Harold H.
Cyber Security Analyst Ii @Dod Contractor
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WORK HISTORY
Cyber Security Analyst Ii @Dod Contractor
Engineered and maintained Tanium Comply and Patch modules to support enterprise-wide vulnerability management and compliance initiatives aligned with CMMC Level 2, NIST 800-53 Rev5, and UKCE frameworks. • Designed and executed automated patch deployment and remediation workflows, reducing critical vulnerabilities by over 50% within the first 90 days of deployment. • Built and operationalized custom Tanium dashboards and reporting views, enabling real-time visibility into CVE severity, SLA adherence, and risk posture across classified and unclassified endpoint environments. • Integrated Tanium findings into SIEM (Splunk) and SOAR (Cortex XDR) platforms to support automated ticketing, incident validation, and remediation assurance. • Led investigation and triage of vulnerability exploits and misconfigurations, correlating Tanium telemetry with threat intelligence to drive prioritized remediation efforts. • Engineered enterprise email security defenses using Proofpoint, enhancing threat detection and prevention for phishing, spoofing, and advanced social engineering attacks. • Developed and tuned email detection policies and forensic investigation playbooks, identifying malicious payloads and reducing false positives across user-reported incidents. • Performed daily incident response operations, leading containment, investigation, and recovery efforts for endpoint and email security events. • Authored and maintained security engineering SOPs, vulnerability remediation playbooks, and incident response documentation in support of DoD audit readiness and change management policies. • Provided Tier 3 escalation support for endpoint and email-related security incidents, and mentored junior analysts on interpreting scan results, IOC analysis, and secure remediation workflows.
EDUCATION
The University of Tennessee at Chattanooga
Bachelor of Science - BS, Computer and Information Systems Security/Information Assurance
ABOUT HAROLD H.
Cybersecurity engineer with nearly a decade of hands-on experience securing federal…
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