PROFESSIONAL SUMMARY:

• