802.1, Amazon Web Services (AWS), Analysis Skills, Applications Security, Best Practices, CCNA - Cisco Certified Network Associate, CCNP - Cisco Certified Network Professional, CISSP - Certified Information Systems Security Professional, Cisco Switches, Cloud Computing, Communication Skills, Computer Science, Computer Security, Configuration Management, Continuous Improvement, Customer Support/Service, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Data Recovery, Disaster Recovery, Documentation Standards, Endpoint Security, Enterprise Protection, File Server, Firewalls, High Availability, IPsec (IP Security), ISO (International Organization for Standardization), Identify Issues, Incident Response, Information Technology & Information Systems, Information/Data Security (InfoSec), Internet Security, Intrusion Detection Systems, Intrusion Prevention Systems, Korean Language, Local Area Network (LAN), MPLS (Multi-Protocol Label Switching), Maintain Compliance, Manufacturing, Microsoft Active Directory, Microsoft Certifications, Microsoft Product Family, Microsoft Windows Azure, Microsoft Windows Server, Microsoft Windows System Administration, Multitasking, Network Access Control (NAC), Network Administration/Management, Network Architecture/Engineering, Network Connectivity, Network Monitoring, Network Performance/Analysis, Network Routers, Network Routing, Network Security, Network Support, Network Switching, Network Systems, Operational Support, Operations Processes, Performance Analysis, Presentation/Verbal Skills, Problem Solving Skills, RADIUS (Remote Authentication Dial-In User Service), Risk Analysis, SSL-TLS (Secure Socket Layer - Transport Layer Security), Security Attacks, Security Compliance, Security Information and Event Management (SIEM), Security Infrastructure, Security Monitoring, Software Patches, Systems Administration/Management, Systems Maintenance, TCP/IP (Transmission Control Protocol/Internet Protocol), Technical Leadership, U.S. National Institute of Standards and Technology (NIST), VPN (Virtual Private Network), Vendor/Supplier Management, Wide Area Network (WAN), Wireless Communications, Wireless LAN, Wireless Security, Writing Skills