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Network Administrator/engineer Resume

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Reston, VA

SUMMARY

  • 7 years of experience as Network Engineer in testing, troubleshooting, implementing, optimizing and maintaining enterprise data network and Service Provider systems.
  • Expertise and experience ranging from customer relations to network hardware and software implementation. Interested in applying experience and expertise in the LAN/WAN industry while focusing on network support and design development.
  • Expert in configuration of routing protocols and deployment of RIP, OSPF, EIGRP & BGP over Cisco Routers in Production environment.
  • Experience working on Cisco Catalyst Series 3750, 4500, 4900, 6500.
  • Extensive work experience with Cisco Routers, Cisco Switches, Load Balancers and Firewalls.
  • Experience in layer - 3 Routing with, Cisco ASR 9k, ASR1002X, 7200, 3845, 3945, 2811, 1800 series Expert in configuration of routing protocols and deployment of RIP, OSPF, EIGRP & BGP over Cisco Routers in Production environment.
  • Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP.
  • Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
  • Responsible for Juniper and Cisco ASA firewall administration across global networks.
  • Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
  • Experience with load balancing on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
  • Hands on experience in deployment of MPLS, PPP.
  • Implemented redundancy with Ether channel technology etc.
  • Working knowledge of IDS and IPS, policy routing, private VLANs, NAT and ACLs.
  • IOS upgrades on routers and switches and Installation of SDM.
  • Experience with Nexus OS.
  • Knowledge of implementation of Palo alto firewalls
  • In-depth knowledge and hands-on experience on IP Addressing, Subnet, VLSM, and ARP, Ping concepts.
  • Maintaining and updating inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
  • Worked on Network Monitoring tools like Cisco Network Assistant, Solar winds, Wireshark.
  • Efficient in preparing Technical Documentation using Microsoft VISIO/Office and also in preparing presentations.
  • Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, TEMPeffectively analyses results and implement and delivering solutions as an individual and as part of a team.
  • Self-motivated, quick learner, zealous and hardworking, ca handle multiple demands and competing priorities.
  • Worked as part of the Technical Support Team by involving in the documentation and training of the end-users, and in solving the network issues.
  • Experience working with High performance data center switch like Nexus 7000 series.
  • Experience working with Nexus 7010, 5000 and 2000 Series.
  • Dealt with the escalation problems for Routing, Switching and WAN connectivity issues using ticketing system like Remedy Ticketing System.
  • Experience working with F5 Load Balancer LTM and GTM module.
  • Expertise in IP Addressing, Sub-netting, VLSM and CIDR.
  • Experience in configuration of VLANS, Trunks and VTP.
  • Experience with installing and managing IT services such as Active directory, site replication, DNS, SSH, DHCP, DNS, NAT and Terminal service.
  • In depth understanding of IPV4, implementation of Subletting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
  • Experience inNetwork Management Tools and sniffers like SNMP, Wireshark and Cisco works to supportNetwork Operation Center.
  • Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT'ing, sub-netting, also including DNS, WINS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols.
  • In-depth experience/ knowledge in implementation, administration, and support of Cisco devices for both networking and security.
  • Designing, implementing and troubleshooting Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches.
  • Designing, implementing and troubleshooting Cisco routers (800, 2800, 2600, 3800, 7600) using Static, RIP, IGRP, OSPF, EIGR.
  • Experience in Cisco security: Telnet, SDM, NAT/ACLs, AAA, Layer 2 Security, Layer 3 Security.
  • Configuring security policies including NAT, PAT, VPN's and Access Control Lists.
  • Implementing security policies using ACL, PIX firewall, ASA and Routers.

TECHNICAL SKILLS:

Cisco router platforms: 2811, 3600, 3745, 3845, 7206, 7609, ASR1002X, ASR9K.

Cisco Switch platforms: 2900XL, 2950, 2960, 3560, 3750X, 4500X, 4510, 6509E.

Firewalls: Cisco PIX 501, 510, 515E, Cisco ASA 5520, 5540, Checkpoint.

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, NAT/PAT.

Implemented Cisco Secure Access Control Server (ACS) for TACACS+.:

VOIP Devices: Cisco IP phones.

IPSEC/VPN Configuration: Router to Router, PIX to VPN wildcard client, Router to VPN wildcard client, fully meshed configurations.

Routing Protocols: RIP, OSPF, EIGRP, and BGP.

Switching Protocols: VTP, STP, RSTP, MSTP, VLANs.

Layer 3 Switching: Multi-Layer Switching, Ether Channel.

Carrier Technologies: MPLS, MPLS-VPN.

Redundancy protocols: HSRP.

Security Protocols: IPsec, SSL, AAA, Access-lists

PROFESSIONAL EXPERIENCE:

Network Administrator/Engineer

Walmart, Reston, VA

Responsibilities:

  • Responsible for implementing, engineering, & level 3/4 support of existing network technologies / services & integration of new network technologies / services.
  • Key contributions include troubleshooting of complex LAN /WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
  • In case of any issues, troubleshoot the DNS / DHCP related issues and resolve the issues.
  • Fulfill the user requests regarding DNS/ DHCP within the company
  • Troubleshoot the DNS / DHCP related issues.
  • Configured and managed Cisco access layer routers and switches.
  • Support Network Technicians as they require training & support for problem resolution including performing diagnostics & configuring network devices.
  • Participate in 24 x 7 incident & problem support.
  • Recommended Security considerations for the Intranet data center, integrating security, providing solution design details and configuration details.
  • Configuring switch for 802.1x port based autantication.
  • Implemented QOS using queuing, policing, shaping, compression, congestion avoidance techniques.
  • Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
  • Planning and Implementation of Subnetting, VLSM to conserve IP addresses.
  • Configured STP for loop prevention and VTP for Inter-VLAN Routing.
  • Troubleshooting issues and outages on Trunks and Router interfaces extensively.
  • Technical assistance for LAN/WAN management and complex customer issues.
  • Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance.
  • Creating & applying different types of access-lists for these TEMPeffects to take place.

Environment: Cisco routers 2800, 3600, 3800, 7200, 7600, Cisco catalyst series switches 3750, 4500, 6500, Cisco PIX and ASA firewalls, OSPF, BGP, RIP, AAA, NAT, DHCP server, VOIP, Solar Winds.

Confidential, Reston, VA

Responsibilities:

  • Designed, validated and implemented LAN, WLAN & WAN solution to client's needs.
  • Configured and designed LANnetworkswith Access layer switches such as Cisco 4510, 4948, 4507 switches.
  • Design OSPF Areas for reliable Access Distribution and for Core IP Routing.
  • Rolled out existing flat structure of branch site with Cisco 3640, 3600, 3800, 7200 routers and used Cisco PIX510 to provide firewall security.
  • Implementing, Monitoring, Troubleshooting and Convergence in Frame-Mode MPLS inside the core.
  • Worked with LAN protocols like STP, RSTP, MST, VTP, VLAN.
  • Troubleshooting and monitored routing protocols such RIP, OSPF, EIGRP & BGP.
  • Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
  • Provided Load balancing towards access layer from core layer using F5network Load Balancers.
  • Implemented TCP/IP and related services like DHCP/DNS/WINS..
  • Configured and troubleshooting of HSRP on Cisco routers.
  • Implemented Layer 2 security policies to mitigate attacks by hard coding access port, Port-security violation policies, configuring all unused port in Black hole VLAN.
  • Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
  • Implemented SNMP on Cisco routes to allow fornetwork management.
  • Write & review test plans for IEEE 802.11a/b/g, 802.11e, 802.11D+H, 802.11R, 802.11n etc. as well as proprietary features.
  • Implement ATM/Frame Relay between data centers utilizing Cisco routers & switches.
  • Design Layer 2/Layer 3network for cloud hosting data centers and enterprisenetworks.
  • Reviewing, analyzing, approving and executing all changes in tanetwork. All Configurations of Cisco Routers and Switches. Participated in a rotating 24x7 support schedule for theNetwork Operation Center.
  • Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols OSPF & BGP.

Environment: In Corporate office architecture with highly reliable & securednetworkincluding Cisco routers (ASR, 6500, 3800, 2800) and Cisco switches (6500, 3700, 4500, 2900), Routing Protocols (RIP, OSPF, BGP), Switching protocols (VTP, STP).

Confidential, Germantown, MD

Responsibilities:

  • Provided estimated bandwidth requirements for data replication, to best determine adequate timing for Migration service levels.
  • Configuring HSRP between VLANs, Configuring Ether-Channels, and Port Channel on 6500 catalyst.
  • Switches Replace branch hardware with new 2851 routers and 2960 switches.
  • 802.11n Infrastructure and its legacy technologies.
  • Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
  • Configuring, managing and troubleshootingnetworksusing routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
  • Assisted with troubleshooting allnetworkissues with routers and switches when necessary and consulted with on Call tech as needed for client.
  • Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700,2600 and 3500 Series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as Assisting with customer LAN, router/firewalls.
  • Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels and Spanning tree for creating.

Environment: Cisco 7200/3845/3600/2800 routers, EIGRP, RIP, OSPF, BGP, VPN, Ether Channels

Confidential, Grand Rapids, MI

Responsibilities:

  • Configuration and administration of Cisco and juniper Routers and Switches.
  • Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, and BGP v4. Configured IP access filter policies.
  • Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associatesnetworkprotocols and services.
  • Configuring site to site to VPN connectivity.
  • Assisted the team in VOIPnetworkmanagement and troubleshoot.
  • Upgrading Cisco IOS to the Cisco routers and switches.
  • Worked on Data, VOIP, Security as well as wireless installations and technologies
  • Configuring IPSLA monitor to track the different IP route when disaster occurs.
  • Configuring RIP, OSPF and Static routing on Juniper Routers.
  • Configuration and troubleshooting of Cisco catalyst 6509,7613 with supervisor cards.
  • Installing and configuring F5 Load balancers and firewalls with LAN/WAN configuration.
  • Configuring and monitoring users by using TACACS+ Server.
  • Involved in installation and configuration of Cisco 3500 and 6500 series switches and Nexus Platforms.
  • Experience with Checkpoint Firewall policy provisioning.
  • Experience with Firewall Administration, Rule Analysis, Rule Modification.
  • Troubleshoot traffic passing managed firewalls via logs and packet captures.

Environment: VOIP, Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels.

Confidential, Montgomery, AL

Responsibilities:

  • Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
  • Configured, installed, & managed DHCP, DNS, & WINS servers
  • Configuration & maintenance of Cisco2600 series routers with OSPF.
  • Configured and implemented various protocols on 2800 series router for efficient performance of network
  • Managed a TACACS server for VPN user autantication andnetwork devices autantication
  • Upgrading tanetworkby translating protocols like EIGRP to OSPF.
  • Monitor, evaluate & report on health of both Wide & Local Area (WAN/LAN)Networks.
  • Maintaining the wholenetworkand troubleshooting tanetworkissues for efficient performance.
  • Team member of Configuration of Cisco 7206 router and Configuration of Catalyst switches.
  • Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
  • Installed and configured F5 Load balancers and firewalls with LAN/WAN configuration.
  • Create and test Cisco routers and switching operations using OSPF routing protocol.
  • To secure configurations of load balancing in F5, SSL/VPN connections Troubleshooting CISCO ASA firewalls, and relatednetwork security measure
  • Experience working with Layer 1-7 switching, TCP/IP, OSPF and load balancing (Cisco L2/L3 switches, firewalls, load balancers.
  • Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 series
  • Worked with security issue like applying ACL's, configuring NAT and VPN
  • Experience in configuring routing protocols like EIGRP, RIP v2, OSPF & BGP and Cisco ACS protocol like TACACS.
  • Troubleshoot issues related to connectivity, STP, VLANs, Trunking, VTP, Layer 2/3switching, Ether Channels, Inter-VLAN routing, log messages, high CPU utilization and parameters that can degrade Performance of tanetwork
  • Maintained complex LAN/WANnetworkswith several VLANS and provided support for routing protocols and also providing secure sessions over internet using IPSec and SSL encryption.
  • Configured Multicasting protocol for IPTV and Multicast over GRE tunnels.

Environment: DHCP, DNS, EIGRP, OSPF, SSL/VPN connections, VLANs/routing/NATing, RIP v2, BGP, ACS protocols like TACACS, STP, VLANs, Trunking, VTP, Layer

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