Integrated Service Digital Network (ISDN)
UK > England
The table below provides summary statistics for permanent job vacancies advertised in England requiring ISDN skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited ISDN over the 6 months leading up to 12 May 2025, comparing them to the same period in the previous two years.
| 6 months to 12 May 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 685 | 811 | 864 |
| Rank change year-on-year | +126 | +53 | +245 |
| Permanent jobs citing ISDN | 6 | 29 | 55 |
| As % of all permanent jobs advertised in England | 0.012% | 0.034% | 0.061% |
| As % of the Communications & Networking category | 0.079% | 0.24% | 0.39% |
| Number of salaries quoted | 6 | 3 | 38 |
| 10th Percentile | £77,500 | £55,400 | £28,800 |
| 25th Percentile | £92,500 | £60,875 | £36,250 |
| Median annual salary (50th Percentile) | £95,000 | £70,000 | £49,500 |
| Median % change year-on-year | +35.71% | +41.41% | +13.79% |
| 75th Percentile | £97,500 | - | £55,675 |
| 90th Percentile | - | - | £69,375 |
| UK median annual salary | £95,000 | £70,000 | £49,500 |
| % change year-on-year | +35.71% | +41.41% | +23.75% |
All Communications and Computer Networking Skills
England
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 England.
| Permanent vacancies with a requirement for communications or computer networking skills | 7,590 | 12,093 | 14,087 |
| As % of all permanent jobs advertised in England | 15.55% | 14.08% | 15.68% |
| Number of salaries quoted | 3,736 | 8,543 | 7,265 |
| 10th Percentile | £25,087 | £26,250 | £27,750 |
| 25th Percentile | £31,250 | £32,500 | £35,017 |
| Median annual salary (50th Percentile) | £47,500 | £47,500 | £50,000 |
| Median % change year-on-year | - | -5.00% | -4.76% |
| 75th Percentile | £67,500 | £62,500 | £70,000 |
| 90th Percentile | £85,000 | £77,500 | £87,500 |
| UK median annual salary | £45,000 | £47,500 | £50,000 |
| % change year-on-year | -5.26% | -5.00% | -4.76% |
ISDN
Job Vacancy Trend in England
Job postings citing ISDN as a proportion of all IT jobs advertised in England.
ISDN
Salary Trend in England
3-month moving average salary quoted in jobs citing ISDN in England.
ISDN
Salary Histogram in England
Salary distribution for jobs citing ISDN in England over the 6 months to 12 May 2025.
ISDN
Job Locations in England
The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ISDN within the England region over the 6 months to 12 May 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.
| Location | Rank Change on Same Period Last Year |
Matching Permanent IT Job Ads |
Median Salary Past 6 Months |
Median Salary % Change on Same Period Last Year |
Live Jobs |
|---|---|---|---|---|---|
| London | +115 | 5 | £95,000 | +35.71% | 1 |
| East of England | - | 1 | £65,000 | - | 3 |
| ISDN UK |
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ISDN
Co-occurring Skills and Capabilities in England 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:
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