Hyuntae Yoo (Hunter Yoo)

Education

Purdue University

Aug 2020 – Dec 2026

B.S. Cybersecurity, Network Engineering Technology · GPA 3.68

West Lafayette, IN

Experience

Network Engineering Aide

Jan 2025 – Sep 2026

Purdue University

West Lafayette, IN

Provisioned Cisco switches and routers and fulfilled campus IT service tickets for device lifecycle operations, including service changes and equipment repairs.
Traced campus fiber connections and performed repairs as needed to support network maintenance.
Verified access point and telecommunications-room records against physical infrastructure, corrected discrepancies, and supported ISO audit preparation.

Public Cloud Security Intern

Jul 2026

LG Uplus

Seoul, South Korea

Designed an AWS-focused Zero Trust security architecture for a multi-cloud environment based on NIST SP 800-207 and KISA guidelines.
Developed a centralized AWS access governance model using IAM Identity Center, standardized permission sets, and AWS Organizations SCP guardrails to support least-privilege access across multiple accounts.
Designed security workflows incorporating device posture checks, short-lived credentials, centralized monitoring, and automated remediation.
Selected as an outstanding intern.

Teaching Assistant

Aug 2024 – May 2025

Purdue Polytechnic Institute

West Lafayette, IN

Guided students on Windows System Administration projects each semester, supporting their understanding and skill development.
Evaluated assignments and projects, providing detailed feedback to improve student learning outcomes.
Identified and resolved technical issues in the lab environment to keep operations running smoothly for students.

Datacenter Infrastructure Engineer

Jul 2024 – Aug 2024

Purdue Polytechnic Institute

West Lafayette, IN

Built a two-room data center environment supporting research and instructional needs.
Installed and configured physical servers, cabling, and power distribution systems.
Configured Cisco and HP network equipment for a learning environment.

IT Specialist

Nov 2021 – Aug 2023

Republic of Korea Air Force

South Korea

Configured and repaired IT endpoints across internet, intranet, and private networks.
Troubleshot hardware, software, and network issues using technical procedures.
Provided IT equipment maintenance and communications support during a two-month unit assignment.

Projects

Hybrid Cloud Security HomeLab & Zero Trust Design

Dec 2025 – Present

Built a hybrid lab using OCI, VMware ESXi, and UniFi, separating management, internal services, and public-facing environments through VLANs and DMZ segmentation.
Configured K3s with DNS/HTTPS service access to support incident response training.
Hardened remote administrative access using Tailscale subnet routing, UniFi firewall policies, and Linux UFW to restrict management exposure.
Designed Zero Trust access workflows covering permission revocation during role changes and just-in-time production access with approvals and automatic expiry.

Certifications

Cisco Certified Network Associate · Cisco

Valid through Sep 2029

LPIC-1: Linux Administrator · Linux Professional Institute

Valid through Apr 2028

AWS Certified Cloud Practitioner · Amazon Web Services

Valid through Nov 2028

Technical skills

Networking & infrastructure: Cisco, Juniper, Aruba, UniFi, VLANs, DMZ, IPv4/IPv6, DNS, DHCP, NAT, STP, SNMP, Wireshark, LibreNMS, wireless, fiber

Systems, cloud & services: Linux administration, Windows, VMware ESXi, OCI, Kubernetes, Vagrant, Docker, cloud-native infrastructure, cloud-init, Confluence/Jira

Security: Zero Trust architecture, network segmentation, firewalls/ACLs, pfSense, UFW, Tailscale, TLS/HTTPS, PKI, IDS/IPS, ISO/IEC 27001