SUMMARY

• 8+ years of experience in networking and telecommunications which includes expertise in Routing, Switching, Wireless,Firewalls and Load Balancers.
• Expert level knowledge about TCP/IP and OSI models.
• Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as RIP, EIGRP, OSPF, BGP and MPLS ability to interpret and solve complex route table problems.
• Knowledge of implementing and troubleshooting complex layer 2 technologies like VLAN trunks, VTP Ether channel, STP, RSTP and MST.
• Implementation of traffic filters on Cisco routers using standard and extended Access list.
• Involved in Cisco ASR9K IOS - XR upgrades to a latest version with latest protocol.
• Strong hands on experience in installing, troubleshooting and configuring of Cisco 7200, 3800, 3600, 2800, 2600, 2500and 1800 series routers and Juniper MX, EX and SRX series devices.
• Good working knowledge on LTE, WCDMA, CDMA technologies.
• In-depth knowledge and hands-on experience on IP addressing, sub netting, VLSM and ARP, ping and trace route concepts.
• Participate in IOS upgrades with TAC case and application upgrades for device hardware(Data center) and software.
• Support Engineering with evaluation and implementation on new network architecture and designs.
• Troubleshoot and Worked with securityissues related to Cisco ASA/PIX, Checkpoint, IDS/IPS and Juniper Netscreen firewalls.
• Hands on experience in working with Cisco 7K, 5K, 2K switches.
• Extensive knowledge on the implementation of Cisco ASA 5500 series firewalls.
• Worked vastly with IP multicast services like PIM, IGMP, MSDP tools.
• Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.
• Review and participate in Network changes and Change Management.
• Troubleshooting Network Signaling, H323,SIP, SIP-1, SS7 and protocol debugs.
• Installation of Avaya Communication Manager 5.2/6.0 and MG430 and MG450 in Data Centers.
• Installation and maintenance of Avaya UC/SME and Enterprises solutions availability.
• Project coordination of Avaya IP telephony and CMM.
• Monitoring and troubleshooting Cisco routers and Multilayer switches as part of associated IP network connectivity.
• Firewall technologies including general configuration, risk analysis, securitypolicy, rules creation and modification of Check Point R65, R70, R75, R77 and Cisco ASA.
• Well versed with implementing and testing routing protocols like EIGRP, OSPF, BGP and MPLS.
• Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Configured Nodes, Pools, SNAT and irules on A10 loadbalancers. Also configured VIP s and virtual servers.
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, CHAP and SNMP.
• Experience in installing and configuring DNS, DHCP, IPAM server using Infoblox.
• Experience with Change management process and Project documentation tools like Excel and VISIO.
• Understanding of JUNOS platform and worked with IOS upgrade of Juniper devices.

TECHNICAL SKILLS

LAN Technologies: VLAN, VTP, Inter-Vlan routing, STP, RSTP, PVST

WAN Technologies: PPP, ISDN, Frame Relay, MPLS, ATM, Channel & Leased lines

Network Securities: NAT/PAT, VPN, Filtering, Load Balancing, ACL

Wireless Technologies: LTE, VoLTE, UMTS, CDMA, OFDM, Aruba controllers

Protocols: TCP,IPv4, IPX, RRC, MAC, PDCP, RLC, L1 & L3

Network Managements: SNMP, SSH, Telnet, ICMP

Infrastructure services: DHCP, DNS, SNMP, POP3, FTP, TFTP, QIP, BIND

Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, IPv6

IP Telephony: VOIP, SIP, CUCM, ISDN, H323

Interfaces: S1-MME, S1-U, S6a, S11, S5/S8, Rx, Gx, S1-AP, SGs-AP

Monitoring Tools: Solarwinds, Infoblox, Wireshark, Sniffer, HPNA

OS: Windows XP/7, Linux

PROFESSIONAL EXPERIENCE

Confidential, Tysons Corner, VA

Network Engineer

Responsibilities:

• Act as an escalation point for L1 support team in resolving the escalated incidents (routing & switching issues)
• Understand IP network fundamentals.
• Knowledge in local and wide area networking communications.
• Able to utilize packet analysis tools and be proficient Confidential reading network packet streams.
• Worked with PAN migration tool to migrate from Check Point to Palo-Alto. Initially started with Like to like migration and then manually configured polices like used id, app id, URL filtering etc. to take complete advantages of PAN devices.
• Able to utilize packet analysis tools and be proficient Confidential reading network packet streams.
• Knowledge of hardware, network operating systems and troubleshooting skills.
• Work on security features like PKI, VPN and Firewalls, Switching and RoutingArchitectures in Data centers.
• Analyzing network design, architecture, protocols, topology, and configuration and provisioning platforms.
• Expertise in troubleshooting SRX series firewalls and MX series routers.
• Basic Knowledge on Palo Alto firewalls like PA500, PA3000 and PA5000 series.
• Configured TACACS, SNMP and upgraded firmware for Palo Alto devices.
• Administering and troubleshooting voice network infrastructure of Avaya SME and Enterprises solution availability switch based clients.
• Executed Avaya communications for Avaya server implementation.
• Installation of Avaya Communication manager 5.2/6.0 and MG430, MG450.
• Works on protocols such as RIPv2, OSPF, OSPF-TE, IS-IS, IS-IS-TE, BGP, MPLS and SIP.
• Involved in troubleshooting JuneOS and Cisco IOS platforms in major migration.
• Mastered in troubleshooting route maps, route redistribution and BGP.
• Assisted L2 team in resolving BGP routes during the migration from legacy network to NGNI.
• Installed, configured and troubleshoot issues on F5 LTM and GTM series like 6400, 6800, 5000 and 2000 for the corporate applications and their availability.
• Configured Nodes, Pools, SNAT and irules on F5 & A10 loadbalancers. Also configured VIP s and virtual servers.
• Worked on failover issues on F5, A10 in live environment and mitigated the impact in time.
• Work on projects/systems/issues of medium to high complexity surrounding network planning, configuration and optimization.
• Troubleshoot incident tickets for DHCP/IPAM related issues on daily basis using Infoblox.
• Configured and maintained IP addresses (DNS) for any new addition in the new network.
• Defining, tracking and maintaining the standard baselines and configuration sets of security devices and implementing industry best practices with regards to Firewall, IDS/IPS, IPsec VPN, SSL VPN.
• Configure/Enable Niksun sniffer in data center to capture traffics to troubleshoot further complex issues in Data centers
• Raise SNOW Task & Coordinate with on-site engineer to replace of faulty devices or parts.
• Install & Configure IP-Transport devices as requested.
• Configure TACACS & SNMP for all IP-Transport devices.
• Turn up of Cisco UCS server involving Cisco UCS managers.
• Manage and trouble Active Directory changes/GPO’s.
• Troubleshooting Network Signaling, SIP, SIP-1, SS7 and protocol debugs.
• Worked vastly with IP multicast services like PIM, IGMP, MSDP protocols.
• Provide Firmware upgrades for IP-Transport devices when required.
• Raise Standard/break-fix change records (RNOWs) to record all config changes.
• Work on problem management records & investigate for RCA.
• Work on MAZU, SevOne, HPNA & Stat seeker tools to troubleshoot historical issues.
• Work with Project Manager & work on activities as per schedule.
• Update network diagrams, GNI records & SSDO documentation post change implementation.
• Assist in coordinating operations and engineering teams in order to identify errors and anomalies.
• Identify and verify service impact to customers, and engage subject matter experts in support of problem resolution. Communicate with internal and customer-facing teams in support of status updates.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/ 7600/3845/3600/2800 routers, Cisco Nexus 7K/5K, 2248/3560/5020/6509 , Aruba Wireless Controllers, Arista switches, Junos, MX 480/500/960/2008 , EX 3200/4200/4550 , SRX firewalls, Palo Alto.

Confidential, Cleveland, OH

Senior Network Engineer

Responsibilities:

• Configured and installed Cisco Nexus 7K and 9K Switches (7000, 9504, 9508).
• Hands on experience on identifying, troubleshooting and resolving incidents related VLANs, STP, Routing and Packet Flow Issues.
• Identifying, troubleshooting and resolving incidents related to VLANs, access and trunk port configurations, Physical layer connectivity and virtual server connectivity.
• Participate in the development of the documentation of servers, infrastructure and practices by providing written and/or verbal communications too effectively.
• Configured and installed Checkpoint firewalls (61000 and 21400).
• Configuring and deploying Cisco LWAPP/CAPWAP access points throughout Nabors.
• Experience in configuring and troubleshooting ME 3800X and 3600X switches.
• Expertise in upgrading Cisco ASR9K IOS- XR with IP/MPLS/OSPF protocols.
• Configured T1/E1 interfaces, OC3 ports, Port Licensing, MPLS Transport profile on ME 3800X and M3600X.
• Identifying, troubleshooting and resolved issues related to Security server, and VPN.
• Network deployment, documentation and support including the following technologies - Routing (OSPF, BGP & EIGRP), multicast, switching, L2/L3 technologies.
• Implemented SNMP on Cisco routes to allow for network management in Data Centers.
• With working knowledge on Infoblox, have experience on DNS/DHCP/IPAM configuration and functionality.
• Expertise in QIP and BINDsoftwares for address management.
• Managed fiber optic cables connecting various buildings in the Internetwork.
• Worked extensively in configuring, Monitoring and Troubleshooting Check Point R77.XX securityappliance, Failover DMZ zoning & configuring VLANs / Routing / NATing with the firewalls as per the design.
• Worked and having well versed knowledge on H323, SIP VOIP technologies.
• Implement, administer and troubleshoot Avaya’s voice and data systems and solve related issues in Data Centers.
• Solved network problems related to Avaya routers and switches (ERS, VSP) on L2 and L3 levels.
• Expertise on Communications manager 5,6 and 7 (duplex, ESS, LSP) also working knowledge on Avaya MGs like G430, G450, G650, MM and E1/T1 lines.
• Good Confidential troubleshooting the availability of Unified Communication Networks.
• Support to plan and execute LAN (VLAN Management) and WAN management activity.
• Identified and resolved network operational problems, minimizing downtime & preventing future incidents. Provide Level 2 assistance to customers and staff via phone, chat and email. Providing 24/7 support to Manufacturing and Non-manufacturing environments.
• Implemented various routing protocols including EIGRP, OSPF & BGP.
• Configured route maps and route redistributors for BGP on MX 5 through MX960.
• Configured the Ether channel on the distribution switches.
• Having knowledge on HSRP/VRRP.
• Stacked 3750 series switches.
• Involved in configuringVPN Contractors,VPN end to end connectivity.
• Implemented Layer 2 security on Cisco 6500 series switches.
• Monitored the network with Network Management platforms, such as Spectrum and Cisco Works. Monitoring and responding to system and network alarms and alerts.
• Executed Network Upgrades, Replacements and Expansions. Managing, monitoring and administration of servers.
• Co-ordination with hardware vendors, software vendors and service providers. Managed logistics, tracking and parts ordering.
• Having working knowledge on UNIX.
• Documenting problem solutions, major configuration changes and system architecture changes.
• Installed, configured and have troubleshoot issues on F5 LTM and GTM series like 6400, 6800, 5000and 2000 for the corporate applications and their availability.
• Administer and troubleshoot A10 load balancers for the various applications in corporate and Data Centers.
• Configured Nodes, Pools, SNAT and irules on A10loadbalancers. Also configured VIP s and virtual servers.
• Experience in Troubleshooting the Cisco ASA Firewalls - 5505, 5506 and 5510 series.
• Understanding different types of NAT on Cisco ASA firewalls and applied them.
• Mid-level configuration and set-up of Palo Alto firewalls like PA200, PA800, PA3000 series.
• Hands on experience with CiscoASA& Juniper SRX firewalls. Installed and configured SRX firewalls (3k & 5k) and also troubleshoot issues on them.
• Responsible for check point and Cisco ASA firewall administration across global networks.
• Spearheaded meetings & discussions with team members regarding network optimization.
• Used various scanning and sniffing tools like Wire shark, Solarwinds, Netscout.
• Daily responsibilities included monitoring remote site using network management tools in Data Centers, assisted in design guidance & help LAN administrator with backbone connection and connectivity issues.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/ 7600/3845/3600/2800 routers, Cisco Nexus 7K/5K, 2248/3560/5020/6509 , Junos, F5, A10, Infoblox, Solarwinds, MX 480/500/960/2008 , EX 3200/4200/4550 , SRX firewalls.

Confidential, Irvine, CA

Responsibilities:

• Involved in configuring cisco routers and switch administration for enterprise level.
• Experience in Cisco 6509/ 3750/3550/3500/2950 switches and Cisco 7600/3845/3600/2800 routers: Physical cabling, IP addressing, WAN configurations.
• Configuration, troubleshooting and maintenance of EIGRP, BGP and OSPF network on router 7200 and 6500 MLS.
• Created LAB setup with 7k and 5K NEXUSswitches for application testing.
• Support engineering with evaluation and implementation on new network architecture designs.
• Participate in Network component redundancy and failover testing.
• Involved in troubleshooting IP addressing issues and updating IOS image using TAC case&TFTP.
• Maintenance and troubleshooting of connectivity problems using Ping, Traceroute.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and BGP.
• Responsible for design and implementation/migration from Cisco wireless platform to Aruba wireless platform.
• Exposure in deploying high-end Network Converging System (NCS) and carrier-grade routers such as CRS, 12000 series.
• Gained experience in creating DNS architecture and DNS solutions for applications.
• Worked extensively in troubleshooting DNS/DHCP related issues using Infoblox.
• Involved in major troubleshooting instances of NCS/CRS for the efficient functioning.
• Configuring VPN, clustering and ISP redundancy in Check Point Firewall.
• Installed and Configured OSPF, BGP, MPLS.
• Experience in troubleshooting VLAN, STP, switch trunk and IP subnet issues.
• Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
• Escalate and follow-up with vendors on problems in network elements.
• Performed and presented network analysis as a part of network migration. Involved in knowledge transfer to vendors and provided them network support as required.
• Support NOC in troubleshooting Network Signaling, ISDN issues, outages and protocol debugs.
• Experience in Configuring the Cisco ASA Firewalls - 5505, 5506 and 5510 series.
• Experience in Troubleshooting the Juniper SRX Firewalls - 210, 240, 340 and 550 series.
• Installed, configured and troubleshoot issues on F5 LTM and GTM series like 6400, 6800, 5000 and 2000 for the corporate applications and their availability.
• Configured Nodes, Pools, SNAT and irules on F5 & A10loadbalancers. Also configured VIP s and virtual servers.
• Worked on failover issues in live environment and mitigated the impact in time.

