Penetration Tester: Systems & Cloud Security

Company: Paragon Alpha – Hedge Fund Talent Business
Apply for the Penetration Tester: Systems & Cloud Security
Location: London
Job Description:

Paragon Alpha – Hedge Fund Talent Business is seeking an experienced Penetration Tester to join their internal security team. In this role, you will be tasked with attacking real systems in a global quantitative investment firm, working across various environments including web applications, cloud, and networks.

The ideal candidate must be comfortable with penetration testing, able to communicate well with technical teams, and possess a genuine curiosity about system vulnerabilities. This position offers the opportunity to work on interesting security challenges every day while collaborating with highly skilled teams.

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Posted: June 13th, 2026