PROFESSIONAL SUMMARY

• Over 7 years of experience in teh field of routing, switching, firewall technologies and troubleshooting of complex network systems.
• Experience in designing, installing, configuring and maintenance of Enterprise Networks using Cisco routers, Catalyst Switches and Load Balancers, Cisco Firewalls.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches, Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Expertise experience in implementing and troubleshooting VLANs, VTP, STP, RSTP, DTP, Root Guard, BPDU Guard, PortFast, UplinkFast, BackboneFast, Ether Channel, PAGP, LACP and 802.1Q.
• Planning, Designing & Implementing VPN connections using Checkpoint, ASA and Cisco Routers using site - to-site VPN’s.
• Extensive Experience in WAN Technologies, Switching Technologies along with Failover Mechanisms &Inter Vlan Routing types.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Experience with configuringNexus2000 Fabric Extender (FEX) which acts as a remote line card (module) for teh Nexus5000.
• Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF,IS-IS BGP and MPLS.
• Experience with F5 load balancers LTM, GTM series like 6400, 6800, 8800 for teh corporate applications.
• Involved in iRule management like loading rules, writing iRule syntax using TCL language.
• Experience in installing and configuring DNS, DHCP server.
• Moderate noledge 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.
• Good noledge and experience in Installation, Configuration and Administration of Windows 2000/2003, HTTP,FTP,DNS,NTP,DHCP servers under various LAN and WAN environments.
• Proficiency in handling Network Monitoring tools and Packet capture tools.
• Implemented Network Security solutions using Cisco VPN Concentrators and Cisco ACS sever.
• Efficient use of Microsoft VISIO/Office for technical documentation and presentation tools.
• Excellent analytical, organizational, problem solving & resolution skills.

TECHNICAL SKILLS:

Routers: Cisco 2620, 2901, 3925, 3945E, 7201, 7613

Switches: Cisco Catalyst 2232, 2960, 3560, 4507R+E, 5596, 6509-E, 7009 Nexus 2232, 5596, 7009

Routing: OSPF, EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution, Summarization, Static routing

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channels, MPLS, Transparent Bridging

Network Security: Cisco ASA 5540, ACL, IPSEC

Load Balancer: F5 Networks (Big-IP) LTM 6400, 1600

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay. Gateway HSRP, VRRP, GLBP

Redundancy: Various Features IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP

& Services: AAA Architecture TACACS+, RADIUS, Cisco ACS Network Management Wireshark, SNMP, Etheiral, EMC Smarts

Operating Systems: Windows (98, ME, 2000, XP, Server 2003/2008, Vista, Windows 7)

PROFESSIONAL EXPERIENCE

Confidential, Denver, CO

Network Engineer

Environment: Cisco Routers 7200, 3800, 3700, 2800; Cisco Catalyst switches 6500, 4500, 3500, 2900; Cisco ASA 5550, 5520; VTP, VLAN and 802.1Q trunking; Routing Protocols OSPF, BGP ; VPN, Frame Relay, Big-IP F5 Load Balancer, MS Visio.

Responsibilities:

• Responsible for teh Global design, engineering, and level 2/3 support of existing network technologies services and teh integration of new network technologies / services
• Key contributions include troubleshooting of complex LAN /WAN infrastructure dat include routing protocols EIGRP, OSPF & BGP.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Worked with Cisco Nexus2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for data center access architecture.
• ConfigureVRRP & GLBP andVLANTrunking802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to teh switches.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
• Worked on teh security levels with RADIUS, TACACS+.
• Verified teh existing configuration on every interface meets teh standard (like access ports having Portfast andBPDU guard enabled).
• Upgraded teh IOS on teh 6500 switch and saving teh old system configuration and running-configuration.
• Experience with implementing Cisco 6500 VSS on teh User distribution switches.
• Carried out Route-redistribution between different routing protocols like OSPF, BGP, and EIGRP for increased efficiency.
• Administration of ASA firewalls in teh DMZ and FWSM in teh Server Farm to provide security and controlled/restricted access.
• Handled SRST and implemented and configured teh Gateways, Voice Gateways.
• Tested and implemented various BGP attributes such as Local Preference, MED, AS-PATH, Community, Extended community using route-maps.
• Configuring Big-IP F5 LTMs (virtual servers, pools, SNATs, health monitors, irules) for managing teh traffic and tuning teh load on teh network servers.
• Implementing iRules on LTMs for http traffic redirection.
• Expert in Microsoft Visio 2013.

