Principal System and Solution Test Engineer

Zscaler • Santa Clara, CA

3d • $185,500 - $265,000 • Hybrid

About The Position

Zscaler is seeking a Principal System and Solution Test Engineer to join their team. This hybrid role, based in Santa Clara, CA, will report to the Architect, Software Development Engineering in the Emerging Technology department. The engineer will be responsible for driving the quality strategy for Zero Trust Networking Services, validating complex network security architectures, and end-to-end interactions between branch networking devices and global SASE cloud services through customer-centric scenarios.

Requirements

• Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain.
• 10+ 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 Azure.

Nice To Haves

• 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.

Responsibilities

• 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, ensuring the stability required for seamless customer deployments.

Benefits

• Various health plans
• Time off plans for vacation and sick time
• Parental leave options
• Retirement options
• Education reimbursement
• In-office perks

What This Job Offers

• Job Type: Full-time
• Career Level: Principal
• Education Level: No Education Listed