Synchronous Digital Hierarchy (SDH) Hertfordshire> Hemel Hempstead
The table below provides summary statistics and contractor rates for jobs advertised in Hemel Hempstead requiring SDH skills. It covers contract job vacancies from the 6 months leading up to 5 October 2025, with comparisons to the same periods in the previous two years.
SDH falls under the Communications and Computer Networking category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring communications or computer networking skills in Hemel Hempstead.
Contract vacancies with a requirement for communications or computer networking skills
2
6
18
As % of all contract IT jobs advertised in Hemel Hempstead
9.09%
17.65%
16.98%
Number of daily rates quoted
1
3
14
10th Percentile
-
£570
£275
25th Percentile
£500
£581
£313
Median daily rate (50th Percentile)
£550
£600
£638
Median % change year-on-year
-8.33%
-5.88%
+2.00%
75th Percentile
£600
-
£888
90th Percentile
-
-
-
Hertfordshire median daily rate
£550
£550
£435
% change year-on-year
-
+26.44%
-3.33%
Number of hourly rates quoted
0
1
1
10th Percentile
-
-
-
25th Percentile
-
£71.25
£21.25
Median hourly rate
-
£72.50
£22.50
Median % change year-on-year
-
+222.22%
-
75th Percentile
-
£73.75
£23.75
90th Percentile
-
-
-
Hertfordshire median hourly rate
£65.00
£65.00
£65.00
SDH Job Vacancy Trend in Hemel Hempstead
Historical trend showing the proportion of contract IT job postings citing SDH relative to all contract IT jobs advertised in Hemel Hempstead.
SDH Daily Rate Trend in Hemel Hempstead
Contractor daily rate distribution trend for jobs in Hemel Hempstead citing SDH.
SDH Top 22 Co-Occurring Skills & Capabilities in Hemel Hempstead
For the 6 months to 5 October 2025, contractor job vacancies citing SDH also mentioned the following skills and capabilities in order of popularity.
The figures indicate the absolute number of co-occurrences and as a proportion of all contract job ads across the Hemel Hempstead region with a requirement for SDH.
SDH Co-Occurring Skills & Capabilities in Hemel Hempstead by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:
