Senior Threat Response Engineer

Zscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an AI-forward enterprise, we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Here, impact in your role matters more than title and trust is built on results. We say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. We believe in transparency and value constructive, honest debate—we’re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on customer obsession, collaboration, ownership, and accountability.

We value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential. If you’re driven by purpose, thrive on solving complex challenges, and want to be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity.

We are looking for a Senior Threat Response Engineer to join our team. This is a Remote (USA Only) role, reporting to the Senior Manager, Threat Response Engineering in the ZSS - Security Services department. In this position, you will be responsible for responding to confirmed compromises on customer endpoints subscribed to the Active Remediation MDR service.

What you’ll do (Role Expectations)

• Perform investigations into detected threats and leverage security products to analyze, contain, and remediate threats in customer environments

• Provide customers with thorough reports of actions taken to ensure clarity on environment cleanup and protection strategies

• Identify and implement effective response strategies to further enhance the security posture of the customer base

• Collaborate with Detection Engineering, Threat Hunting, Intel, and Product teams to develop innovative methods for timely threat remediation

• Prioritize and execute tasks effectively in a fast-paced operational environment while participating a 24x7 on-call rotation

Who You Are (Success Profile)

• You thrive in a dynamic, fast-paced environment, viewing ambiguity not as a hindrance but as the raw material to build meaningful solutions.

• You act like an owner with a strong passion for the mission and a bias for action, navigating seamlessly between high-level strategy and hands-on execution.

• You are a natural problem-solver who is energized by finding solutions to complex technical challenges, knowing that tackling hard problems delivers the biggest impact.

• You are a lifelong learner with a true growth mindset, actively seeking feedback to continuously develop yourself and become a stronger teammate.

• You are driven by innovation, possessing a deep curiosity for how things work and a belief in the power of technology to accelerate transformation.

What We’re Looking for (Minimum Qualifications)

• Very strong analytical and problem-solving skills demonstrated through direct experience responding to security events and threats

• Mastery of Endpoint Detection and Response (EDR) products including CrowdStrike, Microsoft Defender for Endpoint, SentinelOne, or CarbonBlack

• Deep