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Salary: USD 134,000 - 167,500 / annual
Zscaler is seeking an Insider Risk Security Engineer to join the Enterprise Security department as a senior individual contributor on the Insider Risk program. Reporting to the Senior Architect, you will operate with high ownership to refine detection capabilities, lead investigation engineering, mentor junior analysts, and serve as a key liaison with HR, Legal, and executive stakeholders.
Key responsibilities include:
- Refining insider risk detection rules to reduce noise, close coverage gaps, and surface high-fidelity alerts in timely fashion
- Performing endpoint and user activity investigations using EDR/XDR, UEBA, and SIEM tools, managing cases end-to-end to create factual timelines
- Developing and iterating insider risk investigation playbooks, translating case patterns and lessons learned into scalable, defensible processes
- Serving as primary contact for HR, Legal, business leaders, and other stakeholders on active investigations, preparing clear evidentiary case documentation
You thrive in ambiguity, act with ownership and integrity, approach complex challenges with constructive energy, operate with urgency while balancing speed and quality, and maintain composure in high-pressure situations.
About Zscaler: A NASDAQ-listed company that accelerates digital transformation through its Zero Trust Exchange platform, protecting thousands of customers from cyberattacks and data loss. The platform is distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, serving as the world's largest in-line cloud security platform. The company is building an AI-native enterprise where human potential is amplified by machine intelligence.
Requirements:
- U.S. Citizenship required
- Minimum 6+ years of experience in insider risk, data protection, fraud investigation, or security operations, with proven track record in senior investigative roles, process ownership, and design of detection frameworks and playbooks
- Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions within your functional domain
- Experience managing and dispositioning alerts within a SIEM or SOAR
- Strong communication skills with proven ability to engage cross-functionally with HR, Legal, business leaders, and other stakeholders while maintaining discretion and sound judgment
- Proficiency in Python or JavaScript with experience applying automation to investigative workflows
Preferred qualifications:
- Hands-on experience with Zscaler's product portfolio (CyberRisk Protection, Data Protection, Zero Trust Networking) in large-scale enterprise environment
- Experience working with product development teams to implement security use cases
- Relevant certifications (GCFA, GCFE) or equivalent forensics credentials; familiarity with industry frameworks (CERT, NIST, NSA)
