Insider Risk Security Engineer
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Job Description
Insider Risk Security Engineer strengthening Zscaler’s cloud security platform against insider threats. Leading detection engineering, investigations, and defensible playbooks across enterprise security operations.
Responsibilities:
- Refine Insider Risk Program detection rules to reduce noise, close coverage gaps, and surface high-fidelity alerts in adequate time
- Perform endpoint and user activity investigations using EDR/XDR, UEBA, and SIEM tools, managing cases end-to-end to create factual timelines
- Develop and iterate insider risk investigation playbooks, translating case patterns and lessons learned into scalable, defensible processes
- Serve as a key contact for HR, Legal, business leaders, and other stakeholders on active investigations
- Prepare clear evidentiary case documentation
- Mentor junior analysts and represent the team with HR, Legal, and executive stakeholders
- Report to the Senior Architect in the Enterprise Security Department and take operational direction from the Insider Risk Team Lead
Requirements:
- Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain
- U.S. Citizenship required
- Minimum 6+ years of experience in insider risk, data protection, fraud investigation, or security operations, with a proven track record in senior investigative roles, process ownership, and the design of detection frameworks and playbooks
- 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
- Hands-on experience with Zscaler's product portfolio in a large-scale enterprise environment preferred
- Experience working with product development teams to implement security use cases preferred
- Relevant certifications such as GCFA or GCFE, or equivalent forensics credentials preferred
- Familiarity with CERT, NIST, and NSA frameworks preferred
Benefits:
- 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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