OBJECTIVE

Certified CCNP Network Engineer with extensive experience in supporting global networks, telecommunication industry and data centers in Cisco and Windows environments and working towards becoming CCIE.

SUMMARY:

• CCNP Certified Professional with over 6 years of experience in routing, switching, implementation and troubleshooting of complex network systems.
• Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF and BGP.
• Strong knowledge on Wireless standards and technologies, e.g., Ethernet, WAN, LAN, IEEE 802.11 Wi - Fi etc.
• Working experience with CISCO Switches 3750 stack series .
• Working experience with CISCO Routers 0 .
• Working experience with 6500 series switches at layer 2 and layer 3. Implemented 6500 VSS for improved efficiency and high bandwidth availability in Lab Environment.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token ring, ATM, bridges, routers, hubs and Switches.
• Enterprise Switching with VLANs, Trunks, Spanning Tree, Port Spanning.
• Switching tasks include VTP, ISL/ 802.1q, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• Experienced in configuring protocols HSRP, GLBP, PPP, PAP, and CHAP.
• Configured Security policies including NAT, PAT, VPN, Route-maps, prefix lists and Access Control Lists.
• Experience in installing and configuring DNS, DHCP server.
• VoIP Cisco Call Manager Install/Support
• Knowledge of Cisco Firewall PIX/ASA.
• Built stable, productive and profitable operations within highly technical environment.
• Strong analytical, problem solving, technical troubleshooting, decision-making, customer-service skills. Results-driven.

Technical Skills Summary

• Network Technologies: Cisco IOS, Ethernet, Fast Ethernet, Subnetting, IPV4, IPV6, WAN, LAN, TCP/IP, CDP, RIP, RIPv2, OSPF, EIGRP, BGP, LACP, Spanning Tree Protocol STP, MLS, VTP, VLAN, VPN, STP, SVI, CEF, GSM, GPRS, EDGE, WIFI, DSL, FIOS, T1, T3, FXO, PRI, MPLS, SNMP, AAA, Frame-relay, PPP, Access Control List ACL, Sniffers Sniff View, Wire Shark, SRST, Melody Line, Quality of Service QoS .
• Routers/Switches: CISCO 2800, 2900, 3600, 7600, CRS-1 and more,
• OSPF,EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution
• Summarization, Static routing. VLANs, Dot1Q,, VTP, STP,
• RSTP VLAN Maps, HSRP, GLBP, CEF, DCEF, Port Security
• LAN/WAN Technologies: Ethernet, Frame relay, HDLC, PPP, T1, T3, OC
• Standard, ISDN
• Protocols: IP, TCP, UDP, ICMP, NAT, DNS, DHCP, SNMP, IPSEC, SSL,
• HTTP, SSH
• Wireless Standards: Ericsson GSM, GPRS, TDMA, FDMA, CDMA, CDMA,
• CSMA/CD, Cognitive Radio, IEEE 802.11 Wi-Fi, ZigBee,
• Bluetooth, Access point, Sensor Networks.
• Others: DHCP, IGMP, CGMP, SNMP, RTP, TelNet, DNS, ARP, RARP,
• VoIP
• Desktop Technologies: UNIX, LINUX, WINDOWS 98/2000/XP/VISTA/7
• Programming Language: C/C .

Software

Microsoft Office Applications Word, Excel, Outlook, Access, Visio, PowerPoint Sun Solaris, Lab View, Data Structures, C language, Adobe, Dreamweaver, Macromedia, MS Windows NT/2000, Windows XP/Vista, MSDOS, UNIX, Cisco IOS.

Hardware

Cisco Catalyst Switches, Routers, Speed stream, Avaya VoIP phones, Cisco IP 796X/794X, Network Analyzer, Cathode Oscilloscope, Signal generator, Curve Tracer, Spectrum Analyzer

PROFESSIONAL EXPERIENCE

Confidential

Technical Consultant

• Worked on up gradation of Cisco WAP, Wireless controllers, and troubleshooting it.
• Work with network security team to install, connect, and operate firewall hardware and software in a lab environment.
• Performed as an expert on the most complex network equipment's, advance firewall administration, enhanced data traffic transmission, and high-level IP scheme.
• Assist with design and documentation of IP addressing.
• Supported administration of network LAN/WAN, VPN, wireless and remote access .
• Implementation and testing of LAN/WAN designs in a lab environment, and the creation of documentation necessary for deployment.
• Provided Operational Support and Engineering for a highly available, scalable, and secure LAN/WAN infrastructure that meets the business and connectivity requirements.
• Work on different Object groups in ACL for Auditing of IP address allocation and made documentation on IP address allocation for customers.
• Working on network devices such as Switches Cisco Catalyst 3550 and 3750 Switches, Routers Cisco 2600, 2800 Series, Firewalls ASA 5505 etc.

Confidential

Network Administrator

• Involved in Network Redesign for branch, for data environment.
• Performing BGP Changes on branch router and head-end router
• 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
• Replace network hardware with new 7200 routers and 3825 switches in all branch locations
• Design and implementation of GRE for multicast and unicast communication on an existing IP VPN.
• Experience on designing and troubleshooting of complex BGP and OSPF routing problems.
• Involved in designing and implementing QOS and policy map to 3800 series routers for all the branches.
• Worked closely with network monitoring staff and will do network design testing/certification prior to production implementation.
• Implements configurations and implementation instructions into change management system and insures that all approvals and processes are adhered to compliant with Audit.
• Worked on Layer 2 protocols such as VTP, STP, RSTP, PVST, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
• Experience in branch relocation: connect workstation, servers etc. Rack and stack pre-configured new hardware and connect the circuits. Worked with carrier to test and turn-up circuits.
• Participated in Network Security restructure redesign re-distribution Internet hosting spanning tree Cisco 2600, Cisco 3600, dual 4 port Cisco PIX 520 Firewall.
• Participated in projects of Network Architect Redesign Analysis Migration Testing of Cisco 2600, Cisco 3600, Cisco Works, DSL, DHCP, NAT, Proxy.
• Provided networking assistance to users, including troubleshooting network and applications performance problems.
• Worked with carriers like AT T, Verizon, Wind stream and Level3 for deploying WAN circuits.
• Performs system level documentation on platforms and assists in project tracking and documentation. Experience with developing network design documentation and presentations using VISIO. Troubleshoots with problems regarding the network changes and migrations.

Environment: Cisco 6500, 3560, 3548, 2950, 2960 series switches Cisco 7200, 3800, Change management tools

Confidential

Network Administrator

• Working on Cisco 6500 and 4500 switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.
• Supporting BGP based company network by resolving level 3 problems of internal teams and external customers of all locations.
• Utilized professional concepts and company policies/ORB to implement a diverse range of architecture solutions in our production environment. Lead the development and implementation of pro-active IP network monitoring suites and alerting tools.
• Handling network devices such as Switches Cisco Catalyst 2900 and 3500 series, Routers Cisco 2600, 2800 and 7200 series, Firewalls, Load balancers, etc.
• Involved in effective communication with vendors, peers and clients in resolution of problems, equipment.
• Worked extensively in configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning configuring VLANs/routing/NATing with the firewalls as per the design.
• Engineered using: Cisco IOS, T1, ISDN, DHCP, ACL's, VLAN's.
• Operating Systems: Mac OS X, Microsoft Windows 2000/XP/NT, Cisco IOS, and Putty.
• Protocols: ATM, Frame Relay, TCP/IP, IPSec, VoIP, PPP, EIGRP, RTP, DHCP, DNS, SSH, SFTP, FTP, UDP.

