PROFESSIONAL SUMMARY:

• 7+ years of IT experience in design, development, implementation, troubleshooting and maintenance of complex Network devices.
• In - depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• Good knowledge of IP Addressing, Subnetting, VLSM, ARP, OSI and TCP/IP models.
• Experienced in trouble-shooting both, connectivity issues and hardware problems on Cisco based networks.
• Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NATing, sub-netting, also including DNS, WINS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RSTP & Multicasting protocols.
• Experience in installing, configuring and troubleshooting Cisco 3800, 3600, 2800, and 2600, 1800 series Router and Cisco 2900, 3500, 4500,5500,6500, Nexus 5K’s, Nexus 7K’s series switches.
• Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700 series, 6500 series).
• Expertise in installing, configuring, and troubleshooting of Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800).
• Having good experience in layer-3 Routing and layer-2 Switching, And Nexus models like 9K,7K,5K, 2K series.
• Good Knowledge in Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches
• Moderate knowledge in configuring and troubleshooting Cisco Wireless networks; LWAPP, WLC, roaming, wireless security basis, IEEE 802.11a/b/g, RF spectrum characteristics.
• Expertise in Configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter-VLAN routing and VLAN Trunking using 802.1Q.
• Proficiently implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
• Hands-on Experience with CISCO Nexus 7000, Nexus 5000, and Nexus 2000 platforms.
• Good knowledge of CISCO NEXUS data center infrastructure with 5000 and 7000 series switches (5548, 7010), including CISCO NEXUS Fabric Extender (223, 2248).
• Implemented, Configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).
• Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup.
• Redistribution of OSPF and EIGRP into BGP with the correct tagging parameters from the old legacy network to route and to utilize the correct MPLS VRF VPN's provided from the bearers.
• Implementing 3750 Stackable switches using Cisco Stack-wise technology. Experience to review and evaluate current and future design issues as required maintaining network integrity, efficient data flow.
• Configuration & management of the changes, additions and deletions from the network and administered via direct Interface or on command line Interface (CLI)to the device.
• Advanced knowledge of OSI model, TCP/IP, Internet technologies, network architecture and Cisco network routing / switching (Layer 2 and 3) experience, including LAN and WAN, design and implementation which includes Layer 1 to Layer 7 experience
• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT and associates network protocols and services.
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
• In-depth knowledge of the technical implementation of Change Management, Incident Management, Problem Management, Service Catalog, Configuration Management, Reporting, Discovery and Integrations.
• Working knowledge on configuring access lists. Troubleshooting DNS/DHCP issues within the LAN network.
• Expertise in IP sub-netting and worked on designing and allocating various classes of IP address to the domain.
• Good experience of OSI model, TCP/IP networking standards and with protocols like SNMP, IPv6.
• Expert in performing deep packet analysis to troubleshoot network and application issues using Wireshark.
• Experience with design and implementation of Data center migration and ACI.
• Outstanding experience in designing and configuring of Layer 2/3 networking features such as VLAN, STP, VTP, 802.1X, Port Security and SPAN.
• Expert level knowledge in troubleshooting Network Connectivity issues in Local Area Networks (LAN) using Packet Capturing Methods (WireShark), Solarwinds, NetBrain, ISE.

TECHNICAL SKILLS:

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600, ASR 1K

Routing Protocols: OSPF, EIGRP, BGP, RIP v1/v2, MPLS PBR, Route Filtering, Redistribution, Summarization, and Static Routing

Switches: Nexus 2K/5K/7K/9K, Cisco Catalyst 6500, 4500, 3850,3560, 3750, 2960

Switching Protocols: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channelS

Multicast Protocols: IGMP, IGMP version 2 and 3, CGMP, PIM-Sparse and Dense Mode. DHCP, FTP, TFTP

LAN technologies: Ethernet, Fast & Gigabit Ethernet, VLANS, VTP, STP, RSTP

Network Management: SolarWinds, Wireshark, Netbrain, Spirent, SNMP, Infoblox, Service now.

