The table below looks at the prevalence of the term AS400 in permanent job vacancies in Hertfordshire. Included is a benchmarking guide to the salaries offered in vacancies that cited AS400 over the 6 months leading up to 20 May 2025, comparing them to the same period in the previous two years.
6 months to 20 May 2025
Same period 2024
Same period 2023
Rank
81
117
131
Rank change year-on-year
+36
+14
-6
Permanent jobs citing AS400
4
2
2
As % of all permanent jobs advertised in Hertfordshire
AS400 falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring generic IT skills in Hertfordshire.
Permanent vacancies with a requirement for generic IT skills
345
647
904
As % of all permanent jobs advertised in Hertfordshire
40.54%
32.45%
50.31%
Number of salaries quoted
149
508
304
10th Percentile
£31,250
£25,809
£31,250
25th Percentile
£42,000
£30,188
£44,375
Median annual salary (50th Percentile)
£57,500
£50,000
£57,500
Median % change year-on-year
+15.00%
-13.04%
+4.55%
75th Percentile
£67,500
£65,000
£67,500
90th Percentile
£80,000
£81,250
£76,250
East of England median annual salary
£54,000
£50,000
£55,000
% change year-on-year
+8.00%
-9.09%
+10.00%
AS400 Job Vacancy Trend in Hertfordshire
Job postings citing AS400 as a proportion of all IT jobs advertised in Hertfordshire.
AS400 Salary Trend in Hertfordshire
3-month moving average salary quoted in jobs citing AS400 in Hertfordshire.
AS400 Top 5 Co-occurring Skills and Capabilities in Hertfordshire
For the 6 months to 20 May 2025, job vacancies citing AS400 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 AS400.
AS400 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:
