SUMMARY

• Proficient in configuration & troubleshooting of routing protocols: MP - BGP, EIGRP, OSPF, BGP and MPLS.
• Involved in configuration setup and troubleshooting of Cisco and juniper devices to perform functions at the Access, Distribution, and Core layers.
• Experience working with Nexus 7010/Nexus 7018, 5020, 2148, 2248 devices.
• Experience working with Cisco Nexus2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• Hands on experience in troubleshooting and deploying of various IP Routing Protocols OSPF & BGP on Juniper routers.
• Excellent customer management/resolution, problem solving and debugging skills with good verbal/written communications and presentation skills.
• Extensive knowledge of deploying & troubleshooting TCP/IP, Implementing IPv6, Transition from IPv4 to IPv6, Multilayer Switching, UDP, Fast Ethernet, Gigabit Ethernet, Voice/Data Integration techniques.
• Adept in preparing Technical Documentation, MOPS and presentations using Microsoft VISIO/Office.
• Well organized, Self-starter, Quick learner, Self-Motivated, Team player with analytical, technical and communication skills.

TECHNICAL SKILLS

• Cisco & another vendor equipment
• Nexus 7K 5K 2K & 1K
• Cisco routers Cisco GSR 00 3800 3600 28002600 2500 1800 series)
• Cisco Catalyst switches (6500 4900 3750 3500 2900 series).
• Juniper SRX Firewall (240/550/1500 )
• ASA Firewall (5505/5510)
• Cisco ACE Load Balancers check point.
• RIP
• IGRP
• EIGRP
• OSPF
• IS-IS
• BGP
• HSRP
• VRRP & GLBP
• Infrastructure services: DHCP
• DNS
• SMTP
• FTP
• TFTP
• Ethernet
• Fast Ethernet
• Gigabit Ethernet & 10 Gigabit Ethernet
• Port- Channel
• VLANS
• VTP
• STP
• RSTP
• 802.1Q
• Frame Relay
• ISDN
• ATM
• MPLS leased lines & exposure to PPP.
• DS1
• DS3
• OC3
• T1 /T3 & SONET
• Packet Switched WAN - ATM
• FRAME RELAY
• MPLS VPNs

PROFESSIONAL EXPERIENCE

Confidential, Lincolnshire, Illinois

Network Operations Engineer

Responsibilities:

• Configure/implement network infrastructure components such as routers, switches, wireless controllers, and firewalls.
• Support worldwide enterprise network configuration changes and perform changes on all network devices during off production hours.
• Work with level 1,2 and 3 engineers while changes are implementedand open tickets to support changes and document all commands entered for the change.
• Support complex networkoperations support for the System network. Diagnose complex network disruptions and assists in coordination activities for restoration of network services.
• Work closely with At&t and Frontier on testing and troubleshooting circuit issues.
• Analyzes data traffic patterns within network infrastructure to detect operational problems and recommends improvements to ensure optimal performance.
• Investigate/resolve connectivity issues across LAN/WAN.
• Troubleshoot dynamic routing protocols such as EIGRP, OSPF, and BGP.
• Investigate/resolve vendor incidents through maintenance contracts.
• Monitor networktraffic to ensure high quality connectivity.
• Monitor and manage multiple systems for multiple clients remotely and liaised between vendor support and system owners.
• Using Solar Wind monitor network devices globally for network latency and usage, manage internal network IP address using Infoblox.
• Responsible for providing in-depth troubleshooting and resolution of problems while complying with customer SLA times.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Responsible for Data center operations, monitoring and maintaining the network devices.
• Document and followed the change process as per IT policy it also includes the configuration of port channel between core switches and server distribution switches.
• Familiar in Setting up GTM / LTM for F5BigIP, by writing iRules, SSL offload and creating WIP and VIP's, also familiar with enterprise level traffic managers.
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation.
• Assist the certification team and perform configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet.
• Implemented Solar Wind & Net flow to maintain configuration backups and have more visibility into our data.
• Troubleshooting the Access points using Cisco Wireless Controllers, Cisco Prime & LED Status on the access points.

Confidential, Hartford, CT

Sr. Network Engineer

Responsibilities:

• Experience with migration of datacenter switches from 6500-based data center to Nexus based data center.
• Responsible for Data center operations, monitoring and maintaining the network devices.
• Experience with communicating with different customers, IT teams in gathering the details for the project.
• Experience working with Cisco IOS-XR on the ASR 9000 devices at core layer.
• Involved in Substantial lab testing & validation prior to implementation of Nexus 7K, 5K & 2K connecting to blade servers.
• Infrastructure design, implementation and integration leveraging use of on-site and cloud-based assets to ensure high availability and redundant disaster recovery options.
• Responsible for implementation and troubleshooting of Nexus 7010, 5020, 2148, 2248 devices as a part of the datacenter migration project.
• Perform configuration and maintenance of LAN/ WLAN infrastructure, which included switches, wireless controllers, wireless access points, UPS’s and PDU’s.
• Responsible for implementation of Cisco Nexus 2148 Fabric Extender and Nexus 5000series to provide a flexible Access Solution for datacenter access architecture.
• Experience in working with installing Nexus 7010 NX-OS upgrade.
• Experience with configuring various network services like DNS, DHCP and NAT implementations with Cisco devices.
• Installation and Configuration of Cisco switches 3850 stack wise series switches in the access layer.
• Experience configuring OSPF and BGP on branch routers with Access Control lists implemented as per Network Design Document. Established redundancy at critical sites for high availability.
• Automated network implementations and tasks and designed monitoring tools using python scripting.
• Configuring Cisco ASA firewalls in single and multiple context mode firewalls.
• Experience with F5 load balancers - LTM, GTM series like 5800,7200-V for the corporate applications and their availability.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/SRX security appliance Failover, DMZ zoning, & Configuring VLANs NATing with the firewalls as per the design.
• Configuration and extension of VLAN from one network segment to other network segment between different vendor switches (Cisco, Juniper)
• Automated network implementations and tasks and designed monitoring tools using python scripting.
• Responsible Configuring OSPF and BGP on Juniper MX series Routers.
• Switching tasks include VTP, ISL/ 802.1q, IPsec and GRE Tunneling, VLANs, EtherChannel, Trucking, Port Security, STP and RSTP.
• Well Experienced in configuring protocols HSRP, GLBP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
• Involved in design and deploying various network security & High availability products like Cisco ASA and other security products.
• Worked in various wireless installation projects and installation of indoor/outdoor wireless installs, Network cabinet, Fiber/ Ethernet cabling, new equipment and provide new design documentation and inventory spreadsheets.
• Collecting information of Network infrastructure using SNMP tools SolarWinds, HP NNM and Opnet.
• Enabled continuous Layer 2 monitoring with SolarWinds, so that each site can run independently until connectivity is restored.
• Used SPLUNK to monitor traffic flow, and to confirm connectivity.
• Responsible for managing activities, Upgrading IOS - Upgrading hardware and installing new devices, tuning (Configuration), make standardization for the topology.
• Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling.
• Network Redesign for Small Office/Campus Locations. This includes changes to both the voice and data environment.
• Replace branch hardware with new 2900/3900/MX-80 routers and 3850 switches.
• Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trucking, deployed port security when possible for user ports.
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.
• Followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches.
• Responsible for the general upgrade and operation of infrastructure environment's performance, stability and security.
• Implement and configured GLBP (on core switching and for VPN redundancy), HSRP on different location of office on the switched network and managing the entire multilayer switched network.

Confidential, New Jersey

Network Engineer

Responsibilities:

• Responsible for Configuring SITE TO SITE VPN on Cisco ASA 5500 series firewall between Head office and Branch office.
• Installation & configuration of Cisco VPN concentrator 3060for VPN tunnel with Cisco VPN hardware & software client.
• Responsible for implementation of wired and wireless solutions in the Physical Layer functionality in areas such as detection, synchronization, channel coding/decoding, parameter estimation and tracking.
• Working on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
• Configure, test, and implement dedicated network and security environment in the data center.
• Maintain documentation of all servers, applications and networkcomponents at the data centers to include IP address, physical connections, physical and logical data flows and work flows.
• Planning and configuring the routing protocols such as OSPF, EIGRP and Static Routing on the routers.
• Performed and technically documented various test results on the lab tests conducted.
• Worked onCiscoLayer 2 switches (spanning tree, VLAN).
• WAN Infrastructure running OSPF & BGP as core routing protocol.
• Support various Routers like 2600/3600/7200 series routers.
• Tested authentication in OSPF and BGP.
• Configured and troubleshoot OSPF and EIGRP.
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security.
• Work on different connection medium like Fiber and Copper Connectivity.
• In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Planning and configuring the entire IP addressing plan for the clients'network.
• Assist the certification team and perform configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet.

Confidential

Network Engineer

Responsibilities:

• Responsible for the installation, configuration, maintenance and troubleshooting of the company network. Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment.
• Assisted system administrators in their task of maintaining the company's Unix servers and work stations.
• Experience in System Administration, System Builds, Server Builds, Installs, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on Red Hat Linux.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Administration/Configuration of Linux/windows print server/client in network.
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation.
• Other responsibilities included documentation and change control.
• Worked on Cisco routers 7200, 3800, 2800 and Cisco switches 4900, 2900
• Routing protocols OSPF, RIP & BGP.
• Configured BGP for CE to PE route advertisement inside the lab environment.
• Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues.
• Responsible for configuring GLBP between multilayered switch networks.
• Administration of Cisco 11.x and 12.1 versions and higher.
• Monitored all Cisco equipment using Cisco Works.
• Upgrades and backups of Cisco router configuration files to a TFTP server.
• Implementing and maintaining backup schedules as per the company policy.