Full-time Posted June 11, 2026
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Job Description

Cyber security engineer responsible for triaging and validating vulnerability reports with world class hackers.

About Theori

Founded in 2016 by Carnegie Mellon University alumni, Theori is a leader in offensive cybersecurity. Our hackers have won DEFCON CTF nine times, and the core engine behind our products was built for DARPA's AI cyber security competition. We're applying that expertise to Xint, an AI-first application security platform spanning Xint Web (autonomous web app penetration testing) and Xint Code (AI-powered code security). Xint has already found hundreds of zero-days in widely used open source projects and is in production with customers like Samsung Electronics, giving security teams hacker-grade testing without hiring an army of pentesters.

Description

We're looking for a hands-on Cyber Security Engineer to sit at the intersection of AI-driven tooling and real-world security research. In this role, you'll own the end-to-end triage an...

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