Confidential, Salt Lake city, UT

Network and Telecomm Engineer

Environment: Cisco Routers: 3945, 3825, 2900, cisco switches: 4506R, 4507R+E, 2960, 6506, 6509, Cisco ASA 5510, 5520, 5585, F5 -1600 LTM, VTP, cabling, BGP, Cisco Iron and web Proxies M170 and S370, ULTRAVAM server, ULTRAHUB server, 224 Voice gateways, Unified Communication call Manager(UCM), Verint v.10, CTIOS,Solarwinds,ASDM,Qualys guard .

Responsibilities

• Worked on Network design and support, implementation related internal projects for establishing connectivity between teh various field offices and data centers.
• Responsible for teh installation, configuration, maintenance and troubleshooting of teh company network. Duties included monitoring network performance using various network tools to ensure teh availability, integrity and confidentiality of application and equipment and to provide support for Cisco network.
• Performing teh daily health Check in Telecomm and Networking.
• Worked on cisco policy trace, Access policies, and URL categories to either give or block theaccess to particular websites using Iron Port Proxies.
• Worked on CLI to enable teh ports and configuration of switches and routers.
• Upgrading teh IOS to teh newest version using teh console, TFTP server on Firewalls, switches androuters.
• Physically connecting teh ports between teh switches and teh servers on to teh racks.
• Setting up teh WIFI connections whenever needed as per teh users requests.
• Enabling teh TCP, UDP, SMTP ports to allow teh traffic from one server to another server byperforming teh trace route to find out where teh traffic is blocked by teh firewall.
• Setting up teh Agents in Cisco Unified Call Manager (UCM), unity, ICM.
• Performed testing of agent Extension mobility phones.
• Assigning teh Channels to each agent on VOIP ULTRAVAM devices.
• Troubleshooting teh VAM and HUB servers when an issue arises.
• Troubleshooting issues with vendors in case of failures in call recording.
• Troubleshooting connectivity issues to web links on both internal and external domains
• Worked on configuring internet connection within teh organization by consulting with differentvendors
• Troubleshoot teh BIG-F5 1600 LTM through constant contact with teh vendor.
• Configuring and troubleshooting site-to-site IPSEC VPN tunnels onVPN concentrators and ASA firewallswith private vendors.
• Worked on commissioning and decommissioning of teh MPLS circuits for various field offices.
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite.
• Worked on Organization’s cell phones issues.
• Weekly documentation of updates on our technical work.

Confidential, Phoenix-AZ

Sr. Network Engineer.

Environment: Cisco Routers 7200, 3800, 3700, 2800; Cisco Catalyst switches 6500, 4500, 3500, 2900; Cisco PIX Firewalls 535, 525; Cisco ASA 5550, 5520; VTP, VLAN and 802.1Q trunking; Routing Protocols OSPF, BGP ; VPN, Frame Relay, Big-IP F5 Load Balancer, MS Visio.

Responsibilities:

• Responsible for teh Global design, engineering, and level 2/3 support of existing network technologies services and teh integration of new network technologies / services
• Key contributions include troubleshooting of complex LAN /WAN infrastructure dat include routing protocols EIGRP, OSPF & BGP.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Racking, stacking, configuring NEXUS 5K and 2K and 7K.
• Worked with Cisco Nexus2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for data center access architecture.
• Configuring Cisco ACS 4.0 along with TACACS+ server autantication.
• ConfigureVRRP & GLBP andVLANTrunking802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Creating, adding and deleting new rules and objects on Checkpoint firewalls R65/ R75.
• Troubleshoot network issues using Checkpoint tracker tool.
• Documentation involved preparing MOPs, Work Orders, DCE cabling and NEMS request. Also creating and submitting Remedy tickets and Homer work orders.
• Configuring Big-IP F5 LTMs (virtual servers, pools, SNATs, health monitors, irules) for managing teh traffic and tuning teh load on teh network servers.
• Implementing iRules on LTMs for http traffic redirection
• Configuring and troubleshooting site-to-site IPSEC VPN tunnels onVPN concentrators and ASA firewallswith private vendors.
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to teh switches.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
• Worked on commissioning and decommissioning of teh MPLS circuits for various field offices.
• Updated teh HP open view map to reflect and changes made to any existing node/object.
• Handled SRST and implemented and configured teh Gateways, Voice Gateways.
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite.

