Zscaler · 9 hours ago
Principal Machine Learning Engineer
San Jose, CA
Full-time
Hybrid
Lead/Staff
$182K/yr - $260K/yr
10+ years expZscaler accelerates digital transformation with its cloud native Zero Trust Exchange platform, focusing on cybersecurity solutions. The Principal Machine Learning Engineer will lead the design and development of AI/ML systems and collaborate with cross-functional teams to address complex cybersecurity challenges.
Cloud SecurityCyber SecurityEnterprise SoftwareSecurity
Responsibilities
Leading the design and development of cutting edge, production ready AI/ML systems and pipelines, cybersecurity applications and providing technical guidance to junior and mid-level engineers
Optimizing existing machine learning pipelines for improved efficiency and scalability
Exploring and experimenting with advanced AI techniques and architectures to solve complex cybersecurity problems as well as staying updated on the latest advancements in AI and applying them to our cybersecurity solutions
Collaborating with cross-functional teams to define project requirements and ensure alignment with business objectives
Ensuring systems and applications meet reliability, scalability and performance requirements
Qualification
Required
10+ years of experience as a Machine Learning Engineer or Scientist, with a proven track record of delivering successful projects, along with a solid understanding of machine learning concepts and their applications in cybersecurity
Excellent communication skills with ability to translate complex technical concepts to stakeholders, peers. Record of peer reviewed communication is a plus
Strong proficiency in Algorithms, Game Theory and Optimization, Verification, ML libraries and frameworks
Extensive experience in data modeling, feature engineering, model development, and error analysis
Bachelor's degree in Computer Science, or a related technical field (Master's Degree or PhD preferred)
Preferred
Proven track record of designing, building and shipping end-end applications at scale, with familiarity with multi-agent systems and orchestration frameworks
Deep expertise with cloud infrastructure (e.g. AWS, GCP) for AI workloads
Strong experience with agent architectures and SOTA AI frameworks, along with contributions to open-source ML projects, top-tier research publications
Benefits
Various health plans
Time off plans for vacation and sick time
Parental leave options
Retirement options
Education reimbursement
In-office perks, and more!
Company
Zscaler
Zscaler is a global cloud-based information security company that enables secure digital transformation for mobile and cloud.
5001-10000 employees
H1B Sponsorship
Zscaler has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (140)
2024 (220)
2023 (108)
2022 (144)
2021 (82)
2020 (51)
Funding
Current Stage
Public CompanyTotal Funding
$1.67BKey Investors
TPG GrowthLightspeed Venture Partners
2025-07-01Post Ipo Debt· $1.5B
2024-04-23Post Ipo Equity· $22.7M
2018-03-16IPO
Leadership Team
Jay Chaudhry
CEO, Chairman & Founder
Hemant Dabke
Area Vice President
Recent News
2025-12-18
The Motley Fool
2025-12-11
2025-12-09
Company data provided by crunchbase