Raf S.
Cloud, Cybersecurity & Threat Detection Engineer @Public Company Accounting Oversight Board (PCAOB)
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WORK HISTORY
Cloud, Cybersecurity & Threat Detection Engineer @Public Company Accounting Oversight Board (PCAOB)
Lead detection engineering across Splunk and Azure Sentinel, authoring high-fidelity rules mapped to MITRE ATT & CK (brute force, MFA bypass, LOLBins, webshells, Kerberoasting, Golden Ticket)- Built and automated detection-as-code pipelines (GitHub Actions), Python-based IOC enrichment, and SOAR playbooks (Google SOAR+, Splunk Phantom, Sentinel) for enrichment and automated response- Integrated telemetry from Azure, AWS, GCP, Defender XDR, Zscaler, Palo Alto, Salesforce, and ServiceNow, ensuring full SOC visibility- Designed compliance-driven detections for HIPAA and PCI, authored threat models for fintech and healthcare workloads, and partnered with red/purple teams to validate coverage- Delivered executive dashboards mapping detection coverage to MITRE ATT & CK and closing detection gaps identified during adversary simulations.
EDUCATION
Wichita State University
Master of Science - MS, Computer Engineering
ABOUT RAF S.
Builds and fixes cloud security programs in regulated enterprises where audit pressure…
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