NARAYAN

Network Engineer

Email: ac33v1@r.postjobfree.com

Mobile: 848-***-****

PROFESSIONAL SUMMARY

Around 3 years of experience in Networking, including hands-on experience in providing network support, installation and analysis for a broad range of LAN /WAN communication systems.

Strong command over protocol stack and OSI layers and worked extensively on network layer along with different hardware configurations in testing.

Extensive experience in configuring and troubleshooting the protocols like TCP/IP, Routing Protocols (RIP IXIA, OSPF, BGP, EIGRP), PPP, PPTP, L2TP, NAT, IPSec.

Hands-on experience in using various network monitoring and packet sniffing tools.

Knowledge in 802.11a, 802.11b, 802.11g, Bluetooth.

Familiar in working with IPv4 & IPv6 addresses.

Extensive experience in Layer 3 routing and Layer 2/3 switching and deal with router configurations of 7200, 3800, 2800 and switches 4500, 3700, 3750, 3900, 2900, 2960 and 3500XL, 3950 switch series.

Switching tasks include VTP, ISL/802.1q, IPSec & GRE Tunneling, VLANs, Ether Channel, Trucking, Port Security, STP & RSTP, and PVST+.

Extensively exposed to troubleshooting, maintaining devices and migration of technology.

Extensive Experience in WAN Technologies, Switching Technologies along with Failover Mechanisms & Inter VLAN Routing types.

Hands-on experience in configuration and setup of DHCP, FTP and TFTP.

Network connectivity troubleshooting, ping, trace route, telnet.

Responsible for Check Point and Cisco ASA firewall administration across global networks.

Knowledge on Palo-Alto Pa-5000/3000 while operating on Access lists (ACL).

Familiar with the F5 system logging event types and logging levels.

Understanding of F5 GTM solutions, including Wide IP and Pool Load Balancing Methods, probers and monitors.

Experience with advanced health checks within LTM.

Provided Teir2-3 technical support for LAN/WAN issues and on-call for technical escalation on a rotational basis (Remedy Ticketing system).

Worked with VMware player, virtual box and VMware workstation.

A good team player with meticulous nature and a persevering attitude. A fast learner with good communication skills.

Exceptional experience working in fast-paced, deadline-oriented environments.

TECHNICAL SKILLS

Cisco Router Platforms : 7600, 7200, 3800, 3600, 2800, 2600, 2500, 1800 series

Cisco Switch Platforms : 6500, 4900, 4500, 3750, 3500, 2900, 1900 series

Load Balancers : BIG-IP F5, Cisco CSM

Routing Protocols : RIP, IGRP, EIGRP, OSPF and BGP

L2 Protocols : VTP, STP, RSTP, MSTP, PVST, ISL, 802.1q

Switching : VLANs, Private VLANs, 802.1q, and Ether-Channel

Redundancy Protocols : HSRP, VRRP.

Firewalls : Cisco ASA Appliances (5505, 5550), Palo Alto.

Network Management : SNMP, Cisco Works, Wire shark, Solar Winds and HP Open

Servers : FTP, DHCP, DNS, HTTP, Syslog and TFTP

Documentation : MS office, MS Visio

Operating Systems : Windows NT/2000/XP/ Vista/ 7/8; MS DOS, Linux

WAN Technologies : Frame Relay, PPP, ATM, and MPLS

WORK EXPERIENE

Samiteon LLC (IBEX-Global SEP 2016-Till date

Network Engineer

Key Responsibilities:

Working with Network Design and implementation teams on various projects across North America and South America.

Remote site network design, implement and troubleshoot in various network environments

As a part of new site implementation configured different routing protocols like BGP, OSPF, UDP, TCP, Ethernet, WiFi, as per company standards

Performed Health-check on the WAN connections of all the Datacenters Involved for the fail-over issues.

Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new WAN links

Implemented IBGP on all the datacenters and resolved both the fail-over issue and Inter datacenter communication problems.

Experience with manipulating various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.

Resolved the black-hole traffic issues while implementing the IBGP.

Troubleshoot Data center network issues, Cross connectivity and WAN Backbone issues between Data centers.

Configured Access-List, Prefix-List, Route-Map for the best path selection of IN&OUT bound traffic.

Good understanding of SNMP, IP SLA and Network Monitoring with experience in tools like PRTG.

Performing network monitoring, providing analysis using various tools like Wireshark, SolarWinds.

Worked on Windows 2008 Active Directory VMware Active directory Exchange Domain Administration and Microsoft Exchange 2007-2013.

Experienced in administration of VMware ESX and ESXi Servers.

Experience with design and implementation of Data center migration.

Deploying and decommission of VLANs on core Nexus 7K, 5K and its downstream devices.

Designed and configured the commands for QoS and Access Lists for Nexus 7K and 5K.

Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR.

Assisted in MPLS migrations, implemented a backup for the existing WAN connection using site-to-site IP sec VPN tunnels.

Experience on cisco wireless management systems which includes cisco 8540 Wireless controllers, cisco 5520 Wireless LAN controller, and virtual wireless controllers.

Configuring and installing ASR 1k, Nexus 7k, 6500, 4500 and maintaining.

Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to Get-VPN.

Configuring HSRP between VLANs, Configuring Ether-Channels (LACP and PAgP) Port Channel on Nexus 7k Switches.

Configured Vpc Peer-Links and links to the core on a single module, Moved other port-channels into Vpc.

Configured and tested of various networking equipment for production rollout.

Worked on F5 LTM series like 6400, 6800 for the corporate applications and their availability.

Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4.

Performing the ACL requests change for various clients by collecting source and destination information from them.

Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols and providing secure sessions over internet using IPsec and SSL encryption.

Supporting EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations.

Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP and identifying the root cause of the issues.

Building the VPN tunnel and VPN encryption.

Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2Bnetwork connectivity.

Troubleshoot the Network Issues onsite and remotely depending on the severity of the issues.

Created Visio Dean / Visio Documentation to give complete picture of network design for each building.

Environment: Cisco2948/3560/4500/3560/3750/3550/3500/2960 6500 switches and Cisco 3640/12000 7200/3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, Checkpoint, windows server 2003/2008: F5 BIGIP LTM, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP.

Arrosoft Solutions MAY 2015-SEP 2016

Network Engineer

Key Responsibilities:

Worked as a part of network team where my daily tasks included configuring, monitoring and troubleshooting of IP networks.

Supporting EIGRP, OSPF, IS-IS and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations.

Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP and identifying the root cause of the issues.

Monitoring and maintaining the Network Routing protocols (BGP, EIGRP and OSPF) during the Migrations and new client connections.

Worked on the redistribution into OSPF on the core ASA firewall.

Involved in the removal of EIGRP from all devices and making OSPF the primary routing protocol.

Assisted in MPLS migrations, implemented a backup for the existing WAN connection using site-to site IP sec VPN tunnels.

Experience on cisco wireless management systems which includes cisco 8540 Wireless controllers, cisco 5520 Wireless LAN controller, and virtual wireless controllers

Maintenance of client wide area networks (WAN) and local area networks (LAN).

Experience in Configuring, upgrading and verifying NX-OS operation system with OSPF.

Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalysts.

Switching tasks include VTP, ISL/802.1q, IPSec & GRE Tunneling, VLANs, Ether Channel, Trucking, Port Security, STP & RSTP, and PVST+.

Configured and managed VLANs, 802.1Q Trunk, RPVST+, Inter-VLAN routing, HSRP and LAN security for Layer-2 and Layer-3 switching domains as per the organization's requirement plan.

Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN.

Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-Trunking, deployed port security when possible for user ports.

Configured STP for loop prevention and VTP for Inter-VLAN Routing.

Responsible for Cisco ASA firewall administration across our global networks

Participated in trouble shooting of DNS, DHCP and other IP conflict problems.

Involved in Data Backup, System Update, Recovery and Restore, and Spyware removal.

Deploying and decommission of VLANs on core Nexus 7K, 5K and its downstream devices.

Good knowledge of IPv4 and IPv6 Addressing, Fixed Length and Variable Length Subnet Masking (VLSM), OSI and TCP/IP models.

Thoroughly present data statistics to assist with wireless performance, throughput speeds and minimize negative impact on customer experience, Bench-marking, Analyzing, Testing wireless network.

Wide exposure to LAN/WAN setup, installation, configuration and commissioning of network devices.

Worked extensively on Cisco ASA 5505 & 5500(5510/5540) Series, experience in converting PIX rules over to the Cisco ASA solution.

Hands on experience in Cisco Nexus (VPCs, port-channeling, spanning-tree).

Ability to handle deployments and upgrade of datacenter firewall environments.

Troubleshoot Data center network issues, Cross connectivity and WAN Backbone issues between Data centers.

Academic knowledge and hand of experience working with cisco ASA 5500 and 5505.

Create and test Cisco router and switching operations using OSPF routing protocol, ASA 5500 Firewalls, and MPLS switching for stable VPNs.

Environment:-Cisco2948/3560/4500/3560/3750/3550/3500/2960 6500 switches and Cisco 3640/12000 7200/3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 5505 & 5500, Checkpoint, Access-List, windows server 2003/2008: F5 BIGIP LTM, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP.

Zest Systems Pvt Ltd, Hyderabad, India. JUN 2014-DEC 2014

Jr. Network Engineer

Key Responsibilities:

Involved in network monitoring, alarm notification and acknowledgement.

Implementation of new/changing existing data networks for various projects as per the requirement.

Troubleshooting complex networks layer 1 (routing with EIGRP, OSPF and RIP protocols) technical issues.

Used Wire shark for network packet capture.

Provided support to networks containing more than 2000 Cisco devices.

Performed troubleshooting for IOS related bugs by analyzing history and related notes.

Carried out documentation for tracking network issue symptoms and large scale technical escalations.

Managed the service request tickets within the phases of troubleshooting, maintenance, upgrades, fixes, patches and providing all-round technical support.

Commissioning and Decommissioning of the MPLS circuits for various field offices.

Prepared feasibility report for various upgrades and installations.

Knowledge and experience of 802.11 a/b/g/n Ethernet standard for wireless Technology.

Configured STP for loop prevention and VTP for Inter-VLAN Routing.

Troubleshooting issues and outages on Trunks and Router interfaces extensively.

Technical assistance for LAN/WAN management and complex customer issues.

Installation and maintenance of new network connections for the customers.

Configured all the required devices and equipment for remote vendors at various sites and plants.

Configure SSL VPN for remote users connecting to the network.

Involved in DR testing involving DR site firewall and SSL VPN devices

Installation and maintenance of local as well as network printers.

Installation and maintenance of Windows NT Workstations and Windows NT Server.

Provided technical support to LAN & WAN systems.

Monitored Memory/CPU on various low-end routers in a network

Environment: LAN, WAN, Sub-netting, VLAN, VTP, VPN, NAT, OSPF, BGP, EIGRP.

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