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Salary: USD 185,500 - 265,000 / annual
Zscaler is seeking a Principal System and Solution Test Engineer to join the Zero Trust Branch department in Santa Clara, CA. This hybrid role reports to the Architect, Software Development Engineering and focuses on driving quality strategy for Zero Trust Networking Services.
You will validate complex network security architectures and end-to-end interactions between branch networking devices and global SASE cloud services through customer-centric scenarios. Your responsibilities include:
• Collaborate with cross-functional teams to design, develop, and maintain cloud-based software solutions
• Leverage deep expertise in L2-L7 technology to test cloud-delivered security and SD-WAN technologies
• Build repeatable, robust system-level automation suites to validate L2-L7 technologies
• Provide critical insights and recommendations to the development team to enhance RASS, debugging capabilities, and overall product usability
• Design and execute scenarios mimicking real-world production environments to proactively expose critical gaps and ensure stability for seamless customer deployments
You thrive in dynamic, fast-paced environments, viewing ambiguity as a canvas for innovation. You operate with deep ownership and personal integrity, driven by genuine passion for the engineering mission. You are energized by complex technical puzzles and build strong empathy for end-users, placing customer needs at the center of your architecture and design validation strategy. You maintain high urgency and relentless focus on execution, balancing speed and quality.
REQUIREMENTS:
Minimum Qualifications:
• Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain
• 12+ years of overall experience in Network Security, SD-WAN, or Networking Infrastructure testing with strong proficiency in Python for tool development
• Proven expertise in building and maintaining Test Automation Frameworks from the ground up, utilizing Terraform or CloudFormation for complex cloud test environments
• Deep understanding of L2-L7 networking, TCP/IP stack internals, and performance testing methodologies using industry-standard traffic generators
• Strong exposure to SD-WAN technologies, VPNs, and Cloud Security architectures combined with advanced knowledge of Linux networking concepts
• Solid understanding of modern tunneling methods like IPSEC or GRE and hands-on experience with Public Cloud networking in AWS or GCP
Preferred Qualifications:
• Proven ability to leverage AI technologies and workflows to drive measurable operational efficiency
• Demonstrated ability to translate a holistic view of the product into complex test scenarios that accurately simulate real-world deployment environments
• Experience with industry-standard traffic generation tools and methodologies
