Principal Machine Learning Engineer

With Prisma AIRS, Palo Alto Networks is building the world's most comprehensive AI security platform. Organizations are increasingly building complex ecosystems of AI models, applications, and agents, creating dynamic new attack surfaces with risks that traditional security approaches cannot address. In response,Prisma AIRS delivers model security, posture management, AI red teaming, and runtime protection. Our customers can confidently deploy AI-driven innovation while ensuring a formidable security posture from development through runtime. As a Senior Principal Machine Learning Engineer, you will drive research on cutting-edge areas, including AI-Native Security (LLM, AI Agent, Model Supply-Chain, Runtime AI) and the broader LLM ecosystem security. You will leverage this research to identify and bring up new product opportunities. You will collaborate closely with engineering teams to deploy models, ensuring maximum product impact. Furthermore, you will foster cross-functional collaboration and serve as an AI thought leader both within the company and in the security/LLM community. Beyond individual contribution, you will lead complex technical projects, mentor senior engineers, and set the standard for performance, scalability, and engineering excellence across the organization. Your decisions will have a profound and lasting impact on our ability to deliver cutting-edge AI security solutions at a massive scale.