SUMMARY

• Cisco Certified Network Engineer wif 8 years of professional experience in Network engineering, performing Network analysis, design, Implementing, capacity planning wif focus on performance tuning and support of large Networks.
• Experience in Cisco Routing, Switching and Security wif strong Cisco hardware/software experiences wif high end Routers: CISCO GSR, 2600, 2800, 3600, 7200, 12000 Series; Catalyst Switches: 4500, 6500, 7600; Juniper: M320 & T640.
• Experience in set up, configuration and management of Cisco PIX, FWSM & ASA and good understanding of ISA Server 2006.
• Experience in Layer 3 Routing protocol configurations: RIP, EIGRP, OSPF, BGP, & MPLS.
• Experience in Layer 2 Routing protocol configurations: ATM/FRAME RELAY,IP services such as Qos and VPN technologies: IPsec & SSL.
• Implemented MPLS/VPN services for various customers.
• Experience in configuring VLANs, STP, VTP, PVST and 802.x autantication in access layer switches.
• Strong noledge of HSRP, VRRP Redundancy Protocols.
• Experience wif Load Balancing using F5 Network Load Balancers.
• Experience wif different Network Management Tools and Sniffers like SNMP, HP - Open view, and Cisco works to support 24 x 7 Network Operation Center.
• Worked extensively in Designing, Implementing & Managing LAN, WLAN & WAN solutions for different client setups. In-depth noledge and experience in WAN technologies including T1, T3, ISDN, HDLC, Point to Point, ATM & Frame Relay.
• Experience in Physical cabling, IP addressing & sub-netting wif VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
• Access Control Server configuration for RADIUS & TACACS+.
• Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Staging, Lab & Production Environments.
• Strong Experience in using various tools for management, analyzing, and troubleshooting, monitoring & process automation in Lab & Production environment.
• Highly valuable Project Management and Operations Planning skills.

TECHNICAL SKILLS

IP Routing: RIP, BGP, OSPF, IGRP, EIGRP, Static Routing, IP Addressing and Sub-netting, VLSM.

Communication Protocols: TCP/IP, UDP, DHCP, DNS, ICMP, SNMP, ARP, RARP, PPP, HDLC and ISDN.

Redundancy Protocols: GLBP, HSRP, VRRP and RPR.

Topologies: Frame Relay, ATM, Ethernet, Cable Modem, and Wireless.

Switch Technologies: VLANs, VTP, STP, DTP, MLPPP, MPLS, ISL and dot1q.

Network Hardware: Hubs, Cisco switches (2900, 2924, 2950, 3550, 3560, 4000, 5500, 6500, 6509, and 6513), Cisco routers (2600, 2800, 3640, 3700, 3825, 7200, 7204, and 7206), Cisco PIX 500 series, Cisco ASA 5500 series, CSU/DSU’s, network cards, Modems and F5 Network Load Balancer.

Network Management Tools: MRTG, HP Open view, Cisco WAN manager, Cisco works 2000.

Security: AAA, NAT/ PAT, access-lists, VPN.

Firewall: Cisco PIX, FWSM, ASA, Check Point.

Operating Systems: Windows, UNIX, Active Directory, Linux.

PROFESSIONAL EXPERIENCE

Confidential, Loveland, CO

Network Engineer

Responsibilities:

• Working on designing and implementing teh office and campus LAN/WAN infrastructure using routing protocols such as BGP, OSPF, and EIGRP.
• Working on infrastructure using Cisco IOS/NX­OS/IOS­XE and related hardware (Nexus 7000/5000/2000 , ASR1000 Series, Catalyst 6500/4500).
• Work closely wif Network Engineering resources and participate in teh implementation and maintenance related to new and ongoing projects.
• Supporting BGP based network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Worked on implementing Gigamon taps in teh existing network architecture.
• Maintain network equipment and respond to maintenance and escalations as required.
• Troubleshoot and resolve complex network issues across multiple technologies.
• Acting as a technical escalation point for teh Network Operations team.
• Develop and maintain network documentation in accordance wif engineering policies and procedures.
• Initiate, participate in and follow up on network change management events.

Confidential, Omaha, NE

Network Engineer

Responsibilities:

• Configured and Implemented LAN/WAN infrastructure that includes BGP and OSPF routing protocols wifin their specific VRF. Worked on adding new BGP peers. Also, involved in troubleshooting BGP related issues.
• Created teh Extranet as per teh client requirements and worked on migration.
• Deploy teh Customer Interaction system in Data centers by building teh Vault.
• Build teh Extranet Customer Networks for teh clients using BGP and VRFs.
• Designed and deployed various network security & High Availability products like Cisco ASA and other security products. Created multiple instances in firewall as per teh client routing requirement.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Configured routing policy for BGP. Switching related tasks included implementing VLANs and configuring ISL trunk and 802.1Q on Fast-Ethernet channel between switches.
• Created various BGP based policies by using Communities, Route-maps, prefix lists and other BGP attributes such as MED.

