WOONGJIN, Inc. is seeking a highly skilled Network Engineer to join our rapidly growing team. The ideal candidate will be responsible for designing and architecting enterprise networks, managing advanced routing and switching protocols, implementing and maintaining F5 load balancing solutions, and troubleshooting critical network issues. This role requires a strong focus on security practices and the ability to support multicast and manufacturing-specific protocols. The candidate will also lead network upgrades and migrations, collaborate across teams and vendors, document and standardize network operations, and mentor junior engineers.