Summary

• Strong hands on experience of over 7 Years in installing, configuring , and troubleshooting Cisco hardware including 7600, 7200, 3800, 3600, 2800 & 2600 series Routers. Nexus 7010 and 7009. Cisco Catalyst switches 6500, 4500, 4900 & 3750.
• Extensive experience in configuring and troubleshooting of routing protocols RIP, EIGRP, OSPF and BGP.
• Worked on networks with WAN protocols such as MPLS, HDLC, PPP & Frame Relay.
• Switching tasks include VDC, vPC, VTP, ISL/ 802.1q, VLAN, Ether Channel, LACP, STP and RSTP.
• VPN technologies like IPSec and SSL.
• Experience in configuring Site-to-site and remote access VPN solutions.
• Worked on Gateway Redundancy protocols like HSRP & GLBP.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.
• Experience in installing and configuring DHCP services using Cisco Devices.
• Experience testing Cisco routers and switches in laboratory scenarios and then deploy them on site for production.
• In depth understanding of IPV4, TCP & UDP.
• Provides technical leadership forproblem escalation and resolution.
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.

Professional Experience

Confidential, Atlanta, GA March 2012 – Present Job profile:
Working as Network Architect for Confidential as part of HCL America. Responsibilities:

• Designed new Network Implementation with the core switch and Aggregation Switch as Nexus 7010.
• Has Performed Due diligence and prepared network documentation to implement Network Migration.
• Worked on various Nexus Products Nexus 7010, Nexus 7009, Nexus 2248.
• Created VDC’s and vPC’s and ensure that those vPC’s are formed between VDC’s.
• Created vPC’s between downstream devices between core and Aggregation Switches and between Aggregation and Fabric Interconnect.
• Worked on Port Groups on M Series Module and F Series Module for Nexus 7010 and Nexus 7009.
• Worked on troubleshooting the connectivity to servers with fabric extenders.
• Implemented L3 SVI’s and L2 vlans, Inter Vlan Routing and HSRP configuration in Nexus.
• Upgraded Nexus OS 5.3 to 6.0(3).
• Coordinating with service providers for WAN link termination on the DC.
• Worked on presenting HLD and LLD documents to the customer.
• Has knowledge on configuring Service Class Policies on Branch Repeater in the design.
• Implemented EIGRP internally between VDC’s and externally Between Nexus and Service Provider Routers.
• Worked in Assigning new IP Schema in the New DC build.
• Working in Establishing a Layer3 Connectivity between DC’s by changing the IP Schema.
• Worked in due diligence to help migrate servers from pune to Atlanta.
• Created HSRP between Switches with various priorities.
• Worked on Nortel switches while performing due diligence and Enabled span ports to verify the port level communication between various devices for ADM Tool.
• Performed Port channeling and LACP between downstream devices for vPC configuration.
• Designed the uplinks and downlinks to maintain the stability in the Network Architect.
• Configured 2911 Terminal Server for out of band management with MENU commands.
• Performed SNMP Configuration, Port mirroring, in Nortel Switches.

Confidential, New York, NY November 2009 – March 2012 Job profile:
Worked as Network Operations Engineer as part of the Global Network Support teamResponsibilities:

• Designed and installed new Branch network systems. Resolved network issues, ran test scripts and prepared network documentation.
• Ensure problems are satisfactorily resolved in a timely manner with focus on providing a high level of support for all customers.
• Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
• Coordinating with service providers for WAN link outages.
• Checking and configuring Cisco 7613 routers at data center for remote sites’ issues.
• Working on Cisco 6509 and 4507 series switches for LAN requirements, that includes managing VLANs, Port Security and troubleshooting LAN issues
• Involved in troubleshooting of DHCP and other IP conflict problems.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Configuration of Access List ACL (Std, Ext, Named) to allow users all over the company to access different applications and blocking others.
• Configured Load Balancer viz. F5 LTM
• Configured Firewall cisco ASA 5510
• Responsibilities also include technical documentation of all upgrades done
• Attending meetings and technical discussions related to current project.

• Migration of RIP V2 to OSPF, BGP routing protocols.
• Configured EIGRP for Lab Environment.
• Implemented ISL and 802.1Q for communicating through VTP.
• Working with Client teams to find out requirements for their Network Requirements.
• Designing solutions for frozen requirements using Cisco Routers and Switches.
• Deploying the network infrastructure to meet the requirements
• Created VLAN and Inter-Vlan routing with Multilayer Switching.
• Providing technical consultancy for better application response using QoS
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP, OSPF, BGP EIGRP routing protocol administration.
• Installed wireless access points (WAP) at various locations in the company.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Worked on CUCM(Call Manager).

• Maintenance, Optimization, and Support of Hines Global Network which comprises over 120 Sites globally. The WAN Core includes Cisco 7204, Cisco 3662, and Cisco 3640 routers. Regional field locations have Cisco 3640s, and sites in those regions use Cisco 2611s. The entire Global WAN is comprised of Site-to-Site VPN with core data centers in Houston, Dallas, and London. All data connections are ISP connections at 128k ISDN, 384k DSL, and Frac-T1/Full-T1.
• Planned, Implemented, and optimized network operations monitoring, optimization, and management tools such as Cisco Works, Cisco Secure ACS, What\'s Up Gold, and Solar Winds Internetwork Performance monitor.
• Performed IOS and Hardware upgrades on Core routers and field routers.
• Provided interim solution to emergency connectivity needs at sites that are scheduled to encounter a circuit cut due to provider filing bankruptcy.
• Designed and implemented Router and switch fail-over redundancy in Dallas Collocation facility. Assisted in migration of exchange environment to Dallas collocation facility.
• Created, coordinated, and implemented project plans for network changes.
• Assisted in a consultative capacity in all change control meetings, and selecting new Global Internet Access Provider.

EducationBachelor of Engineering in Electrical & Electronics Engineering