Sr Principal / Architect Platform Software Engineer (Cortex)

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 Job Summary As a Sr. Principal Architect, you will serve as the technical cornerstone for a high-impact engineering group that encompasses both our Email Security and Broker Platform teams. This is a unique dual-scope role: you will oversee the architecture of a brand-new, cutting-edge email security solution while simultaneously guiding the evolution of our high-scale Broker Platform - the backbone that enables seamless data integration and communication across the entire Cortex ecosystem. You will be responsible for the architectural synergy between multiple domains, ensuring that our security detection engines and our data orchestration layers are built for massive scale (billions of events per second), high availability, and ironclad security. Operating out of our TLV office, you will drive the long-term technical roadmap, navigate complex cross-team dependencies, and instill a culture of architectural rigor. You aren't just building a product; you are building the foundation upon which the world’s leading cyber-security products integrate and operate. Key Responsibilities Align the architectural goals of the Email Security and Broker Platform teams, ensuring unified standards for data ingestion, processing, and threat detection. Take ownership of the Broker Platform’s scalability, ensuring it can support the explosive growth and diverse data requirements of the Cortex suite. Drive the Zero to One architecture for new email security offerings, ensuring they leverage the full power of our platform infrastructure. Lead technical RFC (Request for Comments) reviews, making critical decisions on tech stacks, data modeling, and distributed system patterns. Act as the bridge between engineering, product, and site reliability (SRE) to ensure that architectural designs translate into operational excellence. Qualifications Required Qualifications 10 years of hands-on Software Engineering experience, with 2 years in a Principal or Architect role leading multi-team technical strategies. Proven experience building SaaS products alongside deep knowledge of message brokers and infrastructure. Experience architecting systems that handle multi-region, large workloads with extreme throughput requirements. Expert-level knowledge of cloud-native ecosystems (AWS, GCP, or Azure) and container orchestration at scale (Kubernetes). Proficiency in Golang and Python, with a deep understanding of low-level performance tuning and concurrency models. B.Sc. or M.Sc. in Computer Science or Software Engineering, or leadership experience in elite military technology units. 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 te ... (truncated, view full listing at source)