Senior Threat Researcher: Threat Hunting & IR Expert

Guardz; Boston (MA); Sur place; USD 140 000 - 190 000; Plein temps

Résumé du poste

Guardz is seeking an experienced Senior Threat Researcher to join our Security Research team. You will operate at the intersection of advanced threat research, detection engineering, and incident response, serving as a senior escalation point for our security teams and the global MDR group.

You will investigate complex security incidents, uncover emerging threats, develop detection mechanisms, and conduct market research to shape product capabilities and security strategy.

Qualifications

• 5+ years hands-on experience in threat research, detection engineering, incident response, or advanced security operations.
• Strong background in Tier 3 security operations, including complex investigations, threat hunting, and remediation.
• Deep understanding of modern attack techniques, adversary behavior, and MITRE ATT&CK framework.
• Hands-on expertise in cloud, identity, email, and endpoint security (Microsoft 365, Entra ID, Google Workspace).
• Experience coding with Python and SQL and building detection logic for SIEM/EDR/XDR.

Responsabilités

• Research emerging attack techniques, vulnerabilities, and adversarial behaviors to build effective detection rules and response capabilities.
• Investigate threats and market trends to identify opportunities for product differentiation.
• Evaluate detection effectiveness, reduce false positives, and improve coverage.
• Serve as senior escalation point for MDR team, leading investigations and incident guidance.
• Collaborate with Security Research, Product, Engineering, and MDR to turn findings into scalable security capabilities.
• Support customer-facing discussions with security context and incident details.
• Develop methodologies, playbooks, and mentoring for analysts across the team.
• Explore new technologies and research methodologies to anticipate threats.

Connaissances

Threat research

Detection engineering

Incident response

Threat hunting

MITRE ATT&CK

Python

SQL

Strong communication

Outils

SIEM

EDR

XDR

Description du poste

Guardz is seeking an experienced Senior Threat Researcher to join our Security Research team. You will operate at the intersection of advanced threat research, detection engineering, and incident response, serving as a senior escalation point for our security teams and the global MDR group.

You will investigate complex security incidents, uncover emerging threats, develop detection mechanisms, and conduct market research to shape product capabilities and security strategy.