IBM z/OS
South East > Thames Valley
The table below provides summary statistics and salary benchmarking for jobs advertised in the Thames Valley requiring zOS skills. It covers permanent job vacancies from the 6 months leading up to 6 May 2026, with comparisons to the same periods in the previous two years.
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6 months to 6 May 2026 |
Same period 2025 | Same period 2024 |
|---|---|---|---|
| Rank | 171 | - | - |
| Rank change year-on-year | - | - | - |
| Permanent jobs citing zOS | 1 | 0 | 0 |
| As % of all permanent jobs in the Thames Valley | 0.018% | - | - |
| As % of the Operating Systems category | 0.26% | - | - |
| Number of salaries quoted | 1 | 0 | 0 |
| 10th Percentile | - | - | - |
| 25th Percentile | £57,500 | - | - |
| Median annual salary (50th Percentile) | £60,000 | - | - |
| 75th Percentile | £62,500 | - | - |
| 90th Percentile | - | - | - |
| South East median annual salary | £60,000 | - | - |
All Operating Systems
Thames Valley
zOS falls under the Operating Systems category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring operating system skills in the Thames Valley.
| Permanent vacancies with a requirement for operating system skills | 382 | 418 | 984 |
| As % of all permanent jobs advertised in the Thames Valley | 6.75% | 12.67% | 15.16% |
| Number of salaries quoted | 298 | 303 | 875 |
| 10th Percentile | £30,000 | £27,500 | £26,250 |
| 25th Percentile | £31,531 | £34,000 | £34,000 |
| Median annual salary (50th Percentile) | £45,000 | £43,710 | £42,500 |
| Median % change year-on-year | +2.95% | +2.85% | - |
| 75th Percentile | £65,000 | £54,750 | £57,500 |
| 90th Percentile | £72,500 | £62,500 | £68,100 |
| South East median annual salary | £45,000 | £42,000 | £42,500 |
| % change year-on-year | +7.14% | -1.18% | - |
zOS
Job Vacancy Trend in the Thames Valley
Historical trend showing the proportion of permanent IT job postings citing zOS relative to all permanent IT jobs advertised in the Thames Valley.
zOS
Salary Trend in the Thames Valley
Salary distribution trend for jobs in the Thames Valley citing zOS.
zOS
Job Locations in the Thames Valley
The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing zOS within the Thames Valley region over the 6 months to 6 May 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 |
|---|---|---|---|---|---|
| Oxfordshire | - | 1 | £60,000 | - | 2 |
| zOS South East |
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zOS
Co-Occurring Skills & Capabilities in the Thames Valley by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:
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