Zscaler
Principal Threat Researcher
$172K–$245K
Bellevue, Washington, USA +4 · Remote · Principal · Full-time · Posted Sep 30, 2026
- Location
- Bellevue, Washington, USA
Remote - USA
Santa Clara, California, USA
Santa Clara, California, USA
Remote - USA - Experience
- 12+ years conducting security research with actionable outcomes.
About the job
Researches adversary behavior across endpoint and cloud environments and turns findings into scalable detection recommendations that guide engineering and product strategy.
What you'll do
- Analyze emerging attack techniques, their customer impact, and available detection data sources.
- Develop automated attack code, test code, and proofs of concept to validate threat coverage and new detections.
- Collaborate on detection methodologies, document and present research, and mentor colleagues.
What they ask for
- Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions.
- Extensive security expertise in at least one operating system and experience with commercial EDR platforms.
- Security experience with at least one cloud service provider, cloud architectures, and cloud-based detection platforms.
- Software development in at least one scripting language and one compiled/assembled language; experience managing code with version control systems.
Nice to have
- Proven ability to use AI technologies and workflows to drive measurable operational efficiency.
- Public community engagement, security-vendor relationships to drive product enhancements, or experience building attack technique automation frameworks.
Pay
$171,500 — $245,000 USD (base salary)
Tools
Windows, macOS, Linux, AWS, Microsoft 365, Okta, PowerShell, Python
AI focus
Requires foundational AI/ML understanding and experience leveraging, securing, or positioning AI-driven solutions; preferred use of AI workflows to improve operational efficiency.
Model-written summary · the original posting is authoritative