Principal Software Engineer (Mobile/Network Security)
Cortex by Palo Alto Networks
$147k–$238kPosted Jul 14, 2026
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Job Details
Revolutionizing protection.
Define what’s next in cybersecurity.
Principal Software Engineer (Mobile/Network Security)
Santa Clara, California, United States
Product Engineering
Ref ID: JR-018361
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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 SummaryWe are looking for motivated, smart, hardworking and passionate individuals to join the Next-gen Firewall dataplane team as a Software Engineer. You will be part of a world-class software engineering team that works on various cutting-edge technologies for the firewall. As a member of a dataplane / mobility networking software group, you will be responsible for designing and developing the next-generation firewall. You will take ownership for large software components, work with product management on real life customer requirements, apply your knowledge to functional design, utilize your programming skills for efficient and robust implementation, and interact with quality assurance and field support teams in the whole software development cycle. The culture at Palo Alto Networks is creative, dynamic and inspiring to tackle real work Cyber-attacks. Key ResponsibilitiesDevelop Next Gen Network Security Components and Protocols for State-of-the-art firewalls deployed at Enterprise, Data Center, Cloud, and Service Provider environments.Develop network security features for securing 4G/5G service provider networks as well as enterprise 5G deployments..Develop security modules with disruptive technologies based on deep packet inspection (DPI), Machine Learning (ML) Algorithms and automation via AI agentsDevelop scalable high availability solution for stateful FailoverCollaborate with multi-functional team members on user requirements, including but not limited to Product Management, QA, Support, etc.As a decision maker, take ownership and independently drive, lead tasks and assignmentsQualifications Required Qualifications:7+ years of experience as a developer in the networking related products on the dataplane...