Staff Machine Learning Engineer - Data Lake, Anomaly Detection

About this role

<div class="content-intro"><p data-pm-slice="1 1 []">Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform.</p> <p>We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler.</p></div><div id="model-response-message-contentr_b69eeb635351f742" class="markdown markdown-main-panel tutor-markdown-rendering enable-updated-hr-color"> <p data-path-to-node="0"><span style="font-size: 12pt;"><strong data-path-to-node="0" data-index-in-node="0">Role</strong></span></p> <p data-path-to-node="0"><span style="font-size: 12pt;">We are looking for a Staff Software Engineer to join our team. This is a hybrid, based in San Jose, CA 3 days a week role, reporting to the Sr. Manager, Software Engineering in the Zscaler Digital Experience (Core Intelligence and Data) department. You will join the team responsible for building the world’s largest cloud security platform, helping us enhance services and increase our global footprint. You will play a pivotal role in enabling organizations worldwide to harness speed and agility through a cloud-first strategy, leveraging our multitenant architecture that serves over 15 million users.</span></p> <p data-path-to-node="1"><span style="font-size: 12pt;"><strong data-path-to-node="1" data-index-in-node="0">What you’ll do (Role Expectations)</strong></span></p> <ul data-path-to-node="2"> <li style="font-size: 12pt;"> <p data-path-to-node="2,0,0"><span style="font-size: 12pt;">Own agentic troubleshooting framework, framing high-impact use cases, designing workflows and playbooks, and building processes for all products</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="2,1,0"><span style="font-size: 12pt;">Evaluate and integrate state-of-the-art GenAI advances to deliver reliable and cost-efficient production features, utilizing LLMs, various machine learning models, data processing, fine-tuning, and inference optimization</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="2,2,0"><span style="font-size: 12pt;">Work with the world class cloud platform and data lakes for feature exploration and generation</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="2,3,0"><span style="font-size: 12pt;">Handle volume data with the real time pipeline for data processing and aggregation</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="2,4,0"><span style="font-size: 12pt;">Design, implement, and operate scalable production systems, specifically focusing on microservices, data pipelines, orchestration, and caching</span></p> </li> </ul> <p data-path-to-node="3"><span style="font-size: 12pt;"><strong data-path-to-node="3" data-index-in-node="0">Who You Are (Success Profile)</strong></span></p> <ul data-path-to-node="4"> <li style="font-size: 12pt;"> <p data-path-to-node="4,0,0"><span style="font-size: 12pt;">You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful.</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="4,1,0"><span style="font-size: 12pt;">You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. True ownership involves leveraging dynamic range: the ability to navigate seamlessly between high-level strategy and hands-on execution.</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="4,2,0"><span style="font-size: 12pt;">You are a problem-solver. You love running towards the challenges because you are laser-focused on finding the solution, knowing that solving the hard problems delivers the biggest impact.</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="4,3,0"><span style="font-size: 12pt;">You are a high-trust collaborator. You are ambitious for the team, not just yourself. You embrace our challenge culture by giving and receiving ongoing feedback—knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust.</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="4,4,0"><span style="font-size: 12pt;">You are a learner. You have a true growth mindset and are obsessed with your own development, actively seeking feedback to become a better partner and a stronger teammate. You love what you do and you do it with purpose.</span></p> </li> </ul> <p data-path-to-node="5"><span style="font-size: 12pt;"><strong data-path-to-node="5" data-index-in-node="0">What We’re Looking for (Minimum Qualifications)</strong></span></p> <ul data-path-to-node="6"> <li style="font-size: 12pt;"> <p data-path-to-node="6,0,0"><span style="font-size: 12pt;">Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="6,1,0"><span style="font-size: 12pt;">BS in Computer Science with 6+ years of experience, or MS/PhD with 5+ years of experience solving real-world problems using AI/ML and distributed systems</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="6,2,0"><span style="font-size: 12pt;">Proficiency in programming, data structures, algorithms, and machine learning, with exceptional problem-solving skills driven by first-principles thinking</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="6,3,0"><span style="font-size: 12pt;">Hand-on experience with AI modeling, including feature generation, prompt engineering, evaluations and productionization</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="6,4,0"><span style="font-size: 12pt;">Experience in the full lifecycle of ML models (building, deployment, monitoring, optimization) alongside expertise in designing and operating distributed microservices using Kubernetes and Docker in Python, Go, or Java</span></p> </li> </ul> <p data-path-to-node="7"><span style="font-size: 12pt;"><strong data-path-to-node="7" data-index-in-node="0">What Will Make You Stand Out (Preferred Qualifications)</strong></span></p> <ul data-path-to-node="8"> <li style="font-size: 12pt;"> <p data-path-to-node="8,0,0"><span style="font-size: 12pt;">Experience designing and scaling autonomous AI agents, agentic orchestration workflows, and advanced large language model (LLM) tooling to automate complex cloud infrastructure troubleshooting or incident response</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="8,1,0"><span style="font-size: 12pt;">Experience fine-tuning and deploying proprietary SLMs/LLMs at scale, with a focus on optimizing latency, cost, safety, and evaluations</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="8,2,0"><span style="font-size: 12pt;">Experience delivering production-ready AI systems, including expertise in anomaly detection, event correlation, incident investigation, and resili