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Staff Detection Engineer

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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 a Staff Detection Engineer to join our team. This is a Hybrid role, reporting to the Senior Manager in the Threat Hunting department. You will analyze emerging threats, adversarial behaviors, and tactics, techniques, and procedures (TTPs) to understand attacker methodologies and improve detection capabilities across our global ecosystem. This role requires conducting proactive and retroactive threat hunting using Zscaler telemetry while working flexible schedules, including weekend night shifts, to meet global operational demands.

What you’ll do (Role Expectations)

  • Pick the handful of numbers that tell you the area is healthy (fidelity, false-positive and false-negative rates, ATT&CK coverage, detector regressions) and do the work to move them in the right direction

  • Take what threat intel, hunts, and the analysts consuming your alerts tell you and turn it into what gets fixed and built next

  • Lead detection quality reviews for their coverage area, driving root-cause analysis, coordinating corrective actions, and setting the quality bar for reducing misses and false positives over time

  • Independently hunt and respond to customers while managing flexible operational schedules and on-call support

  • Identify and translate adversary behavior into actionable hunt hypotheses and detection logic

Who You Are (Success Profile)

  • You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful.

  • You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. True ownership involves leveraging dynamic range: the ability to navigate seamlessly between high-level strategy and hands-on execution.

  • You are a problem-solver. You love running towards the challenges because you are laser-focused on finding the solution, knowing that solving the hard problems