Senior Linux Security Researcher (Cortex XDR)

Tel Aviv-Yafo, Israel

Applications have closed

Palo Alto Networks

Palo Alto Networks enables your team to prevent successful cyberattacks with an automated approach that delivers consistent security across cloud, network and mobile.

View company page

Company Description

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.

We have the vision of a world where each day is safer and more secure than the one before. These aren’t easy goals to accomplish – but we’re not here for easy. We’re here for better. 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.

We’re changing the nature of work. Palo Alto Networks is evolving to meet the needs of our employees now and in the future through FLEXWORK, our approach to how we work. From benefits to learning, location to leadership, we’ve rethought and recreated every aspect of the employee experience at Palo Alto Networks.  And because it FLEXes around each individual employee based on their individual choices, employees are empowered to push boundaries and help us all evolve, together.

Job Description

Your Career

We are looking for a Senior Linux Security Researcher for our Tel Aviv R&D center, to work on the Cortex XDR agent 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 and Anti-malware capabilities. The position includes researching OS internals, exploits, and malware, and developing and finding ways to mitigate new attack vectors.

Your Impact

  • Research, develop, and improve our anti-exploitation and anti-malware modules - ranging from improving existing capabilities, researching new low-level mitigations, and up to tackling application-level security vulnerabilities
  • Work on the design, evaluation, and implementation of new security technologies
  • Research Linux OS internals, kernel, application code bases, exploits, and malware (both for internal usage and for PR)
  • Respond to malware-based security events coming from customers
  • Analyze customer issues to help with detecting and preventing malicious activities in our customer’s networks


Your Experience

  • In-depth knowledge of some operating system internals is a must - Knowledge in linux is an advantage
  • 2+ yrs of Development experience in C/C++/Rust is a must
  • 2+ yrs of Experience in reverse engineering - both static and dynamic, is a must (x86/64 architectures are an advantage)
  • Development knowledge in some scripting language is a must - Experience with Python or Lua is an advantage
  • Experience in exploitation (either application level security or memory corruptions) or malware research is an advantage
  • Ability to work independently and as a part of a team
  • The ability to work under pressure with extreme deadlines, and to prioritize projects
  • Strong attention to detail
  • Play-to-win attitude
  • Bachelor's degree or equivalent military experience required

Additional Information

The Team

Our engineering team is at the core of our products – 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 trailblazers that dream big, 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.


Covid-19 Vaccination Information for Palo Alto Networks Jobs

  • Vaccine requirements and disclosure obligations vary by country.
  • Unless applicable law requires otherwise, you must be vaccinated for COVID or qualify for a reasonable accommodation if:
    • The job requires accessing a company worksite
    • The job requires in-person customer contact and the customer has implemented such requirements
    • You choose to access a Palo Alto Networks worksite
  • If you have questions about the vaccine requirements of this particular position based on your location or job requirements, please inquire with the recruiter.

Tags: C C++ Cloud Exploit Exploits Linux Lua Malware Python R&D Reverse engineering Rust Scripting Vulnerabilities

Perks/benefits: Career development Medical leave Team events

Region: Middle East
Country: Israel
Job stats:  14  0  0
Category: Research Jobs

Explore more InfoSec/Cybersecurity career opportunities

Find open roles in Ethical Hacking, Pen Testing, Security Engineering, Threat Research, Vulnerability Analysis, Cryptography, Digital Forensics and Cyber Security in general, filtered by job title or popular skill, toolset and products used.