Network Operations EngineerÂ Resume

PROFESSIONAL SUMMARY:

He has over 20 years of IT experience in design, deployment, integration, and support of large enterprise - wide LAN/WAN networks comprising of mission critical applications.
He is experienced in several network protocols including: BGP, OSPF, EIGRP, IGRP, RIP, TCP/ IP, MGCP, SIP, SSH, IPSEC, DNS, DHCP, PPP, HTTPS, HTTP, WINS.

EXPERIENCE

Confidential

Network Operations Engineer

Responsibilities:

He is involved in DOL Network Operations Tier 3 support task for new Unified Communications switch network environment which include Cisco Nexus 9508 Core switches, Catalyst 4507R closet switches, 3850X, 3560X and 2960X switches, and for legacy switch network environment which include Catalyst 6500 Series switches, 4500 - E switches, and various Catalyst switches.
He also worked on Network Operation troubleshooting and monitoring for consolidated DOL VRF Network Infrastructure issues

Confidential

Associate

Responsibilities:

Senior network engineer and Voice over IP (VoIP) network engineer for supporting Operations and Engineering tasks.
He is involved in Data Center Nexus switch migration and implementation task which include Del PS SAN storage migration coordination, Oracle and SQL server migration coordination, VMware ESXi hosts migration coordination, Del VRTX server migration coordination, Citrix VDI thin clients, etc. to Nexus 5500 switches, Catalyst 3750v2 switches, Catalyst 3850 switch from Cisco 6509 switch, and 4900M switches.
He also worked on the Cisco Unified Communication Manager (CUCM) and Cisco Unity Connection (CUC) migration and upgrade assessment to CUCM 11.5 and CUC 11.5 from CUCM version 8.6 and CUC 8.6.

Confidential

IP Network / UC Engineer

Responsibilities:

IP Network and Unified Capabilities engineer for supporting DISA UC and Telemetry task which includes VoIP, VTC, and Extensible Messaging and Presence Protocol (XMPP) implementation.
He implemented Cisco Enterprise Session Control er (ESC) 10.5.2 clusters on the Cisco UCS servers with Cisco CUCM SME 10.5.2, CUCM 10.5.2, CUC 10.5.2, CUPS 10.5.2, Cisco CUBE SBC and VMware ESXi 5.5. Mr. Kim also configured Oracle Acme Packet SBC and Cisco CUBE SBCs for CUCM 10.5.2 and CUCM 8.6 SIP Trunk implementation, and CUCM 8.6 and Avaya 5300 RTP/SRTP SIP Trunk implementation.
He is involved in UC Lab ESC implementation which is based on the FlexPod Datacenter with VMware vSphere solution developed by Cisco and NetApp.
The ESC systems are configured by him include NetApp FAS 2554 SAN Storage, UCS 5108 chassis with 2208XP IOM, UCS B200 M4 blade servers, UCS C240 M3 servers, UCS 6248UP Fabric Interconnectors, Nexus 9372PX switches, Cisco 3945 ISR routers, UCS Manager, etc.

Confidential

Lead Engineer / Associate

Enterprise Services Center

Responsibilities:

He is involved in network system assessment including reviewing existing network designs for Production and DR sites hosted in Century Link hosting sites, and Development and Testing Facility (DTF) hosted in Raging Wire site, and VPN solution between Booz Herndon Parkway Office and Raging Wire

Confidential

Sr. Network Engineer

Responsibilities:

Responsibilities included Cisco router and switch configuration, writing of technical procedures, and providing technical support for Public Diplomacy ALMAtization (PDA) instal ation engineers.
Additional responsibilities for this project included designing and reviewing of over 200 overseas PDA post networks, and improving the bil of material processes.

Confidential

Sr. Network Engineer

Responsibilities:

Provided level 2 and 3 technical support for routers, switches, DHCP, and DNS servers for the Department of State s PD (Public Diplomacy) wide area network.
Also conducted an automatic route failover study and configured internetworking devices for Department of State overseas posts.
He executed and tested Cisco Voice over IP and Cisco Gigabit switches for the Department of State Enterprise Network Management Configuration Control Office.
Also provided IRE Security Center Configuration Support and configured Cisco routers for providing DDR connections to two overseas posts.
He performed Cisco router configuration and implemented unclassified Department of State s ALMA worldwide deployment project systems, involving more than ten countries.

Confidential

Principal Systems Development Specialist

Responsibilities:

Performed LAN/WAN support for the corporation s network.
Managed production servers and Cisco routers redundancy system, and also studied and tested the proxy server and revised Y2K issues for Cisco routers, Novel systems, and Windows NT operating systems.