SUMMARY:

• Certified Network Engineer 7 years experience in design, implementation, configuration of Cisco Routers, Switches and Firewalls, troubleshooting & fine - tuning of Firewalls, VPN configuration, troubleshooting network related problems in Enterprise& Data Center Networks.
• Around 4 yearsof experience in implementing and configuring protocols such as HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Experience working with Cisco NCS, CRS, GSR, ASR router platforms.
• Experience working with Cisco 7200, 7600, 3900 series routers, Catalyst 3750, 4500 and 6500 series and Nexus 77K/7K/5K series switches and Nexus 2K FEX modules.
• Experience with IOS, IOS-XR, NX-OS operating systems.
• Familiar with 4G LTE EPC Networks & Signaling Concepts
• Experience working in Service provider MPLS backbone environment.
• Experience with IP, Ehernet, QoS, VOIP, CDN, SDN, NFV, Fibre channel, Cabling, Multicast (PIM), ASA, PBX, WLAN, VDS, VSS, NSX, Cisco ISE 
• Around 4 years of experience in working with Cisco routers and switches implementing protocols such as EIGRP, OSPF, IS-IS BGP and MPLSon edge routers and so.
• Around 2 plus years of experience in handling Network Monitoring tools and Packet capture tools ( NetFlow, Wireshark, Sniffer ) .
• Hands-on experience configuring and troubleshooting of routing protocols RIP v1/v2,
• Worked with virtual servers using VMware.
• Knowledge of Subnetting IPv4/IPv6 addresses and IP address management.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
• Experience with Windows server products and Linux server products.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, bridges, routers, hubs and switches.
• Responsible for switching tasks such as VTP, ISL/ 802.1Q, IPsec and GRE Tunneling, VLAN, Ether Channel, STP RSTP, PVST+.
• Experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500, and 1800 series routers, Cisco Catalyst 6500, 4500, 3750, 2950, and 3500XL series switches.
• Creating Linux   Virtual Machines using VMware Virtual Center.
• Experience with Cisco IOS XR on ASR9000, 12000 series routers.
• Experience in working with F5 Local Traffic Manager (LTM).
• Expertise in implementation of IP addressing schemes (includes VLSM) and IP services to meet medium level enterprise level network requirement
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps,Cisco ASA firewall.
• 3 year Experience on migration and troubleshooting problems with level 2, level 3 and level 4 and applications as well
• Worked with Real-time Transport Protocol for delivering audio and video over IP networks
• Experience in installing and configuring DNS, DHCP server.
• Good understanding of FTTH, SONET, DWDM and CWDM technology. 
• Enabled multipath routing in Data Centers using Shortest Path Bridging.
• Designing experience with MS Visio, Whiteboard, etc.,
• Hands on experience with Juniper EX-Series Ethernet Switches.

TECHNICAL SKILLS:

Routers: Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, and 7200),

Switches: Cisco L2 & L3 Switches (2900, 3560, 4500, 5000 & 6500), ASA, PIX, FWSM, Juniper,Netscreen

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet,VLAN, Inter-VLAN Routing, VTP, STP, RSTP

WAN Technologies: Frame Relay, ATM, ISDN, PPP, HDLC

Firewalls: Firewalls/VPNs ASA, Palo Alto, Juniper, PIX, Cisco VPN 3000 Series Concentrator

OS products/Services: DNS, DHCP, Windows (2000/2003, XP), UNIX,LINUX, Microsoft SQL Server 2000 and 2005, VMware.

Protocols/Services: Routing Protocols (RIP v1 & v2, IGRP, OSPF, EIGRP, BGP), QoS, HSRP, VRRP, TCP/IP, load balancer, Proxy servers, IPSec, MPLS, PPP, VoIP, SIP, H.323, IPV6

Network Management Tools: Wireshark, Netflow Analyzer, HP OpenView, Cisco Works, Ethereal, OPNET, Solarwinds

Security Server Protocols: TACACS+, RADIUS

Tools, Software’s: VM ware, Virtual Box, Cisco packet tracer, GNS3,Cloud computing concepts,Software Defined Networking,MS Visio.

