Sr Principal Linux Security Researcher

Our Mission
At Palo Alto Networks everything starts and ends with our mission:

Being the cybersecurity partner of choice, protecting our digital way of life.

Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are.

Who We Are
We take our mission of protecting the digital way of life seriously. We are relentless in protecting our customers and we believe that the unique ideas of every member of our team contributes to our collective success. Our values were crowdsourced by employees and are brought to life through each of us everyday - from disruptive innovation and collaboration, to execution. From showing up for each other with integrity to creating an environment where we all feel included.

As a member of our team, you will be shaping the future of cybersecurity. We work fast, value ongoing learning, and we respect each employee as a unique individual. Knowing we all have different needs, our development and personal wellbeing programs are designed to give you choice in how you are supported. This includes our FLEXBenefits wellbeing spending account with over 1,000 eligible items selected by employees, our mental and financial health resources, and our personalized learning opportunities - just to name a few

Job Description
Your Career
We are looking for a Sr Principal Linux Security Researcher for our Tel Aviv R&D center, to work on cortex-xdr for linux, which provides runtime protection to servers and cloud workloads.

You will be part of a team that is in charge of researching, developing and improving Anti-Exploit capabilities, Anti-malware capabilities. The position includes researching OS internals, exploits, malware, delving into cloud security, and finding ways to mitigate new attack vectors.

Your Impact

• Research, develop, and improve anti-exploitation mitigations and anti-malware modules - ranging from low-level mitigations up to tackling application-level security vulnerabilities
• Work on the design, evaluation, and implementation of new security technologies
• Research Linux OS internals, kernel, application codebases, vulnerabilities and exploits (Mostly internal usage but also PR)
• Analyze customer issues to help with detecting and preventing malicious activities in our customers networks

Qualifications
Your Experience

• Minimum of 10 years of professional experience in security research and/or development-oriented positions
• Ability to conduct in-depth and independent technical research in OS internals and security, focusing on areas where public knowledge may be limited. This research is aimed at enhancing product capabilities and security modules, all within strict deadlines and considering technical constraints of the product.
• In-depth knowledge of some operating system internals is a must - Knowledge of Linux is an advantage
• Development experience in C/C++/Rust is a must, 5 years at least
• Experience in reverse engineering - both static and dynamic, and security research is a must - 5 years at least
• Development knowledge in some scripting languages is a must - Experience with Python is an advantage
• Exploitation experience is an advantage (either application-level security or memory corruption)
• Experience with Kubernetes and cloud workloads is an advantage
• Ability to work independently and as a part of a team
• Strong attention to detail
• Ability to proactively take initiative and lead projects within a cross-organizational environment, effectively coordinating with multiple teams and stakeholders

Additional Information
The Team
Our product team is at the core of our products and connected directly to the mission of preventing cyberattacks. We are constantly innovating - challenging the way we, and the industry, think about cybersecurity. Our engineers don't shy away from building products to solve problems no one has pursued before.

We define the industry instead of waiting for directions. We need individuals who feel comfortable in ambiguity, excited by the prospect of a challenge, and empowered by the unknown risks facing our everyday lives that are only enabled by a secure digital environment.

Our Commitment
We're problem solvers that take risks and challenge cybersecurity's status quo. It's simple: we can't 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.