Principal Security Researcher Jobs (Hybrid work)

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...