Mainframes
Central London > City of London
The table below looks at the prevalence of the term Mainframe in permanent job vacancies in the City of London. Included is a benchmarking guide to the salaries offered in vacancies that cited Mainframe over the 6 months leading up to 29 May 2025, comparing them to the same period in the previous two years.
| 6 months to 29 May 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | - | 179 | 221 |
| Rank change year-on-year | - | +42 | +62 |
| Permanent jobs citing Mainframe | 0 | 1 | 4 |
| As % of all permanent jobs advertised in the City of London | - | 0.030% | 0.088% |
| As % of the Miscellaneous category | - | 0.087% | 0.22% |
| Number of salaries quoted | 0 | 1 | 3 |
| 10th Percentile | - | - | - |
| 25th Percentile | - | £107,500 | £77,500 |
| Median annual salary (50th Percentile) | - | £115,000 | £80,000 |
| Median % change year-on-year | - | +43.75% | -11.11% |
| 75th Percentile | - | £122,500 | £82,500 |
| 90th Percentile | - | - | - |
| Central London median annual salary | £65,000 | £115,000 | £80,000 |
| % change year-on-year | -43.48% | +43.75% | -11.11% |
All Generic Skills
City of London
Mainframe 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 the City of London.
| Permanent vacancies with a requirement for generic IT skills | 788 | 1,147 | 1,854 |
| As % of all permanent jobs advertised in the City of London | 41.11% | 34.29% | 40.95% |
| Number of salaries quoted | 588 | 874 | 1,546 |
| 10th Percentile | £42,500 | £41,075 | £43,162 |
| 25th Percentile | £53,438 | £51,250 | £58,750 |
| Median annual salary (50th Percentile) | £75,000 | £72,500 | £77,500 |
| Median % change year-on-year | +3.45% | -6.45% | - |
| 75th Percentile | £103,000 | £97,500 | £105,000 |
| 90th Percentile | £145,000 | £117,500 | £120,000 |
| Central London median annual salary | £75,000 | £72,500 | £77,500 |
| % change year-on-year | +3.45% | -6.45% | +3.33% |
Mainframe
Job Vacancy Trend in the City of London
Job postings citing Mainframe as a proportion of all IT jobs advertised in the City of London.
Mainframe
Salary Trend in the City of London
3-month moving average salary quoted in jobs citing Mainframe in the City of London.