Principal Data Scientist

1 Month ago • 3-5 Years • $182,000 PA - $260,000 PA
Data Analysis

Job Description

Zscaler is seeking a Principal Data Scientist to define and build a new class of market-defining products focused on safe, secure, and responsible AI adoption for enterprises. This role involves designing and implementing machine learning models, including SLMs/LLMs, conducting research in generative AI and predictive analytics, and analyzing complex datasets. The successful candidate will collaborate with engineering and product teams to integrate AI/ML technologies into Zscaler’s core solutions, ensuring data privacy and governance. This is a remote position within the United States, offering a greenfield opportunity to innovate in the cybersecurity space.
Good To Have:
  • Strong foundation in mathematics and statistics, applying these to ML and AI
  • Hands-on experience in large generative models for text and image
  • Proficient in cloud computing platforms (AWS, Azure, GCP)
  • Proficient in big data technologies (Hadoop, Spark)
  • Proficient in data engineering principles, including SQL and NoSQL databases
  • Expertise in deploying scalable machine learning models to production environments
  • Knowledge of advanced AI protocols such as A2A, Agentic AI, and MCP
Must Have:
  • Design, build, and implement machine learning models, including SLMs/LLMs.
  • Conduct research and development in sophisticated AI/ML areas.
  • Analyze complex datasets to extract key insights.
  • Collaborate with engineering and product teams to integrate AI/ML technologies.
  • Stay current with advancements in ML, AI, and cybersecurity.
Perks:
  • Various health plans
  • Time off plans for vacation and sick time
  • Parental leave options
  • Retirement options
  • Education reimbursement
  • In-office perks

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Responsibilities:

As organizations increasingly embrace AI, our new product is designed to help them do so safely, securely, and responsibly. It provides a trusted platform that supports both user-driven and agentic AI—empowering individuals to harness AI for insights and productivity, while enabling autonomous agents to act within clearly defined ethical and operational boundaries. Built with enterprise-grade security, compliance, and transparency at its core, the product ensures that data privacy and governance are never compromised.

We’re looking for a Principal Data Scientist reporting into our Senior Director, Software Engineering. This is a green field opportunity to define and build a new class of market defining products. This is a remote position within the United States. In this role, you will:

  • Design, build, and implement machine learning models, including SLMs/LLMs, to enhance the intelligence and functionality of Zscaler’s internal and external platforms.
  • Conduct research and development in sophisticated AI/ML areas such as generative AI, predictive analytics, and anomaly detection.
  • Analyze complex datasets to extract key insights, continuously refining model accuracy and performance.
  • Collaborate with engineering and product teams to effectively integrate AI/ML technologies into Zscaler’s core solutions.
  • Stay current with advancements in ML, AI, and cybersecurity, applying specific knowledge of underlying frameworks and methodologies to ensure technical excellence.

What We're Looking for (Minimum Qualifications):

  • Possess an advanced degree (PhD preferred) in Computer Science, Machine Learning, Statistics, or a related field, combined with a strong understanding of ML algorithms, deep learning, neural networks, and their applications.
  • Demonstrated experience (3-5+ years) in applying diverse data science models and advanced Natural Language Processing (NLP) techniques for large-scale data analysis.
  • Proficiency in Python and SQL, with hands-on experience using key ML frameworks (e.g., TensorFlow, PyTorch).
  • Skilled in data manipulation, visualization, and analysis techniques and tools.
  • Proven ability to independently solve complex problems and collaborate effectively within a team environment.

What Will Make You Stand Out (Preferred Qualifications):

  • Possess a strong foundation in mathematics and statistics, applying these to ML and AI, with hands-on experience in large generative models for text and image.
  • Proficient in cloud computing platforms (AWS, Azure, GCP), big data technologies (Hadoop, Spark), and data engineering principles, including SQL and NoSQL databases.
  • Expertise in deploying scalable machine learning models to production environments, complemented by knowledge of advanced AI protocols such as A2A, Agentic AI, and MCP.

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