Sr. Principal Software Engineer - Layer 7

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 The Team Engineering - 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 Summary As a key member of Layer-7 Security group, you will be responsible for designing and developing device identity solutions, and other security features on the next-generation firewalls. You will work with product management on user 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 throughout the entire software development cycle. Key Responsibilities Innovate, design, develop and improve the Next-Generation Firewall in terms of functionality and performance, working on device identity solutions Own and be responsible for critical components in the Next-Generation Firewall system Deliver features and improvements in critical components in high quality and performance As an expert on networking and security, work closely with team members and cross-team to design and architect innovative solutions Qualifications Required Qualifications B.S. degree in Computer Science, similar technical discipline or equivalent practical experience plus 7 or more years of relevant industry experience Proficient in C programming under Linux development environment Experience with multi-threaded programming and large-scale, distributed, and/or high-performance software design and architecture Experience with TCP/IP networking software development Experience designing & building scalable microservices with latest queueing technology and data pipelines Experience with cloud platforms and kubernetes Experience with one or more of Redis, SQL or NoSQL database Preferred Qualifications Go, python experience Graduate degree (MS or Ph.D.) in Computer Science or similar technical discipline or equivalent military experience is preferred Compensation Disclosure The compensation offered for this position will depend on qualifications, experience, and work location. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary commission target (for sales/com-missioned roles) is expected to be the annual range listed below. The offered c ... (truncated, view full listing at source)