Principal System and Solution Test Engineer

About Zscaler

Zscaler is a pioneer and global leader in zero trust security. The worlds largest businesses critical infrastructure organizations and government agencies rely on Zscaler to secure users branches applications data & devices and to accelerate digital transformation initiatives. Distributed across more than 160 data centers globally the Zscaler Zero Trust Exchange platform combined with advanced AI combats billions of cyber threats and policy violations every day and unlocks productivity gains for modern enterprises by reducing costs and complexity.

Here impact in your role matters more than title and trust is built on results. We believe in transparency and value constructive honest debatewere focused on getting to the best ideas faster. We build high-performing teams that can make an impact quickly and with high quality. To do this we are building a culture of execution centered on customer obsession collaboration ownership and accountability.

We champion an AI Forward People First philosophy to help us accelerate and innovate empowering our people to embrace their potential. If youre driven by purpose thrive on solving complex challenges and want to make a positive difference on a global scale we invite you to bring your talents to Zscaler to help shape the future of cybersecurity.

Role

We are looking for a Principal System and Solution Test Engineer to join our role is hybrid and based in our San Jose CA office three days a week reporting to the Architect Software Development Engineering within the Emerging Tech department.

You will drive the quality strategy for our Zero Trust Networking Services leading the validation of complex network security architectures to ensure robust connectivity and high availability. Going beyond feature testing you will design and execute customer-centric test scenarios to validate the end-to-end interaction between branch networking devices and global SASE cloud services.

What youll do (Role Expectations)

• 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

Who You Are (Success Profile)

• You thrive in a dynamic environment seeing ambiguity not as a hindrance but as the raw material to build something meaningful.
• Your passion for the mission fuels your bias for action and you operate with integrity because you genuinely care about the outcome.
• You seek out challenges because you are energized by finding solutions knowing that solving the hard problems delivers the biggest impact.
• You build deep empathy for the customerboth internal and externaland anchor your decisions in solving their real-world problems.
• You have a relentless focus on execution and a bias for action delivering high-impact results quickly to win for the customer and the team.

What Were Looking for (Minimum Qualifications)

• 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

What Will Make You Stand Out (Preferred Qualifications)

• 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

#LI-YC2 #LI-Hybrid

At Zscaler we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.

Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages including:

By applying for this role you adhere to applicable laws regulations and Zscaler policies including those related to security and privacy standards and guidelines.

Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race color religion sex (including pregnancy or related medical conditions) age national origin sexual orientation gender identity or expression genetic information disability status protected veteran status or any other characteristic protected by federal state or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link.

Pay Transparency

Zscaler complies with all applicable federal state and local pay transparency rules.

Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled have long term conditions mental health conditions or sincerely held religious beliefs or who are neurodivergent or require pregnancy-related support.