Mainframes
East of England > Hertfordshire
The table below looks at the prevalence of the term Mainframe in permanent job vacancies in Hertfordshire. Included is a benchmarking guide to the salaries 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.
| 6 months to 20 Nov 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | - | - | 69 |
| Rank change year-on-year | - | - | +67 |
| Permanent jobs citing Mainframe | 0 | 0 | 3 |
| As % of all permanent jobs in Hertfordshire | - | - | 0.43% |
| As % of the Miscellaneous category | - | - | 1.30% |
| Number of salaries quoted | 0 | 0 | 3 |
| 10th Percentile | - | - | £24,160 |
| 25th Percentile | - | - | £25,900 |
| Median annual salary (50th Percentile) | - | - | £28,800 |
| 75th Percentile | - | - | £46,800 |
| 90th Percentile | - | - | £57,600 |
| East of England median annual salary | - | - | £28,800 |
| % change year-on-year | - | - | -51.19% |
All Generic Skills
Hertfordshire
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 Hertfordshire.
| Permanent vacancies with a requirement for generic IT skills | 425 | 573 | 230 |
| As % of all permanent jobs advertised in Hertfordshire | 35.54% | 39.41% | 32.95% |
| Number of salaries quoted | 209 | 233 | 178 |
| 10th Percentile | £28,000 | £35,000 | £31,250 |
| 25th Percentile | £32,500 | £50,000 | £36,688 |
| Median annual salary (50th Percentile) | £47,500 | £65,000 | £52,500 |
| Median % change year-on-year | -26.92% | +23.81% | +2.19% |
| 75th Percentile | £58,750 | £76,000 | £66,875 |
| 90th Percentile | £79,000 | £89,500 | £80,000 |
| East of England median annual salary | £47,500 | £55,000 | £52,500 |
| % change year-on-year | -13.64% | +4.76% | - |
Mainframe
Job Vacancy Trend in Hertfordshire
Historical trend showing the proportion of permanent IT job postings citing Mainframe relative to all permanent IT jobs advertised in Hertfordshire.
Mainframe
Salary Trend in Hertfordshire
Salary distribution trend for jobs in Hertfordshire citing Mainframe.
