D
David Mickenberg
About
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Salt Lake City, Utah, United States
Résumé
Jobs
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Information System Security Engineer (ISSE)L3Harris TechnologiesNov 2023 - Current (2 years 11 months)Supported cybersecurity engineering and compliance operations for classified DoD infrastructure environments, partnering with cross-functional technical teams to strengthen system security, enforce DISA STIG compliance, support RMF activities, and improve operational resilience across virtualized enterprise platforms.
• Engineered and deployed a STIG-compliant Windows 11 master image across more than 100 enterprise systems, improving deployment efficiency by 75% while standardizing endpoint security baselines and compliance enforcement.
• Directed VMware ESXi and Windows Server hardening initiatives aligned with DISA STIG and NIST 800-53 requirements, improving baseline compliance metrics by 30% and strengthening infrastructure se- ASystem AdministratorArizona Department of TransportationJul 2023 - Nov 2023 (5 months)Managed hybrid enterprise infrastructure operations supporting geographically distributed users, servers, and endpoints while strengthening access management, virtualization capabilities, and operational security across public-sector technology environments.
• Directed end-of-life server migration initiatives by deploying Hyper-V virtualization hosts, consolidating legacy hardware systems and improving operational scalability, resiliency, and resource utilization efficiency.
• Administered Active Directory environments supporting more than 650 endpoints, managing Group Policy Objects, secure user provisioning, and permission hierarchies aligned with enterprise access control requirements.
• Maintained hybrid infrastructure en - ASenior System ExecutiveAIT Accountability, LLCAug 2021 - Mar 2023 (1 year 8 months)Provided Tier 2 & Tier 3 infrastructure and cybersecurity support across multi-client environments, leading virtualization administration, secure access management, and operational continuity improvements supporting mission-critical business operations.
• Delivered advanced systems administration and cybersecurity support across more than 30 client environments, strengthening Active Directory governance, secure network operations, and endpoint access management practices.
• Managed VMware and Hyper-V environments supporting continuous service availability, secure infrastructure operations, and operational continuity requirements for business-critical applications and services.
• Redesigned disaster recovery documentation and
Education
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- Master of Science (MS), CybersecuritySouthern New Hampshire UniversityJan 2024GPA: 3.9/4.0 | Honor Society Member
- Bachelor of Science (BS), Information System SecurityITT Technical InstituteJan 2013GPA: 3.78/4.0 | Honor Society Member
- Associate of Science (AS), Computer NetworkingITT Technical InstituteJan 2011Honor Society Member
- CompTIA Security+ (DoD 8570 IAT Level II Compliant)CompTIA
- CompTIA Network+CompTIA
- CompTIA A+CompTIA
Projects (professional or personal)
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- PVulnerability Remediation & Continuous MonitoringProfessional ExperienceSupported enterprise vulnerability management initiatives utilizing Nessus and ACAS scanning tools to identify security gaps, coordinate remediation activities, and improve audit readiness for DoD-aligned infrastructure systems.
- PEnterprise STIG Standardization InitiativeProfessional ExperienceDeveloped and deployed a standardized Windows 11 enterprise image aligned with DISA STIG requirements, improving deployment consistency, reducing configuration drift, and strengthening endpoint security enforcement across enterprise infrastructure environments.
- PVirtual Infrastructure Security EnhancementProfessional ExperienceImplemented VMware ESXi and Hyper-V hardening initiatives supporting secure virtualization operations, improved compliance alignment, and stronger infrastructure resiliency across mission-critical enterprise environments.