Environment: Cisco Routers:1900, 2900, 3800, 7200, ASR-1k, ASR 9k. Cisco Switches:2960, 3560,3750,4500,6500, NX 6k, NX 2k.

Confidential, Newport News, VA

Network Engineer II

Responsibilities:

• Assist wif planning and incorporating how new network resources and applications will exist on teh network; maintain IP addresses and schemes; coordinate data circuit installations.
• Maintain teh core network infrastructure and applications, which includes main campus environments in North America and Europe, along wif major Distribution Centers and branch sites.
• Working on Cisco 6509 and 4507 series switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.
• Use network management tools such as HP Openview Network Node Manager and CA Spectrum to discover, map and maintain teh network.
• Maintain Internet and Extranet connectivity; handle day-to-day Checkpoint and Cisco ASA Firewall administration as well as VPN connectivity across multiple environments.
• Supporting BGP based network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Assist Network Engineers and Architects in conducting teh research of new technologies, standards, architectural designs and implementation strategies.
• Monitor and maintain network interfaces and related infrastructures to ensure highest level of performance.
• Designs, implements and supports enterprise wireless environments, to include thick and thin Cisco wireless environments.

Environment: Cisco Routers:2600, 2800, 2900, 3600, 7300 series Routers. Cisco Switches:3560, 3650, 4500, 6509.

Confidential, Atlanta, GA

Sr. Network/ Data Engineer

Responsibilities:

• Responsible for analyzing teh network, review teh changes required and implement them on teh network wif various Cisco and Juniper Routers.
• Supporting teh Mobility VPN Consolidation and migration project which focuses on standardizing and reducing teh number of VPNs to reduce network complexity.
• Responsible for L2 to L3 conversions, migrates from OSPF to BGP routing between PE and CE networks, and corrects inconsistencies in teh current network deployment.
• To add entirely new partner, migrate a partner from legacy EXN or to update connectivity for a current partner on MIPE.
• To work on Cisco 6500 and 4500 switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.
• Checking and configuring Cisco 7600 and 7200 routers Confidential data center for remote sites’ issues.
• Configuring OSPF and Static routing on JuniperM and MX series Routers.
• Design, build, and implementation of IPv6 network systems wif various routers like Cisco 6500, 7300 series and Juniper M320, MX960 router.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Designed QoS policies for critical applications based on business requirements and traffic patterns.
• Responsibilities also include technical documentation of all upgrades done. Attending meetings and technical discussions related to current project.
• Utilized professional concepts and company policies / ORB to implement a diverse range of architecture solutions in our production environment. Lead teh development and implementation of pro-active IP network monitoring suites and alerting tools.
• Implements complex router configuration changes, troubleshoots unexpected outcomes for compliance, installs and tests card and circuit additions, interfaces wif multiple systems for ticket generation, plans, coordinates, and executes multiple concurrent tasks nationally.

Environment: Cisco Routers:1600, 2600, 2800, 3600, 7300 series Routers. Cisco Switches:2900, 3550, 4500, 6509. Juniper Routers:M320, MX960.

Confidential, Atlanta, GA

Sr.Network Engineer

Responsibilities:

• Reviewing, analyzing, approving and executing all changes in teh network. All Configurations of Cisco Routers and Switches. Participated in a rotating 24x7 support schedule for teh Network operation Center.
• Designed, validated and implemented LAN, WLAN & WAN solution to suite client’s needs.
• Design OSPF Areas for reliable Access Distribution and for Core IP Routing.
• Implementing, Monitoring, Troubleshooting and Convergence in Frame-Mode MPLS inside teh core.
• Performed 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 F5 Network Load Balancers.
• Implemented TCP/IP and related services like DHCP/DNS/WINS.
• Configured and troubleshooting of HSRP on Cisco routers.
• Deployed a large-scale HSRP solution to improve teh uptime of collocation customers, in teh event a core router became unreachable.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Experience in working wif Nexus 7010, 5020, 2148, 2248 devices.
• Experience wif configuringNexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for teh Nexus 5000.
• Implemented SNMP on Cisco routes to allow for network management.
• Configured and managed Networking and Network Security by performing system administration / analysis that includes installing/configuring proxies, DNS, IP addressing scheme & IP subnetting wif VLSM, configuring VLANs & Trunks.
• Responsible for procurement and installation of Hardware, network drives and other IT infrastructure. Documented teh design, implementation and troubleshooting procedures wif Method of Procedure (MOPS).

Environment: Cisco Routers:1800, 2500, 2600, 3640, 7200 series Routers. Cisco Switches:1900, 2924, 2950, 3560, 4500, 6500.

Confidential, Painesville, OH ‎

Network and Support Engineer

Responsibilities:

• Performed network engineering, design, planning (WAN & LAN), & implementation. Studied single point failures & designed WAN structure in such a way that their are no failures in network in case of any device or link failure.
• Monitored, managed and resolved all data network circuits. Configured Static, RIP v1 & v2, IGRP, EIGRP, OSPF and BGP Routing Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series Routers.
• Setting up VLANS and configuring ISL trunk on Fast-Ethernet channel between Switches.
• Installed and configured Routers, Bridges, Terminal Servers and CSU/DSU’s to support WAN links.
• Designed and implemented security policies using ACL, PIX firewall.
• Configured routing policy for BGP. Switching related tasks included implementing VLANs and configuring ISL trunk and 802.1Q on Fast-Ethernet channel between switches
• Configured Pix to Pix, and Router to Router VPN.
• Configured RSTP, LACP, and VTP on Nexus devices.
• Experience wif upgrading NX-OS on Nexus devices and Password Recovery.
• Experience wif configuring VDC on Nexus.
• Implemented Cisco IOS Firewall IDS using 2600 series router.
• Redistribution of routing protocols and Frame-Relay configurations.
• Performed teh maintenance of Active Directory and replication scheme, DNS/DHCP services and time services; wrote step-by-step procedures for implementing upgrades.
• Configured VLANs on a switch for inter-VLAN communication. Configured VLAN Trunking Protocol (VTP) on Core Switches. Configured various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches for STP, VTP Domain, VLAN, Trunking, Fast Ether Channel configuration.

Environment: Cisco Routers:1600, 2600, 2800, 3600, 7300 series Routers. Cisco Switches:2900, 3550, 4500, 6509.

Confidential, Champaign, IL

Network Engineer

Responsibilities:

• Was Responsible for implementing new technology and new releases in teh production environment.
• Created various BGP based policies by using Communities, Route-maps, prefix lists and other BGP attributes such as MED.
• Exposure to IP and IPX to support various routing protocols like RIP, EIGRP and OSPF protocols.
• Scalability of OSFP by Filtering of Intra, Inter and External OSPF routes.
• Upgraded various IOS and backups of Cisco router configuration files to a TFTP server.
• Troubleshooting of various VLANs, Private VLANs, VTP, dot1q trunking on 6500 & 4500 series switches.
• Configured and troubleshooting of HSRP, Spanning tree Root guard, BPDU guard, UDLD & Loop guard STP features.
• Involved in customer escalations and troubleshooting issues related to connectivity, STP, VLAN, Trunking, VTP, Layer 2/3 switching, Ether channels, Inter-Vlan routing, log messages, high CPU utilization and parameters that can degrade performance of network.
• Configured VLANS multiple catalyst switches, Troubleshot TCP/IP and IPX network problems, Administered Frame-Relay and networks.

Environment: Cisco Routers:1700, 2600, 2800, Juniper (M320, T640). Cisco Switches:4500, 6504, 6509, 6513.

Confidential

Network Engineer

Responsibilities:

• Configured and installed Cisco 2500, 3640, 7200, and 7940 Routers.
• Troubleshot network bandwidth performance, mismatched framing and line coding.
• Coordinated wif LAN/WAN engineers teh development and implements security policy.
• Monitored usage of n/w resources wif Cisco works, and using sidewinder in PIX Firewall.
• Defined policies, NAT and anti-spoofing for internal, external n/w as well as Int gateways.
• Configured remote users to access corporate LAN wif VPN connectivity.
• Configured and installed new IP addresses for new users by using IP Addressing and Sub-netting Scheme, and work on CITRIX applications.
• Configured Frame-Relay, ISDN, ATM, Protocols, & load balancing switches.
• Configured IPX/SPX, HDLC, PPP, TCP/IP, BGP, EIGRP, RIP, & HSRP.
• Coordinated teh routing of data for Internet access via diversity, load balancing on MPLS.
• Versed in proxy servers, web servers, and VPN networks on Windows and Unix OS.

Environment: Cisco Routers:2500, 3640, 7200, 7900 series Routers. Cisco Switches:2900, 3550, 4000.