SUMMARY

• A comprehensive and a committed Networking Professional with around 7 years of industrial experience in areas concerned with network design, implementation, operations and troubleshooting enterprise data networks.
• Experienced working knowledge Cisco Catalyst 2960, 3560, 3750, 4500 and 6500 series switches.
• Proficiency in configuring Layer 2 technologies includes configuring Virtual Local Area Networks (VLANS) on Cisco routers and multi - layer Switches, STP, RSTP, PVST, RPVST and MSTP.
• Comprehensive Troubleshooting of VTP, inter- VLAN routing and VLAN Trunking using 802.1q.
• Implemented Port Security and switch link aggregation using Port channel/Ether Channel.
• Working experience on Nexus 2K, 5K & 7K series switches.
• Expertise in configuring Layer 3 routing protocols - deployment of RIP, EIGRP, OSPF & BGP over Cisco Routers in a Production environment.
• Hands on experience with 2600, 2800, 3600, 3800, 3900, 7200 and 7600 series Routers.
• Hands on experience on configuring Cisco ASA 5540, 5580 & AAA authentication.
• Hands on experience on configuring Palo Alto PA 500, 7050
• Knowledge in implementing and configuring F5 Big-IP LTM-3600 load balancers.
• Deployment of GRE tunnel, VPN - remote access, Site-Site IPSEC VPN.
• IOS upgrades on routers and switches and Port Configuration changes.
• Maintaining and updating inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP.
• Trouble shooting the network infrastructure based on the incidents using Service Now Incidence Management system.
• Good command on Linux Operating System and understanding of SME server.
• Good command on BASH scripting.

TECHNICAL SKILLS

Network Configuration: Cisco IOS access list, Route redistribution/propagation

Routing Protocols: IGRP, EIGRP, OSPF, BGPv4, MP-BGP

WAN Protocols: HDLC, PPP, MLPPP

Circuit switched WAN: T1/E1 - T3/E3/OCX (Channelized, Fractional & full).

Packet Switched WAN: ATM, FRAME RELAY, MPLS VPNs

Security Technologies: Cisco FWSM/PIX/ASA, Checkpoint, Palo Alto

Cisco Routers: Cisco GSR 12416, 12418, Cisco 7200vxr, Cisco 3640, Cisco 3600

Redundancy and management: HSRP, RPR, NSF/NSR

Physical interfaces: Fast Ethernet, Gigabit Ethernet, Serial, HSSI, Sonet (POS)

Layer 2 technology: VLAN, VTP, VMPS, ISL, dot1q, DTP, Spanning-tree, PVST

Layer 3 Switching: CEF, MLS, Ether Channel

Switches: Catalyst 6500, MSFC, MSFC2, 7600, 3700, 3500Nexus 1000v/ 2000/3000/5000/7000

Operating Systems: Linux, Windows

Scripting: BASH

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Network Engineer

Responsibilities:

• Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• Advanced TCP/IP Management, IP Addressing and Subnetting VLSM, Route Summarization, Route Re-distribution along with NAT/PAT.
• Experience with convert checkpoint VPN rules over to the Cisco ASA solution.
• Have used as Network analyzer Wireshark and TCP Dump for packet sniffing.
• Migration with both Checkpoint and Cisco ASA VPN experience.
• Good knowledge in configuring IPS/IDS blades on Checkpoint firewall.
• Building the VPN tunnel and VPN encryption.
• Configured asterisk voice server using command line Interface including IP phones VoIP .
• Configured CIDR IP PPP, BGP, MPLS and OSPF routing.
• Assisted in MPLS migrations, implemented a backup for the existing WAN connection using site-to-site IP Sec VPN tunnels.
• Configuring ASR9k compatible with IOS XR software.
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, BGP v4. Configured IP access filter policies.
• Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
• Worked with installation of Palo Alto firewalls.
• Migration of Palo Alto firewalls from ASA.
• Implementation of TCP/IP & related Services-DHCP/DNS/WINS
• Experience in Configuring, upgrading and verifying the NX-OS operating system.
• Deploying IDS/IPS in Promiscuousmode and inline mode as per therequirement and monitoring the networktraffic & customizing the signatures.
• Good experience on BASH scripting with Asterisk VoIP phones.

