SUMMARY

• 7+ years of experience in Network supervision.
• Hands on experience of TCP/IP networking and troubleshooting of static and dynamic routing protocols.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Performed switching technology administration including port aggregation and link negotiation.
• Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic L3 routing protocols such as EIGRP, OSPF, BGP, MPLS, ability to interpret and resolve complex route table problems.
• Implementation traffic filters on Cisco routes using Standard, extended Access list. worked on implementation strategies for the expansion of the MPLS VPN networks.
• Good knowledge in ACL, NAT/ PAT, Ether Channel, IPSec and VPNs.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Firm in configuring and troubleshooting Netmotion.
• Experience with F5 load balancer configuring, implementing and troubleshooting in the enterprise network.
• Experience with F5 iRules (F5’s TCL scripting language) enabling customization of application load balancing solutions through the control and direct manipulation of the application traffic.
• Experience in managing and configuring F5 Big - IP LTM and GTM devices.
• Experience in Physical cabling, IP addressing & subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
• Knowledge of Terminal Server, Firewalls, Standard/ Extended ACL, Distribute-Lists.
• Upgrade and Maintenance of Service router.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Able to establishing Point-to-Point connection and Establishing Frame Relay Connections.
• Access Control Server configuration for RADIUS & TACACS+.
• Moderate knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS, Standalone APs, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics.
• Capable to work on Aruba access point & Mobility controller switches.
• Excellent in documentation and updating client’s network documentation using VISIO.

TECHNICAL SKILLS

Cisco router platforms: 2500, 2600, 2800, 3600, 3700, 3800, 7200, 7609, ASR1k.

Cisco Switch platforms: 2900XL, 2950, 2960, 3560, 3750X, 4500, 6500

Firewalls: Cisco PIX 501, 510, SRX 515E, Watch guard, Cisco ASA, CSM, ASDM 5520, 5540,5500-x, Check point.

LAN Technologies: VLAN, VTP, Inter-Vlan routing, STP, RSTP, PVST, 802.1x

WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS, Channel & Leased lines

Network Securities: NAT/PAT, VPN, L2/L3VPN, Filtering, Load Balancing, IDS/IPS, IPsec, ACL

Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, HSRP, IPv6, TCP/IP, IPX/SPX

Load Balancer: Cisco ACE load balancer, F5 Networks (Big-IP)

Infrastructure Service: DHCP, DNS, SMTP, POP3, FTP, TFTP

Network Management: SNMP, SSH, Telnet, ICMP, SSL

IP Telephony: VOIP, FXO/FXS/E&M/T1/ISDN/ PRI, Call manager Express

Comm. Protocols: ARP, Wi-Fi, WiMAX, 3G

Tools: Wireshark, SYSLOG, CSM, HPSM, WhatsUp Gold, Cisco Works, IXIA, Spirent

Transfer Protocols: HTTP, FTP, TCP/IP, LAN and WAN

PROFESSIONAL EXPERIENCE

Confidential, PA

Sr. Network Engineer

Responsibilities:

• Experience working with Nexus 7018/7010, 5020, 5548, 2148, 2248 devices.
• Experience with configuring Nexus2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus5000.
• Configuring IPSEC VPN on SRX series firewalls.
• Installation and configuration of Palo Alto firewalls.
• Installed new and upgraded Cisco routers 2811, 2921, 3460, 3925.
• Configured and maintained Cisco switches 2950, 3750,6509.
• Providedhands-on support for environment includingon-call support for switches, routers and servers. DHCP, DNS to troubleshoot issues.
• Performing the ACL requests changes for various clients by collecting source and destination information from them.
• Determined and resolved all RF issues from clients connectivity issues to wireless controllers malfunctions on two different vendors products Cisco’s and Aruba platforms.
• Implement and configured GLBP (on core switching and also for VPN redundancy), HSRP on different location of office on the switched network and managing the entire multilayer switched network.
• Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.
• Implemented Load Balancing solutions on F5 BIG-IP LTM and also implemented interception and redirection of incoming traffic, SSL Certificate based authentication and termination and Compressions and optimizations on HTTP traffic on the same.
• Experience in configuring LB VIPs, content switch VIPs, GSLB VIPs, 301/302 redirects and responder policies using the header values on Citrix Net scaler.
• Deploying and decommissioning the VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
• Perform LAN/WAN connectivity and troubleshoot issues .
• Worked on the redistribution of connected routes on all OSPF devices so that all connected subnets are advertised via OSPF.
• Allowing work for Check Point to Cisco ASA 5520 Firewall Configuration Migration Service provides remote configuration migration services to Customer.
• Maintained detailed network documentation and provided technical support as well as on call and after hours support as required.
• Manage Aruba Access points in enterprise network. configure Netmotion.

Confidential, Houston,TX

Network Engineer

Responsibilities:

• Implement approved Network changes in accordance with applicable procedures.
• Involved in troubleshooting LAN/WAN connectivity, hardware issues in the network, IP addressing issues, created a backup and recovery policy for software application, verified the working of peripherals and Updating IOS images using TFTP.
• Creating, adding and deleting new rules and objects on SRX firewalls.
• Perform command line configuration.
• Troubleshoot PaloAlto firewall platforms.
• Manage Aruba Mobility access switches.
• Being responsible for consulting and technical support Microsoft Windows 7, Microsoft Windows Server 2003/2008 and 2008 R2, Active Directory Domain Controller, Microsoft Exchange 2003/2008/2010 , Linux, Unix, networking, wireless, Catalyst switches, Checkpoint upgrade to R80, Cisco Wireless LAN Controller 4402.
• Worked on Cisco 2600, 3600, 3700, 3800, 7613 series routers and 3750-G, 4500, 6500 series Catalyst switches.
• Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416, 21418(with PRP and RPR processors).
• Troubleshoot network issues using SRX tracker tool.
• Configure VDC, OTV and VPC on Nexus 7000 and Nexus 5000.
• Switched telephonenetwork(PSTN), PPP, ISDN, Frame Relay, TCP/IP, and VPN.
• Configuration and Maintenance of MPLS/VPLS broadband network using Alcatel Broadband Equipment, SR7750 etc.
• Maintained TACACS+/RADIUS Servers for AAA authentication and User authentication.
• Experience with F5 load balancer configuring, implementing and troubleshooting in the enterprise network.
• Configuring & managing around 500+ Network & Security Devices that includes Juniper (Net Screen) Firewalls, F5 Big IP Load balancers and 3DNS, Blue Coat Proxies and Plug Proxies.
• Perform configurations by using CLI.
• Analyzed corporate LAN and WAN to determine the major problems and improvements needed to be made to the network infrastructure.
• Replace branch hardware with new 2851 routers and 2960 switches
• Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trunking, deployed port security when possible for user ports
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.

Confidential, Murysville, PA

Network support Engineer

Responsibilities:

• Responsible for the installation of wide range of network equipments.
• Duties include configuration, maintenance and troubleshooting of the company network.
• Configured ACL to allow/deny various server access for inside/outside users & vendors.
• Implemented the concept of Route Redistribution between different routing protocols.
• Upgrade and backup of Cisco router configuration files to a TFTP server.
• Using CLI for IP utility .
• Configuring RIP, OSPF and Static routing on Juniper M and MX series.
• Worked on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercises, and core network repairs.
• Involved in troubleshooting LAN/WAN connectivity.
• Performing IPSEC VPN on firewalls. ( enterprise level)
• Responsible for service request tickets generated by the helpdesk such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Supporting EIGRP and BGP for problems of L2/L3 in internal teams & external customers. worked on design, installation, configuration and troubleshooting PaloAlto firewall platforms.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Performed administrative support for RIP, OSPF routing protocol.
• Consult on bandwidth upgrade requirements to accommodate new application to 270 global sights.
• Upgrading Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
• Implementing and maintaining backup schedules as per the company policy.
• Quickly resolve all IP network issues to reduce and down time.

Confidential

Jr. Network Engineer

Responsibilities:

• Configuring and troubleshooting routing issues related to protocols like RIP, OSPF, BGP.
• 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.
• Maintaining and providing Level 2 and Level 3 technical supports for all network related issues and providing the requirements of the customer .
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.
• Performed basic security audit of perimeter routers, identifying missing ACL’s, writing and applying ACL’s .
• Network tuning and problem isolation, analyzing and correcting network performance issues.
• Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.