Senior Security Researcher - Microsoft Defender at Microsoft
Herzliya, Tel-Aviv District, Israel -
Full Time


Start Date

Immediate

Expiry Date

19 Feb, 26

Salary

0.0

Posted On

21 Nov, 25

Experience

10 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

Cybersecurity Research, Cloud Security, Endpoint Security, Identity-Based Threats, Threat Hunting, MITRE ATT&CK, Kill-Chain Methodologies, Collaboration, Communication, Data-Driven Approaches, Analytical Mindset, C, C++, Python, Rust

Industry

Software Development

Description
Proactively hunt across diverse signal sources — including on-premises, hybrid, and cloud environments Stay current with the latest cyberattack trends and design robust, sophisticated detection logic across the full attacker kill-chain. Build and implement innovative automated disruption capabilities that autonomously detect and mitigate attacks in real time. Collaborate with engineering and product teams to design security sensors, validate protection ideas, and measure effectiveness using data-driven approaches. Contribute to the broader security community by authoring technical blogs, sharing research findings, and presenting at leading security conferences. * You have at least 8+ years of hands-on experience in cybersecurity research, preferably in Cloud, endpoint or Identity-based threat scenarios. Familiarity with cloud environments (e.g., Azure, AWS) and understanding of security challenges in hybrid or multi-cloud infrastructures. Strong grasp of modern attacker techniques, including MITRE ATT&CK and full kill-chain methodologies. Experience in threat hunting across diverse signal sources (on-prem, hybrid, and cloud). * * BS or higher degree preferred Excellent collaboration and communication skills, with experience working in cross-functional, global teams. Curious, analytical mindset with the ability to thrive in ambiguous and evolving threat landscapes. Coding proficiency in at least one of the following: C, C++, C, Python, or Rust.
Responsibilities
Proactively hunt across diverse signal sources and design robust detection logic across the full attacker kill-chain. Collaborate with engineering and product teams to design security sensors and contribute to the broader security community.
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