PROFESSIONAL SUMMARY:

• 8+ years of experience in networking, installing, configuring and maintaining network devices.
• Exposure to LAN/WAN setup, installation, configuration and troubleshooting on Cisco Routers, Cisco Switches, Nexus Switches, Firewall, Proxy, VPN.
• Expertise in installing, configuring, and maintaining Cisco Switches. (2900, 3500, 3700 series, 6500 series)
• Strongly experience in installing, configuring, and troubleshooting of Cisco Routers. (3800, 3600,2800,2600, 1800, 1700, 800)
• Expertise in implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, STP, RSTP, and MST.
• Implementation of HSRP, VRRP for Default Gateway Redundancy.
• In - depth knowledge of implementing, configuring and troubleshooting Routing Protocols Static Routing, EIGRP, OSPF, BGP.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Extensive Knowledge on the implementation of Cisco ASA 5500 series firewalls.
• Responsible for Check Point and Cisco ASA firewall administration across global networks.
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
• Experience working with Nexus 7K, 5K, 2K devices.
• Working knowledge of network monitoring/management tools like Wireshark, Net Flow, Solar Winds.
• Experience in configuration Voice over IP (VOIP).
• Experience working with Big IP/F5 and Cisco ACE load balancer.
• Provides technical leadership for problem escalation and resolution.
• Self-starter and able to work independently or under minimal supervision.

TECHNICAL SKILLS:

CISCO SWITCHES: Cisco Switches (2900, 3500, 4000, 4500, 5000, 6500, Nexus 5k & 7k) and Cisco IDS sensors.

ROUTERS: Routers (1800, 2500, 2600, 2800, 3600, 3800, 7200, CRS 1).

Cisco IOS, CatOS, Nexus: OS, Cisco CLI, Linux, Unix, Ubuntu, Windows, VmWare Secure, Terminal Server

MANAGEMENT TOOLS: SNMP, Syslog, Sniffer, Wire shark, Net scout, Node Manager and Solar winds

MONITORING TOOLS: Net Db, Netcure, Stat Seeker, Nagi OS, App Critical, Cisco Works, Net VCR, Service Center, Sales force, Nexus- PeopleSoft, Aspect,Verint and Hammer

Tools: VLAN, VTP, Inter Vlan routing, ISL, dot1q, STP, RSTP, PVST, HSRP, GLBP, Ethernet, Fast Ethernet, Giga Ethernet& 10 Giga Ethernet, Port security. 802.1x

WAN TECHNOLOGY: Frame Relay, X.25, E1/T1/DS1/DS3, PPP, MPLS, PPP, ATM, Channel & Leased lines

NETWORK SECURITY/FIREWALL: Knowledge of Cisco ASA Firewall, Layer 2 Security, VPN, IDS/IPS, IPSec, ACL, load balancing, NAT/PAT, Filtering, Checkpoint, McAfee Firewall Enterprise, Palo Alto Firewalls

NETWORK MANAGEMENT: SNMP v2, Cisco Works NCM, 3Com Network Analyzer, MRTG, Solar Winds NPM, TACACS, ARP, Wi Fi, WiMAX, CDMA, 3G

INFRASTRUCTURE SERVICES: Implementation of DHCP, DNS, FTP, TFTP, VoIP (SIP, H.23, MGCP), L2VPN

LOAD BALANCERS: A10, F5

ROUTING AND ROUTED PROTOCOLS: Routing Protocol (BGP, OSPF, EIGRP, RIP), Routed Protocol TCP/IP, ICMP,802.11x, 802.1x, QoS, SNMP

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

PROFESSIONAL EXPERIENCE:

Confidential, CA

Network Engineer

Responsibilities:

• Implementation of Cisco 3750, 3850 switches and Cisco 3900 and ASR 1000s routers to new sites.
• Configured and troubleshooting HSRP, BGP, OSPF, EIGRP, MPLS, WAN and Route Maps.
• Preformed IOS upgrades on cisco routers and switches.
• Resolving security issues for the clients facing different types of network troubleshooting issues.
• Performing configuration with the Cisco Catalyst switches (6500,4500).
• Thorough understanding of network and security knowledge (TCP/IP, DNS, DHCP, Firewalls, Routers, IDS, VPN).
• Creating Firewall rules for different types of the networks.
• Preparing prefix lists and address books for the firewall.
• Creating the communication plans for the changeover and create rules for the synchronization configuration.
• Worked on different types of monitoring tools like Solar winds, Wireshark, Net Flow.
• Experience in Local testing for the devices and checking effectively.
• Connecting network sites to the Internal MPLS cloud.
• Implementing the Network freeze during the migration in order to avoid the network issues.
• Working in the data center environment among firewalls.
• Expertise with the integration mechanisms along with the Decommissioning on the device.
• Implementation of Wireless access points to newly opened branches and existing branches.
• Experience with working along the Security Operations team.
• Creating the Architectural Designs for the configuration.

Environment: Cisco Catalyst Switches with Nexus 2148, 2224T, 5548, 6018, 7010, Cisco Catalyst 6506, 6509 4948E, 4510 Switches, Cisco 3660, 3845, 7609 routers, Cisco 5500, 5550 ASA firewall, F5 Load Balancers, Cisco Wi-Fi technologies, Microsoft Lync, RTP, RADIUS, TACACS+, EIGRP, OSPF, BGP, VPN.

Confidential, St Louis, MO

Network Engineer

Responsibilities:

• Configured and Resolved various OSPF issues in an OSPF multi area environment.
• Implemented, configured BGP WAN routing, converting OSPF routes to BGP. (OSPF in local routing)
• Installed, configured Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network design.
• Packet capturing, troubleshooting on network problems with Wireshark, identified and fixed problems.
• Implemented, configured, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, BGP etc.
• Performed network monitoring, provided analysis using various tools like Wireshark, Solar winds etc.
• Configuring, implementing and troubleshooting VLAN’s, VTP, STP, Trunking, Ether channels.
• Designed, implemented LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
• Experienced working in Datacenter environment, configuration changes as per the needs of company.
• Implemented and managed traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Managed project task to migrate from Cisco ASA firewalls to Check Point firewalls
• Configured and performed troubleshooting on link state protocols like OSPF in single area and multiple areas.
• Expertise with the DNS configurations with various networks and troubleshooting them.
• Redesigned Internet connectivity infrastructure for meeting bandwidth requirements.
• Experience in configuring, upgrading and verifying the NX-OS operation system for Nexus 7000 series.
• Implementation and configuration of F5 Big-IP LTM-6400 load balancers.
• Configured and managed Cisco access layer routers and switches.
• Provided support for troubleshooting and resolving customer reported issues.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience.
• Configured HSRP for network redundancy and High availability.
• Designed and configured IP address schemes.
• Maintained Cisco hardware and Cisco IOS upgrade.

Environment: Cisco Catalyst Switches with Nexus 2148, 2224T, 5548, 6018, 7010, Cisco Catalyst 6506, 6509 4948E, 4510 Switches, Cisco 3660, 3845, 7609 routers, Cisco 5500, 5550 ASA firewall, F5 Load Balancers, Cisco Wi-Fi technologies, Microsoft Lync, RTP, RADIUS, TACACS+, EIGRP, OSPF, BGP, VPN.

Confidential, Christiansburg, VA

Network Engineer

Responsibilities:

• Configured and troubleshooting HSRP, BGP, OSPF, EIGRP, MPLS WAN, and Route Maps.
• Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS and IOS on CAT6500 in a complex data center environment.
• Planned, tested and evaluated various equipment’s, systems, IOSs and procedures for use within the Network / security infrastructure.
• Installed and set up Cisco routers and switches according to deployment plans.
• Troubleshoot connectivity issues involving VLAN’s, OSPF etc.
• Gained hands on experience with VLSM, STP, VTP, VLAN Trunking.
• Change management, monitoring network performance with network tools.
• IP Distribution for existing devices and new devices as they were added.
• Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
• Experienced with Checkpoint Firewall policy provisioning.
• Created and delivered internal trainings for BGP.
• Designed and implemented Catalyst/ASA Firewall Service Module for various LAN’s.
• Implementation of checkpoint VPN/Firewall security suite and Checkpoint firewall.
• Implementation and configuration of F5 load balancers.
• Configured and managed Nexus 2k fabric extender, 5K and 7K switch network at the client’s location.
• Configured Voice ports and Dial peers on the call manager for the VOIP call to reach remote destination.
• Knowledgeable in configuration of Voice VLAN’s (VOIP), prioritizing the voice traffic over the data traffic.
• Performed Network Security Assessment and implemented security features such as network filtering, CHAP, PAP, VTY access lists and HSRP authentication.
• Provided technical support in terms of upgrading, improving and expanding the network.

ENVIRONMENT: Cisco Catalyst Switches with Nexus 2148, 2224T, 5548, 6018, 7010, Cisco Catalyst 6506, 6509 4948E, 4510 Switches, Cisco 3660, 3845, 7609 routers, Cisco 5500, 5550 ASA firewall, F5 Load Balancers, Cisco Wi-Fi technologies, Microsoft Lync, RTP, RADIUS, TACACS+, EIGRP, OSPF, BGP, VPN.

Confidential

Network Engineer

Responsibilities:

• Responsible for the installation, configuration, maintenance and troubleshooting of the company network. Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment.
• Assisted system administrators in their task of maintaining the company's Unix servers and work stations.
• Experience in System Administration, System Builds, Server Builds, Installs, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on Red Hat Linux.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Administration/Configuration of Linux/windows print server/client in network.
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation.
• Other responsibilities included documentation and change control.
• Worked on Cisco routers 7200, 3800, 2800 and Cisco switches 4900, 2900
• Routing protocols OSPF, RIP & BGP.
• Configured BGP for CE to PE route advertisement inside the lab environment.
• Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues.
• Responsible for configuring GLBP between multilayered switch networks.
• Administration of Cisco 11.x and 12.1 versions and higher.
• Monitored all Cisco equipment using Cisco Works.
• Upgrades and backups of Cisco router configuration files to a TFTP server.
• Implementing and maintaining backup schedules as per the company policy.

Environment: Cisco Catalyst Switches with Nexus 2148, 2224T, 5548, 6018, 7010, Cisco Catalyst 6506, 6509 4948E, 4510 Switches, Cisco 3660, 3845, 7609 routers, Cisco 5500, 5550 ASA firewall, F5 Load Balancers, Cisco Wi-Fi technologies, Microsoft Lync, RTP, RADIUS, TACACS+, EIGRP, OSPF, BGP, VPN.

Confidential

Network Engineer

Responsibilities:

• Served as a main escalation point of contact for level II personnel.
• Coordinated with higher-level support and external vendors for resolution.
• Monitored Network Management System and responded to events, alarms and trouble tickets.
• Coordinated and managed events and trouble tickets related to network failures and thus followed by technical support which included problem determination, customer notification and updates with regard to escalation(s).
• Migrated from Frame-Relay/ATM network to MPLS-based VPN for customer’s WAN infrastructure.
• Run scheduled Virus Checks & Updates on all Servers & Desktops.
• Involved in new desktop, laptop and printer deployment as well as service, repair, and inventory management of peripherals, and equipment.
• Included network services such as DNS, email, web, Servers, VPN and Firewall.
• Configured Nortel LAN 5530 and Nortel Chassis 8606/8610 Switches.
• Troubleshooting latency and throughput issues on MLPS and Dedicated Internet Access circuits.
• Involved in installation of 3845 series Routers at branch office edge and 7604 series router at the Zonal office Edge. These were the CE equipment for MPLS, configured BGP on CE for route advertisement To PE.
• Worked with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
• Troubleshoot TCP/IP problems; troubleshoot connectivity issues in multi-protocol Ethernet, Environment.

ENVIRONMENT: Cisco Catalyst Switches with Nexus 2148, 2224T, 5548, 6018, 7010, Cisco Catalyst 6506, 6509 4948E, 4510 Switches, Cisco 3660, 3845, 7609 routers, Cisco 5500, 5550 ASA firewall, F5 Load Balancers, Cisco Wi-Fi technologies, Microsoft Lync, RTP, RADIUS, TACACS+, EIGRP, OSPF, BGP, VPN.