Founding Security Analyst – AI-Driven MDR Lead

Theory Ventures; New York (NY); On-site; USD 140,000 - 210,000; Full time

Job summary

Artemis is building the future of AI-driven cybersecurity. We’re seeking a Senior Security Analyst to join Apollo, the managed detection and response service Artemis delivers on top of its platform.

You will lead investigations across cloud, identity, endpoint, and SaaS, guiding customers through what matters and why. You will work with engineers to shape the platform, write up clear analyses, and deliver actionable outcomes that protect dozens of Fortune 500 customers.

Qualifications

• 4+ years in SOC/MDR operations with senior-level responsibilities.
• Experience across identity, cloud, endpoint, and SaaS telemetry.
• Strong knowledge of MITRE ATT&CK and attacker techniques.
• Excellent written communication and customer-facing skills.

Responsibilities

• Own investigations from pickup to close, determining impact and verdict.
• Investigate attacker activity across identity, cloud, endpoint, and SaaS.
• Lead response with containment and clear next steps.
• Hunt for threats with AI-assisted methods and create new detections.
• Collaborate with engineers to inform product and detection engineering.

Skills

Security operations

Senior analyst

MITRE ATT&CK

AI-assisted investigation

Log analysis

Customer-facing

Tools

Okta

Entra ID

AWS

Azure

GCP

EDR

Microsoft 365

Google Workspace

Sigma

YARA-L

SPL

KQL

Job description

Artemis is building the future of AI-driven cybersecurity. We’re seeking a Senior Security Analyst to join Apollo, the managed detection and response service Artemis delivers on top of its platform.

You will lead investigations across cloud, identity, endpoint, and SaaS, guiding customers through what matters and why. You will work with engineers to shape the platform, write up clear analyses, and deliver actionable outcomes that protect dozens of Fortune 500 customers.