Legacy Systems Job Trends in London
Legacy System
England > London
The table below looks at the prevalence of the term Legacy Systems in permanent job vacancies in London. Included is a benchmarking guide to the salaries offered in vacancies that cited Legacy Systems over the 6 months leading up to 17 October 2026, comparing them to the same period in the previous two years.
| 6 months to 17 Oct 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | 270 | 204 | 334 |
| Rank change year-on-year | -66 | +130 | +19 |
| Permanent jobs citing Legacy Systems | 186 | 197 | 102 |
| As % of all permanent jobs in London | 0.71% | 1.68% | 0.58% |
| As % of the Miscellaneous category | 2.09% | 3.62% | 1.42% |
| Number of salaries quoted | 122 | 91 | 72 |
| 10th Percentile | £50,625 | £52,500 | £40,250 |
| 25th Percentile | £66,750 | £56,250 | £48,750 |
| Median annual salary (50th Percentile) | £82,500 | £75,000 | £73,750 |
| Median % change year-on-year | +10.00% | +1.69% | -13.24% |
| 75th Percentile | £91,250 | £88,750 | £125,938 |
| 90th Percentile | £120,000 | £98,000 | £160,500 |
| England median annual salary | £68,500 | £66,750 | £52,750 |
| % change year-on-year | +2.62% | +26.54% | -18.85% |
All Generic Skills
London
Legacy Systems 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 London.
| 6 months to 17 Oct 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Permanent vacancies with a requirement for generic IT skills | 8,904 | 5,437 | 7,184 |
| As % of all permanent jobs advertised in London | 33.89% | 46.43% | 40.59% |
| Number of salaries quoted | 5,248 | 3,239 | 4,193 |
| 10th Percentile | £40,000 | £36,250 | £45,000 |
| 25th Percentile | £52,500 | £52,250 | £56,250 |
| Median annual salary (50th Percentile) | £75,000 | £77,217 | £80,000 |
| Median % change year-on-year | -2.87% | -3.48% | +3.23% |
| 75th Percentile | £100,000 | £105,000 | £108,750 |
| 90th Percentile | £115,000 | £135,000 | £137,500 |
| England median annual salary | £55,000 | £55,000 | £60,000 |
| % change year-on-year | - | -8.33% | -4.00% |
Legacy Systems Job Vacancy Trend in London
Historical trend showing the proportion of permanent IT job postings citing Legacy Systems relative to all permanent IT jobs advertised in London.
Legacy Systems Salary Trend in London
Salary distribution trend for jobs in London citing Legacy Systems.
Legacy Systems Salary Histogram in London
Salary distribution for jobs citing Legacy Systems in London over the 6 months to 17 October 2026.
Legacy Systems Job Locations in London
The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Legacy Systems within the London region over the 6 months to 17 October 2026. 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 |
|---|---|---|---|---|---|
| Central London | +9 | 22 | £82,500 | +24.53% | 24 |
| West London | -8 | 18 | £80,000 | - | 4 |
| South London | -2 | 4 | £82,500 | - | |
| Legacy Systems England |
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Legacy Systems Co-Occurring Skills & Capabilities in London by Category
The table below expands on the one above by listing co-occurrences one category at a time. It covers the same employment type, locality and period, with up to 20 co-occurrences in each category.
Miscellaneous
| Rank | Skill | Share | Job Ads |
|---|---|---|---|
| 1 | Cloud Native | 12.4% | 23 |
| 2 | Onboarding | 10.8% | 20 |
| 3 | Data Centre | 9.7% | 18 |
| 3 | iSeries | 9.7% | 18 |
| 5 | Enterprise Cloud | 9.1% | 17 |
| 6 | Mainframe | 8.1% | 15 |
| 7 | Distributed Computing | 7.5% | 14 |
| 8 | Data Structures | 5.9% | 11 |
| 9 | EPoS | 5.4% | 10 |
| 9 | Greenfield Project | 5.4% | 10 |
| 11 | AS400 | 4.8% | 9 |
| 12 | Enterprise Software | 4.3% | 8 |
| 12 | Management Information System | 4.3% | 8 |
| 14 | AI Agents | 3.8% | 7 |
| 15 | Distributed Systems | 3.2% | 6 |
| 15 | Operational Technology | 3.2% | 6 |
| 15 | Reinsurance | 3.2% | 6 |
| 15 | Virtual Team | 3.2% | 6 |
| 19 | Distributed Architecture | 2.7% | 5 |
| 19 | Security Posture | 2.7% | 5 |