Provides hands-on endpoint, mobile, network, and infrastructure security for executives, remote offices, and sensitive locations. Responsibilities include configuring devices and controls, conducting site security assessments, remediating gaps, troubleshooting security systems, coordinating with Physical Security and vendors, maintaining documentation and runbooks, supporting audits, and responding to urgent after-hours issues. Regular domestic and international travel is required.

This role involves defining and leading the security and risk strategy for Circle's products, ensuring compliance across jurisdictions while managing product security, compliance operations, and risk assessment.

Lead detection and response across cloud, blockchain, and AI surfaces. Build detection coverage, run incident response, deploy SOC AI tooling, maintain SIEM/SOAR and orchestration, and collaborate cross-functionally to remediate threats and improve visibility. Participate in on-call rotation and support threat modeling, vulnerability scans, and custom tooling.