Staff Security Researcher

About Zscaler

Zscaler accelerates digital transformation so our customers can be more agile, efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of 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 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 make a positive difference on a global scale, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity.

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 a Staff Security Researcher to join our Engineering team. Reporting to the Senior Director of Information Security, you will be responsible for:

• Leading technical responses for critical product security incidents by coordinating with Engineering, Product, and Legal teams to ensure swift resolution and mitigation
• Owning the triaging, investigation, and management of product vulnerabilities from intake (e.g., bug bounty reports, researcher submissions, internal discoveries) to resolution, prioritizing high-impact issues with critical urgency
• Serving as the primary technical interface for the bug bounty program by validating, reproducing, and assessing the business impact of reported vulnerabilities
• Conducting thorough root cause analysis for vulnerabilities and provide engineering teams with secure, scalable remediation strategies to prevent recurrence
• Using insights from identified vulnerabilities to enhance secure development lifecycle (SDL) processes, improve coding standards, and influence security architecture to minimize future risks

What We’re Looking for (Minimum Qualifications)

• 5+ years of cybersecurity experience, particularly in incident response or product security
• Bachelor’s degree (or equivalent experience) in a relevant field like Cybersecurity, Computer Science, or Information Systems
• Proficiency in security principles, secure coding practices, and protocols (e.g., HTTP, TCP/IP)
• Hands-on experience managing security incidents, including malware and exploits
• Experience with SIEMs, vulnerability scanners, and scripting tools like Python or PowerShell

What Will Make You Stand Out (Preferred Qualifications)

• Certifications like CISSP, CEH, OSCP, or related credentials
• Experience with SDLC (secure development lifecycle) and code reviews
• Advanced tools proficiency (e.g., EDR platforms, threat intelligence tools)

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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$115,500—$165,000 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 empl