Confidential

Network Engineer

• Monitor performance of network and servers to identify potential problems and bottleneck.
• Provide front-line management of day-to-day operations in Operations Center.
• Worked on 4500 Catalyst switches for the purpose of LAN requirement and for troubleshooting LAN issues.
• Involved in troubleshooting of DHCP and other IP conflict problems.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation link negotiation.
• Involved in new Branch network systems. Resolved network issues, ran test scripts and prepared network documentation.
• Performed RIP OSPF routing protocol administration.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Troubleshoot problems on a day to day basis provide solutions that would fix the problems within their Network.
• Maintenance and Troubleshooting of LAN connectivity problems using Ping, Trace route.

Network: TCP/IP, PPP, DSL, NAT Cisco Router configuration, Firewalls.

Confidential

Network Engineer

• Responsible for client's new branches turn up and managing the network environment.
• Installation of Operating Systems, application software's and Troubleshooting hardware issues
• Management of WAN, connected over Frame relay and DSL
• Management of Pix Firewall, Cisco Routers and switches infrastructure
• Configuration of routers and switches for OSPF, EIGRP, VLANs, STP, Trunks, Ether Channel, Load Balancing
• Configuration of Routers and Firewalls for site-to-site IPSEC VPN tunnels
• Integration of Cisco IP-Phones with Switches in VLAN environment
• Policy configuration and management of firewalls
• DNS changes as per client requests
• Planning about new product requirements, Contacting Vendors for product purchases
• Contacting Service providers to troubleshoot issues on WAN connectivity
• Involved in planning and designing team for network upgrades/changes
• Configuring NAT Policies, Global VPN Client Policies
• Establishing Site-Site VPN Connections
• Maintenance of DHCP Server.
• Enabling high-availability and high-capacity features such as Spanning Tree and link aggregation on Switches
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and all around technical support
• Basic Configurations and Maintenance of various Switches, Routers, Firewalls and Wireless Access Points at different client locations
• Responsible for interaction with third party technicians on site
• Performed network support involving daily wiring maintenance of cabling, switch maintenance, network port re-enabling, and cable room
• Documentation of all new software installation procedures, troubleshooting procedures
• Responsible for implementation of new network infrastructure includes Cabling, Switching, Routing
• Establishing MAN Connectivity between their different braches
• Involved in Loop back tests and troubleshooting issues during establishment of T1 Line
• Dynamic VLAN implementation using IEEE 802.1x protocol and RADIUS Server
• Integration of Active Directory Services ADS with RADIUS Server and creation of remote access polices on RADIUS
• Implementation of Access Control Lists ACL's QoS
• Implementation of Port-fast on all access switches and setting bridge priorities on L3 Switches

Environment: Cisco 2900, 3560, 1800, 3700, 3800, 7200, 2900, 3500

Confidential

Network Engineer

• Perform OSPF, BGP routing protocol administration.
• Router memory IOS upgrade with TFTP
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and all around technical support.
• Ensure network, system and data availability and integrity through preventative maintenance and upgrade.
• Configured and debugged policy based routing for special traffic, route filtering with route maps, route redistribution.
• Configure VLAN Trucking 802.1Q, STP, and Port Security on Catalyst 6500 switches.
• Install and maintain routers and switches in various network configurations supported VLANs, and advanced ACL.
• Maintain prepare Network drawings of all major Data Centers operational sites.
• Network cabling, dressing, labeling and troubleshooting network drops onsite.
• Working on Network support and implementation related internal projects.

Network Support Engineer

Confidential

• Provided technical support on hardware and software related issues to remote production sites.
• Configured EIGRP for Lab Environment.
• Created VLAN and Inter-VLAN routing with Multilayer Switching.
• Responsibilities included configuration and installation of software and hardware.
• Provided desktop support including creating images specific to client requirements and deal with issues pertaining to hardware and application.
• Designing solutions as per company requirements using Cisco Routers and Switches.
• Participate in on-call responsibilities in support of a seamless production environment.
• Performed the installation, configuration and testing of LAN/WAN devices.