Yoonyeong Yang
Network Engineer
Seoul,11
Summary
"Always Fun, Always the Best."
This motto is the foundation of my work philosophy. In the face of unforeseen challenges or limitations, I remain committed to finding solutions with the best possible approach. I firmly believe that difficult moments are only temporary, and overcoming them leads to positive outcomes. As a results-driven Network Engineer with 7 years of experience in deploying and maintaining LAN and WAN infrastructure, I have a proven track record of successfully managing complex systems, troubleshooting, and delivering high-quality solutions. My expertise in planning, project management, and communication allows me to excel in both individual and team settings, consistently driving successful outcomes.
Overview
8
8
years of professional experience
4
4
years of post-secondary education
4
4
Certifications
3
3
Languages
Work History
Manger/Network Engineer
Ubiquoss Inc
08.2021 - Current
- Switch Functionality Testing & Protocol Debugging
- Conducted L2/L3 protocol functionality and performance testing using Traffic Generator(N2X)
- Identified and resolved protocol issues (e.g., BGP session flaps, MPLS signaling) through JIRA and close collaboration with R&D teams, ensuring improved network stability - 5G Private Network Deployment
Spearheaded the successful deployment and technical support of private 5G networks; Hyundai, Posco, Naver, the South Korean Airforce/NAVY, NTT-East and etc.
Led network design and troubleshooting for complex systems such as eBGP, BFD, VRF, VRRP, PTP, and QoS. - IP Mobility PoC
- Samsung Electronics intranet network PoC, verification of features, and completion of on-site constructional AAA, IP mobility (802.1X, MAB), and SDN integration - 5G CSR PoC
- Managed and validated PoC for Samsung Electronics/Reliance JIO, demonstrating SR/LDP MPLS, IS-IS, BGP, H-QoS - SDN Controller Collaboration
- Led the testing and consulting of SDN Controller features to manage switches, collaborating closely with the vendor to propose, integrate, and test network equipment functionality. - Global Technical Support
- Played a key role in managing and resolving critical network issues for clients in not only Korea but global markets, including the United States, India, Japan, demonstrating exceptional technical expertise.
IT Engineer
DISCO HI-TEC Korea Corporation
Pangyo
08.2017 - 02.2021
- Internal Network & Infrastructure Expansion
- Successfully managed the expansion of company infrastructure, including floor layout changes and the addition of offices.
- Configured and deployed network equipment such as Juniper SRX340, Cisco Catalyst 2960 series switches, and Cisco AP1832 to support new office setups. - Network Security & Server Management
- Ensured network security by implementing and monitoring network policies. Managed and maintained critical infrastructure such as firewalls, L2/L3 switches, servers, APs, CCTV, and - Active Directory. Led the upgrade and replacement of outdated equipment, optimizing performance and security. - System Development & Maintenance
- Developed and maintained in-house applications, including an iOS application, Java-based web applications, and VBA tools, improving internal processes and workflow automation. - Help Desk & Technical Support
- Provided comprehensive IT support for hardware, software, and network issues, ensuring minimal downtime for staff.
- Managed end-user support for PC setups, mobile devices (iOS), printers, and IP phones. Delivered technical assistance remotely and on-site, resolving issues swiftly - Employee Training & Security Awareness
- Led employee security training sessions, educating staff on best practices for information security and compliance.
Infrastructure Documentation & Licensing Management
- Maintained and updated network documentation for hardware configurations, licenses, and security policies, ensuring compliance and operational efficiency.
Education
Bachelor of Engineering - Mechatronics Engineering
Credit Bank System
South Korea 02.2021 - 02.2022
Associate of Engineering - Mechatronics
Daelim University College
South Korea 02.2013 - 02.2016
Skills
Layer-2/3 protocols
Network troubleshooting
undefinedCertification
Industrial Engineer Information Processing, 12/01/24
Timeline
Manger/Network Engineer
Ubiquoss Inc
08.2021 - Current
Bachelor of Engineering - Mechatronics Engineering
Credit Bank System
02.2021 - 02.2022
IT Engineer
DISCO HI-TEC Korea Corporation
08.2017 - 02.2021
Associate of Engineering - Mechatronics
Daelim University College
02.2013 - 02.2016
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