Period
to 16 January 2019

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire 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 16 January 2019 with a comparison to the same period in the previous 2 years.

Dense Wave Division Multiplexing (DWDM)
East of England > Hertfordshire
6 months to
16 Jan 2019
Same period 2018 Same period 2017
Rank 183 183 211
Rank change year-on-year 0 +28 +13
Permanent jobs citing DWDM 7 25 7
As % of all permanent IT jobs advertised in Hertfordshire 0.20% 0.56% 0.16%
As % of the Communications & Networking category 0.93% 2.70% 0.96%
Number of salaries quoted 3 18 3
Hertfordshire median annual salary £67,500 £67,500 £28,000
Median salary % change year-on-year - +141.07% -16.42%
10th Percentile £63,750 £46,000 £25,000
90th Percentile £71,250 £71,250 £41,200
East of England median annual salary £67,500 £67,500 £47,500
% change year-on-year - +42.11% -3.06%

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 Hertfordshire with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
Hertfordshire
Permanent vacancies with a requirement for communications or computer networking skills 755 927 726
As % of all permanent IT jobs advertised in Hertfordshire 21.23% 20.87% 16.52%
Number of salaries quoted 537 775 555
Hertfordshire median annual salary £45,000 £47,500 £45,000
Median salary % change year-on-year -5.26% +5.56% +1.12%
10th Percentile £25,750 £25,000 £23,500
90th Percentile £72,000 £68,750 £65,000
East of England median annual salary £42,500 £45,000 £45,000
% change year-on-year -5.56% - +5.88%

DWDM
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for DWDM in Hertfordshire

DWDM
Salary Trend in Hertfordshire

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

Salary trend for DWDM in Hertfordshire

DWDM
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing DWDM within the Hertfordshire region over the 6 months to 16 January 2019. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City -8 4 - -
DWDM
East of England

For the 6 months to 16 January 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 Hertfordshire region with a requirement for DWDM.

1 7 (100.00%) LAN
1 7 (100.00%) WAN
1 7 (100.00%) VPN
1 7 (100.00%) MPLS
1 7 (100.00%) OSPF
1 7 (100.00%) BGP
1 7 (100.00%) EIGRP
1 7 (100.00%) IGRP
1 7 (100.00%) Cisco
1 7 (100.00%) Citrix
1 7 (100.00%) Cisco IOS
1 7 (100.00%) F5
1 7 (100.00%) NetScaler
1 7 (100.00%) GLBP
1 7 (100.00%) Data Centre
1 7 (100.00%) Arista
2 4 (57.14%) Systems Engineering
2 4 (57.14%) 802.1X
2 4 (57.14%) Load Balancing
2 4 (57.14%) Riverbed
2 4 (57.14%) Multicast
2 4 (57.14%) Mentoring
2 4 (57.14%) Continuous Improvement
2 4 (57.14%) WAN Optimisation
2 4 (57.14%) DMVPN
2 4 (57.14%) Software Engineering
2 4 (57.14%) Supplier Management
2 4 (57.14%) IPsec
2 4 (57.14%) DNS
2 4 (57.14%) SSL

DWDM
Co-occurring IT Skills in Hertfordshire 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:

Communications & Networking
1 7 (100.00%) BGP
1 7 (100.00%) Cisco IOS
1 7 (100.00%) EIGRP
1 7 (100.00%) GLBP
1 7 (100.00%) IGRP
1 7 (100.00%) LAN
1 7 (100.00%) MPLS
1 7 (100.00%) NetScaler
1 7 (100.00%) OSPF
1 7 (100.00%) VPN
1 7 (100.00%) WAN
2 4 (57.14%) DHCP
2 4 (57.14%) DMVPN
2 4 (57.14%) DNS
2 4 (57.14%) IPsec
2 4 (57.14%) Multicast
2 4 (57.14%) SSL
3 3 (42.86%) Cisco ASA
3 3 (42.86%) Firewall
3 3 (42.86%) HTTP
Job Titles
1 4 (57.14%) Engineering Manager
1 4 (57.14%) Network Engineering Manager
1 4 (57.14%) Network Manager
1 4 (57.14%) Systems Engineering Manager
1 4 (57.14%) Systems Manager
2 3 (42.86%) Network Engineer
2 3 (42.86%) Senior Network Engineer
Libraries, Frameworks & Software Standards
1 4 (57.14%) 802.1X
2 3 (42.86%) HTML
2 3 (42.86%) XML
Miscellaneous
1 7 (100.00%) Data Centre
2 3 (42.86%) Analytical Skills
Processes & Methodologies
1 4 (57.14%) Continuous Improvement
1 4 (57.14%) Load Balancing
1 4 (57.14%) Mentoring
1 4 (57.14%) Software Engineering
1 4 (57.14%) Supplier Management
1 4 (57.14%) Systems Engineering
1 4 (57.14%) WAN Optimisation
2 3 (42.86%) E-Commerce
2 3 (42.86%) Technical Leadership
System Software
1 3 (42.86%) VMware NSX
Vendors
1 7 (100.00%) Arista
1 7 (100.00%) Cisco
1 7 (100.00%) Citrix
1 7 (100.00%) F5
2 4 (57.14%) Riverbed
3 3 (42.86%) CheckPoint
3 3 (42.86%) Fortinet
3 3 (42.86%) Palo Alto
3 3 (42.86%) VMware