Nexus 7k 5k 2k FEX installation and supportLoad Balancer ACE/CitrixFirewall ASA/CheckPoint / IPS McAfee supportCatalyst 6500Catalyst 3130 Blade SwitchRiverbed - OpNet ASR Router - MPLS

Design, Implement, Support Network/Security for Los Angeles County special project.Some of the equipment used in the project include: ASA 5545, WLC 4500, Nexus 7009, Catalyst 4507R, Catalyst 3750X, Cisco ASR 1002 router, 3745 & 3725 router, SUN DataCenter Switch, CheckPoint NG Firewall, and HP TippingPoint IPS.Implement and supported VMWare ESXi 5 based virtualized servers to manage network and Oracle (Exalogic/ExaData) servers - BMC ADDM, BPPM, SolarWinds NPM, NCM, NetFlow, MS SQL Server, AD Server, and Cisco ACS.

Design, Implement, Support Network/Security for Los Angeles County special project.Some of the equipment used in the project include: ASA 5545, WLC 4500, Nexus 7009, Catalyst 4507R, Catalyst 3750X, Cisco ASR 1002 router, 3745 & 3725 router, CheckPoint NG Firewall, and HP TippingPoint IPS.Implement and supported VMWare ESXi 5 based virtualized servers to manage network and Oracle (Exalogic/ExaData) servers - BMC ADDM, BPPM, SolarWinds NPM, NCM, NetFlow, MS SQL Server, AD Server, and Cisco ACS.

-Recommend network/security infrastructure architecture based on custom business requirement-Network Documentation / Baseline-Provide Project management -Provide Implementation Services (Cisco Router (including ASR router), Switch (including Nexus platform)

- Network/Security Architecture and Implementation.- Administered and maintained multi-national MPLS/BGP based WAN Route (Cisco 2800, 2900, 3800, 3900, 7200, ASR1000 series Router)- Cisco route and switch- Design and Maintain US Westfield LAN using Cisco Switch technology (Cisco Catalyst 2900, 3700, 6500)- Administered and maintained US Westfield Security (redundant ASA Firewall (Internet FW/Data Center FW/Disaster Recovery Site FW), WebSense Web Security (redundant appliance, managed virtualized management console and virtualized SQL server)- Designed, Administered and maintained multi-national Video Conference System (Cisco/Tandberg MXP endpoints, Cisco CTS TelePresence endpoints, Codian MCU, Polycom MCU, Crestron Control, AutoPatch Sound Mixer, Cisco CODEC) and Virtualized UC (Unified Communication Manager (Call Manager), Cisco Unified Presence (CUP) Server, Unity Connection, UCCx) running on UCS B-Series server).- Provided Video Conference Scheduling and Setup for company executives- On-Call Support 24 x 7 rotated with other Network Engineer / Network Administrator and Tier 3 Support - Implemented Network/Security Policy – Create Documentation Templates- POC Unified Communication product – Jabber (Voice/Video/Chat/Desktop Sharing/Calender) with existing Cisco Call Manager, CUP Server, Tandberg MCU 8000- Upgraded MPLS circuits to provide better unified communication experience at all 56 remote sites (malls/regional mgmt office) and Data Centers- Managed Integration Vendors/Contractors/Consultants on a projects- Worked with contracted Smart Hand for remote site support and deployment- Created Labs for Proof of Concept (POC) - Project Management – SOW, Project Scheduling, and Budgeting- Maintained and updated enterprise network infrastructure drawings and documentations- Mentor and lead Network Engineers and Network Administrator- Managed weekly On-Call schedule assignment- Interviewed contracted network engineer for temporary position

Provide Network Design and Solution to customersPresale technical supportRespond to RFPProvide Technology briefingsProvide Lunch and Learn presentationsProvide Proof of Concept (POC) / Evaluation equipment setupKeep in pace with new technologyGet certified in new certifications from partners

- Support Corporate and Special Access Requirement Program Network Infrastructure- Design and Install LAN/WLAN/WAN equipment based on new requirement.- Install and maintain corporate internal firewalls and it's rules- Install network status and performance monitoring workstations- Project manage large network design projects through requirement, design, vendor quote, logistics, configuration, deployment, testing, customer acceptance process- Maintain existing network devices and network management devices- On-call after-hour escalation support- Mentor junior network engineers

