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Palo Alto Networks

Principal Windows Internals Engineer (Cortex XDR)

Palo Alto Networks

Published 05 Jan 2026
Tel Aviv, Israel
Full Time

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Role Highlights

Languages used

Python
Rust
C++

Key skills

Product Management
Open Source
Reverse Engineering
Security
Research

Tools, Libraries and Frameworks

Linux
Android
GCC

Description

\\\\Our Mission\\\\ At Palo Alto Networks®, were united by a shared missionto protect our digital way of life. We thrive at the intersection of innovation and impact, solving real-world problems with cutting-edge technology and bold thinking. Here, everyone has a voice, and every idea counts. If youre ready to do the most meaningful work of your career alongside people who are just as passionate as you are, youre in the right place. \\\\Who We Are\\\\ We believe collaboration thrives in person. Thats why most of our teams work from the office full time, with flexibility when its needed. This model supports real-time problem-solving, stronger relationships, and the kind of precision that drives great outcomes. \\\\The Team\\\\ To stay ahead of the curve, it's critical to know where the curve is, and how to anticipate the changes we're facing. For the fastest-growing cybersecurity company, the curve is the evolution of cyberattacks and the products and services that proactively address them. Our engineering team is at the core of our products - connected directly to the mission of preventing cyberattacks. They are constantly innovating - challenging the way we, and the industry, think about cybersecurity. These engineers aren't shy about creating products to solve problems no one has tackled before. They define the industry, instead of waiting for directions. We need individuals who feel comfortable in ambiguity, excited by the prospect of challenge, and empowered by the unknown risks facing our everyday lives that are only enabled by a secure digital environment. Our engineering team is provided with an unrivaled opportunity to build the products and practices that will support our company growth over the next decade, defining the cybersecurity industry as we know it. If you see the potential of how incredible people products can transform a business, this is the team for you. If you don't wait for directions, instead, identifying new features and opportunities we have to just get better, this is your new career. \\\\Job Summary\\\\ We are looking for a Principal Windows Internals Engineer for our Tel Aviv R&D center. You will be part of a team that designs and develops the windows internals components of our revolutionary endpoint security product for the windows platform. More information about the Cortex XDR product can be found here () . \\\\Key Responsibilities\\\\ \\+ Contribute to the research and development of Windows drivers, services and other system components for Windows \\+ Find and implement innovative solutions to counter cyberattacks \\+ Use diverse tools and technologies IDA/python/rust/gcc/assembly \\+ Work closely with teams of experienced engineers, security researchers and product managers, leading projects, features, and initiatives \\\\Preferred Qualifications\\\\ \\+ 7+ years of experience in software development \\+ 3+ years of experience with system programming for any major OS (Windows/Linux/Android/Mac) \\+ Motivated to understand how things work \\+ Bachelor's degree or equivalent military experience required \\\\Skills & Competencies\\\\ \\+ Modern C++ development \\+ Experience with one or more of the following skills/technologies Usermode 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 \\\\Our Commitment\\\\ Were problem solvers that take risks and challenge cybersecuritys status quo. Its simple: we cant accomplish our mission without diverse teams innovating, together. We are committed to providing reasonable accommodations for all qualified individuals with a disability. If you require assistance or accommodation due to a disability or special need, please contact us at . Palo Alto Networks is an equal opportunity employer. We celebrate diversity in our workplace, and all qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or other legally protected characteristics. All your information will be kept confidential according to EEO guidelines.

Required Qualifications and Skills

The role requires at least 7 years of experience in software development and over 3 years of experience with system programming for a major operating system. A Bachelor's degree or equivalent military experience is necessary. Key skills include modern C++ development, and experience with usermode internals, the Windows security model, PE format, hooking, injection, x86/x64 assembly, security technologies like ASLR and DEP, and reverse engineering with IDA Pro. Proficiency in Python is also a requirement.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Palo Alto Networks

Size

14705

Founded

HQ

SANTA CLARA, US

Public/Private

Public Company

Description

Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate. Our mission is to be the cybersecurity partner of choice, protecting our digital way of life. We help address the world's greatest security challenges with continuous innovation that seizes the latest breakthroughs in artificial intelligence, analytics, automation, and orchestration. By delivering an integrated platform and empowering a growing ecosystem of partners, we are at the forefront of protecting tens of thousands of organizations across clouds, networks, and mobile devices. Our vision is a world where each day is safer and more secure than the one before. For more information, visit www.paloaltonetworks.com.

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