SUMMARY

• 8 years of IT experience as Network Engineer in configuring and deploying network devices like Cisco and Juniper routers and Switches. Troubleshoots connectivity issues in small and large enterprise network environment.
• Expertise in Routing protocols like OSPF, BGP, EIGRP, ISIS and RIP
• Hands - on in implementing and troubleshooting Switch technologies such as STP, VTP, 802.1q, VLAN and FCoE
• Hands-on network security protocols such as IPSEC tunnels, GRE tunnels, NAT, PAT, ACLs and VPN - MP-BGP
• Gained experience working with Layer-2 and Layer-3 Switching and Security
• Gained expertise in writing test procedures and test plans with a strong understanding of design, implementation, and execution of testing methodologies
• Fault Tolerance using HSRP, VRRP and GLBP
• Knowledge and understanding of NEXUS switches functionality and configuration of NX-OS
• Highly motivated team player with good communication skill
• IP Addressing - IPV4, IPV6

PROFESSIONAL EXPERIENCE

Confidential, Washington DC

Network Design Engineer

Responsibilities:

• Lowered Total Cost of Ownership, increased performance and availability and improved business agility by building an Intelligent Information Network using the Cisco Service Oriented Network Architecture approach
• Created a business case (identified technologies and developed a strategy) by identifying the customer requirements
• Achieved an excellent Network Design Plan by characterizing and assessing the network, developing a project plan and gathering information about the current environment
• Accurately incorporated the organizational goals and requirements by using the top down network design approach

Confidential, San Jose, CA

Network Test Engineer

Responsibilities:

• Configured Virtual Switching Systems (VSS) using two Cisco Catalyst 6500E Switches to provide redundant route processors - Active-Standby Control Plane, Active-Active Data Plane
• Configured IPv4 and IPv6 PIM Sparse Mode, Source Specific Mode and Bidirectional to test Multicast in a VSS environment using Ixia as the Traffic generator
• Configured Ixia Explorer to ensure Stateful Switch Over (SSO) is fine in a VSS environment
• Faster Cisco IOS version upgrades using In-Service Software Upgrade (ISSU) within a VSS environment ensuring that customers experience no downtimes and able to provide continuous access to applications, data, and content from anywhere and anytime
• Upgraded Multi Chassis Ether-channel links to 10 GE links
• Designed, Installed, Configured and Tested Enterprise LAN Network design topologies using 6500E, 6500, 4500, and 3750 Catalyst Switches

Environment: Cisco Catalyst 6500E Chassis (6509E, 6513E), 6509 with SUP 2T, SUP 720, Opt ixia 16, Cisco IOS Software Release 15.1(1) SY for Sup 720 and SUP 2TGSM

Confidential, TX

Senior Network Engineer

Responsibilities:

• Working knowledge of installation, testing and troubleshooting of Routers, Switches, Servers and Firewalls.
• Installed and configured 6509 Cisco Catalyst Switch, creating VLANs and assigning ports to the VLAN, configuration of routing protocols such as OSPF, EIGRP and RIP.
• Upgrading the IOS on the 6500 switch and saving the old system configuration and running-configuration
• Implemented WAN network technologies like MPLS and Frame Relay, switching technologies like STP, switch and VLAN security on L2 and L3 layer switches.
• Provided BGP routing protocols for implementing multi-homing connection between two ISP’s and providing traffic flow to certain areas.
• Carried out Route-redistribution between different routing protocols like OSPF, BGP, and EIGRP for increased efficiency.
• Provided an IP Addressing scheme using VLSM and maintained VLAN table, and implemented DHCP server for assigning IP address to various connecting devices.
• Managing and troubleshooting Wireless LAN connectivity issues.
• Implemented Port Security - MAC limiting, DHCP Snooping and IP source guard on EX series switches to make the network invulnerable to attacks
• Reduced the number of managed devices from by implementing Virtual Chassis technology using Juniper EX4200 switches
• Complete upgrade of U.S. Robust modem to ShopperTrak TS600 modem at Payless store
• Improved labor scheduling efficiency by Installing Orbit 5 Retail IP System to count pedestrians/shoppers foot traffic at Payless store
• Installed Point of Sales (POS) Workstations and joined them to the network
• Installed Cisco ESW 540 Switch using Cisco Configuration System software to accommodate network devices such as IP Phones.
• Implemented Static NAT and PAT for internet users
• Designed and Implemented DMZ for FTP, Web and Mail Servers with CISCO PIX 525 and PIX515E

Environment: Cisco 2900, 3800, and 7200 series routers, Cisco 2950, 3550, 3560, 6509 Catalyst Switches, ASA 5510 firewall, Juniper SRX240, Juniper EX4200, ESW Switch, PIX 525, PIX 515E, U.S. Robust modem, ShopperTrak TS600 modem, Fujitsu POS, Orbit5 Camera

Confidential, Ilorin

Sr Network Engineer

Responsibilities:

• Installed configured and deployed Routers and Switches for branch expansion and improved network infrastructure for higher throughput.
• Provided BGP routing for multi-homing between two different ISP’s and troubleshooting BGP issues.
• Provided routing protocols like OSPF and EIGRP for network connectivity for multi-vendor network devices.
• Worked extensively on Access-list on firewall and router for permitting required flow of traffic.
• Implemented Route Redistribution for traffic flow between different routing protocol platforms
• Created VLANs for separating different corporate internal database, efficient network management and VTP for Inter-VLAN routing.
• Implemented security from outside and web access using Dynamic and Static NAT, PAT
• Provided IP addressing to different devices connected with the help of DHCP server and implementing VLSM
• Configured and Implemented Site-Site VPN and Remote Access VPN for User flexibility and security using IPSEC
• Provided monitoring and troubleshooting of network infrastructure with the help of PING and TRACEROUTE.
• Provided IOS upgrade with help of TFTP server.
• Configured BGP, AS-PATH prepending such that an ISP is preferred to the other for specific routes
• Planned, designed and implemented a redundant Cisco LAN using L3 switches. The switches were initially set up, VTP configuration, VLAN creation, Ether channel configuration and so on
• Network Management operations using Simple Network Management Protocol (SNMP) for fault tolerance and CiscoWork2000 server for configuration management, syslog collection, and hardware and software inventory management
• Enabled MD5 EIGRP authentication on routers to prevent the network from being compromised
• Implemented various OSPF network configuration types - backbone, NBMA, point-to-point and point-to-multipoint on large Cisco networks using Routers Series - 1800, 2600, 2800 and Switches
• Implemented LAN based security using 802.1x authentication and port security for proof of legitimacy before connecting to the network
• Administered Windows 2000, Windows Server 2003 network infrastructure (DNS, RRAS and DHCP), and Backup and Recovery of data in a large network

Confidential

Network Engineer

Responsibilities:

• Designed and developed company’s production network involving configuration of devices like Cisco 2821, 2811 routers, Cisco 3750 switch as well as carrying out their IOS upgrade.
• Provided Route-Redistribution between different routing protocols like OSPF, EIGRP and RIP to increase network efficiency and redundancy.
• Implementation of GRE tunnels over IPSEC for the client environment between two HQ routers.
• Overall network Management and Monitoring
• Instructed MCSE and CCNA candidates