Period
to 25 September 2020

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 25 September 2020 with a comparison to the same period in the previous 2 years.

Dense Wave Division Multiplexing (DWDM)
East of England > Hertfordshire
6 months to
25 Sep 2020
Same period 2019 Same period 2018
Rank - 154 199
Permanent jobs citing DWDM 0 2 12
As % of all permanent jobs advertised in Hertfordshire - 0.079% 0.29%
As % of the Communications & Networking category - 0.31% 1.51%
Number of salaries quoted 0 1 8
Median annual salary - £32,000 £67,500
Median salary % change year-on-year - -52.59% -
East of England median annual salary £35,000 £45,000 £67,500
% change year-on-year -22.22% -33.33% +17.39%

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 125 635 795
As % of all permanent IT jobs advertised in Hertfordshire 24.70% 25.10% 19.23%
Number of salaries quoted 107 452 588
Median annual salary £45,000 £45,000 £50,000
Median salary % change year-on-year - -10.00% +11.11%
10th Percentile £27,500 £25,000 £26,750
90th Percentile £72,500 £67,500 £71,250
East of England median annual salary £45,000 £45,000 £45,000

DWDM
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for DWDM in Hertfordshire

DWDM
Salary Trend in Hertfordshire

3-month moving average salary quoted in jobs citing DWDM in Hertfordshire.

Salary trend for DWDM in Hertfordshire