Network Administrator Active Secret

TONY NGUYEN

512-***-**** ️ ******.*******@*****.***

Clearance: Active Secret (TS/SCI Eligible) Certifications: CCNA, Security+ CISSP (In Progress)

PROFESSIONAL SUMMARY

Mission-driven Network Administrator with 4+ years of experience supporting secure IP, voice, and video infrastructure in dynamic DoD and military environments. Skilled in operating network operations centers, configuring VLANs and firewalls, and providing remote assistance and escalation for critical network incidents. Proven ability to support Cisco Communications, backup infrastructure, and enforce DoD security standards. Strong communicator and team player with shift work flexibility. Actively pursuing CISSP to complement current IAT Level II compliance (CCNA, Security+).

TECHNICAL SKILLS

Networking: Cisco routers/switches, VLANs, OSPF, IPv4/IPv6, subnetting

Security: Palo Alto firewalls, ACLs, DoD STIGs

Infrastructure: Dell R420xr servers, VMware

Protocols: TCP/IP, UDP, DNS, DHCP, VoIP

Tools: Putty, PowerShell, SNMP, MS Office

Soft Skills: Detail-oriented, adaptable, independent, shift-flexible

PROFESSIONAL EXPERIENCE

US Army

Nodal Network Systems Operator – Fort Cavazos, TX June 2021 – Present

Operated and monitored Joint Network Node (JNN) systems supporting classified voice, video, and data communications.

Conducted triage and troubleshooting of network issues across Cisco, Redcom, and Palo Alto devices in support of DoD operations.

Configured and managed VLANs, DNS/DHCP services, and static routing with OSPF across tactical and enterprise networks.

Installed, maintained, and decommissioned multimode fiber optic infrastructure and performed system inventory management.

Supported backup server operations and maintenance of Dell R420xr systems, ensuring network resilience and recovery capability.

Enforced DoD compliance through firewall ACL configuration and security patching procedures.

Regularly briefed senior leadership and supported shift-based operations including weekends and overnight missions.

EDUCATION

Bachelor of Science in Computer Engineering

University of Texas at Dallas – Richardson, TX

CERTIFICATIONS

CCNA – Cisco Certified Network Associate (Valid through Oct 2026)

Security+ – CompTIA Security+ (Valid through Feb 2027)

CISSP (In Progress) – ISC

Clearance: Active Secret (TS/SCI Eligible)

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