SUMMARY

• Around 5 Years of experience in working with LANs, WANs internet/intranet.
• Experience in Network support migration for setting up new Data center.
• Experience in layer - 3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3725, 3745, 2900 series switches.
• Experience with designing, deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP, HSRP & GLBP.
• Strong understanding of networking technologies: Cisco IOS, Cisco NXOS, OSI Model, Switching, IP Routing, IP Subnetting, TCP/IP protocol, VPN's, DNS, Router/Firewall ACL's, VLANs, WLANs, NAT.
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools
• Dealt with teh escalation problems for Routing, Switching and WAN connectivity issues using ticketing system like Remedy Ticketing System.
• Good noledge and experience in Installation, Configuration and Administration of Windows Servers … Active Directory, FTP, DNS, DHCP, TFTP, Linux OS under various LAN and WAN environments.
• Strong hands on experience on PIX Firewalls, ASA Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
• Working noledge with monitoring tools like Solar Winds & network packet capture tools like Wire-shark.
• Upgrading and backups of Cisco router configuration files. Implementing and maintaining backup schedules.
• Experience in managing and migration of large scale enterprise networks, extensive noledge in developing test plans, procedures and testing various LAN/WAN/SAN products and protocols.
• Ability to identify and mitigate security vulnerabilities in both enterprise and e-commerce environments.
• Identifying changes needed in teh customer-servicing infrastructure configuration to achieve teh technology organization goals.
• Analysing network & system responses and determining tuning recommendations to improve performance.

TECHNICAL SKILLS

Layer 2 Protocols: VTP, STP, RSTP, MST, VLANs, PAgP, LACP, 802.1Q

Routing Protocols: RIP, IGRP, EIGRP, OSPF, IS-IS, BGP, HSRP, VRRP & GLBP

Infrastructure services: DHCP, DNS, SMTP, FTP, TFTP

WAN technologies: Frame Relay, ATM, MPLS, leased lines & exposure to PPP, DS1, DS3, OC3, T1 /T3 & SONET.

IP Devices Routers: 2800, 3600, 3700, 3800, 7200.

Switches: 2960, 3560, 3750, 4500, 6500, N5K, N7K.

Load Balancer Technologies: Big IP F5, Cisco ACE

Network Management: SNMP, Cisco Works, Wireshark, Etheiral, Solar winds, Riverbed

Firewalls: Cisco PIX, ASA, Checkpoint, Fortinet

Network Security Implementations: NAT/PAT, Ingress & Egress Firewall Design, VPN Configuration, ACL's, DHCP Snooping, IP Source Guard, Dynamic Arp Inspection, 802.1x and VACL's configuration

PROFESSIONAL EXPERIENCE

Network Engineer

Confidential - Piscataway, NJ

Responsibilities:

• Configured and implemented various Cisco Routers and L2 Switches.
• Supported core network consisting of Cisco 7200 series routers running multi area OSPF.
• Configured EIGRP and OSPF as interior gateway protocols with route filtering and route redistribution.
• Implemented stub/Totally stub areas and various OSPF features like route-summarization and SPF throttling.
• Responsible for service request tickets generated by teh halpdesk such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Configuring, Managing and Maintaining Networking Equipment's such as Nexus 5000, 7000, Catalyst 6500.
• Coordinated with senior engineers with BGP/OSPF routing policies and designs, worked on implementation strategies for teh expansion of teh MPLS VPN networks.
• Developed good noledge and skills in networking concepts, router and switch configuration with Cisco IOS, such as Nexus 5000, 7000, Catalyst 6500
• Implemented IPsec SVTI site-to-site VPN using AES-256 encryption and SHA-512 hash.
• Support customer with teh configuration and maintenance of ASA firewall systems
• Deploy and support network load balancers, such as F5 LTM/GTM, Cisco ACE, etc.
• Supporting OSPF and BGP for problems of L2/L3 in internal teams & external customers
• Perform offsite testing at external customer labs to validate solutions.
• Responsible for assessing teh existing network topology and propose an action plan to reduce teh layer 2 loops on teh network based on Nexus technology.
• Migration and installation of VPC's on Nexus 7K, 5K, 2K to achieve High availability on servers.
• Overall Network administration including QoS and traffic shaping across switched and routed networks, as it relates to VoIP.

