Threat Researcher at greynoiseintelligence

Setup: Remote
Type: Full-time
Level: not_specified
Posted: Aug 20, 2026

Description

GreyNoise Intelligence is seeking a Threat Researcher to develop and exploit various access points to generate cyber threat intelligence. The role involves leading hypothesis-driven hunting, clustering and tracking malicious activities, integrating new intelligence, and disseminating actionable insights to customers and the public. The ideal candidate will possess deep technical skills in networking, offensive tooling, and threat intelligence frameworks.

Required Skills

Computer Networking Fundamentals
Network Traffic Analysis
Offensive Tooling
Source Intelligence Research
Hardware and Embedded Systems
Query Languages (SQL)
Detection Rule Tuning
Binary Analysis and Reverse Engineering
Cyber Threat Intelligence Frameworks
Graph-Based Analysis Tools
AI Utilization

Additional Information

Required Previous Experiences: Deep technical ability to hunt through network traffic (full PCAP) at the macro and packet level
Deep technical skills with offensive tooling, tradecraft, and exploitation methodologies against network edge devices
Experience in open and commercial source intelligence research (public blogs, commercial data sets, etc)
Experience with hardware and embedded systems
Experience with query languages (such as SQL)
Experience producing and tuning detection rules (such as Suricata, YARA, etc)
Experience with binary analysis and reverse engineering
Experience with cyber threat intelligence frameworks and analytical tradecraft
Experience tracking and analyzing analyzing threats using graph-based analysis tools (e.g., Synapse)
Experience using AI (prompt engineering, harness engineering, etc)
Experience presenting at relevant security and intelligence community conferences
Preferred Qualifications: Deep understanding of computer networking fundamentals and protocols