SUMMARY:

• Cisco certified network engineer with hands on experience in routing, switching and load balancing
• Experienced in Designing, Implementing and troubleshooting various Network Technologies
• Provided scalable, supportable TCP/IP security solutions along with expert TCP/IP network designs that enable business functionality
• Hands - on experience, specializing in Cisco Environment in Data Center, systems, network and user administration, LAN / WAN and Security
• Administration, engineering, and support for various technologies including proficiency in LAN/WAN, routing, switching, security, application load balancing, and wireless
• Experienced in installation, configuration, design and ongoing maintenance of Cisco router and switches
• Worked on Cisco Catalyst Switches 6500/4500/3500 series And Experienced in Network LAN/WAN deployment
• Network Administration, monitoring networks for vulnerabilities or intrusions.
• Extensive understanding of networking concepts, (IE. Configuration of networks, router configuration and wireless security, TCP/IP, VPN, Content Filtering, VLANs, and routing in LAN/WAN, Ethernet Port, Patch Panel and wireless networks.)
• Experienced with Network Redesign for Company Campus Locations and Moving from 6500 based Data Center to Nexus based Data Center
• Built LAN/WAN TCP/IP network comprised of Cisco Switches (6500, 6509, 7613, 3550, 4900, 2960, 2950, 2900XL), Nexus 2k, 5k, 7k
• Management and Monitoring by use of SSH, Syslog, SNMP
• Installation, configuration and troubleshooting of DNS and DHCP servers
• Hands on experience in implementation of Router Redundancy Protocols like HSRP, VRRP and High proficiency in implementation of routing protocols EIGRP, OSPF and BGP
• Configured IP addresses and subnet masks on workstations
• Configured Cisco routers and switches to hosts or servers Configured mail exchange servers, and other servers on Microsoft Outlook, and Mozilla Setup email on mobile phones and email exchange servers such as POP, POP3, IMAP, and SMTP
• A broad understanding of computer hardware and software, including things such as installation configuration, management, troubleshooting, and support
• Coordinated with network operations center (NOC) for change notifications, alerts and escalation of security incidents
• Knowledge with Cisco Call Manager, Unified Communications
• Proficient in installing and configuring Windows Server 2003, 2008, 2012 and Windows XP, 7 & 8 Professional Client Operating Systems and Experienced in Microsoft Office Suite, Visio and Outlook.

TECHNICAL SKILLS:

Routers: Cisco 2600, 2800, 3700, 3800, 3900, 7200, 7600 series, ASR9k, Juniper mx 960

Switches: Cisco 3550, 3750, 4500, 6500 series & nexus 7k, 5k, 2k, 1000v, 1010

Load Balancer: LTM, GTM, ASM, F5 Networks (Big-IP) And Citrix Load Balancing Devices

WAN Optimization: Cisco WAAS, PPP Multilink, Riverbed

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

Switching: VLAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switching, Multicast Operations, Layer 3 Switches, Ether channels, Transparent Bridging

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI, CDDI, Token Ring, ATM LAN, Emulation

WAN: Leased lines 64k - 155Mb (PPP / HDLC), Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay, ISDN, MPLS, Riverbed, DMVPN

IP Telephony: VOIP, T1/T3, ISDN, PRI, Unified Call Manager

Wireless: Cisco 4400 Wireless Controller (WLC) and 1100, 1200 series Access Points

Firewalls: Cisco PIX, ASA, Juniper Net screen, Palo Alto, SRX

Features & Services: IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Network Monitor Tool: MRTG, Netbrain & Solarwinds & Cisco Prime Infrastructure, Wireshark

Operating System: DOS, Windows (95, 98, NT/2000, XP, Vista/7/8/10), Cisco IOS, Pan-OS

PROFESSIONAL EXPERIENCE:

Confidential, New York, NY

Network Engineer

RESPONSIBILITIES:

• Configured datacenter technologies like VPC, VDC on Nexus 7010 Core Switches.
• Configured Layer 2 & Layer 3 interfaces and port channels on Nexus
• Knowledge of F5 Best Practices used iHealth, SSL offloading, Route Domains, GTM Sync Group.
• Providing Technical Support and solutions for Network Problems
• Installed, configured and set security policies on cisco and checkpoint firewalls, VPN
• Provided escalated IT support including hardware troubleshooting, backup and recovery, email communication and application support
• Design and configuring of OSPF, BGP on cisco routers
• Experience in Cisco switches and routers: IP addressing, LAN configurations.
• LAN cabling in compliance with CAT6 standards; Installing new hardware and swap out hardware physically.
• Provided technical support for full setup, debugged the problems of OSPF, switching and HSRP.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Escalation of procedures and customer notifications.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Worked on Physical site; latency and slowness issues in transmitting results within internal quest network.
• Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre-configuration of network equipment, testing, and maintenance) in both Campus and Branch networks.
• Experience setting up 802.1x wired and wireless networks.

Environment: Cisco switches - 2948/3560/4500/3560/ 3750/3550/3500/2960 6500 and Cisco routers -

1200/3640/7200/3845/3600/2800, Cisco Nexus 7K/5K, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP

Confidential, Los Angeles, CA

Network Engineer

RESPONSIBILITIES:

• Involved in Network support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
• Configured and maintained OSPF protocol which included deployment of new locations in the existing infrastructure created Stub/areas and configured summarization for effective routing.
• Experience with moving datacenter from one location to another location, from ASR1006 to Nexus 7010.
• Configured and installed Voip CUCM and cisco unity system, prepared network assessment for testing utilization for Voip traffic and deployment and trained the user with more value-added services.
• Participating in the design and planning aspects of the network infrastructure that is installed in the new building and testing of the internal network infrastructure in the new building and troubleshooting and remediating any issues.
• Responsible for performing the functional testing and bug verification of L3 protocols using cisco routers.
• Worked on different monitoring tools like what’s up gold, stat seeker, Net brain.
• Configured and installed switches like 3850, 4510 and installing at wan sites as per the customer requirement.
• Configuration and installation of LAN switches and wireless network infrastructure equipment and cabling all uplink and user network connections.
• Worked on ONS DWDM 15414 ring 1 and ring2.
• Hands on experience on Infoblox to assign IP blocks
• Heat mapping and Provisioning aruba devices
• AirMagnent & Aruba Airwave Setup, Maintenance & Troubleshooting
• Deployed Cisco Catalyst 7509, 6500, 4500, 4000, 3750, 3850, 3560 (Layer 2 through 7).
• Deployed Cisco 2500 and 5800 Series Wireless Controllers and Access Points.
• Experience in working with LTM and GTM for scaling and securing DNS infrastructure during high volumes.
• Knowledge of with API’s for troubleshooting Network issues using Wireshark.
• Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server.
• Worked with Infoblox for secure DNS, DHCP and IPAM
• In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems.

Environment: Cisco catalyst (9300, Cisco 3850, 4510), Nexus (7010), DWDM (ONS 15414) Routing protocols (OSPF, BGP), Switching protocols (VTP, STP)

Confidential

Senior Network Engineer

RESPONSIBILITIES:

• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
• Experience with moving datacenter from one location to another location, from 6500 based Datacenter to Nexus.
• Configured networks using routing protocols such as OSPF, BGP and manipulated routing updates using route-map distribute list and administrative distance for on-demand Infrastructure.
• Coordinated with LAN/WAN engineers the development and implements security policy.
• Configured TCP/IP addressing scheme to assigned IP blocks.
• Part of a team working in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trucking, STP, Inter-VLAN routing, LAN security.
• Prepared documentation for various VLANS and Voice sub networks and worked on Visio for the same.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trucking, STP, RSTP, port aggregation & link negotiation.
• Performed network monitoring, providing analysis using various tools like Wireshark, Solar winds etc.
• Responsible Supporting EIGRP and BGP based network by resolving level 2 &3 problems of internal teams & external customers of all locations.

Environment: Cisco switches, Nexus (2148,5000, 7010), Routing protocols (EIGRP, BGP), Switching protocols (VTP, STP), Nexus Load balancers 4800v, OSPF, EIGRP, BGP, MPLS.

Confidential, Columbus, OH

Network Engineer

RESPONSIBILITIES:

• Configured Nexus 7010 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus Version, Nexus VPC peer links.
• Configured Networks using routing protocols such as OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance.
• Troubleshoot issues with Wireless Access points (Cisco 3502) and configure SSID’s on 4506 Wireless LAN Controllers.
• Resolved various trouble tickets related to routing (BGP, EIGRP, Static Routes, prefix-list, route-map, distribute-list, route-redistribution), switching (VLAN, port security, trunking, STP, VPC, HSRP, FEX)
• Worked with Nagios for monitoring of network services (SMTP, POP3, HTTP, NNTP, ICMP, SNMP, FTP, SSH)
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network.
• Performed maintenance and troubleshooting of connectivity problems using PING, and Trace route.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients via Infoblox IPAM.
• Configured and maintained OSPF protocol which included deployment of new locations in the existing infrastructure created Stub/areas and configured summarization for effective routing.
• Gained experience in troubleshooting Cisco IP phone.
• Configured and installed Wireless Access Points at different company’s location and managed them through Wireless LAN Controller (Cisco).
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Installed, configured and set security policies on cisco and VPNS.

Environment: OSPF, EIGRP, BGP, LAN, WAN, MPLS, Nexus 2K,5K,7K, Cisco VPN Cisco switches (7600, 7200, 3800 series, Nexus 7010), Cisco routers (2950, 3500, 5000, 6500 Series)

Confidential

Network Engineer

RESPONSIBILITIES:

• Responsible for implementing, supporting, and maintaining 24x7 network services.
• Coordinated efforts with Engineer’s to ensure all network devices conformed to defined network standards.
• Configured various Routing protocols such as, OSPF, EIGRP, static routing.
• Provided configuration of STP and Port Security on Catalyst 6500 switches.
• Worked on Fiber channel over Ethernet (FCOE) for connecting 10gigabit Ethernet networks.
• Maintaining Core Switches, creating VLANs and configuring VTP.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Executed BPDU Guard, port-fast, uplink fast and other spanning tree features on various layer 2 and layer 3 switches.
• In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Worked with other team members in testing of the network architecture.
• Participated in quality system implementation project.
• Configure wireless routers on enterprise network.

Environment: Cisco 3550/4500/6500 switches and Cisco 2800/2900/3900/7200/7600 routers, WAN, LAN, OSPF, BGP, EIGRP.

Confidential, Arlington - VA

Network Engineer

Responsibilities:

• Configured networks using routing protocols such as OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
• Configures Cisco 1231 Access points with 5959 and 4941 antennas (802.11/a/g).
• Implemented HSRP and various OSPF scenarios on networks consisting of 7600 routers.
• Configured policy-based routing for BGP for complex network systems.
• Extensively worked on Nexus 5k and 7K, configured and troubleshooted.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Implementing NAT solutions on wan applications
• Responsible for day to day management of Cisco Devices, Traffic management and monitoring.
• Migration from Cisco to Palo Alto firewall.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000 /7200/3845/3600/2800 routers, Cisco Nexus7K/5K, 2248 / 3560 / 5020 / 6509, VPN, EIGRP, BGP, OSPF, Cisco wireless.

Confidential

Network Engineer

Responsibilities:

• Worked on Cisco 2500, 2600, 2800 series routers and 1900, 2900 series switches
• Replaced outdated Cisco switches and routers in existing Data center and installed new Cisco switches and routers including migration of 2500 to 2600 series router
• Designed the IP addressing scheme using VLSM and configured IP addressing Performed activities such as initial user account creation, established LAN connectivity, file and resource sharing management, internet connectivity, FAX and email service setup
• Expanded LAN to accommodate 200 plus users. Coordinated installation and repair work. Diagnosed and corrected client’s network related issues
• Installed and configured LAN/WAN as per organizational / client requirements, governed by communication protocols
• Performed tasks that include Configuring and constant administration of Static routing, Default Routing & dynamic Routing Protocols like OSPF & EIGRP.
• Implemented dedicated VLAN ID for all trunk ports, set user ports to non-trunking, and deployed port security when possible for user ports for layer 2 security
• Worked to set up the TFTP server for backing up the IOS images and configuration files of Cisco Routers and Switches and troubleshooting the file servers.
• Performed network evaluations, troubleshooting a variety of network problems, and implementing various software and hardware upgrades efficient performance.

Environment: Cisco routers, switches, ASA Firewalls, OSPF, EIGRP routing protocols, VLANS, Cisco work, WAP.