SUMMARY

• Cisco Certified Network Associate (CCNA) with 6+ years of professional experience in Network Planning, Implementing, Configuring, Troubleshooting and Testing of networking system.
• In - depthCisco technologyexperience/noledge in design, implementation, administration and support.
• Strong hands on experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like7K, 5K, 2Kseries, Cisco router models like7200, 3800, 3600, 2800, 2600, 2500, 1800series and Cisco catalyst6500, 4500, 3750, 3500, 2900series switches.
• In-depth noledge of deploying and troubleshooting Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), ACL\'s, NAT, VLAN, STP, VTP, HSRP, VRRP and GLBP.
• Expertise in configuration & troubleshooting of routing protocols and deployment of OSPF, EIGRP, BGP, MPLS, IP Multicast.
• Proficiency in supporting Enterprise Level LAN, MAN and WAN Networks.
• Expert in Implementing and Configuring WAN Technologies: PPP, Frame Relay, Leased Lines and MPLS.
• Proficient in Implementing MPLS over OSPF, BGP and VPN for secured connection.
• Widespread acquaintance to Network troubleshooting, maintaining Network devices, implementing and accomplishing Networking Projects under ITIL Standards.
• Proficient with Juniper JUNOS device configurations as Juniper Routers and Juniper switches.
• Configuring BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Experienced in working with DATA-CENTER Nexus 7009, 7018, 5548P, 5596T, 2148T, 2224T, 6000 switches.
• Ensure Data Center operation success through network, server, and infrastructure monitoring and troubleshooting.
• Experience with configuring Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5000.
• Design and implement Spanning-Tree Feature -Port Fast, Backbone Fast, Uplink Fast Loop Guards, BPDU Guards, and Root Guard’s.
• Widespread work proficiency in advanced TCP/IP Management, IP Addressing & Subnetting VLSM, Route Summarization, Route Redistribution and NAT/PAT.
• Configuring BGPv4, BGP Path Attributes, and Route Reflectors for an ISP transit network.
• All-encompassing execution& configuration proficiency of firewalls as Cisco PIX (515/535/525), Cisco ASA Appliance ASA 5510 and Pala Alto Security devices.
• Strong hands on experience onPIX (506, 515, 525, 535), ASA (5505/5510)Firewalls and
• Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS) and deploying GRE Tunnel.
• Wide spread Knowledgeable with Security technologies i.e. Firewalls, VPN, IDS, IPS, 802.1x, Internet Proxy etc.
• Expert in Cisco IOS and Junos-OS upgrades.
• Good understanding and hands on experience configuring AAA-authentication, authorization, accounting, IPSEC and Configuring IP Access Control Lists,
• Hands on experience on Power over Ethernet (POE) and Ether Channel.
• Configuring F5 Load balancer LTMs and GTMs to isolate traffic from the web servers.
• Proficiency in Infoblox to work on DHCP, DNS, & IP Address Management in sizeable enterprise organizations.
• Good noledge and experience in Installation, Configuration and Administration ofWindows Servers 2000/2003, Active Directory, FTP, DNS, DHCP, TFTP, Linux OSunder variousLANandWANenvironments.
• Experienced inCisco Unified Communications Manager (CUCM), CTIOS, Call Manager Express (CME),Cisco Unity Express(CUE),voice gateways(MGCP, SIP, H323), and voice applications.
• Experience in Network Management Tools and sniffers like SNMP, Wire shark and Cisco works to support 24 x 7 Network Operation Center.

TECHNICAL SKILLS

Networking Equipment: Cisco 2500,2600,2800,3600,3800,7200,7600 series routers, Cisco 1900,2900,3550,3750,4900,6500 series catalyst switches, Nexus 7k,5k,2k, Juniper Devices, F5 Load Balancer

Routing Protocols: RIP v1 & v2, EIGRP, OSPF, BGP, IS-IS, HSRP, VRRP and GLBP.

LAN technologies: Ethernet/ Fast Ethernet/ Gigabit Ethernet networks, VLANS, VTP, STP,RSTP, 802.1q

WLAN Technology: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, DS1, DS3, OC3,T1/T3 & SONET

Network Security: IPsec, VPN Configuration,, ASA 5505, 5510 Firewalls, NAT/PAT, IDS/IPS, Ethereal, Internet Content Filtering, DHCP SNOOPING, IDS/IPS, URL Filtering -Web-sense,, SSL, IPSEC, IKE, Static, Dynamic, Reflexive ACL, and authentication AAA(TACACS+ & RADIUS)

LOAD BALANCERS: BIG IP F5 LOAD BALANCER,INFLOBOX,CISCO ACE

VOIP: H323, SIP, and MGCP,ACD, IVR

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

Communication Protocols: TCP/IP, IPv6, ARP, VLAN (802.1q, ATM), PPP, HTTP, SSH, Frame Relay, MPLS, 802.11.

Communication Concepts: VPN, Multicasting.

Platforms: Windows 98/XP/VISTA, PlatformsCisco IOS(11.x, 12.x), PIX IOS(6.x, 7.x), CAT-OS, UNIX, LINUX, Windows

PROFESSIONAL EXPERIENCE

Confidential, Colorado Springs

Network Engineer

Responsibilities:

• Configuration and Administration of Cisco and Juniper Routers and Switches.
• Robust understanding of diverse routing protocols including RIP, IGRP, EIGRP, OSPF & BGP.
• Administration and diagnostics of LAN and WAN with in-depth noledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Configuring VLANs and implementing inter VLAN routing.
• Upgrading and troubleshooting Cisco IOS to the Cisco Switches and routers.
• Configure and troubleshoot Juniper EX, SRX, QFX series switches and routers.
• Configuring Site to Site to VPN connectivity.
• Configure VDC and VPC on Nexus 7010 and Nexus 5596.
• Configured and managed Nexus 2248 and 2400 series of wireless controller.
• Nexus platforms - 6004, N3048. N3064, 5596, 3132.
• Involved in configuring Cisco Net flow for network performance and monitoring.
• Involved in configuration of Cisco 6500 switches.
• Involved in monitoring Cisco APIM Enterprise Module for the infrastructure.
• Involved in Implementing, planning and preparing disaster recovery.
• Configuring Communications Server & Security using PIX, including configuration of the AAA.
• TEMPEffective design of QOS for WAN links (MPLS/VPLS).
• Systems monitoring and maintenance, resolution and troubleshooting using Infoblox.
• Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling
• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
• Securing network access with Cisco Secure (RADIUS/ TACACS+)
• Analyze equipment’s and perform repair as per requirement in Data Center.
• Install network gear, servers, and cabling to meet customer and company needs. Act as first line of defense for Data center crisis including natural disasters, fires and power failures.
• Responsible for providing on-site support including the receiving, inspecting, tracking, installation, configuration, documentation, and support and troubleshooting of technology equipment. This includes, server builds and configuration, network equipment, storage systems, and cabling within the Data center environment.
• 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
• Responsible for managing activities, Upgrading IOS and OS - Upgrading hardware and installing new devices, Tuning (Configuration), make standardization for the topology.
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPsec/GRE to VPN.
• Troubleshooting the issues and outages on Trunks and Router interfaces comprehensively.
• Provided technical assistance for LAN/WAN management & troubleshooting.
• Experience in Troubleshooting VOIP network and others operations controller.
• Configured and maintained Cisco Call Manager, CTIOS, Unity and related Cisco Unified Communications configurations.
• Configuring STP for loop deterrence and VTP for Inter-VLAN Routing.
• Responsible for configuring and Troubleshooting PALO-ALTO Firewalls and related Palo-Alto security Technologies.
• Installing and configuring Routers, Bridges, Terminal Servers and CSU/DSU’s to support WAN links
• Product analysis and support for Access-layer switches such as Cisco 4510, 4948, 4507, distribution layer switches such as 6513, 6509, 6504 and a routed core.
• Setting VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.

