CareerPlan

Principal Threat Researcher

RemoteFull-time$172k2026-10-01 → 2026-11-10
Remote

Core

Principal Threat Researcher serving as the definitive subject matter expert on adversary behavior across Endpoint and Cloud environments, dissecting and replicating sophisticated cyber attacks to drive defensive capabilities.

Role type

Principal Threat Researcher (Senior IC)

Builds

Scalable detection recommendations, automated attack code, proofs of concept, and engineering prioritization for Zscaler's Zero Trust Exchange platform.

Domain

Cybersecurity, Cloud Security, Endpoint Security, Adversarial AI

Deliverable

production ML models

Required skills

Adversarial mindset, Endpoint Detection & Response (EDR) expertise, Cloud security architecture, Scripting (PowerShell, Python), Compiled/Assembled languages (C, C++, Rust, Go), Version control (Git/GitHub), AI/ML technologies

Preferred skills

AI-driven operational efficiency, Public community engagement (talks, blogs), Vendor relationship management

Technologies

AWS, Microsoft 365, Okta, Git/GitHub, PowerShell, Python, C, C++, Rust, Go

Responsibilities

Scope and refine research initiatives on emerging attack techniques; Engineer automated attack code and validate threat coverage; Collaborate with detection engineers and analysts to develop new methodologies; Document and present research findings to internal and external audiences; Mentor junior team members.

Seniority

Principal, hands-on IC with strategy influence