The table below looks at the prevalence of the term Mainframe in contract job vacancies in Welwyn Garden City. Included is a benchmarking guide to the contractor rates offered in vacancies that cited Mainframe over the 6 months leading up to 20 November 2025, comparing them to the same period in the previous two years.
Mainframe falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring generic IT skills in Welwyn Garden City.
Contract vacancies with a requirement for generic IT skills
13
19
18
As % of all contract IT jobs advertised in Welwyn Garden City
39.39%
48.72%
75.00%
Number of daily rates quoted
9
1
1
10th Percentile
£395
-
-
25th Percentile
£425
£263
£813
Median daily rate (50th Percentile)
£650
£275
£825
Median % change year-on-year
+136.36%
-66.67%
+50.00%
75th Percentile
£825
£288
£838
90th Percentile
£838
-
-
Hertfordshire median daily rate
£553
£475
£500
% change year-on-year
+16.42%
-5.00%
-9.09%
Number of hourly rates quoted
1
0
1
Median hourly rate
£17.29
-
£70.00
Median % change year-on-year
-
-
+27.27%
Hertfordshire median hourly rate
£63.50
£67.50
£65.00
% change year-on-year
-5.93%
+3.85%
-4.41%
Mainframe Job Vacancy Trend in Welwyn Garden City
Historical trend showing the proportion of contract IT job postings citing Mainframe relative to all contract IT jobs advertised in Welwyn Garden City.
Mainframe Daily Rate Trend in Welwyn Garden City
Contractor daily rate distribution trend for jobs in Welwyn Garden City citing Mainframe.
Mainframe Top 17 Co-Occurring Skills & Capabilities in Welwyn Garden City
For the 6 months to 20 November 2025, contractor job vacancies citing Mainframe 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 Welwyn Garden City region with a requirement for Mainframe.
Mainframe Co-Occurring Skills & Capabilities in Welwyn Garden City 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: