Senior Threat Researcher

Guardz • Rayne Township, PA

2d

About The Position

Guardz is seeking an experienced, resourceful Senior Threat Researcher to join its Security Research team. The role operates across advanced threat research, detection engineering, and incident response, serving as a technical escalation point for security research teams and the global Managed Detection and Response (MDR) team. The researcher investigates complex security incidents, uncovers emerging threats, develops detection mechanisms, and conducts security market research to inform product capabilities and security strategy. This is a hands-on, high-impact position for someone who takes ownership, solves complex problems, and is comfortable working in uncharted technical territory.

Requirements

• At least 5 years of hands-on experience in threat research, detection engineering, incident response, or advanced security operations.
• Strong background in Tier 3 security operations, including complex incident investigations, threat hunting, and threat mitigation.
• Deep understanding of modern attack techniques, adversary behavior, and frameworks such as MITRE ATT&CK.
• Hands-on expertise in cloud, identity, email, and endpoint security, particularly Microsoft 365, Entra ID, and/or Google Workspace.
• Experience developing, testing, and optimizing detection logic within SIEM, EDR, XDR, or similar security platforms.
• Strong scripting and analytical capabilities, including Python and SQL.
• Experience researching AI-driven threats, agentic AI security, or AI-powered detection and response.
• Broad knowledge of cybersecurity technologies, attacker methodologies, and the modern security vendor landscape.
• Strong communication skills and the ability to explain sophisticated technical concepts to technical and non-technical stakeholders.

Responsibilities

• Research emerging attack techniques, vulnerabilities, and adversarial behaviors, translating findings into detection rules, security controls, and response capabilities.
• Research cybersecurity technologies, competitor capabilities, market trends, and evolving attack surfaces to identify opportunities for product innovation and differentiation.
• Evaluate detection effectiveness, identify coverage gaps, reduce false positives, and improve detection accuracy.
• Serve as a senior technical escalation point for the global MDR team, leading complex investigations, threat hunting, root cause analysis, and incident response guidance.
• Partner with Security Research, Product, Engineering, and MDR teams to turn technical findings and field insights into scalable security capabilities.
• Partner with Customer Success and other go-to-market teams to provide security guidance and technical context for customer-facing discussions about complex incidents, findings, and response actions.
• Develop investigation methodologies, detection strategies, and response playbooks, and mentor and support analysts across global security operations.
• Explore new technologies, tools, and research methodologies to anticipate emerging threats and strengthen Guardz's security offering.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed