SUMMARY

• Over 7 years of IT work experience in Network Engineer, Network Administrator, and Network Security Engineering.
• Experienced in multiple project implementations for different clients and in - house
• Has very strong experience on Cisco routers (800, 1700, 1800, 2600/2600XM, 2800, 3600/3600XM, 3700, 3800, 7200), switches (2950, 2960, 3550, 3570, 4510R, 6500, MDS 9000 SAN, 5000 NX-OS), VPN concentrators 3000 series, ACS 4.1, Cisco PIX (501, 506E, 515/515E, 525, 535) firewalls, ASA (5505, 5510, 5520), IDS and IPS (4235, 4250).
• Experienced in Cisco Unified Communications (CUCM), Messaging and Telepresence Cisco Unity/Express (CUC), Call Manager v4.x, Cisco Media Convergence Servers 7800 series, IPCC, Fax gateways integrating VoIP, voice/analog, fax, IP Fax and web-based interfaces
• Implemented routing protocols (RIPv1/2, IGRP, EIGRP, OSPF, BGP), switching (VLANS, VTP Domains, STP, and trunking), security on devices hardening (authentication, authorization, and accounting).
• Implemented IPv4 migration to IPv6 (NAT-PT, Tunneling, etc.) and IPv6 routing protocols (RIPng, OSPFv3, EIGRP for IPv6, etc.).
• Architecture and maintained network security policies on firewalls, VPN devices and remote access technology (client IPSec and SSL VPN).
• Implemented traffic filters using Standard and Extended ACL, Distribute-Lists, and Route Maps
• Experience in SAN storage and data networks and implemented Fiber Channel and Internet SCSI protocols.
• Experience in various network traffic analysis and network management systems
• Implemented SNMP on devices to allow for network management
• QoS configuration using FIFO, Weighted Fair Queuing, Priority Queuing, Custom Queuing, CoS-DSCP Mapping.
• Familiar with Low Latency Networking and Design
• Experience testing POS and Inventory management systems
• Day-to-day administration, management, maintained and monitored network and network security devices using CiscoWorks, SDM, PDM, ASDM-IDM.
• Network planning and implementation of WAN technologies including E3, E1, T1, T3, ISDN, HDLC, PPP, Frame Relay, ATM and MPLS VPN
• Designed and implemented standardized configuration of site-to-site and client VPNs.
• Specialized in network and network security and aims to be successful in this part of IT

TECHNICAL SKILLS

Cisco Routers: (1700, 1800, 2500, 2600, 3600, 3800, 7200,7600 and ASR1004)

Cisco L2 & L3 Switches: (2900, 3560, 3750, 4500, 4900, 6500, Nexus 5K/7K)

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, SMTP, VLAN, Inter-VLAN Routing, VTP, STP, RSTP, Light weight access point, WLC

WAN Technologies: Frame Relay, PPP, HDLC, T1/T3, DS3, OC192

Firewalls: Cisco ASA

OS products/Services: DNS, DHCP, Windows (2000/2003/2008 , 2012, XP), UNIX, LINUX.

Protocols/Services: Routing Protocols (RIP v1 & v2, OSPF, EIGRP, BGP)

Gateway Load Balancing: HSRP, GLBP

Network Management Tools: Wireshark, Netflow Analyzer, NetScout, IBM Netcool, Cisco Works, Ethereal. OPNET Modeler, Manage engine MIB Browser, PUTTY

Security Server Protocols: TACACS+, RADIUS

Facilities: DS0, DS1, DS3, OCX, T1/T3

Load Balancers: Cisco CSM, F5 Networks (Big-IP)

PROFESSIONAL EXPERIENCE

Confidential

Network Engineer /Admin

Responsibilities:

• Responsible for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that includes routing protocols EIGRP
• Configured and managed Cisco access layer routers and switches.
• Support Network Technicians as they require training & support for problem resolution including performing diagnostics, & configuring network devices
• Participate in 24 x 7 incident & problem support
• Recommended Security considerations for the Intranet data center, integrating security, providing solution design details and configuration details
• Designed WAN structure to prevent single point of failure in case of link failure.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Planning and Implementation of Subnetting, VLSM to conserve IP addresses.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Troubleshooting issues and outages on Trunks and Router interfaces extensively.
• Technical assistance for LAN/WAN management and complex customer issues.
• Provided support for troubleshooting and resolving Customer reported issues.
• Worked with Network Engineer’s in the installation and configuration of firewalls.
• Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance
• Creating & applying different types of access-lists for these effects to take place

Environment: Switching, Routing, Nexus, Access-lists, Subnetting, STP, RSTP, VTP, HSRP, Port-Channel, EIGRP, RIP, PPP, HDLC. SNMP, DNS, DHCP

Confidential

Network Engineer/ Admin

Responsibilities:

• Configuring EIGRP, OSPF and Static Routing on Cisco Routers
• Design implementation and support of Networks using TCP/IP
• Configured BGP, MPLS, OSPF on 7609 router
• Configured various protocols on E911 routers
• Worked on E911 routers for various regions
• Upgraded IOS code on cisco 4900 boxes to newer code
• Upgraded Nexus-OS on Nexus7000 series routers and as well as Nexus 5000 series routers
• Upgraded SUP cards on Nexus 7000 routers
• Have written MOPs and tech-reviewed the MOPs for various platforms
• Worked as On-Call Engineer in the team.

Confidential

Network Engineer/ Admin

Responsibilities:

• Worked 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.
• Design and implementation of Networks using TCP/IP
• Configuring RIP, OSPF and Static routing on JuniperM and MX series Routers
• Worked on HP open view map for Network Management System and Ticketing.
• Worked on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercises, and core network repairs.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing, LAN security.
• Supporting EIGRP and BGP based company network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Responsible for Cisco ASA firewall administration across our global networks.
• Implementation of MPLS VPN Networks.
• 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 the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Upgrading WAN link using PPP Multilink and by implementing Cisco WAAS
• Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
• ConfigureGLBP, VLANTrunking802.1Q, STP, Port Security on Catalyst 6500 switches.

Confidential

Network Engineer/ Admin

Responsibilities:

• Worked along with the team in ticketing issues.
• Assisted in troubleshooting LAN & WAN connectivity and hardware issues in the network of 10000 hosts.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Troubleshoot problems on a day to day basis & provide solutions that would fix the problems within their Network.
• Support customer with the configuration and maintenance of ASA firewall systems.
• Assisted with various duties that will arise including: implementation, configuration, management, rules definition, problem solving, design advice, troubleshooting, updating, maintenance, etc.
• Maintenance and Troubleshooting of LAN connectivity problems using Ping, Trace route.
• Managed the IP address space using subnets and variable length subnet masks (VLSM).
• Involved in troubleshootinsg IP addressing issues and Updating IOS images using TFTP.
• Experience with configuring BGP, OSPF on 7609 router.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP & OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Dealt with creating VIP (virtual servers), pools, nodes and applying Irules for virtual servers like cookie persistency, redirection of the URL.
• Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & help LAN administrator with backbone connection and connectivity issues