GIAC Penetration Tester (GPEN)
England > London
The table below provides summary statistics for permanent job vacancies advertised in London with a requirement for GPEN qualifications. It includes a benchmarking guide to the salaries offered over the 6 months leading up to 14 February 2026, comparing them to the same period in the previous two years.
| 6 months to 14 Feb 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | 382 | 418 | 469 |
| Rank change year-on-year | +36 | +51 | +207 |
| Permanent jobs citing GPEN | 2 | 1 | 8 |
| As % of all permanent jobs in London | 0.013% | 0.007% | 0.038% |
| As % of the Qualifications category | 0.049% | 0.020% | 0.14% |
| Number of salaries quoted | 1 | 0 | 6 |
| 10th Percentile | - | - | - |
| 25th Percentile | £90,000 | - | £47,500 |
| Median annual salary (50th Percentile) | £95,000 | - | £57,500 |
| Median % change year-on-year | - | - | -36.11% |
| 75th Percentile | £100,000 | - | £67,500 |
| 90th Percentile | - | - | - |
| England median annual salary | £51,058 | - | £65,000 |
| % change year-on-year | - | - | -27.78% |
All Academic and Professional Certifications
London
GPEN falls under the Academic Qualifications and Professional Certifications category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring academic qualifications or professional certifications in London.
| Permanent vacancies requiring academic qualifications or professional certifications | 4,108 | 4,972 | 5,833 |
| As % of all permanent jobs advertised in London | 26.52% | 33.04% | 27.36% |
| Number of salaries quoted | 2,178 | 1,983 | 4,199 |
| 10th Percentile | £31,250 | £41,250 | £36,980 |
| 25th Percentile | £51,001 | £55,000 | £50,000 |
| Median annual salary (50th Percentile) | £70,000 | £70,000 | £70,000 |
| Median % change year-on-year | - | - | +3.70% |
| 75th Percentile | £90,000 | £92,500 | £88,750 |
| 90th Percentile | £118,750 | £118,750 | £110,000 |
| England median annual salary | £55,000 | £60,000 | £55,000 |
| % change year-on-year | -8.33% | +9.09% | -4.35% |
GPEN
Job Vacancy Trend in London
Historical trend showing the proportion of permanent IT job postings citing GPEN relative to all permanent IT jobs advertised in London.
GPEN
Salary Trend in London
Salary distribution trend for jobs in London citing GPEN.
GPEN
Job Locations in London
The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing GPEN within the London region over the 6 months to 14 February 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 | +24 | 2 | £95,000 | - | |
| GPEN England |
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GPEN
Co-Occurring Skills & Capabilities in London 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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