Network Engineer

Confidential - Boston, Massachusetts

Responsibilities:

• Configured Routing protocols such as RIP, OSPF, EIGRP, Static Routing and policy-based routing.
• Team member of Configuration of Cisco 7206 router with VPN and Configuration of Catalyst switches.
• Configuration 7500, 7200 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
• Create and test Cisco router and switching operations using OSPF routing protocol, ASA 5500 Firewalls, and MPLS switching for stable VPNs.
• Troubleshooting teh Network Routing protocols (BGP, EIGRP and RIP) during teh Migrations and new client connections.
• Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K, 2k and its downstream devices.
• Implemented, configured BGP route-reflectors for efficient routing update propagation.
• Technical assistance for LAN/WAN management and complex customer issues.
• Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance, offset-lists. Monitored bandwidth, network activity, and network alert by analysing data provided by Solar Winds Orion platforms.
• Performing network monitoring, providing analysis using various tools like Wireshark, SolarWinds etc.
• Responsible for Cisco ASA 5500 Firewall administration, Rule Analysis, Rule Modification.
• Worked on Checkpoint Firewall R77, Palo Alto and Cisco ASA 5520 firewalls.
• Designed and configured teh commands for QoS and Access Lists for Nexus 7K and 5K.
• Responsible for designing and implementation of customer's network infrastructure.
• Network Implementations involve Cisco TACACS server management, TACACS Authentication monitoring, Local server certificates wireless endpoints, troubleshooting QoS CBWFQ Traffic shaping, Packet capture analysis via Wireshark and reporting unusual traffic.

Network Support Engineer

Confidential - Rochester, New York

Responsibilities:

• Involved in configuring Cisco routers and switch administration, familiar with enterprise level Cisco Routers such as 7200 series, 3800 series, 3700 series, 2800series,
• Configuring and troubleshooting of routing protocols such as OSPF and BGP for effective communication.
• Installing & configuring firewalls like Fortinet FG-200E, Checkpoint NG & NGX.
• Implement VLAN's and access lists (ACL) and troubleshoot IP addressing issues and Update IOS images and other hardware installations.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Dealt with F5's load balancing products in managing teh key role issues.
• Dealt with NAT configuration and troubleshooting issues related access lists and DNS/DHCP issues within teh LAN network.
• Managing and configuring Cisco Switches and Fortinet Firewalls independently.
• Provisioning and troubleshooting Ethernet services, Gigabit networks and Connectivity issues with WAN types (MPLS).
• Installing and configuring teh VPN's for teh clients (site to site) using IPSec and GRE.
• Involved in Configuration of Access lists (ACL) for teh proper network routing for teh B2B network connectivity.
• Worked with customers in troubleshooting issues related to connectivity, STP, VLANs, Inter-VLAN routing, VTP, Ether channels, Layer 2/3 switching, log messages.
• Possess excellent verbal and written communication skills and experience developing and maintaining technical procedure and documentation.

Network Support Engineer

Confidential

Responsibilities:

• Planning, installation, configuration and ongoing maintenance of wired networking infrastructure including routers, switches, and configuring all necessary LAN / WAN protocols in support of wireless infrastructure.
• Knowledge and experience of 802.11 a/b/g/n Ethernet standard for wireless Technology
• Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP, OSPF, BGP with Access Control List.
• Worked on Layer 2 protocols such as STP, VTP, and other VLAN troubleshooting issues and Maintained core switches
• Designed IP Addressing scheme, VLAN tables and Switch port assignments, Trunking implementation
• Trouble shooting single and multi-arm topologies, Fix routing issues and misconfigurations.
• Performed on-call rotation schedule using SNMP network monitoring tool for client support sites.
• Work with field engineers and escalation teams to patch and update networking software on client's network gear, mostly using Cisco routers and switches.
• Controlling, monitoring and troubleshooting LAN, WAN system.
• Configuring of IP Allocation and subnetting for all applications and servers and other needs throughout company.
• Performed maintenance on equipment as necessary, performing device upgrades, modification of configurations, password changes and diagnostic testing
• Provide recommendations on network infrastructure and reorganization with detailed network analysis using VISIO network drawings.
• VLAN design and implementation for new network requirements, including VLAN bridging and multi-port Trunks.
• Install and configure network services like DCHP, DNS, FTP and SNMP.

Network Engineer

Confidential

Responsibilities:

• Experience on Cisco IOS and Upgrading Cisco IOS using TFTP server.
• Backups of Cisco router configuration files to a TFTP server.
• Involved with teh network infrastructure and teh planning and design of enterprise local-area/wide-area network (LAN/WAN) solutions.
• Plan, design, install and configure LAN/WAN as per organizational/client requirements, governed by communication protocols.
• Configured all devices for remote sites/plants, vendors and added new equipment to RADIUS and worked with MPLS-VPN and TACACS configurations.
• Handling data network issues in and around sites and providing solutions.
• Basic configuration of routers, switches, hubs, modems and other networking devices.
• Troubleshoot all networking problems to ensure minimum downtime and maximum availability of network
• Manage office network with Cisco devices with network devices including 2500 and 3600 series routers and 3500, 2900, 1900 series switches.
• Configured VLANs, Private VLANs, VTP and Trunking on switches.
• Configured L2 and L3 security features on devices.
• Hands on Experience in Inter-Vlan routing, redistribution, access-lists and dynamic NAT
• Log messages using Syslog server and analyse teh issues related to high CPU utilization and parameters dat can degrade performance of teh network.