Confidential, Sunnyvale, CA

Network Engineer

Responsibilities:

• Piloting one-on-one and minor group Computer seminar to clients on a weekly basis.
• Configuration and maintenance of Cisco 2500, Exchange 5.5, Backup and virus protection.
• Configuring Cisco Routers (2500, 3000 and 4000) using RIP, IGRP, OSPF, EIGRP. And Catalyst 3750, 3650, 4K switches.
• Configuring F5 Big-IP LTM and GTM. Responsible for troubleshooting of F5 load balancers.
• Advanced Switch Configuration and Management, Spanning Tree Protocol (STP), Virtual LANs, VLAN Trunking Protocol (VTP).
• Extensive knowledge on Wi-Fi Security and 802.1x standard.
• Implemented and manage Windows 2000/NT network on a daily basis.
• Implementing Windows 2000 Active directory, DNS and Internet Information Servers.
• Analyzing and providing security with the latest Black ICE Server software.
• Offer Internet connectivity, e-mail support and training to clienteles.
• Provide project management for current and new consulting clients.
• Responsible team member to troubleshoot the problems from indoor 802.11n Access point Cisco Aironet 1600, 2600 and 3500 wireless controller series.
• Trained and supervised two junior Network Engineers.

Confidential, Peoria, IL

Network Engineer

Responsibilities:

• Played responsible role for implementing, engineering & level 2 support of existing network technologies / services & integration of new network technologies / services.
• Worked on Client based VPN technologies includes Cisco’s VPN client via IPSEC.
• Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment lab.
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network.
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Implemented port aggregation & link negotiation using either LACP or PAGP.
• Managing tickets and directing changes accordingly and prioritizing any changes if necessary.
• Performed changes based on customer request related to adding/disabling pools or pool members.
• Working on various tickets related to load balancing issues and adding/changing virtual IP-addresses/virtual servers if necessary.
• Providing technical assistance for LAN/WAN management and complex customer issues.
• Providing support for troubleshooting and resolving customer reported issues.
• Worked as part of a team for Cisco Product Support. Troubleshooting by providing relevant knowledge base articles and other information. Installation and Configuration of LAN (Ethernet)/ WAN set up for Clients. Design, configuration and Installation of Cisco routers 3600 and catalyst switches 6500, 3700.

Confidential

Support Engineer

Responsibilities:

• Providing technical assistance and support to Cisco customers on 2950, 7600, 7200 and GSR routers.
• Worked on Cisco Layer 2 switches spanning tree, VLAN, QoS
• WAN Infrastructure running OSPF & BGP as core routing protocol.
• Support various Routers like 2600/3600/7200/7200 VXR and 12416, 12816 series routers.
• Worked on Cisco GSR, Cisco 7200a VXR and Cisco 7600 series routers.
• Experience through Hand-on Experience with configuring T1.5, Gigabit Ethernet, Channelized T3 and full T3, OCX, ATM, Frame-Relay.
• Experience in configuring CSU/DSU devices and also helped troubleshooting various CSU.DSU devices
• Influencing the routing in the core by setting the value of MED by the CE and via Local Preference value; as set by the PE depending on community set by the CE, Load Balancing for dual homed CE
• Configured and troubleshoot OSPF, BGP, and EIGRP.
• Troubleshooting IOS related bugs based on past history and appropriate release notes
• Work on different connection medium like Fiber and Copper Connectivity.
• In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems
• Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the routers
• Performed and Technically documented various test results on the lab tests conducted
• Planning and configuring the entire IP addressing plan for the clients’ network.
• Assist the certification team and perform configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, Gigabit Ethernet;
• Routing protocols such as RIP, OSPF, EIGRP & BGP
• Supported networks which are comprised of 2000+ Cisco devices.

Confidential

Trainee/Junior System Administrator

Responsibilities:

• Provide operational support across multiple hardware platforms like Windows server 2003/ Exchange server.
• Handled Day-to-Day trouble shooting for the end users on windows and Exchange related issues.
• Troubleshooting issues related to MS Outlook
• Perform Operational tasks such as monitoring log files, CPU, memory, I/O, and paging space.
• Assisted in configuring new network infrastructure for their branches.