Senior Principal Software Engineer ( Device Security ) Santa Clara, California,

Our Mission

At 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 Are

In 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 Summary

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.

You will work with a team of amazing device identification and security professionals to help identify, monitor, and protect the ever‑growing number of connected devices in our vast customer base. This is one of the fastest‑growing areas of cybersecurity today, and we offer a great opportunity to help shape this landscape and make a real impact in securing the future of Device Security.

As a senior level Device Security Researcher, you will:

• Research and identify security vulnerabilities and threats across a wide range of devices, Operating Systems and software components.
• Drive innovation by applying the latest AI and LLM technologies to automated threat detection and device discovery.
• Conduct deep analysis of network traffic and device behaviors.
• Design and prototype security research tools and engine components for our cloud‑based platforms.
• Collaborate on cross‑functional projects to lead and coordinate research efforts.
• Support customer trials and handle complex security‑related issues.

We’re not your ordinary Information Security team. We’re a diverse group of security professionals that accepts challenging the status quo in order to protect Palo Alto Networks and our customers. Driving innovation on the Information Security team of the fastest‑growing high‑tech cybersecurity company is a once‑in‑a‑lifetime opportunity. You’ll be joined by the brightest minds in technology, and our global teams are on the front line of defense against cyberattacks.

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 accomm

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…