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Palo Alto Networks Logo Palo Alto Networks · IT - Software Development

Principal Software Engineer (L7 Security)

United States, Santa Clara Employment contract 147000.00 - 237500.00 USD / Year · Job Posted May 30, 2026
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Job Description

This is a high-impact, heavy-hitting Principal Software Engineer role within the Layer-7 Security Software team (highly indicative of Palo Alto Networks' core engineering group). The individual will drive the technical leadership and end-to-end delivery of high-scale, distributed cloud security solutions and next-generation firewalls (NGFW). This team is the literal engine room of the company’s revenue, responsible for core capabilities like Application Identification (App-ID) and Content Inspection across hardware, virtual, container, and cloud environments.

Job Responsibility

  • Provide technical leadership for the end-to-end delivery of solutions, ensuring alignment with cross-functional product management and quality assurance teams
  • Design, implement, and troubleshoot robust next-generation cloud security solutions to address complex network security challenges
  • Drive the development of scalable cloud security architecture through hands-on coding and strategic architectural planning
  • Manage the full product development lifecycle, from definition and design through implementation, testing, and deployment
  • Collaborate proactively with Product Management, SRE, and Quality Engineering to deliver high-quality security-as-a-service offerings to market
  • Simplify complex technical issues to improve end-customer outcomes by working closely with customer support teams
  • Foster a culture of innovation, intellectual curiosity, and problem-solving within the engineering organization

Requirements

  • B.S. degree in Computer Science, similar technical discipline or equivalent practical experience, Graduate degree (MS or Ph.D.) in Computer Science or similar technical discipline is preferred or equivalent military experience required
  • 7-10 Years Experience in design and developing scalable solutions in relevant area
  • Experience in C and Python programming
  • Proficient with Go programming
  • Experience with Redis, SQL or NoSQL database
  • Experience in Cloud Technologies like Kubernetes, Kafka, MogoDB, Redis etc.
  • Experience with HTTP and web server backend development
  • Experience with networking development, eg. TCP/UDP, Socket programming
  • Experience with multi-threaded programming and large-scale, distributed, and/or high-performance software design and architect
  • Teammate who brings a can-do attitude to a dynamic working environment and is comfortable learning new technologies and platforms
  • Verbal and written communication skills to work with multi-functional groups

Nice to have

  • Experience with container orchestration platforms, specifically Docker and Kubernetes
  • Comprehensive understanding of public cloud design considerations, including microservice architectures, global network infrastructure, and load balancing
  • Working knowledge of TCP/IP networking protocols and principles
  • Prior experience working with Google Cloud Platform (GCP) or Amazon Web Services (AWS)

What we offer

  • restricted stock units
  • bonus
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