PROFESSIONAL WORK EXPERIENCE:

Confidential, East Brunswick, NJ

Network Engineer/ Admin

Responsibilities:

• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Installation and Configuration of Cisco switches from scratch catalyst 4500-X series, catalyst 3750-X series, Dell X1052 series
• Implementation of VLANs, STP configuration on Cisco 4500, 3750
• Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification
• Configuring, Monitoring and Troubleshooting Cisco's ASA 5515
• Creating dedicated VLANs for Voice and Data with QOS for prioritizing the VOICE over the DATA
• Configuring Virtual Device Context in Nexus 7010
• Configuring and troubleshooting  routing protocol OSPF
• Fine tuning of firewall policies based on Information security policy
• Configuring F5 from scratch (Racking, setting up interfaces, VLANs, HA, VIPs, POOLs) 
• Deploying IDS/IPS in Promiscuous mode and inline mode as per the requirement and monitoring the network traffic & customizing the signatures
• Manage, monitor and maintain SAN
• Auditing network devices
• Troubleshoot VPN connectivity
• Maintain inventory for all computerized hardware, software and licenses.
• Connect and configure IT devices to use computer networks
• Provide front-line computer support for staff
• Administering DHCP, DNS and other common network protocols.
• Creating, cloning Linux   Virtual Machines, templates using VMware Virtual Client 4.1 and migrating servers between ESX hosts
• Configured F5 Load balancer LTM divide traffic from the web servers. 
• Perform configuration, troubleshooting and operational support of network devices such as routers, switches, IDS/IPS, VPNs, firewalls, servers, desktop computers and cabling in a large LAN/WAN environment. 
• Involved in setting up IP sec VPN between ASA firewalls.
• Configured and modified ACL rules (extended ACL) in firewall and router. 
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Implementation of name resolution using DNS in TCP/IP environment 
• Wrote IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades.
• Excellent Troubleshooting Skills and Customer Centric approach.
• Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
• Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area). 
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
• Performed multiple NOC duties such as 3rd level VoIP escalation issues, and network monitoring.
• Configuring Vlan's, VTP's, enabling trunks between switches.
• Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/ Linux system.
• Installation and Configuration of various types of Personal Computers and Printers. Installation of different operating systems on Intel based PC's.
• Used the Wireshark   tool to study HTTP, telnet, and SSL traffic
• Troubleshoot/resolve Cisco Unity Connection voice mail issues
• Hand-on experience in developing scripts using Perl scripting language
• Troubleshooting of personal computers. On line Support to customers concerning their computer problems.
• IP reservation and management using tools such as QIP
• Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)
• Identify, design and implement flexible, responsive, and secure technology services
• Monitored network for optimum traffic distribution and load balancing using Solar winds.
• Validate existing infrastructure and recommend new network designs.
• Installed and maintained local printer as well as network printers.
• Experienced Tech Support as it relates to LAN & WAN system

Confidential, Piscataway, New Jersey

Network Engineer

Responsibilities:

