(Apr 2024 ~ ) SK Hynix OT consulting Project.• Analyzed HVAC, WWT, UPW, SCADA, CCSS, PGMS, and TGMS infrastructures of the SK Hynix M15 campus.• Analyzed private network and PLC systems of each infrastructure.• Designed standard private network and PLC system (profinet) for the future FAB.(Mar 2024) Cisco CXperience 2024 conference demonstartion. - "Closed-Loop Automation"• Prepared demonstration with global engineer. • Conducted presentation at the demo booth and… Show more (Apr 2024 ~ ) SK Hynix OT consulting Project.• Analyzed HVAC, WWT, UPW, SCADA, CCSS, PGMS, and TGMS infrastructures of the SK Hynix M15 campus.• Analyzed private network and PLC systems of each infrastructure.• Designed standard private network and PLC system (profinet) for the future FAB.(Mar 2024) Cisco CXperience 2024 conference demonstartion. - "Closed-Loop Automation"• Prepared demonstration with global engineer. • Conducted presentation at the demo booth and presentation session. Show less

(Feb 2024 ~ Mar 2024) Samsung SDS Matrix PoC for replacement of current NMS solution.• Gathered customer’s requirements and feedback for NMS replacement.• Coordinated and conducted technical review with Cisco's global engineers to implement customer's NMS requirements.• Additionally, Conduct PoC for AI based syslog analysis solution.(Nov 2023) Shinhan Bank OA Network SDN Migration Consulting• Analyzed current status of Shinhan Bank office network.• Designed To-Be… Show more (Feb 2024 ~ Mar 2024) Samsung SDS Matrix PoC for replacement of current NMS solution.• Gathered customer’s requirements and feedback for NMS replacement.• Coordinated and conducted technical review with Cisco's global engineers to implement customer's NMS requirements.• Additionally, Conduct PoC for AI based syslog analysis solution.(Nov 2023) Shinhan Bank OA Network SDN Migration Consulting• Analyzed current status of Shinhan Bank office network.• Designed To-Be Architecture for SDN migration.• Estimated cost-saving benefit on the operational aspect for SDN migration(Aug 2023) Coupang Network Assessment Consulting• Analyzed Coupang Office and FC (Fulfillment Center) Wireless / Wired network• Planned step-by-step implementation of a solution (Cisco DNAC) for network automation.(May 2023 ~ Jun 2023) CANON Korea Network Infrastructure Enhancement Consulting Project• Analyzed CANON Korea’s network infrastructure including employee networks and Data Center• Designed SDA network for CANON Korea’s Employee network and ACI (Cisco’s Data Center SDN solution) for CANON Korea’s Data Center• Provided knowledge transfer to customer’s operators related to overall Software Defined Network(Oct 2022 ~ Mar 2023) KRX (Korea Exchange) Enterprise Network SDA Migration Project• Migrated employee’s network from legacy infrastructure to Cisco’s SDA network• Conducted migration plan, designed infrastructure and implemented SDA network in the customer’s workspace• Designed customer’s end-devices access control process using Cisco ISE (Integrated Service Engine) and Posture• Designed multi-site SDA infrastructure based on ‘Cisco Validated Design (CVD)’ documents• Provided SDA knowledge transfer to customer’s infrastructure operator(Nov 2021) POC, KT L3VPN automation using Cisco’s NSO• Validated NSO’s service package in multi-vendor lab environments (Cisco, Juniper, and Dell), L3VPN automatic configuration using NSO Show less

• Worked as a contracted developer at the preparation stage startup “CoffeeCloud” which provides a cafe recommendation service based on user preference and current location.• Used MongoDB as a database for storing café information and GraphQL for a web backend.• Created a frontend web page that offers user interaction using react.js hook.• Built a CEO page for the information around café owners and an admin page for convenient service management.

• IoT Networking: Designed OVS-based network to support wired, Wi-Fi, Lora, and LTE for IoT devices of Linux OS. Set the single SDN controller to control interfaces.• Software-Defined Networking: Developed software that supports seamless data transmission by bypassing when there is a failure in the path to send data in a multi-path wired network environment.• Video streaming: Developed a video streaming program to verify seamless data transmission and Implementation of a program that… Show more • IoT Networking: Designed OVS-based network to support wired, Wi-Fi, Lora, and LTE for IoT devices of Linux OS. Set the single SDN controller to control interfaces.• Software-Defined Networking: Developed software that supports seamless data transmission by bypassing when there is a failure in the path to send data in a multi-path wired network environment.• Video streaming: Developed a video streaming program to verify seamless data transmission and Implementation of a program that transmits web camera video using Kafka inside the docker container.• Teaching assistant: Provided technical advice of experiment for undergradute/graduate students. Facilitated the overall classes for SmartX-mini labs and Computer Networking. Show less

Technical support• Worked as a ‘Technical Support Engineer’ for “Olzetek Inc.” a solid sales agency in Korea for Curtiss-Wright(CW) (American defense equipment manufacturer).• Solved technical problems that arise when Korean customers create a defense system using CW boards.• Software problems were solved with the US headquarters.• In addition, solved the problem of communication between single board computers through PCI express.• Participated in many Korean radar… Show more Technical support• Worked as a ‘Technical Support Engineer’ for “Olzetek Inc.” a solid sales agency in Korea for Curtiss-Wright(CW) (American defense equipment manufacturer).• Solved technical problems that arise when Korean customers create a defense system using CW boards.• Software problems were solved with the US headquarters.• In addition, solved the problem of communication between single board computers through PCI express.• Participated in many Korean radar localization projects.Developing a program for RDMA 40Gbps communication• Verified 40Gbps Ethernet through VPX backplane using RDMA (Remote Direct Memory Access) test program.• Researched RoCE (RDMA over converged Ethernet) API and RoCE driver configuration for RDMA communication.• Verified approximately 36~37Gbps throughput. Show less