Environment: Nexus, Juniper, EIGRP, OSPF, BGP, Ether Channels, Cisco 7200/3845/3600/2800 routers, Cisco 6509/ 3750/3550/3500/2950 switches, WAN.

Confidential, Plano, TX

Associate Network Engineer

Responsibilities:

• Configure the access policies and VPN policies in checkpoint firewall.
• Experience in Cisco IDS/IPS, Cisco PIX … ASA 5520, 5540, 5550, Checkpoint NGX R65, R70, R75, R77 Gaia, VSX, Provider-1/MDM/MDS, SPLAT, Snort IDS, Syslog analysis and Windows/Linux/Unix securityconfigurations.
• Implementing and Troubleshooting VLANS, Trunks, VTP & STP.
• Coordinated with the offshore team regarding any troubleshooting issues within the team.
• Coordinating with Local (sify and Confidential ) and Global ISPs (CNW and TATA) to trouble shoot routing issues.
• Trunking, VTP, Layer 2/3 switching, Ether channels, Inter-VLAN routing, log messages, high CPU utilization and parameters that can degrade performance of network.
• Configured VLANS on multiple catalyst switches performed troubleshooting on TCP/IP network problems, Administered Frame-Relay and networks.
• Manage deployment and testing of code updates for wireless systems, such as Aruba ClearPass, Aruba 7210 Controllers, and Aruba Airwave.
• Provided technical support and problem resolution for the LAN and its environment by analyzing the problem, identifying the cause and circumstances of the problems and finding a solution to the identified problem.
• Installed, configured (through CLI & SDM) and managed CISCO routers and Catalyst switches.
• Set up Internet, implementing Networking products like Servers, Proxy servers, Switches, Routers.
• Taking configuration backups of all the Routers and Switches on monthly basis.
• Providing node up time reports to customer on monthly basis.
• Coordination of Engineers Confidential various located across the world.
• Providing 24x7 supports.

Confidential, Richardson, TX

Network Administrator

Responsibilities:

• Administration of more than 100 systems Confidential different locations.
• Involved in configuring Cisco routers and switch administration, familiar with enterprise level Cisco Routers such as 7200, 3800, 3700, 2800series, and Cisco catalyst series switches like 6500, 3750, and 4500.
• Assisted in troubleshooting LAN connectivity and hardware issues in the network with the offshore team.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TAC case &TFTP.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Configure and install Aruba wireless controllers 7210 and access points
• Design, configuration and installation of LAN and WAN networks.
• Performed RIP & OSPF routing protocol administration.
• Analyze and resolve Customer/Partner issues and document problem root cause.
• Review and participate in Network changes and change management.
• Managed the IP address space using subnets and variable length subnet masks (VLSM).
• Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & help LAN administrator with backbone connection and connectivity issues.
• Good knowledge on signaling protocols like H323, SIP, SS7 (ISUP & MAP).
• Used various scanning and sniffing tools like Wire-shark
• Hands on Experience working with security issue like applying ACL’s, configuring NAT and VPN.
• Documenting and Log analyzing the Cisco PIX series firewall
• Implementing new software builds and analyzing the logs.
• Evaluated network issues related to throughput, Events and Coverage.

Environment: Nexus, Juniper, EIGRP, OSPF, BGP Ether Channels, Cisco 7200/3845/3600/2800 routers, Wire-shark, VLSM, WAN.

Confidential

Network Support Engineer

Responsibilities:

• Involved in basic configuration of cisco routers and switch administration and familiar with enterprise level Cisco routers and switches.
• Monitoring Network infrastructure using SNMP tools like HP Open view.
• Worked on HSRP for hop redundancy and load balancing.
• Responsible for basic troubleshooting issues and network configurations within the network.
• Good knowledge on basic switching and protocols used in configuring it
• Maintenance and troubleshooting of connectivity problems using ping and trace route.
• Understand the flow of traffic through the Check Poins securityGateway cluster and troubleshoot connectivity issues using advanced troubleshooting from Command Line Utilities.
• Managing and configuring switches and LAN networks independently.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations.
• 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
• Installing OS and troubleshooting system related issues within the company network.
• Expertise with basic wireless concepts which helped to manage troubleshooting.
• Configured FTP server for inside/outside users & vendors.