Principal Threat Researcher

Job overview

The Principal Threat Researcher role is listed as remote, with Santa Clara, CA shown in the feed. The annual base salary range is $171,500–$245,000 USD. The role reports to the Manager of Threat Research and supports Zscaler’s Threat Research Team, whose work informs defensive capabilities and product strategy. The researcher analyzes adversary behavior across endpoint and cloud environments and turns findings into scalable detection recommendations. The role develops attack and test code, collaborates with detection engineers, intelligence analysts, and threat hunters, presents research findings, and mentors colleagues.

What you'll do

• Scope research into emerging attack techniques and detection data sources across operating systems and cloud/SaaS providers
• analyze threat techniques and detection optics
• develop automated attack code, test code, and proofs of concept for detections
• collaborate on detection methodologies and engineering recommendations
• document and present findings and mentor colleagues.

What we're looking for

Skills & competencies

zscaler

principal threat researcher

threat research

cybersecurity

adversary behavior

endpoint security

cloud security

detection engineering

attack research

santa clara ca

remote

base salary $171,500-$245,000/year

Work arrangement

• Weekend coverage required

Benefits & perks

• Various health plans, vacation and sick time, parental leave options, retirement options, education reimbursement, and in-office perks.

Why this role

Research findings directly inform engineering priorities, product strategy, vendor telemetry, and defensive capabilities.

About the employer

Zscaler is hiring for this role. Industry: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. Sector: 51.