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Richard LeeRL
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Richard Lee

@richardlee8

IT Specialist in the U.S. Army National Guard configuring Cisco tactical networks and developing Windows security auditing tools.

United States
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In the U.S. Army National Guard, I configure and maintain Cisco routers and switches in tactical networks, and troubleshoot Layer 1–3 connectivity issues during field exercises. I also support Windows Server and Active Directory administration, Information Assurance procedures, and COMSEC equipment maintenance.

I co-developed AssetWatch, a Windows endpoint security posture monitor that reports system configuration data to a Flask and SQLite backend. Its baseline-based port monitoring and rule-driven checks identify risks while reducing false positives from Windows dynamic ports.

I built AccessLens to audit Active Directory security, flagging risky accounts and broad privileged-group access. It also traces nested group memberships and generates severity-ranked HTML findings with evidence and remediation guidance.

Experience

Work history, roles, and key accomplishments

UG
Current

IT Specialist (25B)

U.S. Army National Guard

Oct 2024 - Present (2 years)

Configure, deploy, and maintain Cisco routers and switches in tactical networks, including VLANs, port security, IP addressing and subnetting, and CAT5/CAT6 cabling. Troubleshoot Layer 1-3 connectivity issues using an OSI-based approach and support Windows Server/Active Directory administration.

AI

Member

Association for Computing Machinery (ACM), UC Irvine

Sep 2022 - Jun 2025 (2 years 9 months)

Solved algorithmic problems using data structures and dynamic programming, with emphasis on time/space complexity and efficient implementation. Participated in peer code reviews focused on algorithmic efficiency, maintainability, and code quality.

Education

Degrees, certifications, and relevant coursework

University of California, Irvine logoUI

University of California, Irvine

Bachelor of Science, Computer Science

Grade: 3.6

Graduated with a B.S. in Computer Science, Intelligent Systems Specialization, with a GPA of 3.6.

Seoul National University logoSU

Seoul National University

Exchange Student, Electrical and Computer Engineering

Participated as an exchange student in the Department of Electrical and Computer Engineering.

Tech stack

Software and tools used professionally

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