The table below looks at the statistics for DWDM skills in IT jobs advertised for the Hertfordshire region. Included is a guide to the salaries offered in IT jobs that have cited DWDM over the 3 months to 6 December 2016 with a comparison to the same period over the previous 2 years.

3 months to
6 Dec 2016
Same period 2015 Same period 2014
Dense Wave Division Multiplexing (DWDM)
Rank 134 138 142
Rank change year-on-year
+4 +4
Permanent jobs citing DWDM 3 3 5
As % of all permanent IT jobs located in Hertfordshire 0.14% 0.14% 0.21%
As % of the Communications & Networking category 0.90% 0.70% 0.91%
Number of salaries quoted 3 3 2
Median salary £28,000 £33,500 £21,500
Median salary % change year-on-year
-16.41% +55.81%
UK excluding London median salary £50,000 £49,000 £47,500
% change year-on-year
+2.04% +3.15%
DWDM
East of England

The following table is for comparison with the above and provides statistics for the entire Communications & Networking category in permanent jobs advertised in the Hertfordshire region.

Communications & Networking Category
Hertfordshire
Permanent IT job ads with a match in the
Communications & Networking category
334 429 549
As % of all permanent IT jobs located in Hertfordshire 15.21% 19.72% 22.76%
Number of salaries quoted 262 340 447
Median salary £42,000 £45,000 £45,000
Median salary % change year-on-year
-6.66% -
90% offered a salary of more than £26,000 £27,000 £27,500
10% offered a salary of more than £62,500 £60,000 £60,500
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year
- +6.25%

DWDM
Jobs Demand Trend in Hertfordshire

The demand trend of job ads across the Hertfordshire region citing DWDM as a proportion of all IT jobs with a match in the Communications & Networking category.

DWDM Jobs Demand Trend in Hertfordshire

DWDM
Salary Trend in Hertfordshire

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

DWDM Salary Trend in Hertfordshire

DWDM
Salary Histogram in Hertfordshire

This chart provides a salary histogram for IT jobs citing DWDM across the Hertfordshire region over the 3 months to 6 December 2016.

DWDM Salary Histogram 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 3 months to 6 December 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Hemel Hempstead - 2 £26,750 -
Watford - 1 £43,000 -
DWDM
East of England

DWDM
Top 13 Related IT Skills in Hertfordshire

For the 6 months to 6 December 2016, IT jobs citing DWDM also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region with a requirement for DWDM.

1 2 (66.67%) CCNA
1 2 (66.67%) Cisco Certification
1 2 (66.67%) Telecoms
1 2 (66.67%) IP Telephony
1 2 (66.67%) WAN
1 2 (66.67%) SLA
2 1 (33.33%) Cisco
2 1 (33.33%) Statistics
2 1 (33.33%) Physics
2 1 (33.33%) Fault Management
2 1 (33.33%) Avaya
2 1 (33.33%) Change Management
2 1 (33.33%) Electronics

DWDM
Top Related 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 2 (66.67%) IP Telephony
1 2 (66.67%) WAN
General
1 2 (66.67%) Telecoms
2 1 (33.33%) Electronics
Job Titles
1 2 (66.67%) 2nd Line Engineer
2 1 (33.33%) Design Engineer
2 1 (33.33%) IT Engineer
2 1 (33.33%) RF Design Engineer
2 1 (33.33%) RF Engineer
Miscellaneous
1 1 (33.33%) Physics
1 1 (33.33%) Statistics
Processes & Methodologies
1 1 (33.33%) Change Management
1 1 (33.33%) Fault Management
Qualifications
1 2 (66.67%) CCNA
1 2 (66.67%) Cisco Certification
Quality Assurance & Compliance
1 2 (66.67%) SLA
Vendors
1 1 (33.33%) Avaya
1 1 (33.33%) Cisco