Principal Security Researcher - Microsoft Defender
Core
Conduct low-level and high-level research on attacker techniques, security mechanisms, and telemetry data analysis to build AI-driven agentic workflows and develop cutting-edge detection sensors.
Role type
Principal Security Researcher (AI/ML focus)
Builds
AI-for-Research-Productivity and AI-in-Production agentic workflows, discovery & detection logics, and new security posture insights
Domain
Cybersecurity, Threat Intelligence, AI/ML
Deliverable
production ML models | product features
Required skills
Security research, C++, C#, Java, Python, Data analysis, AI/ML workflow development, Feature lifecycle management (design to production), Cross-team collaboration
Preferred skills
B.Sc. or M.Sc. degree
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