Senior 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 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 Senior Security Researcher to join our Threatlabz team. Reporting to the Sr. Director, Managed Threat Hunting, you'll be responsible for:

• Perform event correlation analysis using data gathered from a variety of sources to detect and confirm attacks
• Provide detection and alerting of possible attacks and intrusions
• Analyse activity to identify weaknesses that were exploited and perform root cause analysis
• Proactively hunt threats, blue teaming, performing exploit and vulnerability research, all to find and close holes exploited by bad actors
• Malware, exploits and infection chain (kill-chain) research to ensure detection
• Write blog posts and whitepapers related to advanced threat analysis
• Write threat hunting signatures to discover new instances in Zscaler cloud and OSINT

The Security Researcher will proactively hunt threats, blue teaming, performing exploit and vulnerability research, all to find and close holes exploited by bad actors.

ThreatLabZ is the security research arm of Zscaler. This world-class team hunts new threats and ensures that the 15 million users on the global Zscaler platform are always protected. In addition to malware research and behavioural analysis, team members are involved in the research and development of new prototype modules for advanced threat protection on the Zscaler platform, and conduct internal security audits to ensure that Zscaler products and infrastructure meet security compliance standards. ThreatLabZ publishes in-depth analyses of emerging threats on its portal, research.zscaler.com.

Location - Mohali or Pune or Bangalore

• Must have 4+ years of hands-on experience in a Security Information and Event Management tool, such as Splunk, ElasticSearch.
• Must have Hands-on Threat Hunting experience
• Strong understanding of tools, tactics and procedures (TTPs) of threats actors (eCrime/APT)
• Experience in Incident Analysis and Response using industry standard frameworks such as MITRE ATT&CK and the Cyber Kill Chain
• Experience with Malware analysis - Dynamic & Static, Tools like – IDA Pro, Ollydbg, Wireshark etc.

• Must be able to validate findings, perform root cause analysis, and deliver recommendations for fixes
• Strong scripting and automation skills are must (Python preferable)
• Must have excellent reporting and analytical skills.
• Strong understanding of web protocols and web application security
• Experience writing IDS/IPS, YARA signatures

#LI-Onsite

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

Zscaler is proud to be an equal opportunity and affirmative action employer. We celebrate diversity and are committed to creating an inclusive environment for all of our employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status or any other characteristics protected by federal, state, or local laws.

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