Email Security Architecture & Management
- Led the migration of the enterprise email security stack from Proofpoint to Check Point Harmony Email & Collaboration, decommissioning the legacy environment to achieve a $15,000 annual cost saving.
- Engineered advanced Safe Sender/Block lists and tuned Anti-Phishing thresholds, resulting in a 60% decrease in false positives and a 90% reduction in user-reported phishing attempts.
- Neutralized 10+ targeted campaigns per month by configuring threat policies to block malicious attachments and macro-enabled files.
Security Operations (SecOps) & Threat Hunting
- Manage daily security operations using CrowdStrike Falcon, performing proactive threat hunting and endpoint remediation.
- Maintained a 15-minute Mean Time to Respond (MTTR) for critical security alerts, ensuring rapid containment of potential threats.
- Triaged and resolved 15+ security tickets weekly using NinjaOne and Microsoft 365, focusing on conditional access and device compliance.
Governance, Risk, and Compliance (GRC)
- Authored and operationalized core security documentation, including the Incident Response Plan (IRP) and Business Continuity Plan (BCP).
- Conducted annual Third-Party Vendor Risk Assessments for 20+ strategic vendors to ensure alignment with internal security standards.
- Standardized IR workflows, reducing team mobilization time by over 30% during simulated incidents.
Infrastructure Hardening & Vulnerability Management
- Improved external security score by 70+ points by hardening Cisco Meraki firewall configurations and utilizing NinjaOne for automated patch management.
- Enforced "Least Privilege" principles by auditing and reducing Administrator roles within Microsoft 365 and local endpoints.