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Principal/Senior Security Researcher - Virtualization (Cortex)

Israel, Tel Aviv Employment contract · Job Posted May 04, 2026
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Job Description

Are you an innovative security researcher with a deep understanding of the cyber threat landscape and a passion for protecting modern environments? Do you want to tackle the challenge of securing enterprise networks against evolving threats? We are seeking a highly skilled professional to focus on the critical, fast-paced domain of Virtualization Security. As a foundational member of a newly formed and growing team, you will explore the 'blue ocean' of threat detection, pioneering next-generation capabilities within the world’s largest cybersecurity enterprise. This is a unique opportunity to apply your expertise and influence the future of threat prevention—helping us build cutting-edge security solutions from the ground up.

Job Responsibility

  • Conduct deep research into virtualization technologies, and targeted attacks to fortify our attack prevention mechanisms
  • Stay current with the latest attacker methodologies, APT campaigns, and Tactics, Techniques, and Procedures (TTPs) targeting virtualization systems
  • Analyze emerging threats and malware to identify new techniques and formulate effective detection and prevention strategies
  • Leverage AI and big data methodologies to investigate and analyze extensive datasets across our customer base
  • Design cutting-edge protection components and develop sophisticated detection rules to enhance the effectiveness of our security solutions
  • Drive the research and development of novel protection concepts, seeing them through to production-grade quality, and serve as a subject matter expert in the field
  • Play a pivotal role in shaping the future of our security product offerings
  • Collaborate closely with Engineering, Product Management, and other research teams to seamlessly translate research findings and insights into new production features

Requirements

  • 5+ years of experience in cybersecurity research, with a proven track record of impactful projects
  • Hands-on experience in real-world threat hunting, incident response, or detection engineering
  • Solid knowledge of the cyber threat landscape, modern malware techniques, and APTs
  • Proficiency in programming languages such as Python, Go, Java, or other relevant languages
  • Strong understanding of OS internals (Windows, Linux, and macOS, for example)
  • Excellent problem-solving skills and a passion for cybersecurity innovation
  • Ability to work independently, take initiative, and collaborate effectively in a team environment

Nice to have

  • Experience with virtualization platforms or understanding of virtualization-related attacks (e.g., focused on ESXi/vCenter)
  • Proven background in security solution development, particularly within the EDR/XDR space
  • Proficiency in reverse engineering, including practical experience with disassembly and debugging tools
  • Demonstrated experience utilizing advanced techniques like statistics, machine learning, or complex data analysis for security-related applications
  • Experience with vulnerability research or development within the Linux environment
  • Experience with research or development focused on Linux internals

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