PROFESSIONAL SUMMARY:

• Over 7+ years hands - on experience in designing & implementing inter-networks using Cisco Products and Design schemes for IP addressing & Subnetting. Experience in IP Routing with BGP, OSPF, EIGRP, IGRP, RIPv1 & v2. Hands-on experience in implementing MPLS, MPLS - VPNs.
• In-depth knowledge of TCP/IP, IP protocol suite and OSI Model.
• Installed Configured:
• Cisco Routers: GSR 12000, 7600, 7500, 7200, 3800, 3600, 2800, 2600, 2500, 1800, 1700, 800 series.
• Catalyst Switches: 6500, 4000, 3550 and 2900 series.
• Working knowledge of various firewalls including Cisco ASA 5500 series, Cisco PIX 500 series.
• Good working knowledge of Cisco Works.
• Proficient in designing networks with MS Visio.
• Worked with load balancing techniques.
• Proficient in configuring, troubleshooting ACLs (Standard, Extended, and Named), Layer 2 protocols including VTP, STP, RSTP, PVRSTP+ and VLANs.
• Outstanding experience in designing and configuring of Layer 2/3 features such as VLAN, ISL, STP, RSTP, PVST, VTP, Port Security and L2PT.
• Strong experience in Configuring VLANs and implementing inter VLAN routing.
• Experience in Upgrading and troubleshooting Cisco IOS to the Cisco Switches and routers.
• Good working knowledge of authentication protocols including PAP, CHAP, WPA, TACACS+, and IPSec.
• Good working knowledge of TCP/IP, 802.x protocols, VLSM, DS0, DS1, DS3, SONET/SDH, ISDN, BGP, IPV6, NAT, VPN, Frame-relay and ATM technologies.
• Expertise in IP Addressing, Subnetting and VLSM.
• Expertise in Configuration of routing protocols likes RIP, IGRP, OSPF and EIGRP, BGP.
• Experience in Establishing of Point-to-Point WAN links and configuration of fallback options for redundancy.
• Work experience on Windows Server 2008 and Windows server 2012, Backup and Restore.
• Good team player, excellent communication skills, analytical skills, strong internetworking concepts, and eagerness to learn new technologies.

TECHNICAL SKILLS:

Hardware: Routers, Switches, Bridges, Modems, Desktops, Printers, scanners.

Network Protocols: LAN/WAN, TCP/IP, VPN, STATIC, RIP, IGRP, EIGRP, OSPF, BGP, STP, ICMP.

Tools and Technologies and Applications: Dream Weaver, Wire shark, Network Diagnostic Tool, Network traffic monitoring Tool, Solar winds, Ghost, VNCviewer, Tracert, IP filter.

Security: NAT, ACL, IPtables.

Operating and Database Systems: Windows, Linux, Fedora Core, Ubuntu, IOS, MS DOS, Oracle 8i, Access.

Programming Languages: C, C++, Prolog, Core Java, VB, HTML, Java script.

System Administration: DNS, DHCP, NFS, NIS, QMAIL, SENDMAIL, POSTFIX, FTP, Apache, Samba.

PROFESSIONAL EXPERIENCE:

Confidential, Agoura Hills, CA

Network Engineer

Responsibilities:

• 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.
• Designed and implemented an IP addressing scheme with subnets for different departments.
• Involved in the design & configured a LAN using 2691 series Routers and 2950 series switches.
• Used and maintained routing protocols like EIGRP, BGP on the Routers in the network.
• Worked on MPLS connectivity using VRF id and have broad knowledge on multi-protocol label switching for (MPLS-VPN) and traffic engineering (MPLS-TE).
• Managed the LAN Switching Environment including creating and maintaining VLANs, STP, Trunking, Port Security, Vlan Security etc.
• Set up and troubleshoot secured wireless access points for broadband internet.
• Involved in configuration of WAN connection using a 3600 series Router and Frame relay method.
• Implementation of NAT with a pool of 2 public IP addresses.
• Involved in installing and configuring PIX firewall.
• Worked on migration from PIX to ASA.
• Designed and implemented DMZ for web servers, mail servers, FTP using PIX525, PIX535, ASA5550, ASA5520 also worked on Checkpoint Firewall NG/AI/ to implement network security solutions.
• Established IPSec VPN tunnels between branch offices and headquarter using ASA Firewall.
• Extensively worked on firewalls which include migration from Cisco PIX to ASA Firewalls and also worked with Juniper firewalls.
• Assisted in migrating existing server and network infrastructure from HQ to a data center for optimal functionality and management.
• Involved in Installing and Configuring a Cisco secure ACS server for AAA authentication (TACACS).
• Designed network connectivity and network security, between various offices and data center. Installed and configured routers including 1800, 2600 along with Cisco switches including 3750 and 6500.
• Involved with the Systems team to Install, configure, & maintain AD, DNS, DHCP on Windows 2000 Server, also configured a FTP server; Installed configured & maintained MS Exchange Server.
• Development and management of Cisco Nexus 7000, 5000 switches, ASA 5550 firewalls and routers, ACE Load Balancers, and other network equipment configurations in data centers.
• Install and maintain voice, video and data communications infrastructure systems and cabling.
• Used various Network sniffers like Ethereal, TCPdump etc.
• SNMP network management using MRTG and Cisco works.
• Participate in 24 x 7 incident & problem support.

