Period
to 25 June 2019

The following table provides summary statistics for permanent job vacancies advertised in Welwyn Garden City with a requirement for DWDM skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited DWDM over the 6 months to 25 June 2019 with a comparison to the same period in the previous 2 years.

Dense Wave Division Multiplexing (DWDM)
Hertfordshire > Welwyn Garden City
6 months to
25 Jun 2019
Same period 2018 Same period 2017
Rank 43 59 -
Rank change year-on-year +16 - -
Permanent jobs citing DWDM 1 7 0
As % of all permanent IT jobs advertised in Welwyn Garden City 0.67% 1.68% -
As % of the Communications & Networking category 2.00% 9.59% -
Number of salaries quoted 0 0 0
Welwyn Garden City median annual salary - - -
Hertfordshire median annual salary £32,000 £67,500 £67,500
% change year-on-year -52.59% - +68.75%

DWDM 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 Welwyn Garden City with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
Welwyn Garden City
Permanent vacancies with a requirement for communications or computer networking skills 50 73 53
As % of all permanent IT jobs advertised in Welwyn Garden City 33.56% 17.55% 24.77%
Number of salaries quoted 17 14 41
Welwyn Garden City median annual salary £52,500 £44,000 £36,500
Median salary % change year-on-year +19.32% +20.55% -21.51%
10th Percentile £25,000 £40,000 £25,500
90th Percentile £77,500 £57,500 £47,500
Hertfordshire median annual salary £45,000 £47,500 £45,000
% change year-on-year -5.26% +5.56% +5.88%

DWDM
Job Vacancy Trend in Welwyn Garden City

Job postings citing DWDM as a percentage of all IT jobs advertised in Welwyn Garden City.

Job vacancy trend for DWDM in Welwyn Garden City

For the 6 months to 25 June 2019, IT 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 permanent job ads across the Welwyn Garden City region with a requirement for DWDM.

1 1 (100.00%) HTML
1 1 (100.00%) XML
1 1 (100.00%) Unix
1 1 (100.00%) Linux
1 1 (100.00%) Python
1 1 (100.00%) E-Commerce
1 1 (100.00%) LAN
1 1 (100.00%) WAN
1 1 (100.00%) DHCP
1 1 (100.00%) HTTP
1 1 (100.00%) SNMP
1 1 (100.00%) VPN
1 1 (100.00%) DNS
1 1 (100.00%) HTTPS
1 1 (100.00%) SSL
1 1 (100.00%) Cisco
1 1 (100.00%) CCNP
1 1 (100.00%) Citrix
1 1 (100.00%) Cisco Certification
1 1 (100.00%) Juniper
1 1 (100.00%) CheckPoint
1 1 (100.00%) Internet
1 1 (100.00%) 802.11
1 1 (100.00%) MPLS
1 1 (100.00%) OSPF
1 1 (100.00%) BGP
1 1 (100.00%) EIGRP
1 1 (100.00%) IGRP
1 1 (100.00%) Firewall
1 1 (100.00%) Wi-Fi

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