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AI Security Researcher Expert

Microsoft· Security Research
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Hybrid (Israel, Multiple Locations), Beer-Sheva, Haifa, Nazareth, Tel Aviv, Herzliyafull-timePosted 1w ago

About the role

Principal Security Researcher lead for Project Perception within Microsoft Defender Research, driving end-to-end research from problem framing to production-ready agent design and customer-facing experiences, applying AI in security and mentoring a team of researchers.

Responsibilities

  • Lead security research for agents within Project Perception, from defining high-impact problems and research methodology through agent design, rigorous evaluation, production readiness, and customer-facing experiences.
  • Set the research strategy and align partner teams across the organization. Translate research priorities into clear requirements and experiments, use evidence to influence roadmap decisions, and communicate strategy, findings, and recommendations to senior stakeholders.
  • Drive research outcomes into production and customer-facing experiences. Partner with engineering, data science, and product teams to define success criteria, validate quality and safety, establish production readiness, measure customer impact, and iterate based on real-world performance.
  • Analyze large-scale data and conduct investigations to improve the quality and effectiveness of Project Perception agents, building on and contributing to Microsoft Defender’s protection knowledge layer.
  • Apply and champion AI in security research, using current models, agentic architectures, coding agents, and tooling to accelerate triage, investigation, and detection and increase researcher productivity. Validate AI outputs and develop reusable workflows.
  • Mentor and grow researchers, elevating the team’s technical bar.

Qualifications

  • You have at least 10+ years of experience in security research or a closely related cybersecurity research role.
  • Strong, evidence-backed adoption of AI in technical work. Regularly use and develop AI skills, coding agents, agentic tools, or AI-assisted workflows, while evaluating and validating outputs.
  • Deep expertise in security research and modern attacker tradecraft, with the ability to conduct complex investigations and translate security knowledge into reliable agent and protection outcomes.
  • Experience leading technical work from research and design through production delivery, partnering with engineering and product teams, and influencing roadmaps and senior stakeholders across organizational boundaries.
  • Proficiency in programming, such as Python or C#, and large-scale query languages, such as KQL or SQL, with experience analyzing security data and developing or validating research and protection capabilities.
  • Demonstrated technical leadership through mentoring researchers, raising the quality bar, and communicating complex findings clearly.

Skills

Required:Security research leadershipAI in securityProgramming (Python or C#)Query languages (KQL/SQL)Stakeholder communicationMentoring
Last updated Oct 16, 2026. Interested? Apply on the company site.

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