Confidential, Detroit, MI

Network Administrator

Responsibilities:

• Involved in routing protocols like OSPF, BGP, and standby protocols like HSRP and VRRP application in the routers.
• Involved in HSRP standby troubleshooting and load balancing protocol GLBP, Port channel management of the network.
• Designed VLAN’s, access lists (ACL), troubleshooting IP addressing issues and Updating IOS images and other hardware installations.
• Involved in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Dealt with NAT configuration and troubleshooting issues related to access lists and DNS/DHCP issues within the LAN network.
• Involved in Configuration of Access lists (ACL) on checkpoint firewall for the proper network routing for the B2B network connectivity.
• Provisioning and troubleshooting Ethernet services, Gigabit networks and Connectivity issues with WAN types (T1, E1, DS3, and Frame relay) data circuit debugging.
• Worked on MPLS connectivity using VRF id and have broad knowledge on multi-protocol label switching for (MPLS-VPN) and traffic engineering (MPLS-TE).
• Configured firewall filters, routing instances, policy options, on Juniper m320 an d T640.
• Dealt with the escalation problems from Level1, Level 2 & Level 3 for routing, switching and WAN connectivity issues using ticketing system Remedy.

Confidential, Atlanta, GA

Network Administrator

Responsibilities

• Provided support for global network including T1/T3, ATM connections using HDLC and Frame Relay on 2600, 4000 series Routers.
• Responsible for SNMP Monitoring and Performance Tuning software.
• Designed WAN structure to prevent single point of failure in case of link failure.
• Experience in Maintenance and Troubleshooting of connectivity problems using PING, Traceroute.
• Planning and Implementation of Subnetting, VLSM to conserve IP addresses.
• Experience in configuring STP for loop prevention and VTP for Inter-VLAN Routing.
• Performing the Configuration and troubleshooting of EIGRP, OSPF, and BGP.
• Dealt with the configuration of Standard and Extended ACLs for Security.
• Been involved in providing technical assistance for LAN/WAN management and complex customer issues.
• Provided support for troubleshooting and resolving Customer reported issues.
• Performed IOS upgrades on Catalyst 3550, 2950, 1900 switches, and 3600, 2600 and 2500 routers.
• Implemented and configured routing protocols like EIGRP, OSPF, BGP.
• Experience in Troubleshooting the issues related to routing protocols.
• Managing, troubleshooting and monitoring the network using Network Monitoring tool.
• Implementing Network Security with Cisco IOS Feature Set, NAT, and Simple Network Management Protocol.
• Involved in installing and configuring PIX 515E firewall.
• Dealt with DNS, DHCP trouble shooting and other IP conflict problems.
• Implementation of name resolution using WINS & DNS in TCP/IP environment.

Confidential

Network Support Engineer

Responsibilities:

• Managed company's client network.
• Installed, configured, and maintained network equipment and devices.
• Verification of Network completion, application software installation and troubleshooting network problems.
• Configured clients systems, servers, LAN, firewall. Provided clients support on telephone and onsite.
• Managed company's network and applications and Performed verification of Network complete by vendors.
• Installed, configured, and maintained network equipment and devices.
• Conducted application software installation and mail configuration and video Conferencing.
• Responsible for troubleshooting and maintaining network, configuring routers and monitoring Network.
• Provided salutation for issues related to windows and network.
• Managed company's network and systems.
• Provided technical support and identifying and resolving recurring issues.
• Performed troubleshooting and maintaining network equipment, solving of basic Computer LAN problem.
• Provided in-house maintenance regarding hardware and software to the organization machines.
• Configured AVAYA phones and Installed network Printer. Shared folders, rights and map network drive.
• Executed software installation, mail configuration and maintained the Inventory of network device.