Zscaler · 5 hours ago
Principal System and Solution Test Engineer
San Jose, California, USA
Full-time
Hybrid
Lead/Staff
$182K/yr - $260K/yr
10+ years expZscaler is a pioneer and global leader in zero trust security. They are seeking a Principal System and Solution Test Engineer to drive the quality strategy for their Zero Trust Networking Services, ensuring robust connectivity and high availability through validation of complex network security architectures.
Cloud SecurityCyber SecurityEnterprise SoftwareSecurity
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
Qualification
Required
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
Preferred
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
Benefits
Various health plans
Time off plans for vacation and sick time
Parental leave options
Retirement options
Education reimbursement
In-office perks, and more!
Company
Zscaler
Zscaler is a global cloud-based information security company that enables secure digital transformation for mobile and cloud.
5001-10000 employees
H1B Sponsorship
Zscaler has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (164)
2024 (220)
2023 (108)
2022 (144)
2021 (82)
2020 (51)
Funding
Current Stage
Public CompanyTotal Funding
$1.67BKey Investors
TPG GrowthLightspeed Venture Partners
2025-07-01Post Ipo Debt· $1.5B
2024-04-23Post Ipo Equity· $22.7M
2018-03-16IPO
Leadership Team
Jay Chaudhry
CEO, Chairman & Founder
Hemant Dabke
Area Vice President
Recent News
2026-01-09
Company data provided by crunchbase