• Responsible for configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E.
• Implementing ACL for Network Security and time Based Usage of ISDN links.
• Member of the Cisco Advanced services team supporting Confidential Wireless Regional Team. Cisco Advanced services team is responsible for providing On-site support and assistance to customer as per the NOS (Network Optimization services) contract between Cisco and Confidential Wireless.  The regional team is responsible for upgrading and maintaining the Confidential wireless Network in the Northeastern part of the Unites States.
• The position is in support of a regional team in Confidential Wireless that is handling projects like CRS-X installation, configuration and turn-up and other change and troubleshooting activity in the region, also will be doing things like writing MOPs, reviewing known defects to determine applicability to VZ, analyzing syslogs and providing change recommendations, etc.
• Providing configuration assistance in creating MOPs (Methods of Procedure) to the customer which is the most important deliverable of the Confidential Wireless regional team for all the projects
• Testing and validating the MOPs in a lab environment before they are deployed in the production network
• Provide support during the MOP execution maintenance Windows.
• Generate reusable Intellectual Capital in the form of standard customer deliverables like software compliance reports, hardware End-of-life reports, network audits etc.
• Built an openstack   cloud computing platform using CentOS 7, with Horizon, Neutron, Nova, Cinder and Swift running in dedicated VMs. Also added Heat and Ceilometer services and starting work with HOT templates for an upcoming project. Managing user accounts for in-house openstack training
• Investigate various issues and fix existing problems using batch, shell, Perl   script
• Adept knowledge in preparing technical documentation and presentations using Microsoft Visio/ Office.
• Maintain and support Cisco ePDG, Cisco PGW, Cisco HSGW, Ericson MME,Juniper   MX960,Juniper   8216
• Worked with Cisco and Juniper   infrastructure and operating systems
• Conducting Knowledge Transfer sessions(TOI) and Cisco technology/product training
• Test and validate network designs in the lab and create deployment guidelines to be used as a reference for the customer projects
• Perform network utilization audits and subsequent capacity planning
• Collaborate with Architecture, Design and Operations teams for successful completion of projects from planning to execution
• Responsible for maintaining the NNO portion of the Cisco Lab
• Troubleshooting technical issues during on call and change control support
• Troubleshoot in network environment (BGP, OSPF, MPLS)
• Configuring and troubleshooting various layer 2 technologies like STP, RSTP, VTP, vPC etc 
• Working with Cisco CRS, GSR, ASR, Nexus and Catalyst Platforms
• Troubleshooting for various network protocols like HSRP, VRRP, EIGRP, MP-iBGP etc
• Understanding in 4G LTE EPC Networks & Signalling concepts
• Understanding of industry standard Service Provider, Data center and Enterprise LAN/WAN network architectures
• Perform TOIs to the area and region team
• Assist customers with new Cisco hardware, Software and technology insertion
• Create Write-ups providing resolution for bugs
• Worked on CRS TO NCS migrations, Catalyst to Nexus platform migrations, IOS-XR/NX-OS hardware upgrades, New MTSO office turn-ups, Nexus 77k installs and EDN-ITx multicast projects
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
• Assist customers with new Cisco hardware, Software and technology insertion

Confidential

Network Engineer

Responsibilities:

• Managing and troubleshooting of Cisco 12K GSR, 7600, 7200VXR and Juniper M320 routers including installation, upgrade, configuration and network management.
• Worked in a team of three to maintain almost 4 petabytes of NAS storage on NetApp Vseries 3240’s and 3250’s clusters
• Configuring managedCPE routers such as Cisco 2600, 3640, 7200VXR for eBGP peering.
• Configuration and support of multi area OSPF environment with SPF throttling.
• Configured MD5 authentication for OSPF/BGP and TTL security for BGP.
• IP management using QIP .
• Troubleshooting of routing protocols like OSPF, BGP and modifying various BGP attributes like Local-Pref, Weight, MED, RR attributes like Cluster-list & Originator-ID.
• Tested QoS infrastructure to provide proper priority and queuing based on traffic type using Ixia and Spirent test sets.
• Configuration and support of QOS features like CBWFQ, WRED.
• Implemented traffic class mapping to different VLANs/VRFs based on the traffic type - voice, data, control and billing.
• Provided pro-active fault monitoring of Cisco routers and switches utilizing HP overview, CiscoWorks and Cisco IOS commands.
• Configured and performed troubleshooting of EIGRP and BGP on Sears FLS and data center routers.
• Configured VLANs, RSTP, HSRP, DLSW and VRRP for Sears FLS and offices.
• Performed packet analysis of web applications using nGeniusInfiniStream application
• Created configuration templates for changes in Sears Outlet stores and FLS.
• Provided Level 3 technical support for data centers and stores.
• Prepared cost estimates for new store deployments and changes.
• Completed Sears datacenter audit and updated Visio diagrams.