Staff Software Development Engineer (Solution Test)

About Zscaler Zscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an AI-forward enterprise , we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Here, impact in your role matters more than title and trust is built on results. We say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. We believe in transparency and value constructive, honest debate —we’re 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 value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential. If you’re driven by purpose, thrive on solving complex challenges, and want to be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity. Role We are looking for a Staff Software Development Engineer (Solution Test) to join our ZIA Solution Test Team in a hybrid capacity (San Jose - 3 days/week), reporting to the Director, Software Development Engineering in the ZIA Core Engineering department. In this role, you will be a key driver of transformation, beginning with the architectural foundation of our integration environments and evolving into a strategic leader for customer-centric validation. Your journey will start by designing and deploying complex integration environments and the automated pipelines that power them. These environments will serve as a critical internal platform used by the entire engineering organization, making you a key enabler of developer productivity. As you build deep, cross-product expertise through this foundation, you will transition into recreating intricate, real-world customer topologies and leading the strategy for automated customer solution testing. This role requires a blend of "architect-level" networking knowledge, "developer-level" automation skills, and a "QA" mindset for troubleshooting. What you’ll do (Role Expectations) Design and create multiple complex integration environments that incorporate a variety of Zscaler products and components; you will treat the entire engineering team as your internal customers, ensuring these environments are robust, scalable, and highly available Develop and maintain the CI/CD pipelines (using Jenkins/GitLab) required for the automated deployment, management, and monitoring of these environments, enabling other teams to spin up testbeds on demand Leverage expert-level knowledge of Zscaler’s internal architecture and cross-product interactions to recreate real-world customer topologies and develop high-impact automation suites for end-to-end customer solution testing Perform root-cause analysis on complex integration failures using Wireshark, tcpdump, and Linux system internals to resolve protocol-level and architectural bottlenecks Create and maintain comprehensive architectural diagrams, integration playbooks, Test Plans, and best-practice guides to empower the engineering team and facilitate seamless knowledge transfer across the organization Who You Are (Success Profile) You act like an owner, taking responsibility for the initial environment architecture and ensuring it meets the high standards required for organization-wide use. You are internal-customer obsessed. You build deep empathy for your fellow engineers, anchoring your automation and environment decisions in solving th