Principal Threat Researcher (Fully Remote)

Zscaler; United States; Remote; USD 140,000 - 240,000; Full time

Job summary

Zscaler seeks a senior security researcher to act as a subject matter expert on adversary behavior across endpoint and cloud environments. You will translate complex research into scalable detections and mentor junior researchers, driving strategy from research to execution.

The role requires deep security research experience, OS and cloud provider specialization, and hands-on work with EDR and scripting languages (Python, PowerShell) along with compiled languages (C/C++/Rust/Go).

Qualifications

• 12+ years of security research with deep domain expertise.
• Expertise in one OS and one major cloud provider.
• Experience with EDR and scripting (Python/PowerShell) and compiled languages (C/C++/Rust/Go).

Responsibilities

• Subject matter expert on adversary behavior across endpoint and cloud.
• Translate research into scalable detections and mentor junior researchers.

Skills

Adversary behavior

Security research

Python scripting

PowerShell scripting

C/C++/Rust/Go

Tools

EDR

Job description

• Subject matter expert on adversary behavior across endpoint and cloud.
• Translate research into scalable detections and mentor junior researchers.

Who You Are:

• Thrive in ambiguity, act like an owner, and navigate strategy to execution.
• High-trust collaborator with a challenge culture and continuous learning mindset.

What We're Looking For:

• 12+ years security research, expertise in one OS and cloud provider.
• Experience with EDR, scripting (Python/PowerShell), and compiled languages (C/C++/Rust/Go).

Zscaler

Zscaler provides a cloud security platform that securely connects users to applications, protecting customers from cyberattacks and data loss. It is the world's largest in-line cloud security platform with an AI-native culture.