SUMMARY:

• 10+ years of IT experience of Migration, Installation, Administration, Planning, Implementation and Designing of various computer network architecture and telecommunication systems
• Proficient hands on experience in configuring Cisco Catalyst 2900,2960, 3560, 3750, 4500, 4900, 6500series and Nexus 1000v, 3K, 5K, 7K and 9K switches.
• Extensive work experiences on Cisco Routers, Cisco Switches and Cisco Firewall.
• Worked and deployed VPC, VDC, Fabric path On teh Nexus switches and successfully implemented VSS on teh Cisco catalyst switches.
• Expertise in configuration & troubleshooting of routing protocols and deployment of OSPF, EIGRP, BGP, RIP, MPLS, IP Multicast and Policy routing over Cisco Routers.
• Experience in skillful deployment of Layer - 2 technologies like VLANS, VTP, STP, RSTP, Inter-VLAN routing, VLAN Trunking, Ether Channels, VLAN access-maps and port security.
• Experience wif working on latest cisco switches like Nexus 1K, 3K, 5K,7K and 9K series switches while implementing advanced features like VDC, VPC, OTV and Fabric Path.
• Expertise in configuring of SSH, TFTP, FTP, DNS, DHCP and Syslog.
• Knowledge gained by working on Cisco firewall technologies like ASA 5520, AAA wif cisco ACS.
• Experienced in configuring and implementing load balancers like F5 BIG-IP LTM 3900 and 6500.
• Worked on T1/E1/T3 technologies and different LAN & WAN technologies.
• Possess strong network troubleshooting, interpersonal and communication skills.

TECHNICAL SKILLS:

Cisco Routers: Cisco 1800, 2500, 2600, 2800, 3600, 3725, 3800, 7200 ASR 1K and 9K.

Cisco Switches: Cisco Catalyst 2960, 3560, 3750, 4500, 6500 & Nexus 1K, 2K, 5K, 7Kand 9K.

Routing Protocols: OSPF, EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution, Summarization, Static routing

Switching Protocols: VLANs, Dot1Q, VTP, STP, RSTP, VLAN Maps, HSRP, GLBP, CEF, Port Security, NexusOTV and Fabric path.

LAN/WAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, VLAN, Inter-VLAN Routing, STP, Frame relay, HDLC, PPP, T1, T3, OC Standard, DSL, ISDN

Protocols: IP, TCP, UDP, ICMP, NAT, DHCP, SNMP, IPSEC, SSL, HTTP, SSH

Firewalls & Load Balancers: Cisco ASA 5500 series, UCS 5000 series, IPSEC and SSL VPN, HTTP, IPS/IDS, IOS Firewall features, Checkpoint, DMZ set up, F-5 LTM. AAA Architecture: TACACS+, RADIUS

Configuration Tools: CA Spectrum, Wireshark, GNS3, Tera Term and Putty

Operating Systems: Windows (7/8.1/10), Window 2003/2008, UCSM, VMware vSphere

Other Tools: Oracle VM VirtualBox, VM Workstation, Team Viewer

PROFESSIONAL EXPERIENCE:

Confidential, GA

Network and Server administrator

Responsibilities:

• Successfully Deployed Severs, Cisco Switches and Cisco Routers at Comcast datacenter.
• Strong Hands on experience of managing and troubleshooting Cisco ASR 9K, 7600 Routers, Cisco 4510, 4500-X, 4948, 3560 X, 3750X and 2960S Switches, Nexus 9k, 7k, 5k and 3k switches, Load Balancers and Cisco Firewalls for deployment on network.
• Deployed Layer-2 technologies like VLANS, VTP, STP, RSTP, Inter-VLAN routing, VLAN trunking, Ether Channels, VLAN access-maps, transport and remote services and port security.
• Configuration, Operation and Troubleshooting of BGP, OSPF, EIGRP, RIP, VPN routing protocol in Cisco Routers, L2 and L3 Switches.
• Configured and Troubleshooting on OSPF on teh Core Switches and Cisco Routers.
• Involved in project for migration of VLANS & Configured VLANs wif 802.1q tagging, Ether channels, and Spanning tree for creating Access/distribution and core layer switching.
• Deploy new POD when gets teh request for large no of sever deployment.
• Devices worked on includes, Catalyst 3750, 4800, nexus 6001, 6004 ASR 9k, Arista 7280, Arista 7010.
• Layer 2 switching technology architecture, implementation and operations including L2 and L3 switching and related functionality. This includes teh use of VLANS, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external configuration and security.
• Works on teh Leaf and spine architecture.
• Solved tickets dat include troubleshooting network issues, DHCP request fails, Issue related to IP not reachable. Layer 2 issues.
• Successfully configured requests for new resource allocations assigning new IPs, ports and subnets etc.
• Worked on decommission of servers and switches and migration of switches from one spine to another.
• Upgraded bandwidth of uplinks by adding additional links to existing links.
• Serve as part of a team of network engineers responsible for base wide network upgrade from Cisco Layer 3 Catalyst switches, routers, load balancers and firewall.
• Configured teh Cisco ASR to use teh VRF routing functions to completely split teh traffic through teh network. Also responsible for Cisco ASA firewall administration across our global networks Deployment of IPSLA devices throughout teh datacenter.
• Worked wif engineering team to resolve tickets and troubleshoot L3/L2 problems efficiently.

Environment: Microsoft SharePoint Server 2010, Microsoft FAST Search Server 2010 for SharePoint, SQL Server 2008 R2, Team Foundation server 2010, C#.Net, VMware Workstation, PowerShell 2.0, Windows Server 2012 r2 and 2008 R2, Active Directory, O365, ASP.NET and HTML. Nexus 7k. Catalyst 3750X. ASR 1000 series routers, 7200 series and ISR routers 2800.F5 LTM, Bluecoat

Confidential, Atlanta, GA

Sr. Network Support engineer

Responsibilities:

• Responsible for teh installation, configuration, and integration of Vblock systems.
• Configured HSRP, VPC and VLAN trunking, VLAN routing on Nexus 9k, 7k, 5k, 3k and Catalyst 6500 Switches.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as Port Security, VLAN, Trunks, VTP, Ether channel, STP, RSTP.
• Involved in migration projects, which involves replacing legacy devices to new Nexus devices and introduced VPCs in teh new architecture.
• Implement and Troubleshooting issues including but not limited to Series Routers, ISR and ASR routers (1Ks, 9Ks) Series Switches, Cisco Nexus 5000 and 7000 Series Switches and Nexus fabric extenders, Cisco UCS technologies, Cisco VSS/VPC, fabric path, OTV, VPLS technologies, WLAN controllers.
• Factory logical configuration and integration of Vblock networking components into customer environment.
• Installation of Vblock systems on-site at customer locations.
• Configuration of Vblock networking components, including but not limited to Cisco Nexus 5k, Nexus 9K, Nexus 3K, Nexus 1000V, 3750, 3560, and UCS.
• Performed Comprehensive backup and testing of all installed Vblock components.
• In-depth Knowledge Transfer of Vblock Systems to customers.
• Hardware, software and firmware upgrades of Vblock systems and components.
• Preparation and completion of required pre and post deployment documentation.
• Mentoring of VCE partners in Vblock technology and deployment.
• Implementing, administrating and troubleshooting common TCP/IP based services, including NTP, DNS, SSL, SSH, services, etc.
• Serve as subject matter expert for assigned customer accounts and take ownership of complex customer issues.
• Provide ongoing recommendations for continual service improvement for customer Networks and Systems.

Environment: Cisco 2600, 6500 series routers, Microsoft Windows Server, UNIX, PIX Firewalls, CSM, CSS, ACE and Cisco CNR

Confidential, Savanah, GA

Network Support engineer

Responsibilities:

• In teh process of Data center fabric migration, performed migration from legacy Catalyst 6513 Switches to Nexus 7010 switches adhering to ITIL change Management Procedure.
• Configured and maintained VPCs wif Nexus 3K and 5K in teh network. Also configured and maintained VDCs in 7010 switches, maintained VRFs in those separate VDCs.
• Configured and Maintained Cisco UCS 5000 series blade server and Monitored resources on UCS manager.
• Worked wif Sup 2E for 7010 switch, F cards for L2 switching and few M cards for L3 proxy routing purposes for F cards.
• Used Fabric Extenders like 2248TP GE series for teh top of teh rack solution and used 5548P for teh end of teh row solution.
• Scheduled maintenance of Nexus (5548, and 7010) switches so dat their are no Orphan ports in teh network, and all Users to be dual homed, so dat they has sufficient redundancy.
• Worked on OTV to extend L2 VLANs between data centers over IP on Nexus 7010 switches.
• Worked on 3600, 7200, 7600 series Cisco routers.
• Configured and maintained EIGRP, OSPF and BGP on Cisco Routers.
• Maintained TACACS+ and RADIUS servers for AAA authentication and user authentication.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Used Cisco ASA 5520 firewall for Enterprise security, configured ACL’s for Internet requests to Server Farm in LAN and DMZ.
• Provided VPN services to site-to-site and, Remote access VPNs using IPsec and GRE tunneling mechanisms. Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security.
• Configured policy statements, and routing instances.
• Performed Network Security Assessment and implemented security features such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication.
• Maintained F5 for providing application redundancy, load balancing and policies.
• Used internal network monitoring tools to ensure network connectivity and Protocol analysis tools to assess teh network issues causing service disruption.

Environment: Cisco 2600, 6500 series routers, Microsoft Windows Server, UNIX, PIX Firewalls, NetInfo, Infoman, Virtual change and Putty

Confidential, CA

Network Support engineer

Responsibilities:

• Installed, Configured and maintained 2921, 3600, 7613 Cisco Routers and 3750, 4500 and 6500 series Cisco Switches.
• Performed VSS on cisco catalyst 6500 series switches and also involved in teh activity of migrating servers to 6500 platform wifout any application outage.
• Configured and managed Cisco access layer routers and switches & carried out route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance, and offset-lists.
• Configured routing protocols like EIGRP, OSPF & BGP and troubleshooting layer3 issues.
• Learned and Tested various BGP attributes like local p, MED, Weight and replicated customer issues in teh testing environment lab.
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Implemented port aggregation & link negotiation using LACP and PAGP.
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on teh switched network.
• Configured and deployed BIG-IP LTM for providing application redundancy and load balancing.
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
• Troubleshot issues and outages on Trunks and Router interfaces and firewalls extensively.
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
• Provided technical assistance for LAN/WAN management & troubleshooting and complex customer issues using Network monitoring tool’s such as Wire shark.

Environment: HP OpenView, Visio 2006,Windows Server, Active Directory, UNIX, Cisco 2600,6500 series Routers, PIX Firewalls, Cisco call manager, Sniffer, DNS/BIND and NOC

Confidential

Network Support engineer

Responsibilities:

• Documented teh company’s design, implementation and troubleshooting procedures.
• Performed routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.
• Got Hands-on experience in maintaining and troubleshooting RIP, OSPF and EIGRP routing protocols.
• Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers.
• Implemented VTP and Trunking protocols (802.1q and ISL) on 2900 and 2940series Cisco Catalyst switches.
• Performed IOS upgrades on 2900 series Cisco Catalyst switches and 1800, 2600, 3600 series Cisco routers using TFTP.
• Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP).
• Configured Access List (Standard, Extended, and Named) to allow users all over teh company to access different applications and blocking others.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Performed scheduled Virus checks and updates on all servers and desktops.
• Worked on network-based IT systems such as Racking, Stacking and Cabling.

Environment: Windows 2003/2008 Server, MOSS 2007, Microsoft SharePoint 2010, IIS, DNS, AD, Microsoft SharePoint designer, Microsoft Visual Studio 2003, 2007, Windows XP/2003/Vista. Cisco 7200 series and 12000.