Senior ML Engineer (ZDX)

About Zscaler

Serving thousands of enterprise customers around the world including 40% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world’s largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange™ platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler. 

Our Engineering team built the world’s largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy.

We're looking for an experienced ML Engineer to join our Digital Experience AI/analytics platform (ZDX) team. Reporting to the Sr. Manager, Machine Learning, you will play a pivotal role in developing innovative data science solutions to enhance user digital experiences. This role is based in our San Jose, CA office (hybrid, 3 days a week in office). In this role, you’ll be responsible for:

• Leading the identification and resolution of performance issues by building models to pinpoint root causes of poor user experiences and detect performance bottlenecks for individual users or cohorts.
• Designing, training, and deploying predictive models to forecast system performance, user behavior, and potential friction points in the digital experience.
• Implementing advanced AI/ML algorithms to detect and predict anomalies across multi-dimensional datasets, particularly time series.
• Managing the entire lifecycle of machine learning projects, from analysis and training to deployment in production environments.
• Creating compelling data visualizations to communicate actionable insights to both technical and non-technical audiences.

What We’re Looking For (Minimum Qualifications)

• Bachelor’s or Master’s degree in Computer Science, Data Science, Statistics, or a related field.
• 3+ years of professional experience in ML engineering, data science or related roles.
• Proficiency with tools and platforms such as Python, TensorFlow, SQL, and relevant libraries.
• Demonstrated success in building and deploying ML models in production environments, including orchestration using tools like Kubernetes and Airflow.
• Experience in multi-dimensional anomaly detection algorithms with a focus on time series data as well as experience with networking and end-point observability systems.

What Will Make You Stand Out (Preferred Qualifications)

• Knowledge of network troubleshooting, including familiarity with protocols like HTTP, TCP, and ICMP.
• Published research or contributions to the digital experience, end-user observability, or data science community.
• Demonstrated expertise in user experience metrics, monitoring tools, and methodologies within the monitoring space.

#LI-hybrid #LI-AZ2

Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.

The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits.

Base Pay Range$105,000—$150,000 USD

At Zscaler, we believe that diversity drives innovation, productivity, and success. We are looking for individuals from all backgrounds and identities to join our team and contribute to our mission to make doing business seamless and secure. We are guided by these principles as we create a representative and impactful team, and a culture where everyone belongs. For more information on our commitments to Div