Insider Risk Security Engineer

📋 Job Overview

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform.

We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler.

🏢 About Zscaler

At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.

🎯 The Role

We are looking for an Insider Risk Security Engineer to join our team. This is a Remote (United States) role, reporting to the Senior Architect in the Enterprise Security Dept department. Serving as a senior contributor on the Insider Risk program within Enterprise Security, you will take operational direction from the Insider Risk Team Lead while operating with high ownership to refine playbooks, lead detection engineering, mentor junior analysts, and represent the team with HR, Legal, and executive stakeholders.

✅ Key Responsibilities

• Sharpen the Insider Risk Program’s detection capabilities by refining 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
• Drive the development and iteration of 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, preparing clear evidentiary case documentation

📌 Required Qualifications

• 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

⭐ Desirable Experience

• Demonstrated curiosity and active exploration of AI tools, with a proven history of integrating new technologies to enhance daily workflows and augment problem-solving
• Hands-on experience with Zscaler's product portfolio (CyberRisk Protection, Data Protection, Zero Trust Networking) in a large-scale enterprise environment
• Experience working with product development teams to implement security use cases
• Relevant certifications (e.g., GCFA, GCFE) or equivalent forensics credentials; familiarity with industry frameworks (CERT, NIST, NSA)

🎁 Benefits

The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits.

Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:

• Various health plans
• Time off plans for vacation and sick time
• Parental leave options
• Retirement options
• Education reimbursement
• In-office perks, and more!

🛂 Visa & Eligibility

U.S. Citizenship required