Synchronous Digital Hierarchy (SDH)
England > South East
The table below provides summary statistics for permanent job vacancies advertised in the South East requiring SDH skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited SDH over the 6 months leading up to 28 May 2025, comparing them to the same period in the previous two years.
| 6 months to 28 May 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | - | 395 | 395 |
| Rank change year-on-year | - | 0 | +86 |
| Permanent jobs citing SDH | 0 | 2 | 3 |
| As % of all permanent jobs advertised in the South East | - | 0.012% | 0.021% |
| As % of the Communications & Networking category | - | 0.072% | 0.12% |
| Number of salaries quoted | 0 | 2 | 0 |
| Median annual salary (50th Percentile) | - | £50,000 | - |
| England median annual salary | £67,000 | £40,000 | £80,000 |
| % change year-on-year | +67.50% | -50.00% | +60.00% |
All Communications and Computer Networking Skills
South East
SDH 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 the South East.
| Permanent vacancies with a requirement for communications or computer networking skills | 1,468 | 2,768 | 2,484 |
| As % of all permanent jobs advertised in the South East | 15.51% | 15.98% | 17.55% |
| Number of salaries quoted | 748 | 1,880 | 1,453 |
| 10th Percentile | £25,250 | £26,250 | £26,750 |
| 25th Percentile | £31,250 | £32,500 | £31,750 |
| Median annual salary (50th Percentile) | £46,000 | £47,500 | £45,000 |
| Median % change year-on-year | -3.16% | +5.56% | -5.26% |
| 75th Percentile | £60,000 | £60,000 | £62,500 |
| 90th Percentile | £75,375 | £70,000 | £75,000 |
| England median annual salary | £45,000 | £47,500 | £50,000 |
| % change year-on-year | -5.26% | -5.00% | -4.76% |
SDH
Job Vacancy Trend in the South East
Job postings citing SDH as a proportion of all IT jobs advertised in the South East.
SDH
Salary Trend in the South East
3-month moving average salary quoted in jobs citing SDH in the South East.