Microsoft Internet Security and Acceleration Server
UK > England
The table below provides summary statistics and salary benchmarking for jobs advertised in England requiring ISA Server skills. It covers permanent job vacancies from the 6 months leading up to 22 April 2026, with comparisons to the same periods in the previous two years.
| 6 months to 22 Apr 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | - | 601 | - |
| Rank change year-on-year | - | - | - |
| Permanent jobs citing ISA Server | 0 | 1 | 0 |
| As % of all permanent jobs in England | - | 0.003% | - |
| As % of the System Software category | - | 0.020% | - |
| Number of salaries quoted | 0 | 1 | 0 |
| Median annual salary (50th Percentile) | - | £55,000 | - |
| UK median annual salary | - | £55,000 | - |
All System Software Skills
England
ISA Server falls under the System Software category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring system software skills in England.
| Permanent vacancies with a requirement for system software skills | 4,196 | 5,078 | 10,862 |
| As % of all permanent jobs advertised in England | 5.38% | 13.55% | 13.18% |
| Number of salaries quoted | 3,037 | 3,657 | 8,940 |
| 10th Percentile | £28,482 | £28,250 | £26,250 |
| 25th Percentile | £33,500 | £36,250 | £32,500 |
| Median annual salary (50th Percentile) | £52,500 | £55,000 | £50,000 |
| Median % change year-on-year | -4.55% | +10.00% | -9.09% |
| 75th Percentile | £73,750 | £80,000 | £67,500 |
| 90th Percentile | £92,500 | £100,000 | £87,500 |
| UK median annual salary | £52,500 | £55,000 | £50,000 |
| % change year-on-year | -4.55% | +10.00% | -9.09% |
ISA Server
Job Vacancy Trend in England
Historical trend showing the proportion of permanent IT job postings citing ISA Server relative to all permanent IT jobs advertised in England.
ISA Server
Salary Trend in England
Salary distribution trend for jobs in England citing ISA Server.
