Staff Threat Researcher

About Zscaler

Serving thousands of enterprise customers around the world including 40% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world’s largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange™ platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler. 

Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy.

We're looking for an experienced Staff Security Researcher to join our Zscaler Threat Hunting team. Reporting to the Director, Zscaler Threat Hunting, you'll be responsible for:

• Analyze emerging threats, adversarial behaviors, and tactics, techniques, and procedures (TTPs) to understand attacker methodologies and improve detection capabilities
• Conducting proactive and retroactive threat hunting using Zscaler telemetry drawing from proven experience in behavioral-based threat hunting
• Researching, analyzing, validating, and clearly documenting threat hunting findings
• Independently hunting and responding to customers while working flexible schedules, including weekend night shifts and providing on-call support as needed to meet operational demands while getting two days off during the weekdays

What We're Looking for (Minimum Qualifications)

• Proven experience in one or more of the following - threat hunting, incident response, security operations, malware analysis, blue teaming, purple teaming or network defence
• Hands-on experience in a Security Information and Event Management (SIEM) tool, such as Splunk, Microsoft Sentinel, or ElasticSearch
• Familiarity with MITRE ATT&CK framework and modern Tactics, Techniques, and Procedures (TTPs)
• Bachelor’s or graduate degree from four-year college or university (preferably in Computer Science, Engineering, or a related discipline), or equivalent security industry work experience

What Will Make You Stand Out (Preferred Qualifications)

• Must be able to validate findings, perform root cause analysis, and deliver recommendations
• Scripting and automation skills (Python preferable)
• Must have excellent reporting and analytical skills and experience writing IDS/IPS, YARA signatures
• Experience in network-based threat detection

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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:

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines.

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