Jake Zegeer

Experience

1. Information Specialist Knowledge Engineer

   Leidos

   Jan 2024 — Present · Washington, DC, US

   Asset Management & System Integration• Supported deployment and maintenance of Axonius instances across DHS components under the CDM Program.• Configured and managed Axonius adapters to ingest asset data from tools like CrowdStrike, Tenable, Active Directory, Tanium, AWS, Azure, ServiceNow, and Zscaler(And several others) in compliance with CDM standards.• Assisted in integrating new EDR and vulnerability management solutions, ensuring data normalization and visibility across HWAM, SWAM, VUL, and CSM domains.• Monitored system health and data pipelines using various dashboards to ensure ingestion performance and uptime.• Performed asset validation, tagging, and boundary alignment activities to support FISMA compliance. Security Architecture & Strategic Consulting• Partnered with Microsoft SMEs and the Chief Technology Officer to present Microsoft Sentinel and Defender capabilities to DHS leadership.• Demonstrated advanced EDR features, including behavioral analytics, threat hunting, and automated responses.• Evaluated Sentinel\'s integration with the CDM ecosystem, focusing on asset enrichment and real-time threat detection.• Assessed Sentinel’s case management tools for Known Exploited Vulnerabilities (KEVs), identifying key limitations in workflow scalability and maturity relative to DHS needs. Data Engineering, Reporting & Knowledge Management• Led development of a FISMA Scorecard framework using Power BI to visualize compliance metrics aligned with CISA’s Cybersecurity Asset Management model.• Engineered scalable solutions to normalize and process large datasets, reducing data volume while improving usability for executive reporting.• Created automations on a dedicated utility server for off-hours ingestion, transformation, and validation tasks—enhancing efficiency and reducing manual overhead.• Recommended improvements in knowledge management, collaboration tools, and automation workflows to streamline operations.

Education

• George Mason University - College of Engineering and Computing

  Bachelor of Science - BS

• Georgetown University

  Master's degree