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 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.

The Cyber and Data Protection team is hiring a Senior level Machine Learning (ML) Software Developer to work with a massive scale of network data, security data, and enterprise data. Working within our Machine Learning platform and reporting to the Sr Engineering Manager, your primary responsibilities include the following:

• You will build large-scale distributed systems to support the Machine Learning pipeline, including data collection, feature engineering, model training, model evaluation, model deployment, and real-time service and policy evaluation.
• You will apply analytical and math/statistics skills to stay on top of data and to ensure results are consistent and reliable.
• You will solve complex real-world business problems (e.g., threat detection, automation, and business intelligence) by working with multiple partners including data scientists, product management, and product engineering teams.

What We're Looking for (Minimum Qualifications)

• An algorithm, data structure, computer science foundation
• 4+ years of industry experiences in AI/ML and in Python
• 4+ years of experience using distributed data processing such as Spark, BigQuery, or Apache Beam
• 4+ years of experience building and scaling models based on LightGBM/LLM
• 4+ years of experience with public cloud services infrastructure offerings such as AWS, GCP, Azure.
• 4+ years of experience with Docker, Kubernetes, and event messaging such as Kafka, or RabbitMQ

What Will Make You Stand Out (Preferred Qualifications)

• Experience with C Coding
• Experience setting up SQL/NoSQL database such as Postgres, MongoDB, Redis, and table schema
• Experience with machine learning or deep learning related toolset/frameworks, such as Pandas, Numpy, Scikit-learn, TensorFlow, PyTorch.
• Familiarity with networking and networking security

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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.

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 proud to be an equal opportunity and affirmative action employer. We celebrate diversity and are committed to creating an inclusive environment for all of our employees. All qualified applicants will receive consideration 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 characteristics 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. For additional information about the federal requirements, click here.

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.