Chas White
Shreveport,USA
Summary
U.S. Navy Veteran with over seven years of progressive experience in IT systems and network administration specializing in Microsoft and Cisco infrastructure, virtualization, and enterprise security management. Proven expertise in Active Directory, Windows Server administration, SCCM, WSUS, DHCP, and Group Policy, ensuring secure and efficient operations across complex enterprise environments. Active Top Secret/SCI Security Clearance with a record of optimizing system performance, implementing STIG compliance, and enhancing cybersecurity posture for mission-critical systems. Skilled in network design, system automation, and cross-functional collaboration to deliver resilient and scalable solutions. Demonstrated leadership in training and mentoring junior sailors and technical specialists, fostering teamwork, technical growth, and operational excellence. Recognized for improving efficiency, strengthening security compliance, and leading end-to-end deployments across hybrid infrastructures integrating Microsoft 365, VMware, and Cisco technologies.
Overview
5
5
years of professional experience
1
1
Certification
Work History
System Administrator
United States Navy
12.2019 - 05.2025
- Configured, implemented, and maintained Windows Server environments including Active Directory, DNS, DHCP, Group Policy, WSUS, and SCCM, ensuring high system availability and performance.
• Administered user and group accounts in Active Directory, managed PKI certificates, and enforced security policies through GPOs to maintain a compliant enterprise environment.
• Designed and deployed system architectures and network environments for new and existing infrastructures, improving scalability and reliability.
• Installed and maintained server hardware components such as storage, memory, and network interfaces following industry best practices.
• Assisted in developing and testing disaster recovery and continuity plans for mission-critical applications and systems.
• Diagnosed and resolved complex system and network issues while collaborating across departments to ensure minimal downtime.
• Authored detailed technical documentation and standard operating procedures for configurations, patching, and deployment processes. - Performed vulnerability scans, implemented STIGs, and added custom security controls to reduce the system attack surface.
• Led operating system patch deployment and update initiatives using SCCM and automated tools, ensuring timely patch compliance across all servers.
• Supported the Microsoft 365 ecosystem including Exchange, Teams, Intune, Entra ID (Azure AD), OneDrive, and Data Loss Protection by configuring services and managing users across hybrid environments.
• Provided desktop and end-user support for managed service clients, diagnosing hardware, software, and connectivity issues on-site.
• Conducted vulnerability assessments of lab systems and network equipment and created isolated test environments for security and software validation. - Designed and modified configuration templates and network setups based on evolving business and security requirements.
• Supported SharePoint Online and SharePoint Subscription Edition, maintaining integrations with Active Directory and SQL while optimizing synchronization and data access.
• Automated routine administrative tasks by creating small tools and scripts to enhance team efficiency and accuracy.
• Maintained accurate configuration records and access logs to ensure compliance with internal controls and federal cybersecurity standards.
• Collaborated with cross-functional teams to resolve system issues, assist with IT project coordination, and document new procedures.
• Recognized for implementing efficient group policies and improving operational efficiency through strategic program deployments.
• Researched emerging technologies and cybersecurity trends to inform process improvements and infrastructure evolution.
Education
Bachelor of Science (B.S.) - Cyber Security
University Maryland Global Campus
Adelphi, MD02.2026
Skills
- Windows Server Administration Active Directory & Group Policy
- Network Administration & Troubleshooting SCCM, WSUS, ACAS
- Virtualization (VMware, vSphere) Microsoft 365 & Azure Admin
- VoIP Configuration Client-Server Architect Hardware Installation
- System Security & STIG Compliance Team Leadership & Training
- Customer Service Technical Support Device Configuration
Certification
- Cisco Certified Network Associate
- CompTIA Security+
Timeline
System Administrator
United States Navy
12.2019 - 05.2025
Bachelor of Science (B.S.) - Cyber Security
University Maryland Global Campus