Environment: Cisco Routers 7600, 7200, 3800, 3700, 2800,2500; Cisco Catalyst switches:6500, 4500, 3500, 3750,3850,2900; Nexus 7k,5k,2k,JUNIPER routers and switches; Cisco PIX Firewalls 535, 525; Cisco ASA 5550, 5520; VTP, VLAN and 802.1Q trunking; Routing Protocols; OSPF, BGP; Load Balancer: Big-IP F5,Cisco ACE,INFLOBOX VOIP protocols: SIP and MGCP ;Sniffer tools: Ethereal and Sniffer Pro; Wire shark, MS Visio.

Confidential, WA

Network Incident Engineer

Responsibilities:

• Working as a part of a team to manage Confidential Network Incident engineering.
• Proactively monitoring availability and performance of the Confidential network and infrastructure using key tools.
• TEMPEffectively respond to Monitoring alerts, incident tickets, and email requests handled by Confidential Operations Center.
• Perform application and web site troubleshooting to quickly resolve the issues per documented procedures.
• Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues
• Configuration of NAT.
• Good experience on troubleshooting CISCO Nexus switches like 7000 and 5000 series.
• Involved in the Team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the organization requirements.
• Troubleshooting and Configuring of Various routing protocols like BGP,OSPF, RIP and switching
• Protocols like STP, RSTP.
• Configured Cisco 7600, 7200 series routers for MPLS VPN connectivity and VRF tables on Edge routers for customer usage of the MPLS network.
• Configured HSRP and VLAN Trunking 802.1Q, VLAN Routing using MSFC on Catalyst 6500Switches.
• Responsible for troubleshooting and implementing JUNOS on the juniper products.
• Implementing the MOP on the network devices and doing the smoke test to ensure the smooth implementation.
• Ensure user tickets and monitoring alerts are handled per pre-defined SLA''s for response time, updates and closure.
• Installation and troubleshooting T1’s, Ethernet connections with different ISP’s using routing protocols OSPF, BGP
• Escalate issues as needed to back line production operations teams or Engineering per documented procedures.
• Handling communication and notification on major site issues to the company and executive management team.
• Document resolution run books and standard operating procedures.
• Ensure smooth hand offs between shifts.
• Assisting in tracking bugs and gathering specific technical information to be given to the developers.
• Open/Track trouble tickets with various service providers.
• Work closely with all technical teams to improve strategies that will increase reliability, availability, and uptime for services.
• Good experience on troubleshooting and implementing MOPS on the juniper products like MX960 etc.

Environment: JUNIPER routers and switches; Cisco Routers 7600, 7200, 3800, 3700, 2800; Cisco Catalyst switches 6500, 4500, 3500, 2900; Cisco PIX Firewalls 535, 525; Cisco ASA 5550, 5520, PALO ALTOFIREWALLS; VTP, VLAN and 802.1Q trunking; Routing Protocols OSPF, BGP, EIGRP; LOAD BALANCERS: BIG-IP F5, VOIP: SIP; CISCO UNIFIED COMMUNICATIONS, CISCO CALL MANAGER, Sniffer tools: Ethereal Wire shark, MS Visio, and Sniffer Pro;

Confidential, TX

Network Engineer

Responsibilities:

• T Mobile performs Tier 2 Operations and team owns over 12,000 switches and routers throughout the USA.
• Was responsible to do the configuration, Monitoring, administration of BIG-IP (F5) Load balancers both external and internal.
• Configured routing protocols like EIGRP, OSPF & BGP and troubleshooting layer3 issues.
• Was responsible in creating MOPS for various projects and successfully execute them in the mean period.
• Planning and implementation of IP addressing scheme using Subnetting, VLSM.
• Responsible to create and assign trouble tickets to other team members in T mobile.
• Responsible in updating the missing circuit paths in the GRANITE where the company’s circuit paths are located.
• We had IP Control where we get the information of every device if we type in the IP address on the particular device.
• Has good hands on experience with testing, replacing the cables between the two devices.
• Worked day on call and night on call once every month and was responsible to handle any outage calls for that week.
• Was responsible in IOS upgrade of CISCO switches and routers which are owned by our team.
• Implementing Checkpoint firewall.
• Responsible to make the CISCOTAC cases and see that the faulty devices are replaced with in 4 to 10 hours of its failure.
• Was responsible to create Visio diagrams for some particular networks.
• Provided technical assistance for LAN/WAN management & troubleshooting and complex customer issues using Network monitoring tool’s such as Solar winds.

Environment: Cisco Routers:2600, 2800, 3600and 7200 series, Cisco Switches: Cat 3560,3750,4500 and 6500 series; Cisco PIX 525,535, ASA 5510, 5520, 5540, 5550, ASDM, Cisco VPN 3000 Series Concentrator and FWSM module Firewalls; Routing protocols RIPv2, EIGRP, OSPF and BGP; Switching Protocols STP, VTP, RSTP and VLAN; Firewall Security Protocols like NAT, PAT,IPsec, GRE, VPN; LAN technologies like Ethernet, Fast Ethernet, Gig Ethernet and Fiber Optic.

Confidential

Network Engineer

Responsibilities:

• Assisted in troubleshooting LAN connectivity and hardware issues in the network.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed OSPF, BGP routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems on a day to day basis; provide solutions to fix the problems.
• Applying policy rules in Checkpoint firewall
• Implemented WAN/Core based on MPLS on Optical Sonnet infrastructure.
• Designed a test manual and automated test cases are perform the over Network testing tool IXIA and Spirent.
• Automate test cases for carrier grade, provider Edge and Core Routers. Validate the IP/MPLS features are consistent with client’s design and behave as expected in a multi-vendor, scaled environment
• Configure the access-list and patch on the Juniper router and Firewall for customer support.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Managed the IP address space using subnets and variable length subnet masks (VLSM).
• Worked along with the team in ticketing issues; responsibilities included documentation and support other teams.

ENVIRONMENT: Cisco Router 7500,7200,3800, Juniper Routers, Checkpoint Firewall, Cisco Catalyst 6500 series switches,4500switches,BIGIPF5networks,MPLS,VLSM,OSPF,BGP routing protocol.

Confidential

Network Engineer

Responsibilities:

• Configured Cisco routers 3800 series routers for Clinics and 7600 series routers at DC and DR. I also worked on Cisco 3750, 4500 & 6500 Switches.
• Configured BGP neighbors with different Vendors to connect to our Vendor Gateway. Configuration included creating of neighbor, peer groups, Local Preference and ASS Path manipulation.
• Configured EIGRP as the main IGP in the network. Maintenance involved troubleshooting of EIGRP for network related issues.
• Configuring and troubleshooting routing issues related to protocols EIGRP and BGP.
• Managing and working with IP security Tunnels between vendor Sites.
• Maintaining and providing technical support for Layer 2 and layer 3 devices in the network.
• Configuring and troubleshooting VLAN, STP, VTP, HSRP & TRUNKING in enterprise switched environment.
• Making configuration change recommendations for routers, switches and firewalls.
• Performed day to day network operations using Remedy tool for ticketing system and change management.
• Attending managerial and technical meeting to discuss current progress of the projects.
• Creating the detailed design drawing of the site, which are under up-gradation and getting validated from the technical design team.
• Creating detailed documentation of the networks implemented.

ENVIRONMENT: Cisco Router 7600, 3600, Cisco 3750, 4500 & 6500 Switches, STP,VTP VLAN,HSRP,VLSM, RIP, IGRP, EIGRP, OSPF routing protocols.