Sr. Staff Security Researcher
Cortex by Palo Alto Networks·Accel (Getro)
$163k–$263kPosted Jul 3, 2026
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Job Details
Revolutionizing protection.
Define what’s next in cybersecurity.
Sr. Staff Security Researcher
Santa Clara, California, United States
Product Engineering
Ref ID: JR-016761
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Our MissionAt Palo Alto Networks®, we’re united by a shared mission—to 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 you’re ready to do the most meaningful work of your career alongside people who are just as passionate as you are, you’re in the right place.Who We AreIn order to be the cybersecurity partner of choice, we must trailblaze the path and shape the future of our industry. This is something our employees work at each day and is defined by our values: Disruption, Collaboration, Execution, Integrity, and Inclusion. We weave AI into the fabric of everything we do and use it to augment the impact every individual can have. If you are passionate about solving real-world problems and ideating beside the best and the brightest, we invite you to join us!We believe collaboration thrives in person. That’s why most of our teams work from the office full time, with flexibility when it’s needed. This model supports real-time problem-solving, stronger relationships, and the kind of precision that drives great outcomes.Job SummaryThe TeamEngineering - Our engineering 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.Job SummaryJoin the team building and delivering threat detection capabilities for Advanced Threat Prevention by decoding network protocols and identifying applications. As a Principal Security Researcher, you will shape detection methodologies, drive parallel projects, and influence detection strategy at scale. You will propose innovative ideas, deliver them into production, and mentor researchers to protect enterprises worldwide from advanced threats.Key ResponsibilitiesLead the design and delivery of multiple major projects while proposing innovative detection ideas.Mentor and guide junior or mid-level researchers with technical direction and career development support.Drive advanced research into vulnerabilities and exploits to create effective IPS and ML-based detections.Ensure rapid response to Zero-Day vulnerabilities by releasing IPS protections to customers within 24 hours.Perform reverse engineering efforts to uncover new vulnerabilities and build proactive defenses.Define scalable detection methodologies for complex or emerging attack vectors across products.Partner with cross-functional teams to align detection strategy with...