SUMMARY

Highly qualified and motivated senior network engineer seeking a position in network engineering / security. Proven expertise includes many facets of large enterprise network engineering and design, LAN/WAN, complex routing and switching solutions, SNA to IP migration and advanced wireless implementations. Demonstrated advanced network methodology skills including assessment, design, implementation and operation. Looking for growth within an organization that values strong technical skills and driven initiatives.

PROFESSIONAL EXPERIENCE

Confidential

Network Designer

• Creating Consolidated Design for multiple DataCenters using OTV and Fabric Path Technologies, with Cisco LAN Switches Nexus 7018, 7010 and Nexus 5548 with Fabric Extender Switches 2232 and 2248 in Multiple VDCs
• Using Cisco Switch 6296 series For Fabric Interconnect and Nexus V1000 switch with VEM, VSM and vNIC template service Profiles at the Vcenter in Multiple UCS Domains with Control, Management and Packet System Vlan.
• deploying an architecture Design for virtualization using Cisco UCS 5108 series chassis and UCS Fabric Extender 2100 series with B230 M2 blades to implementing ESXi cluster and VMware vSphere 5.1
• Implementing Qos and Multicast for Voice, Video and Data Network for Cisco IP Phone and HealthCare Streaming Device such as Vessera
• Designing and configuring Wireless Network using Cisco Controllers 4402, 4404 and 5508 Cisco Access point 1210,1231, 1242 and 3500X for the wireless connection in WLAN with LWAPP Tunnel. Using ACS and Cisco WCS servers.
• Providing design solution to multiple Remote Site and branches with WAN connection such as, Optical Ethernet and Site-Site DMVPN with GRE Tunnel. Using Cisco routers 3945, 3845, 2911 and Cisco switches 6509, 4510, 3750.
• Designing a VoIP Network using the MGCP and SIP Protocol on the Core Network Skinny Protocol in the callManager and SRST Gateway with AS Router 2921 to the PSTN with two Clusters CallManagers Publisher and Subscriber Distributed within multiple campuses.

Confidential

Network Engineer

• Configuring and maintaining 24/7 Metro Ethernet Network using 7500 and 7200 router.
• Building Ethernet circuit and creating the Cross-Connect between NPEs In different islands
• Maitaining Trunking on Layer two switches.
• Using MPLS on the core network and policing and shaping the traffic to maintain the maximum bandwidth between the Customer Hand-off and RCN Network.
• Using OSPF as IGP and BGP for the Internet routing table and appling BGP on all core switches iBGP and eBGP on the ISP gateways.
• Configuring the DWDM Sonet nodes ONS 15454 Sonet SDH OC12, OC48 with standby and active band.
• Monitoring the entire Network using Netcool and Cisco Works and provisioning the Network.

Confidential

Senior Field Engineer

• Configuring and diagnosing Cisco routers and switches failures and reestablishing WAN connectivity.
• Working with LAN/WAN topologies such as Fast Ethernet, frame relay, T1/T3, ISDN ,SONET. H.323 suit
• Troubleshooting a WAN Network Connections such as frame relay DLCI, PVC's, LMI ATM, DS3 and T1/T3
• Working with Telco vendors like WorldCom, Sprint, Verizon and AT T on data and Voice circuits
• Installing and configuring Cisco routers: 2600,3600,3745,4000,7000,7200,7500 series.
• Installing and configuring Cisco switches catalyst 2900,3550,3548,3560,5500,3750,6500 MSFC series.
• Implementing Cisco proprietory Protocols such as HSRP, RIPv2,EIGRP,iBGP, eBGP and OSPF
• Installing and configuring Cisco PIX firewall 515,520 and 525.using ACL and IPSec
• Implemented SNA to IP migrations using Microsoft HIS SNA Servers over FastEthernet and Transparent bridging / DLSW over IP backbone to provide TN3270 Emulation to connect to the mainframe.
• Implement switching technologies VLANS, VTP Domains Trunking Dot1Q, ISL and Spaning Tree.
• Installing Windows 2003 server in IBM E servers 346 series with Active Directory, DNS, DHCP and CISCO applications and services such as ACS server, TACACS server to maintain a manageable and scalable Network.

Confidential

Senior Network Engineer

• Designed VOIP dial plans, Intercluster trunks for PSTN AAR-SRST and IP-WAN, MGCP and H323, Analog .
• Configurations on 28xx, 36xx routers and Catalyst 35xx switches integrated with Call Manager Express
• Add and Modify user device profiles, Route patterns, Class of restriction, portioning, CSS 7960,7940,7910 IP phones configuring and deploying Gateway Gatekeeper with CallManager using Trunk and Prefix.
• Upgrading of IOS code to support Voice, QOS and security functionality of Access and distributed layer devices
• Set up conference bridges, MTP, MOH, Call Park, Meet-Me, AAR Groups and extension mobility.
• Installing and administering Cisco CallManager V 3.2 as Publisher and Subscriber within a cluster With TFTP
• Designing a robust network to support multicast and broadcasts applications for a large insurance using Cisco and Nortel product
• Designing network security to support mission critical applications architecture.
• Designing, tracing and taking course of action to resolve security issues by
• Implementing VPN using IPSec tunnels/ESP-3DES, NAT and GRE tunnel, PIX to PIX and PIX to Router VPN configuration..
• Implementing MPLS VPNs using OSPF to reserve bandwidth for specific applications.
• Deploying and maintaining end-to-end QoS for voice and data traffic using CBWFQ, LLQ, CAR, GTS, PQ, and CQ.
• Reviewing and Evaluating International E1vs T1.T3.OC-3 Connectivity to the network applying TCP Slow Start and Traffic Shaping.
• Implementing VoIP using SS7 Signaling with Cisco routers and switches.
• IP Telephony support and troubleshooting of voice issues such as Echo, Jitter, Delay and Latency.
• Implementing network authentications using TACACS and RADIUS protocols.
• Network management support using SYSLOG server, HP Open View, CiscoWorks using SNMP protocol and Sniffer Pro for Network Analysis and assessment.
• PIX firewall configuration monitoring to support DMZ applications.
• Providing and maintaining a redundant, scalable and secure network using HSRP, BGP, OSPF, EIGRP and IGRP.
• Enabling NBAR mechanisms to provide QoS.
• Coordinating and executing moves adds and changes on customer networks.
• Interfacing with vendors and upper management for multiple national and international organizations.
• Documentation of security policies and procedures and managing of equipment Inventory.

Confidential

Network Engineer

• Supporting and Monitoring Daily News Network using HP OpenView Network Node Manager, WhatsupGold and Visual uptime.
• Maintaining and configuring over 50 Cisco Routers 2500,3600,4000,5200,7000,7200 .
• Supporting over 80 3Com SuperStack II Switches 1000,3300,3500,9300 , 3Com CoreBuilder Switches family 2500,3500,Lanplex 6000 series and 3Com Link Builder FMS.SW version 3.03 using 3Com Transcend Central.
• Provide Support and Maintenance for Voice /Data Network topology consisting of ATM Links, Frame-Rely circuits, PRI leased lines, BRI leased lines, T1 and T3 circuit.
• Optimize Network design through Network multi-protocol traffic analysis consisting of TCP/IP, IPX/SPX, RIP, IGRP, OSPF, AppleTalk, and SNA using Network Sniffer Software.
• Support Network cabling on 10baseT, 100Base TX and Fiber Optic Cabling FDDI of 100BaseFX.

SKILLS

• Cisco routers 2500,2600,3600,4000,3745,7200,7500,MSFCs,RSM ,
• Catalyst switches 8500,6500, 5000, 3500,3900,2900, 3550, 3560,3750 , PIX 520 and 525 and Netscalar
• VPN 3000 Concentrator, IKE/ISAKMP, IPSEC, GRE, VPN, VPDN, DES/3DES encryption, Secure IDS 4210.
• Call Manager V3.3 and V4.1.3, 7960, 7940,7910 IP Phone, Cisco IP Telephony Cisco View 2000,WhatsupGold, HPOpenView, Sniffer Technologies V 4.0,Visio 2000 and Enterprise.CA Spectrum. Infoblox, NetMRI
• Networking: TCP/IP, VoIP, QoS, SNMP, RMON, NAT, Checkpoint 2000 4.X firewall,
• WAN T1, T3, DS3, Sonnet,DWDM, 1Gig Optical Ethernet and DMVPN
• Routing protocols BGP, EIGRP, OSPF, RIP, DLSw, redistribution , VLANs ISL, 802.1Q, spanning tree
• Personal: strong analytical skills, strong organizational, strong verbal/written communication, motivated, highly hands-on, self-starter and a team player