Back to jobsJob overview

About the role

Principal Security Researcher at Microsoft

Required Skills

cybersecuritymachine learninglarge language modelspythondata sciencesecurity researchautomation systemsincident management

About the Role

Principal Security Researcher role at Microsoft focusing on cybersecurity protection through machine learning and automation. Investigates attacks, develops detection strategies, and builds ML/LLM systems for Microsoft Defender for Endpoint. Requires expertise in security research, coding, and mentoring.

Key Responsibilities

  • Investigate cybersecurity attacks to develop detection/prevention solutions
  • Design and code client-side and cloud ML/automation systems
  • Apply large language models and agentic systems for customer protection
  • Support incident management and participate in root-cause analysis
  • Collaborate with internal/external teams to improve partnerships

Required Skills & Qualifications

Must Have:

  • Doctorate in Statistics, Mathematics, Computer Science or related field OR 7+ years experience in software development, computing, modeling, cybersecurity
  • 2+ years of coding experience
  • 1+ years experience with language models or machine learning
  • Ability to pass Microsoft security screening requirements

Nice to Have:

  • Doctorate in Statistics, Mathematics, Computer Science or related field OR 8+ years experience
  • 1+ years experience with OS internals, hypervisors, and cloud security architectures
  • Experience in classical and deep learning machine learning methods

Benefits & Perks

  • Industry leading healthcare