Insider Risk Security Engineer

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. 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. What you’ll do (Role Expectations) • 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 Who You Are (Success Profile) • You thrive in ambiguity and are comfortable building the path forward in dynamic environments, treating complexity as an opportunity to deliver meaningful solutions. • You act like an owner with a passion for the mission, navigating seamlessly between strategic thinking and hands-on execution while operating with uncompromised integrity. • You are a positive force who approaches complex challenges with constructive energy, inspiring teammates to stay focused on shared solutions. • You operate with urgency, balancing speed and quality to execute relentlessly and achieve high-impact outcomes. • You are resilient and adaptable, maintaining composure in high-pressure situations and guiding the team through change with a steady, positive approach. What We’re Looking for (Minimum 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 What Will Make You Stand Out (Preferred Qualifications) • 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) #LI-AJ-1 #LI-Remote Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits. Base Pay Range $134,000—$167,500 USD 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. 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! Learn more about Zscaler's hybrid working model and benefits here. By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards an