The table below provides summary statistics for remote or hybrid contract work requiring OS/400 skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited OS/400 over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.
OS/400 falls under the Operating Systems category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies with remote or hybrid options requiring operating system skills.
Contract vacancies with a requirement for operating system skills
1,177
1,597
3,543
As % of all contract jobs with a WFH option
11.88%
10.41%
13.70%
Number of daily rates quoted
792
1,113
2,503
10th Percentile
£288
£218
£250
25th Percentile
£388
£350
£408
Median daily rate (50th Percentile)
£500
£475
£520
Median % change year-on-year
+5.26%
-8.65%
+4.00%
75th Percentile
£581
£588
£625
90th Percentile
£675
£680
£718
UK median daily rate
£475
£469
£505
% change year-on-year
+1.28%
-7.13%
+1.00%
Number of hourly rates quoted
34
49
101
10th Percentile
£14.20
£13.15
£19.00
25th Percentile
£32.19
£14.27
£40.00
Median hourly rate
£62.50
£18.30
£57.50
Median % change year-on-year
+241.53%
-68.17%
+35.29%
75th Percentile
£68.00
£65.00
£70.00
90th Percentile
£68.53
£73.50
£75.00
UK median hourly rate
£24.18
£22.00
£39.30
% change year-on-year
+9.91%
-44.02%
+74.67%
OS/400 Trend for Jobs with a WFH Option
Job vacancies with remote working options citing OS/400 as a proportion of all IT jobs advertised.
OS/400 Daily Rate Trend for Jobs with a WFH Option
3-month moving average daily rate quoted in job vacancies with remote working options citing OS/400.
OS/400 Top 6 Co-occurring Skills and Capabilities in Job Vacancies with WFH Options
For the 6 months to 1 May 2025, contractor job vacancies citing OS/400 also mentioned the following skills in order of popularity.
The figures indicate the absolute number co-occurrences and as a proportion of all contract jobs with a WFH option and a requirement for OS/400.
OS/400 Co-occurring Skills and Capabilities with WFH Options 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:
