SUMMARY

• Support 24x7 data network center, monitor network performance, manage and maintain Cisco IOS, IOS - XR and JunOS hardware.
• Analyzing complex network issues and routing problems consisting of Cisco 12K, 8800, 8600 and Juniper M320, T640 through the use of alarm and Remedy/ITL/BMP ticketing systems.
• Assist in the migration from Cisco 6500 equipment to Cisco Nexus 7000 equipment and stacked Catalyst 3850 switches. 
• Reported Access and Troubleshooting tools such as Remedy trouble ticketing and SANE.
• Troubleshoot Tier II issues to analyze complex call processing routing, SMS and 911 Issues.
• Provided Operation & Maintenance of Alcatel Lucent (OMP), Nortel (BSC, BTS) and Motorola (CBSC) Switch

SKILL

Cisco Switching, Layer 2 & 3,6 Years, Cisco Router,6 Years, Cisco IOS,6 Years,  Network infrastructure build and migration,6 Years, Cisco Nexus 7000,6 Years, I T Security Knowledge,6 Years,Strong Communication Skills,6 Years

PROFESSIONAL EXPERIENCE

Confidential, NJ, Network Engineer 

Responsibilities:

• Support 24x7 data network center, monitor network performance, manage and maintain Cisco IOS, IOS-XR and JunOS hardware.
• Analyzing complex network issues and routing problems consisting of Cisco 12K, 8800, 8600 and Juniper M320, T640 through the use of alarm and Remedy/ITL/BMP ticketing systems.
• Assist in the migration from Cisco 6500 equipment to Cisco Nexus 7000 equipment and stacked Catalyst 3850 switches. 
• Troubleshoot and resolve network and customer problems like card errors, routing issues, Trunk failures, and hardware and software failures and provide reason for outage.
• Maintaining network equipment’s by configuring, swapping defective cards and upgrading hardware and software firmware.
• Create Cisco and Juniper cases (SR and JTAC), update required captures, syslog & perform Return Materials Authorization procedure (RMA’s) to find problem resolution.
• Co-ordinate with the Data Network and Security team and come up with possible solutions.
• Implemented standard configuration template scripts in various network devices for snmp v2, logging, and ntp.
• Configuring VLAN’s, Trunking and routing part for Cisco Catalyst 6500, 4500, 3750, 2980 switches.
• Well versed in configuring and troubleshooting Cisco routers (2500, 2600, 3600, 3700, 7200 and 7500 series routers) and Juniper routers.
• Installed network infrastructure, including WAN links, internal cabling infrastructure, and other aspects of network design. 
• Migrating 500 Cisco GSR production routers on the AT&T backbone, from Cisco IOS to IOS-XR and upgrading service modules.
• Work on different networking concepts and routing protocols like BGP, EIGRP, OSPF, Tunnels, L2TP, and VPLS and other LAN/WAN technologies.
• Designing advanced networking solutions including Quality of Service (QoS), Virtual Routing and Forwarding (VRF) and route redistribution

Environment: Juniper (E series, J series and M series. Juniper SRX & VPN, T -Series, MX-Series Routers, Routing Protocol (BGP, OSPF, EIGRP, IGRP, IGMP, RIP), Routed Protocol TCP/IP, SIP, Multicasting (PIM),LANProtocol(VLAN,PVlan,VTP,IPX,Inter-vlan routing, ISL,dot1q,STP,IS-IS,RSTP,MSTP,IPVST,LACP, HSRP, GLBP, VPC,VDC,Ethernet, Port security).

Responsibilities:

• Reported Access and Troubleshooting tools such as Remedy trouble ticketing and SANE.
• Troubleshoot Tier II issues to analyze complex call processing routing, SMS and 911 Issues.
• Provided Operation & Maintenance of Alcatel Lucent (OMP), Nortel (BSC, BTS) and Motorola (CBSC) Switch
• Used Digit-by-digit routing translations (using SS7) as well as design and modify dialing plans as per call routing scenarios. Checkpoint Level3 operations support with hardware operations - fixed all problems & RMA’s, taking any escalations that dealt with the equipment and its connection: interfaces, VLAN’s, routes, etc.
• User admin on the firewalls, adding and deleting users as they come and go.
• Provided proactive threat defense with ASA that stops attacks before they spread through the network. 
• Support 24x7 data network center, monitor network performance, manage and maintain Cisco IOS, IOS-XR and JunOS hardware.
• Configuring and install hardware and software required to conduct network penetration testing. 
• Enabled to create a Positive Enforcement Model control between two networks that have different trust levels.
• Configuring and testing Multicast for both IPv4 and IPv6 routing in Data Center Environment.
• Design and implemented network infrastructure and configured all the network Infrastructure devices including Network Printers and Registers
• Implementing Bluecoat Proxies for the production environment 
• Configuring and troubleshooting IP Multicasting (PIM & DVMRP) & MBGP
• Implemented standard configuration template scripts in various network devices for snmp v2, logging, and ntp.
• Configuring VLAN’s, Trunking and routing part for Cisco Catalyst 6500, 4500, 3750, 2980 switches.
• Assist in the migration from Cisco 6500 equipment to Cisco Nexus 7000 equipment and stacked Catalyst 3850 switches. 
• Creating Private VLANs & preventing VLAN hopping attacks & mitigating spoofing with snooping & IP source guard.
• Cisco IOS and Cisco CatOS configuration and backups, Uploading and download IOS and CatOS using XModem, TFTP and FTP protocols
• Upgrading WAN link using PPP Multilink and by implementing Cisco WAAS
• Maintaining complex LAN/WAN networks with several VLANS and provided support for routing protocols and also providing secure sessions over internet using IPSec and SSL encryption.
• Configuring and resolving various OSPF multi-area environments, used OSPF as IGP with route filtering and route-redistribution, implemented Stubs/Totally stub areas, implemented features like route summarization and SPF throttling.
• Configuring and maintain access points through CISCO 4400 WLAN controller.
• Implementation of name resolution using WINS & DNS in TCP/IP environment
• Consistent network design deployed across all nodes throughout county consisting of core Cisco 7600 routers, distribution layer Catalyst 6500 switches, WAN aggregation Cisco 7600 routers, and access layer Catalyst 2900/3500/3750/3850 switches. 
• Network analysis and capacity planning experience using tools like Sniffer, Ethereal, and Tcpdump.
• Configuring firewall filters, routing instances, policy options, on Juniper m320 and T640.
• Co-ordinate with the Data Network and Security team and come up with possible solutions.
• Troubleshoot and resolve service impairments related to network hardware and software faults, translations and Voice networks.
• Provided resolution by engaging internal and external resources such as Cell, NOC technicians, System Performance Engineers, Maintenance Engineering staff as well as equipment vendors and service providers

Environment: Routers (1800, 2500, 2600, 2800, 3600, 3750, 3800, 7200), Cisco Switches (2900, 3500, 4000, 4500, 5000, 5800, 6500, 7600 Nexus 2k, 3k, 5kand 7k), MSFC, MSFC2,

Confidential, NJ, Network Support Engineer

Responsibilities:

• Responsible for the identification, analysis, and sectionalize of customer circuit impairments or maintenance.
• Supported AT&T’s Managed Internet Service and Virtual Private Networking customers.
• Co-ordinate with the Data Network and Security team and come up with possible solutions.
• Well versed in configuring and troubleshooting Cisco routers (2500, 2600, 3600, 3700, 7200 and 7500 series routers) and Juniper routers.
• Responsible for incoming field calls and e-mails from fields regarding service-impacting events and open trouble ticket as well as handle proactive tickets generated on the customer’s behalf in response to potential circuit impairments.
• Troubleshoot complex network problems such as downstream effects on client satisfaction; assesses or any outage.
• Proficiently used network monitoring tools and Maintained electronic database systems-initiate / update REMEDY database information.
• Assist in the migration from Cisco 6500 equipment to Cisco Nexus 7000 equipment and stacked Catalyst 3850 switches. 
• Installed network infrastructure, including WAN links, internal cabling infrastructure, and other aspects of network design. 
• Provided 3rd level support to AT&T MIS Plus customers participating in the resolution of internet routing issues that involve the AT&T Common Backbone (CBB) group, other national carriers and LECs.  
• Extensive knowledge, understanding and experience configuring and troubleshooting routing protocols (RIP v1 and v2, IGRP, EIGRP, OSPF, BGP4), routed protocols.
• Migrating 500 Cisco GSR production routers on the AT&T backbone, from Cisco IOS to IOS-XR and upgrading service modules.
• Well versed in configuring and troubleshooting Cisco routers (2500, 2600, 3600, 3700, 7200 and 7500 series routers) and Juniper routers.
• Work on different networking concepts and routing protocols like BGP, EIGRP, OSPF, Tunnels, L2TP, and VPLS and other LAN/WAN technologies.
• Designing advanced networking solutions including Quality of Service (QoS), Virtual Routing and Forwarding (VRF) and route redistribution
• Maintained and tested dedicated circuits from Fractional T1s, T3 to OCx (Private line and Frame Relay)

Environment: Network Security: Knowledge of Firewall, ASA,Cisco FWSM/PIX/ASDM, Cisco NAC,IPSec, Nokia Checkpoint NG,SPLAT,IPS/IDS(Snor),IPS 4260)Application Protocols( DHCP, DNS, FTP, HTTP,SMTP, TFTP),Documentation( Microsoft Office, Visio)

Responsibilities:

• Successfully surveyed the floor plan design by using AutoCAD tool and document the related data into global patching database sheet.
• Installed network infrastructure, including WAN links, internal cabling infrastructure, and other aspects of network design. 
• Configured Routing protocols such as OSPF and policy based routing.
• Team member of Configuration of Cisco 7206 router and Configuration of Catalyst switches.
• Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
• Supported on Cisco Nexus 5000 and Nexus 7000 Series Switch fabric links.
• Create and test Cisco router and switching operations using OSPF routing protocol.
• Innovated with support of Palo Alto for remote and mobile users and for analyzing files for malware in a separate (cloud-based) process that does not impact stream processing.
• To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
• Experience working with Layer 1-7 switching, TCP/IP, OSPF and load balancing (Cisco L2/L3 switches, firewalls, load balancers.
• Worked on Cisco Layer 2 switches (spanning tree, VLAN, QoS).
• Monitored and troubleshoot Cisco WAAS 
• Involved in Configuration of Access lists (ACL) for the proper network routing for the B2Bnetwork connectivity
• Migrating 500 Cisco GSR production routers on the AT&T backbone, from Cisco IOS to IOS-XR and upgrading service modules.
• Well versed in configuring and troubleshooting Cisco routers (2500, 2600, 3600, 3700, 7200 and 7500 series routers) and Juniper routers.
• IP address allocation to each port of the backbone equipment: Routers, Remote Access Servers, Internet Servers (WWW, DNS, Mail, Proxy, Billing and AAA and NMS), and Line Drivers.
• Assist in the migration from Cisco 6500 equipment to Cisco Nexus 7000 equipment and stacked Catalyst 3850 switches. 
• Co-ordinate with the Data Network and Security team and come up with possible solutions.
• Diligently Prepared Network work requests including Visio diagrams, Excel spread sheets & detailed instructions in word.
• Applied networking tools such as Ping, Telnet and Trace route to verify network diagrams proposed network changes.

Environment: Juniper (E series, J series and M series. Juniper SRX & VPN, T -Series, MX-Series Routers, Routing Protocol (BGP, OSPF, EIGRP, IGRP, IGMP, RIP), Routed Protocol TCP/IP, SIP, Multicasting (PIM), LANProtocol( VLAN,PVlan, VTP,IPX, Inter-vlan routing, ISL,dot1q,STP,IS-IS,RSTP,MSTP,IPVST,LACP, HSRP, GLBP, VPC,VDC,Ethernet, Port security).

Confidential,NJ ,Software Test Engineer 

Responsibilities:

• Responsible for implementing and executing verification tests for CDMA IS-2000 and EV-DO cellular phones during and validation phases of the product lifecycle.
• Effectively executed test cases on candidate software releases to certify Motorola handsets in the sprint/Verizon.
• Performed test procedures including Mobile User Interface, Call quality, Data Session, Connectivity, TTY, Bluetooth.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience
• Experience working Juniper T-Series, M-Series, MX-Series, J-Series and SRX-Series Routers
• Work on different networking concepts and routing protocols like BGP, EIGRP, OSPF, Tunnels, L2TP, and VPLS and other LAN/WAN technologies.
• Designing advanced networking solutions including Quality of Service (QoS), Virtual Routing and Forwarding (VRF) and route redistribution
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
• Configuring the Voice VLAN’s (VOIP) and Prioritizing the voice traffic over the data traffic
• Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/Netting with the firewalls as per the design.
• Configuring firewall filters, routing instances, policy options, on Juniper m320 an d T640
• Installed network infrastructure, including WAN links, internal cabling infrastructure, and other aspects of network design. 
• Migrating 500 Cisco GSR production routers on the AT&T backbone, from Cisco IOS to IOS-XR and upgrading service modules.
• Co-ordinate with the Data Network and Security team and come up with possible solutions.
• Well versed in configuring and troubleshooting Cisco routers (2500, 2600, 3600, 3700, 7200 and 7500 series routers) and Juniper routers.
• Provide solutions to Tier 1 escalated issues and tickets.
• Performing OSPF, BGP, DHCP Profile, HSRP , IPV6, Bundle Ethernet implementation on ASR 9K redundant pair
• Implementing Positive Enforcement Model with the help of Palo Alto Networks
• Efficient in lending support to DSL, DUN, ISP devices for all customers.
• Designing VLAN’s, access lists (ACL), troubleshooting IP addressing issues and Updating IOS images and other hardware installations
• Tested operating system-level software’s on various phones using BREW, a Wireless Development Application.
• Assist in the migration from Cisco 6500 equipment to Cisco Nexus 7000 equipment and stacked Catalyst 3850 switches. 
• Responsible for created and executed test cases that validate proper operation.
• Troubleshoot failures and provided feedback on feature performance.

Environment: WAN Technology (Frame Relay, WAAS, PPP, WiSM Module in 6509, X.25, L2VPN, L3VPN, E1/T1/DS1/DS3), Network Management (SNMP v2, v3, Syslog, HP Open View NNM, Net flow Analyzer, Sniffer, Wireshark, Cisco Works, 3Com Network Analyzer, SolarWinds, Orion), AAA Architecture (TACACS+, RADIUS, Cisco ACS.Operating systems: Linux, UNIX, DOS, WindowsXp/2007, Windows 2003 server and Windows 2008 server