Senior Threat Hunting Researcher (Unit 42)

we are seeking a Senior Threat Hunting Researcher for Unit 42s Managed Services group, a senior hands-on role combining threat hunting, detection engineering, and incident investigation experience. You will proactively hunt across diverse telemetry to identify suspicious behaviors and emerging threats that evade traditional security. A key part of the role is translating low-fidelity signals into high-fidelity hunting logic and reusable detection opportunities. You will collaborate with multiple teams to share findings, explain coverage, and support response and improvement efforts.
Key Responsibilities
Proactively hunt for suspicious behaviors, malware activity, threat actor tradecraft, and emerging campaign patterns across large-scale customer telemetry.
Build, validate, and tune hunting and detection logic across multiple data sources and security products.
Translate low-fidelity signals, alerts, incidents, and coverage gaps into high-fidelity hunting content and reusable detection

דרישות:

6+ years of hands-on cybersecurity experience across threat hunting, incident response, detection development, security research, SOC, or related security operations.
Strong understanding of attacker tradecraft, threat hunting methodologies, incident investigation workflows, and behavior-based detection concepts.
Hands-on experience with XDR, EDR, SIEM, cloud, identity, or similar security platforms, including alert investigation, telemetry analysis, and detection validation.
Proven experience writing complex hunting, detection, or correlation logic using XQL, SQL, KQL, SPL, or similar query languages.
Ability to translate low-fidelity signals, alerts, incidents, threat intelligence, and coverage gaps into high-fidelity hunting logic and reusable detection opportunities.
Experience creating, tuning, or validating hunting and detection content, including scheduled queries, analytics rules, BIOCs, correlation rules, or similar detection logic.
Strong understanding of detection quality c