Principal Security Researcher Jobs

Huntress seeks a Principal macOS Security Researcher to lead product research, reverse engineer malware, and prototype Endpoint Security telemetry. Requires deep macOS internals expertise and Swift skills. Remote, $215k-$225k plus equity.

Palo Alto Networks seeks a Principal Security Researcher (Decoder) in Santa Clara, CA. You will research network protocols, develop decoders in Go, and build defenses against evasions. Requires 5+ years experience, strong Go skills, and deep knowledge of L4-7 protocols like HTTP/TLS. Join a top c...

Principal Security Researcher role at Palo Alto Networks, shaping Advanced Threat Prevention (ATP) detection. Drive innovative ideas from concept to production, leading vulnerability research, exploit analysis, and IPS/IPS signature development. Based in Santa Clara, CA, this hands-on leadership ...

Join Microsoft’s elite Purple Team as a Principal Security Researcher in Redmond, WA. You will design and execute advanced adversary simulations across endpoint, identity, and cloud surfaces to enhance detection coverage. Leverage deep expertise in cybersecurity, threat analysis, and frameworks l...

Join Microsoft’s MTP-R Purple Team as a Principal Security Researcher in Redmond, WA. Lead AI-driven adversary simulations, develop advanced offensive tooling (C2, implants), and research evasion tactics across endpoint, cloud, and identity. Requires a PhD/ Master’s in CS or Security with deep re...

Join Palo Alto Networks' elite Xpanse team as a Principal Security Researcher. Drive groundbreaking vulnerability research, engineer exploits, and build high-impact tooling in Santa Clara. Requires 5+ years in offensive security, Python proficiency, and deep OS/network knowledge. Enjoy RSUs, bonu...