Confidential, San Mateo-CA

Sr. Network Engineer

Responsibilities:

• Worked as part of a team to manage Enterprise Network Infrastructure as a Tier 3 Support Engineer.
• Involved in Configuring and implementing of Composite Network models consists of Cisco 7600,7200,3800 series routers and Cisco 2950, 3500,5000, 6500 Series switches.
• Configuring Firewall switch module on Cisco 6506 distribution layer switches.
• Configuring VTPs, trunking, inter-vlan routing, port fast, uplink fast, and backbone fast on access layer switches.
• Enable STP attack mitigation (BPDU Guard, Root Guard), using MD5 autantication for VTP.
• Planned and installed Frame Relay WAN links to teh branch offices.
• Implemented a backup for teh existing WAN connection using site to site IPsec VPN tunnels.
• Configuring and troubleshooting OSPF routing protocol on teh corporate network.
• Worked on teh migration of Frame Relay based branches to MPLS based VPN for customer’s WAN infrastructure.
• Worked on teh migration of existing PIX firewall to ASA firewall. PIX OS upgrade from 6.3 to 7.0 (x)
• Has done teh Configuration on BIG IP (F5) Load balancers and also monitored teh Packet Flow in teh Load balancers.
• Has a good experience working with teh Trouble Tickets on F5 Load balancers.
• Switch experience includes Cisco Catalyst switches: CISCO 3750, 4500, 6500 series switches.
• Managing enterprise BGP setup by configuring and troubleshooting BGP related issues. My responsibility was also to add new BGP peers for remote branch offices and business partners.
• Scaling of IGP and BGP in teh core.
• Administration of ASA firewalls in teh DMZ and FWSM in teh Server Farm to provide security and controlled/restricted access.
• Dealt with implementation of deployment related to Cisco devices and applying security policies on it.
• Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues.
• Configuration of NAT.
• Maintain TEMPeffective communications with vendors, peers and clients in resolution of trouble-tickets, equipment RMAs, and support requests.
• Planning for upgrade of IOS on devices and performing teh upgrade.
• Assisted in teh architecture, evaluation and recommendations related to purchasing and installing hardware, software related to IP Networking.
• Monitored network traffic and developed capacity planning initiatives, making necessary recommendations for additional resources or hardware.
• My responsibilities also include writing and executing Test Plan, Desk level procedures and Test Case Documents for smooth network operations.

Confidential, Jersey City/NJ

Network Engineer

Environment: Cisco routers 7200, 3800, 2800; Cisco Catalyst switches 6500, 4500, 3500, 2900; Cisco PIX Firewalls 535, 525 Routing Protocols OSPF, BGP ; STP, VTP, VLAN ; VPN, MPLS, HSRP, GLBP; Cisco Works; MS Visio.

Responsibilities:

• Configuration and troubleshooting on HSRP, VRRP, GLBP, RSTP, MST related issues coming in network environment
• Experience working on Network design and support, implementation related internal projects for establishing connectivity in various field offices and Datacenters
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Responsible for service request tickets generated by teh halpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support
• Configuring RIP, OSPF and Static routing on JuniperM and MX series Routers
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Provide front-line management of day-to-day operations in Operations Center.
• Provided network consulting services to customers deploying DSL networks.
• Upgrading WAN link using PPP Multilink and by implementing Cisco WAAS
• Configuring HSRP between teh 3845 router pairs for Gateway redundancy for teh client desktops.
• Responsible for identifying, specifying and verifying network equipment needs including IP routers, switches and frame-relay.
• Design, Implement & troubleshooting of Juniper, Cisco switches and routers.
• Performed Network operations by health monitoring using NMS such as solar winds and wire shark, issue and incident resolution using ticketing system and workflow software.
• Scheduled preventive maintenance for fire-protection systems, including new protocol.
• Utilize MS Windows, Word, and Excel for reporting/documenting process.
• Ensure problems are satisfactorily resolved in timely manner with focus on providing a high level of support for all customers.
• Prepared engineering documents and network diagrams in Microsoft Visio. Deliver departmental efficiency through advanced engineering, technical support, and documentation procedures.

Confidential ., Roswell, GA

Network Support Engineer

Responsibilities:

• Responsibilities included taking care of teh IP Addressing in teh organization dat included designing new subnets based on teh requirements.
• Involved in implementing & Designing teh switched network. Configured STP, VTP and DOT1Q in switching network. Created Vlan & Inter-Vlan Routing with Multilayer Switching.
• Configured and Maintained TACACS for AAA. LAN Cabling in compliance of CAT5 standards.
• LAN Cabling in compliance of CAT5 standards. Assisted in Troubleshooting LAN connectivity and hardware issues in teh network of 100+ hosts.
• Maintained Redundancy on Cisco 2600, 2800 and 3600 routers with HSRP.
• Performed RIP, EIGRP routing protocol administration.
• Involved in monitoring teh performance of teh network, theirby identifying teh bottlenecks in teh network, troubleshooting teh connectivity problems using Ping, Trace route, and Telnet.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Worked on troubleshooting customer related issues related to router configuration, L1/L2 issues.
• Daily responsibilities included monitoring network connectivity, administration of teh remote location, assisted in design guidance for infrastructure upgrade.