Senior Threat Researcher

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🔥 0 minutes ago

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

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Guardz

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2022

🔒 Cybersecurity

☁️ SaaS

🤝 B2B

💰 $56M Series B - Guardz on 2025-06

Cybersecurity • SaaS • B2B

Guardz is a unified, identity-centric cybersecurity platform and managed detection and response (MDR) provider built for managed service providers (MSPs). It offers AI-native 24/7 detection and human-led MDR, endpoint and identity threat detection (EDR/ITDR), email security, cloud data protection, security awareness training, phishing simulations, external attack surface monitoring, and integrated cyber insurance — all delivered as a multi-tenant SaaS to consolidate security controls, reduce alert fatigue, and streamline MSP operations.

📋 Description

• Research emerging attack techniques, vulnerabilities, and adversarial behaviors, translating findings into effective detection rules, security controls, and response capabilities. • Research emerging cybersecurity technologies, competitor capabilities, market trends, and evolving attack surfaces to identify opportunities for product innovation and differentiation. • Continuously evaluate detection effectiveness, identify coverage gaps, reduce false positives, and improve detection accuracy. • Serve as a senior technical escalation point for Guardz's 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 expert security guidance and technical context for customer-facing discussions involving complex incidents, findings, and response actions. • Develop investigation methodologies, detection strategies, and response playbooks, while mentoring and supporting analysts across our global security operations. • Independently explore new technologies, tools, and research methodologies to anticipate emerging threats and strengthen Guardz's security offering.

🎯 Requirements

• 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 both technical and non-technical stakeholders.

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