Principal System and Solution Test Engineer

Zscaler•Santa Clara, CA

2d•Hybrid

About The Position

We are looking for a Principal System and Solution Test Engineer to join our team. This is a hybrid role based in Santa Clara,CA, reporting to the Architect, Software Development Engineering in the Zero Trust Branch department. You will drive the quality strategy for our 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
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

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 your 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