- Provide Sales presentation / Executive Briefing- Provide Customer Training on Radware Products- Develop Test Plan and Install Radware Hardware for Proof of Concept (POC) - Installation and integration of Radware Equipment in customer environment- Tier 3 Technical Support

- Supervise 2 Network Engineers and 1 Network Technician - training, tasking, and project planning (Design/Budget Request) - Migrate from flat network to multi-VLAN L3 network- Design/procurement/implement new data center - rack cable management, Network/Security equipment, and power/UPS/Backup generator budgeting, - Design & Install HA WAN access from all remote sites to two data centers using ATM/VPN (Cisco/Juniper)- Implement enterprise Network Admission Control (NAC using 802.1x and Cisco ACS Server)- Information Assurance Network Officer (IANO) duties- Management/Coordinate with 1st Signal Ops/DISA/TNOSC/ARCERT regarding NIPRNET circuit WAN Projects/Issues- Configure/install/maintain routers and switches (Cisco and Nortel), VTC Equipment, Firewall, VPN, IDS, L7 Switch, Web Cache Engine, DNS updates using Army DNS Manager, and 24x7 On-Call Support- HP Node Manager / Cisco Works / Nortel NMS installation and administration on HP-UX & SUN Workstation

- Recommendations on LAN and WAN network (Purchase / Design)- Configure and install router and switches- Provide assessment and recommendation on network security - Provide firewall / VPN gateway / Intrusion Detection System configuration change- Provide network wiring- Provide database application development service

Advanced study in Korean Language

- Develop and deliver technical hands on lab training on Avaya Cajun switch (P882, P550, P330).- Performance/Throughput testing of Avaya Data products and competition equipment using Spirenet Smartbit tester.- Provide interoperability test between Cisco and Avaya products (Avaya VoIP product and Catalyst switch).- Provide Competitive Analysis of product and solution offered by the competition such as Cisco.- Presentations on new data product during sales strategy briefing during 18 city road show.- Response to RFP (Cajun LAN Switch, Voice over IP (Definity), PSAX, Wireless LAN (Orinoco 802.11b)- Network Design Consulting for Avaya Platinum Account Customers

- Design and deployment of Campus Area and Wide Area Network using Layer 2/3 Catalyst switch, various Cisco routers, remote dialup Service, and Cisco - - Call Manager and IP Phone- Design and deployment of Secure and Fault Tolerant Internet Access using PIX or Nokia Firewall (Running Checkpoint), web caching device, VPN gateway (remote site/user access - ACS).- Design and deployment of ATM, SONET, Frame Relay, FRATM, IMA, ISDN backed PT-PT WAN, ISDN PRI dialup service, xDSL, GigaMAN.- Third level network installation support (i.e. AS5300 w/ ACS, Cat6500 w/ MSFC, VoIP/VoFR/VoATM MC3810, PIX Firewall VPN, Checkpoint Firewall1/Nokia, IDS, Local Director, GSR, Cisco 7500, Cisco 7200, Cisco 3600, Cisco 2600, Nortel Centillion switch).- Interview / Mentor new Systems Engineer- Systems Engineer of the year 1999 and President's Club 2000.

- Network Design Engineer for the West Coast Sites (Classified/Unclassified Network - 20,000 Node) by providing campus, metropolitan, and wide area network design analysis and appropriate design recommendation, procurement, project schedule, and lead implementation team.- Network Project Manager for a medium to large network migration/implementations (MS Project –WBS/schedule/budget).- Provide 2nd & 3rd level LAN & WAN network troubleshooting using Network Associate Sniffer, HP OpenView System, Spectrum, Optivity, Cisco Works, T-Berd, and WAN Analyzer in multi-protocol environment (IP, IPX, AppleTalk, Banyan Vines, DECNET, SNA).- Installation and configuration of CISCO LAN/WAN Routers, SNA (CIP, STUN, SDLLC, DLSW, 3174, 3172 Controller), CISCO Layer 2 and 3 LAN switch (FDDI/10/100/1000 TX/FX/SX/LX), Bridge, WAN circuit (P-P, SMDS, Frame Relay, ATM, and ISDN PRI & BRI), dialup access system, & data center wiring.