IBM AS/400
England > London
The table below looks at the prevalence of the term AS400 in permanent job vacancies in London. Included is a benchmarking guide to the salaries offered in vacancies that cited AS400 over the 6 months leading up to 7 June 2025, comparing them to the same period in the previous two years.
| 6 months to 7 Jun 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 396 | 507 | 552 |
| Rank change year-on-year | +111 | +45 | +324 |
| Permanent jobs citing AS400 | 3 | 8 | 56 |
| As % of all permanent jobs advertised in London | 0.024% | 0.033% | 0.18% |
| As % of the Miscellaneous category | 0.053% | 0.082% | 0.38% |
| Number of salaries quoted | 1 | 8 | 49 |
| 10th Percentile | - | - | £50,000 |
| 25th Percentile | £82,500 | £62,500 | £52,500 |
| Median annual salary (50th Percentile) | £85,000 | £65,000 | £55,000 |
| Median % change year-on-year | +30.77% | +18.18% | +10.00% |
| 75th Percentile | £87,500 | £67,500 | £63,750 |
| 90th Percentile | - | - | £67,000 |
| England median annual salary | £85,000 | £53,500 | £55,000 |
| % change year-on-year | +58.88% | -2.73% | -4.35% |
All Generic Skills
London
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 London.
| Permanent vacancies with a requirement for generic IT skills | 5,676 | 9,791 | 14,579 |
| As % of all permanent jobs advertised in London | 44.49% | 40.10% | 46.02% |
| Number of salaries quoted | 3,024 | 6,828 | 10,076 |
| 10th Percentile | £41,250 | £37,500 | £43,750 |
| 25th Percentile | £56,250 | £51,250 | £56,250 |
| Median annual salary (50th Percentile) | £80,000 | £75,000 | £77,500 |
| Median % change year-on-year | +6.67% | -3.23% | +3.33% |
| 75th Percentile | £110,000 | £100,000 | £100,000 |
| 90th Percentile | £136,250 | £130,000 | £125,000 |
| England median annual salary | £60,000 | £55,000 | £65,000 |
| % change year-on-year | +9.09% | -15.38% | +4.00% |
AS400
Job Vacancy Trend in London
Job postings citing AS400 as a proportion of all IT jobs advertised in London.
AS400
Salary Trend in London
3-month moving average salary quoted in jobs citing AS400 in London.
AS400
Co-occurring Skills and Capabilities in London 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: