The table below provides summary statistics and salary benchmarking for jobs advertised in Hertfordshire requiring CentOS skills. It covers permanent job vacancies from the 6 months leading up to 19 April 2026, with comparisons to the same periods in the previous two years.
|
|
6 months to
19 Apr 2026 |
Same period 2025 |
Same period 2024 |
| Rank |
104 |
81 |
- |
| Rank change year-on-year |
-23 |
- |
- |
| Permanent jobs citing CentOS |
1 |
1 |
0 |
| As % of all permanent jobs in Hertfordshire |
0.043% |
0.12% |
- |
| As % of the Operating Systems category |
0.72% |
0.73% |
- |
| Number of salaries quoted |
1 |
1 |
0 |
| 10th Percentile |
- |
- |
- |
| 25th Percentile |
£67,500 |
£46,750 |
- |
| Median annual salary (50th Percentile) |
£70,000 |
£48,500 |
- |
| Median % change year-on-year |
+44.33% |
- |
- |
| 75th Percentile |
£72,500 |
£50,250 |
- |
| 90th Percentile |
- |
- |
- |
| East of England median annual salary |
£70,000 |
£58,000 |
- |
| % change year-on-year |
+20.69% |
- |
- |
CentOS 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 Hertfordshire.
| Permanent vacancies with a requirement for operating system skills |
138 |
137 |
318 |
| As % of all permanent jobs advertised in Hertfordshire |
5.88% |
16.85% |
16.44% |
| Number of salaries quoted |
113 |
115 |
290 |
| 10th Percentile |
£29,350 |
£36,250 |
£25,000 |
| 25th Percentile |
£33,250 |
£42,000 |
£27,688 |
| Median annual salary (50th Percentile) |
£46,500 |
£55,000 |
£40,000 |
| Median % change year-on-year |
-15.45% |
+37.50% |
-19.60% |
| 75th Percentile |
£62,250 |
£60,500 |
£57,500 |
| 90th Percentile |
£75,000 |
£71,500 |
£66,375 |
| East of England median annual salary |
£42,000 |
£47,500 |
£38,000 |
| % change year-on-year |
-11.58% |
+25.00% |
-20.00% |
CentOS
Job Vacancy Trend in Hertfordshire
Historical trend showing the proportion of permanent IT job postings citing CentOS relative to all permanent IT jobs advertised in Hertfordshire.
CentOS
Salary Trend in Hertfordshire
Salary distribution trend for jobs in Hertfordshire citing CentOS.
CentOS
Co-Occurring Skills & Capabilities in Hertfordshire 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:
