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Cyber Security Engineer

Job

Theori

Cambridge, MA (In Person)

Full-Time

Posted 1 day ago (Updated 1 hour ago) • Actively hiring

Expires 6/21/2026

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Job 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 and validation lifecycle for vulnerability reports generated by our AI-powered static analysis platform, separating true positives from noise, writing proof-of-concept exploits, and reporting vulnerabilities upstream to the appropriate vendor.

This is a deeply technical role built for someone who thinks like an attacker, thrives in ambiguous environments, and has a track record of finding and exploiting vulnerabilities.

What You'll DoTriage and validate vulnerability reports produced by our AI static analysis tool, verifying severity, exploitability, and business impactWrite proof-of-concept exploits for critical vulnerabilities to confirm true positivesAnalyze false positives to identify patterns and provide structured feedback to engineeringAuthor detailed vulnerability reports that will be submitted to upstream vendors and open source projectsWhat We're Looking ForExperience in a security engineering, vulnerability research, or penetration testing roleDemonstrated CTF experience through participation in competitive CTFs (e.g. DEFCON, PlaidCTF) with writeupsHands-on real-world vulnerability research and exploitation experience is preferredProficiency reading and auditing code across multiple programming languagesPrior bug bounty participation is preferredBased in US or Canada recblid ax8ihhxrs86kjawpbitzds3n33g9av Not Specified

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