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

Senior Principal SQA Engineer

India, Bengaluru · Job Posted March 04, 2026
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Job Description

Palo Alto Networks is seeking an exceptional Senior Principal Engineer to lead and shape our SD-WAN Datapath testing. In this critical role, you will drive the quality and reliability of our next-generation SD-WAN solutions by designing and implementing advanced test automation, leveraging AI/ML technologies, and establishing best practices for datapath validation at scale.

Job Responsibility

  • Test Strategy & Architecture: Define and execute comprehensive testing strategies for SD-WAN datapath features including packet forwarding, QoS, traffic shaping, tunneling protocols, and performance optimization
  • AI-Driven Testing: Design and implement AI/ML-based testing solutions for intelligent test case generation, anomaly detection, predictive failure analysis, and automated root cause identification
  • Automation Framework Development: Build and maintain robust, scalable test automation frameworks using modern programming languages (Python) and industry-standard tools
  • Performance & Scale Testing: Develop methodologies to validate datapath performance, throughput, latency, and scalability across diverse network topologies and conditions
  • Technical Leadership: Mentor engineering teams, conduct design reviews, and establish quality engineering standards across the organization
  • Cross-Functional Collaboration: Partner with development, product management, and DevOps teams to ensure quality is integrated throughout the SDLC
  • CI/CD Integration: Integrate automated test suites into CI/CD pipelines for continuous validation and rapid feedback
  • Innovation: Research and evaluate emerging technologies in network testing, AI/ML applications, and test optimization techniques

Requirements

  • Bachelor's or Master's degree in Engineering
  • 15+ years of relevant industry experience
  • Deep understanding of networking protocols (TCP/IP, BGP, OSPF, IPsec, GRE, VXLAN), routing, switching, and network security concepts
  • 8+ years of experience in test automation with strong programming skills in Python
  • Hands-on experience applying AI/ML techniques to testing challenges - test optimization, intelligent analytics, pattern recognition, or predictive modeling
  • Experience with test frameworks (pytest), traffic generators ( Ixia, Spirent, IPerf), and network simulation tools
  • Ability to design distributed, scalable test architectures for complex network environments
  • Exceptional analytical and debugging skills with proven ability to troubleshoot complex network and software issues
  • Track record of leading technical initiatives and influencing engineering culture

Nice to have

  • SD-WAN Experience: Hands-on experience with SD-WAN technologies, architectures, and vendors (Prisma SD-WAN, Cisco Viptela, VMware VeloCloud, etc.)
  • Cloud Platforms: Experience testing applications in AWS, Azure, GCP, or multi-cloud environments
  • Network Performance Analysis: Experience with tools like Wireshark, tcpdump, iperf, and network telemetry platforms
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