Active Directory Secret Clearance

MATTHEW A. WILLIAMS

Palm Bay, FL *****

407-***-**** ******************@*****.*** LinkedIn URL

PROFESSIONAL SUMMARY

IT professional and U.S. Air Force Veteran with hands-on experience supporting classified DoD systems under SAP programs. Skilled in Active Directory administration, system hardening, backup/recovery and compliance monitoring across secure environments. Hold CompTIA SecurityX (CASP+) and Security+ CE (DoD 8570 IAT II/III compliant) with an active Secret clearance and SAP access. Familiar with automation tools such as Ansible and pursuing RHCSA certification to strengthen Linux expertise. Known for strong cross-team collaboration, clear documentation, and adherence to strict security standards. TECHNICAL SKILLS

Operating Systems: Linux (server/workstation), Windows 10/11, Windows Server System Administration: Active Directory, Group Policy, User/Computer Account Management, Patching, Backup/Recovery, System Hardening

Security & Compliance: RMF, STIG, Endpoint Compliance, DLP, Antivirus, Splunk, Audit Logging, SAP Requirements Networking: VLANs, Routing, Cisco Switches, DNS/DHCP Troubleshooting Virtualization & Tools: VMware, LDAP, SAN Storage (exposure), ITSM Tools (ticketing), Imaging & Deployment Automation & Scripting: Familiar with Ansible Bash & PowerShell Other: Asset Lifecycle, Accreditation/Certification, Documentation, Executive/End-User Support EDUCATION AND CERTIFICATIONS

Western Governors University Salt Lake City, Utah M.S. Cybersecurity & Information Assurance – February 2025 Western Governors University Salt Lake City, Utah B.S. Network Engineering and Security – July 2024

CompTIA SecurityX (CASP+), Security+ CE, PenTest+, Cloud+, Network+, A RHCSA (in progress, expected Nov 2025)

PROFESSIONAL EXPERIENCE

PC Network Support Technician II

Northrop Grumman – Melbourne, FL January 2025 – Present

● Administer Linux and Windows systems across classified networks only, ensuring compliance with DoD security standards.

● Manage Active Directory accounts for classified environments, including user provisioning, OU administration, and GPO troubleshooting.

● Collaborate with cybersecurity teams on endpoint compliance (Splunk, DLP, antivirus) and enforce STIG hardening requirements.

● Provide backup/recovery services and troubleshoot system failures to maintain high availability in mission-critical environments.

● Support SAP systems and access controls, following strict security documentation and reporting protocols.

● Coordinate with cross-functional teams to resolve incidents and maintain system reliability. IT Technician

Supervisor of Elections Office – Brevard County, FL September 2024 – December 2024

● Installed, configured, and maintained critical voting systems, desktop computers, and network infrastructure across multiple precincts during Florida’s historic 2024 General Election, which saw an 82.4% voter turnout

● Delivered rapid, professional end-user support in a Windows-based environment, providing onsite technical assistance to ensure continuous operations during early voting and Election Day

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