Elca Ryu Email & Phone Number

- 15+ years experience as a Network/Systems Engineer (CCIE) with a solid foundation in large-scale service provider network design, operations, troubleshooting, and network optimization.- Extensive network analysis and analytical troubleshooting skills on TCP/IP networks, routers, and switches. (Sniffer Certified Professional).- In-depth knowledge of router, switch, L4/L7 load balancer, firewall setup and administration.- Proficient in networking concepts, firewall, VPN, and security technology. (CWNA, CISSP)- Extensive experienced with IT process & infrastructure including Data Center, Network, System, etc. (ITIL Certification)- A distinguished senior-level IT/Infrastructure Manager with extensive experience in Information Systems, IT infrastructure, and proven ability to bridge technology and business goals to provide productive solutions and high-scale services.- Serving as a mentor to junior network engineers. Escalation support for junior or senior support staff.▶ Technical Skills- Networking: TCP/IP, STP/RSTP/MSTP, HSRP/VRRP, OSPF, BGP, MPLS, ACL, IPSec/SSL VPN, Firewall (Array, ASA/PIX, Checkpoint, Dell/SonicWALL/Aventail, Fortinet, Juniper/Netscreen, Palo Alto)- Hardware: Routers, Switches, RAS, Firewalls, VPNs, Load Balancer, SAN- Vendor: A10, Brocade/Foundry, Cisco, Citrix, Extreme, Dell/Force10, F5, HP/3Com, Intel Security/McAfee/CyberGuard, Juniper, KEMP, Lucent, Palo Alto Networks, Polycom, Radware/Alteon, Riverbed, Silver Peak- System: MS Windows Server, Linux, Solaris, HP Blade Systems, VMWare, SAN/NAS- Software/Tools: Sniffer Pro, Wireshark, Fluke Cable Analyzer, SmartBits, Ipswitch WhatsUp Gold, Syslog, RADIUS, TACACS, CACTI, Nagios/Centreon, NMS, SNMP

Listed skills include Data Center, Tcp/Ip, Firewalls, Network Design, and 46 others.