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Palo Alto Networks Logo Palo Alto Networks · IT - Software Development

Senior Windows Internals Engineer (Cortex)

Israel, Tel Aviv · Job Posted March 25, 2026
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Job Description

We are seeking a Principal Windows Internals Engineer for our Tel Aviv R&D center. In this role, you will be a key member of the team that designs and develops the low-level Windows components for our revolutionary Cortex XDR endpoint security product, directly contributing to our mission of protecting our digital way of life from advanced cyberattacks.

Job Responsibility

  • Contribute to the research and development of Windows drivers, services, and other system-level components
  • Challenge the status quo by finding and implementing innovative solutions to counter sophisticated cyberattacks
  • Proactively collaborate and exchange information with engineers, security researchers, and product managers to lead projects and initiatives
  • Design, develop, and debug complex, high-performance, multi-threaded code in C++
  • Conduct in-depth analysis of system internals and focus on the details to produce robust, high-quality security features
  • Apply learning from security research and reverse engineering to simplify complex problems and develop practical solutions

Requirements

  • 7+ years of experience in software development
  • 3+ years of experience with system programming for any major OS (Windows/Linux/Android/Mac)
  • Proven experience with system programming for any major OS (Windows, Linux, Android, Mac)
  • Deep understanding of operating system internals and concepts
  • Modern C++ development
  • Experience with one or more of the following skills/technologies – User–mode internals, Windows security model, PE format, hooking, injection, etc., x86 / x64 assembly, Security technologies (ASLR, DEP, etc.), Reverse engineering with IDA Pro, Python
  • Contributions to open source projects or a complex hobby project
  • Bachelor's degree or equivalent military experience required
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