Integrated Service Digital Network (ISDN)
UK > Northern Ireland
The table below provides summary statistics and salary benchmarking for jobs advertised in Northern Ireland requiring ISDN skills. It covers permanent job vacancies from the 6 months leading up to 14 January 2026, with comparisons to the same periods in the previous two years.
| 6 months to 14 Jan 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | - | - | 46 |
| Rank change year-on-year | - | - | - |
| Permanent jobs citing ISDN | 0 | 0 | 1 |
| As % of all permanent jobs in Northern Ireland | - | - | 0.30% |
| As % of the Communications & Networking category | - | - | 1.61% |
| Number of salaries quoted | 0 | 0 | 1 |
| 10th Percentile | - | - | - |
| 25th Percentile | - | - | £46,250 |
| Median annual salary (50th Percentile) | - | - | £47,500 |
| 75th Percentile | - | - | £48,750 |
| 90th Percentile | - | - | - |
| UK median annual salary | £30,000 | £90,000 | £42,500 |
| % change year-on-year | -66.67% | +111.76% | +13.33% |
All Communications and Computer Networking Skills
Northern Ireland
ISDN falls under the Communications and Computer Networking category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring communications or computer networking skills in Northern Ireland.
| Permanent vacancies with a requirement for communications or computer networking skills | 61 | 45 | 62 |
| As % of all permanent jobs advertised in Northern Ireland | 12.03% | 11.36% | 18.79% |
| Number of salaries quoted | 36 | 8 | 52 |
| 10th Percentile | £30,750 | £34,520 | £31,250 |
| 25th Percentile | £34,219 | £47,938 | £32,500 |
| Median annual salary (50th Percentile) | £44,077 | £64,654 | £42,500 |
| Median % change year-on-year | -31.83% | +52.13% | -3.41% |
| 75th Percentile | £65,000 | £77,483 | £62,813 |
| 90th Percentile | £70,000 | £87,500 | £69,800 |
| UK median annual salary | £38,500 | £55,000 | £50,000 |
| % change year-on-year | -30.00% | +10.00% | -4.76% |
ISDN
Job Vacancy Trend in Northern Ireland
Historical trend showing the proportion of permanent IT job postings citing ISDN relative to all permanent IT jobs advertised in Northern Ireland.
ISDN
Salary Trend in Northern Ireland
Salary distribution trend for jobs in Northern Ireland citing ISDN.
