Dense Wave Division Multiplexing (DWDM) East of England> Hertfordshire
The table below provides summary statistics for permanent job vacancies advertised in Hertfordshire requiring DWDM skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited DWDM over the 6 months leading up to 28 May 2025, comparing them to the same period in the previous two years.
6 months to 28 May 2025
Same period 2024
Same period 2023
Rank
88
119
-
Rank change year-on-year
+31
-
-
Permanent jobs citing DWDM
1
1
0
As % of all permanent jobs advertised in Hertfordshire
DWDM falls under the Communications and Computer Networking category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring communications or computer networking skills in Hertfordshire.
Permanent vacancies with a requirement for communications or computer networking skills
245
371
406
As % of all permanent jobs advertised in Hertfordshire
29.70%
18.16%
23.25%
Number of salaries quoted
84
296
142
10th Percentile
£31,625
£24,250
£23,000
25th Percentile
£41,273
£26,250
£30,000
Median annual salary (50th Percentile)
£55,500
£45,000
£40,000
Median % change year-on-year
+23.33%
+12.50%
-20.00%
75th Percentile
£65,938
£57,500
£54,688
90th Percentile
£74,625
£70,625
£62,500
East of England median annual salary
£45,000
£42,500
£42,500
% change year-on-year
+5.88%
-
-15.00%
DWDM Job Vacancy Trend in Hertfordshire
Job postings citing DWDM as a proportion of all IT jobs advertised in Hertfordshire.
DWDM Salary Trend in Hertfordshire
3-month moving average salary quoted in jobs citing DWDM in Hertfordshire.
DWDM Top 27 Co-occurring Skills and Capabilities in Hertfordshire
For the 6 months to 28 May 2025, job vacancies citing DWDM also mentioned the following skills and capabilities 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.
DWDM Co-occurring Skills and Capabilities in Hertfordshire by Category
The follow tables expand on the table above by listing co-occurrences grouped by category.
The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:
