Key Responsibilities

• Install, maintain, and troubleshoot WAN and LAN network infrastructure.
• Analyze network performance and implement improvements to ensure stability and efficiency.
• Operate and support data center network infrastructure, including core and edge switches.
• Collaborate on joint IT projects with head office engineers.
• Configure and manage routers, switches, and Application Delivery Controllers (ADC).
• Support and maintain network security appliances (firewalls, proxies, etc.).
• Perform network diagnostics and resolve complex technical issues.
• Document network configurations and processes.
• Ensure network systems comply with security policies and best practices.

Qualifications

• Minimum 3 years of hands-on experience with WAN & LAN network operations.
• Minimum 3 years of experience with Data Center network infrastructure.
• Strong knowledge of TCP/IP protocols and network services.
• Proficiency in managing routers, enterprise switches, and data center switches.
• Experience with Application Delivery Controllers (e.g., F5, Citrix NetScaler).
• Working knowledge of internet security systems such as firewalls and proxies.
• Ability to analyze, configure, and install network and computer systems.
• Strong problem-solving and troubleshooting skills.
• Effective communication skills and ability to work well within a team environment.

Education & Certification

• Bachelor’s Degree in Computer Science, Information Technology, or a related field
• CCNA certification or equivalent experience is required

Language

• Bilingual: Korean and English (both written and verbal proficiency required).