Various Features & Services: IOS and Features, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP

WiFi tools and Protocols: Cisco prime, WLC GUI, 802.11a, b, g, n, 802.11AC

PROFESSIONAL EXPERIENCE:

Confidential, Las Vegas, Nevada

Network Engineer

Responsibilities:

• Involved in configuring and implementing of composite Network models consists of Cisco ASR 1K, 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Experience working with Nexus 7018/7010, 5020, 5548,3600, 2248 devices.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000 and Fabric path and OTV in NX-OS
• Involved in upgrading switches from 6500 E to 4500-X
• Configured Cisco ISE and switches to authenticate and authorize devices and users
• Designing and implementing LAN/WAN solutions across locations
• Data centers consolidation, design, management and supporting network activities.
• Managing the LAN/WAN devices across locations for day-to-day operations.
• Networks using routing protocols such as RIP, OSPF, BGP, EIGRP and manipulated routing updates using route-map, distribute list and administrative distance.
• Expertise in configuration of routing protocols and deployment of OSPF, EIGRP, BGP and policy routing over Cisco routers.
• Experience with designing, deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP
• Experience with configuring BGP in the data center and using BGP as a WAN protocol and manipulating BGP attributes.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Experience working with Netbrain, discovering new devices using seed discovery or IP range, adding new devices to site, creating Qmaps and Qapps to implement network/site wide change, Creating L2 and L3 maps to troubleshoot every day problem keeping workspace updated.
• Designed, validated and implemented LAN, WLAN & WAN solution to suite client’s needs.
• Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
• Design, Implement & troubleshooting of Juniper switches, routers and Firewalls
• Experience in working with Nexus 7010, 5548, 5020, 2148, 2248 devices.
• Experience in configuring vdc, Fex pinning, port-channel, peer keep alive, peer link.
• Experience in working and designing configurations for VPC, VPC domain, VPC peer-gateway, and VPC peer-switch etc.
• Conversions to BGP WAN routing, which means advertising internal OSPF route to peer connected routers (OSPF is used for local routing only), which involves new wan links.
• Experience with configuring Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5000.
• Configured the commands for QoS and Access Lists for Nexus 7K and 5K.
• Experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series.
• Strong working knowledge of Cisco 5520,5580,4400 wireless controllers (WLCs), Cisco 1140, 1250, 1260, 2600, 3600, 3602, 3702 Access Points.
• Design and deployment of WLAN using Cisco 5520 and 3700 Access Points with Hyper Location Module.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Reviewing, analyzing, approving and executing all changes in the network. All Configurations of Cisco Routers and Switches.
• Configure and troubleshooting Cisco Wireless Controllers (Cisco 5500s).
• Enabling and disabling WAPs associated to WLCs along with radio roles.
• Created and Modified Access points maps in Cisco Prime.
• Responsible for Cisco WLC upgrades and regular maintenance.
• Responsible in whitelisting workstations and servers in Cisco ISE platform to allow network access.
• Responsible to create DNS records and DHCP pool based on network requirements.
• Responsible for upgrade, refresh and radio enablement in WAPs.
• Coordinate with server/application team to build, install and troubleshoot new devices.
• Administration and diagnostics of LAN and WAN.
• Provided L2 and L3 support to the clients by troubleshooting and discovering network issues.
• Provided 24/7 on-call support to the client for overhauling network overflow.
• Working with Checkpoint Support for resolving escalated issues.

Confidential, Tampa, Florida

Network Engineer

Responsibilities:

