 2 (100.00%) Riverbed
1 2 (100.00%) Tufin
1 2 (100.00%) Aruba
1 2 (100.00%) Akamai
1 2 (100.00%) Puppet
1 2 (100.00%) Network Management
1 2 (100.00%) F5
1 2 (100.00%) WAN Optimisation
1 2 (100.00%) DMVPN
1 2 (100.00%) NetScaler
1 2 (100.00%) GLBP
1 2 (100.00%) Opscode Chef
1 2 (100.00%) Multicast
1 2 (100.00%) Meraki
1 2 (100.00%) DevOps
1 2 (100.00%) Mentoring
1 2 (100.00%) Analytical Skills
1 2 (100.00%) Data Centre
1 2 (100.00%) 802.1X
1 2 (100.00%) Palo Alto
1 2 (100.00%) vRealize
1 2 (100.00%) Two-Factor Authentication
1 2 (100.00%) Multi-Factor Authentication
1 2 (100.00%) The Twelve-Factor App

DWDM
Co-occurring IT Skills in Welwyn Garden City 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 (100.00%) Akamai
Communications & Networking
1 2 (100.00%) 802.11
1 2 (100.00%) BGP
1 2 (100.00%) Cisco ASA
1 2 (100.00%) Cisco IOS
1 2 (100.00%) DHCP
1 2 (100.00%) DMVPN
1 2 (100.00%) DNS
1 2 (100.00%) EIGRP
1 2 (100.00%) Firewall
1 2 (100.00%) IGRP
1 2 (100.00%) Internet
1 2 (100.00%) IPsec
1 2 (100.00%) LAN
1 2 (100.00%) MPLS
1 2 (100.00%) NetScaler
1 2 (100.00%) OSPF
1 2 (100.00%) SNMP
1 2 (100.00%) VPN
1 2 (100.00%) WAN
1 2 (100.00%) Wi-Fi
Development Applications
1 2 (100.00%) Git (software)
Job Titles
1 2 (100.00%) Designer
2 1 (50.00%) Firewall Engineer
2 1 (50.00%) Network Designer
2 1 (50.00%) Network Engineer
Libraries, Frameworks & Software Standards
1 2 (100.00%) 802.1X
2 1 (50.00%) HTML
2 1 (50.00%) XML
Miscellaneous
1 2 (100.00%) Analytical Skills
1 2 (100.00%) Data Centre
Operating Systems
1 2 (100.00%) Linux
1 2 (100.00%) Unix
Processes & Methodologies
1 2 (100.00%) DevOps
1 2 (100.00%) Load Balancing
1 2 (100.00%) Mentoring
1 2 (100.00%) Multi-Factor Authentication
1 2 (100.00%) Network Management
1 2 (100.00%) Software Engineering
1 2 (100.00%) Technical Leadership
1 2 (100.00%) Technology Roadmap
1 2 (100.00%) The Twelve-Factor App
1 2 (100.00%) Two-Factor Authentication
1 2 (100.00%) WAN Optimisation
Programming Languages
1 2 (100.00%) PowerShell
1 2 (100.00%) Python
Qualifications
1 2 (100.00%) CCNP
1 2 (100.00%) Cisco Certification
System Software
1 2 (100.00%) VMware NSX
Systems Management
1 2 (100.00%) Opscode Chef
1 2 (100.00%) Puppet
1 2 (100.00%) vCenter Server
1 2 (100.00%) vRealize
Vendors
1 2 (100.00%) Arista
1 2 (100.00%) Aruba
1 2 (100.00%) Blue Coat
1 2 (100.00%) CheckPoint
1 2 (100.00%) Cisco
1 2 (100.00%) Citrix
1 2 (100.00%) F5
1 2 (100.00%) Fortinet
1 2 (100.00%) Juniper
1 2 (100.00%) Meraki
1 2 (100.00%) Palo Alto
1 2 (100.00%) Riverbed
1 2 (100.00%) Tufin
1 2 (100.00%) VMware
1 2 (100.00%) Zscaler