Security Researcher II / Senior Security Researcher

We are currently hiring for multiple Security Research positions across our Microsoft Defender Research teams in Israel. By applying to this unified pipeline, you will be considered for a high-impact role (at either the Security Researcher II or Senior Security Researcher role) within one of our specialized groups, including Autonomous Attack Disruption, Cloud Workload Protection, Identity Research, Posture Research, or Security for AI.

We are looking for passionate, highly skilled security researchers who thrive on the challenge of breaking complex attacker kill-chains. Leveraging Microsofts dominant market position and the worlds most massive telemetry set, you will have a direct, tangible impact on the security of the global economy. We are looking for researchers who want to see their findings transformed into production-ready protection, where the ultimate goal is not just to detect threats, but to prevent and stop them in near real-time.

Responsibilities
Investigate real worl

דרישות:

Qualifications

You have at least 4+ years of hands-on experience in security research or threat hunting, with a specialized focus on identity, cloud, or AI-based threat scenarios.

Deep understanding of the threat landscape, including modern attacker techniques, AI-driven threats, and complex kill-chains, with a focus on platform internals across OS, Cloud Workloads and Identity platforms.

Proven ability to reason over large-scale datasets using big-data query languages, applying security expertise to identify novel patterns and make evidence-based decisions.

Familiarity with cloud environments (e.g., Azure, AWS) and the specific security challenges inherent to hybrid and multi-cloud infrastructures in large enterprise customers.

Experience hunting across diverse signal sources, effectively uncovering threats within on-premises, hybrid, and cloud environments.

Preferred Qualifications

B.Sc. or M.Sc. in Computer Science, Software Engineering, or a related field, or equiva