• Involved in the troubleshooting aspects of complex network infrastructure using the routing protocols like EIGRP, OSPF & BGP.
• Installing, configuring Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.
• Perform WLAN and RF site surveys to Cisco's enterprise accounts in addition to planning, design, implementation and optimization services for Wireless Mesh and 802.11 WLAN networks comprised of the following technologies: Cisco Wireless LAN Controllers, wireless APs, wireless NMS and IP networking and switching protocols. Devices include Cisco 1100, 1200, 3600, 3700, 3800, 1500 series access points. Cisco Controllers, 5580 Wireless Controllers.
• Configuring the 3700 Access point and 5508 Wireless LAN Controller and Monitoring them by adding to the Cisco Prime Infrastructure.
• Experience with configuring BGP in the data center and using BGP as a WAN protocol and manipulating BGP attributes
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols OSPF & BGP
• Assigned and configured IP VRF (Cisco) forwarding for customer usage of the MPLS network.
• Managing and Working with IPSEC tunnels, LAN to LAN VPN implementations.
• Planning, Designing & Implementing VPN connections using site-to-site VPN's.
• Involved in configuring and implementing of composite Network models consists of Cisco ASR 1K, 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Designing and implementing LAN/WAN solutions across locations
• Data centers consolidation, design, management and supporting network activities.
• Managing the LAN/WAN devices across locations for day-to-day operations.
• Networks using routing protocols such as RIP, OSPF, BGP, EIGRP and manipulated routing updates using route-map, distribute list and administrative distance.
• Expertise in configuration of routing protocols and deployment of OSPF, EIGRP, BGP and policy routing over Cisco routers.
• Complex routing, multicast routing, QoS, Internet breakout Confidential the hub and spoke sites, and interoperability between IWAN sites and legacy non-IWAN sites during migration to IWAN.
• Upgrading and deployment of Nexus 7k, 5k and 2k
• Experience with Cisco ASR’s, Catalyst 6500 series switches, 2800 series, and 3800 series. 2900 series and 3900 series routers.
• Decommissioned VLANs on core ASR 9K, Nexus 9K, 7K, 5K and its downstream devices.
• Coordinating with service providers like Confidential & Confidential, Verizon etc. for all network outages /restoration/new implementations.
• Daily Network Performance monitoring.
• Administer and Troubleshoot - VPN, network accounts, network monitoring systems, BYOD Confidential field offices, user workstations.
• Wireless, 802.11 a/b/g/n/ac, hands-on test experience Knowledge of 802.11 / Wi-Fi technologies, propagation techniques, with specific focus on Campus, Point to Point, Access Points.
• Worked along with team on L2 & L3, V-Lan Enterprise Routing.
• Performed daily function of Cisco equipment lifecycle: receiving, part identification, testing, RMA, upgrade, configure, storage, and deployment
• Worked with team on upgrading CISCO 3750 access switches as part of Network refresh.
• Modified internal infrastructure by adding switches to support server farms and added servers to DMZ environments to help support new application platforms.
• Provide network support for internal employees including troubleshooting wireless access points while on ON-CALL rotation.
• Predominantly set up, configured and maintained a Windows server and Network Equipment on a TCP/IP network.
• Working knowledge of configuring routing protocols such as RIPv2, EIGRP, OSPF and BGP.
• Worked on INFLOBOX for Network Device Monitoring. Setting up Infoblox for local DNS and DHCP Configurations.

Confidential, Littleton, MA

Network Engineer

Responsibilities:

• Assisted senior team in configuration and troubleshooting of network devices (switches and routers)
• Helped Network Engineers on Performing Network configurations and installing Wireless Access Points.
• Helped the Network team to install New switches and routers and configure the IOS according to the requirement.
• Involved in configuring and implementing of composite Network models consists of Cisco ASR 1K, 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Designing and implementing LAN/WAN solutions across locations
• Implemented VLAN, OSPF, IP Subnetting, BGP, VTP, spanning tree, DNS allocations, Wireless Access points.
• Managing the LAN/WAN devices across locations for day-to-day operations.
• Networks using routing protocols such as RIP, OSPF, BGP, EIGRP and manipulated routing updates using route-map, distribute list and administrative distance.
• Expertise in configuration of routing protocols and deployment of OSPF, EIGRP, BGP and policy routing over Cisco routers.
• Involved in Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, STP, Inter-VLAN routing, LAN security etc. Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port-based authentication.
• Assisted in backup, restoring and upgrading the Router and switch IOS.
• Attended Team meetings and provided comments on existing network and recommendations to improve the current network Performance.
• Assisted hardware team with racking/stacking and cabling the inter-networking devices.
• Experience in Cisco Prime to map new Wireless Access Points in a building/floor based on requirements
• Created reports, workflows, and data imports for Incident, Problem, service Request and Change Service Now modules.
• In-depth knowledge of the technical implementation of Change Management, Incident Management, Problem Management, Service Catalog, Configuration Management, Reporting, Discovery and Integrations.

Confidential

Jr Network Engineer

Responsibilities:

• Implementing new/changing existing data networks for various projects as per the requirement.
• Troubleshooting complex networks layer 1, 2to layer 3 (routing with MPLS, BGP, EIGRP, OSPF protocols) technical issues.
• Providing support to networks containing more than 2000 Cisco devices.
• Performing troubleshooting for Cisco IOS related bugs by analyzing past history and related notes.
• Carrying out documentation for tracking network issue symptoms and large-scale technical escalations.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-VLAN routing, LAN security.
• Worked on the security levels with RADIUS, TACACS+.
• Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)
• Managing 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.
• Preparing feasibility report for various upgrades and installations
• Identify, design and implement flexible, responsive, and secure technology services
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Configured switches with port security for enhancing customer’s security.
• Monitored network for optimum traffic distribution and load balancing using Solar winds.
• Validate existing infrastructure and recommend new network designs.
• Created scripts to monitor CPU/Memory on various low-end routers in the network.
• Installed and maintained local printer as well as network printers.
• Handled Tech Support as it relates to LAN & WAN systems
• Configuring and troubleshooting multi-customer network environment.
• Involved in network monitoring, alarm notification and acknowledgement.
• Subnetting networks. Troubleshooting DHCP and DNS Servers.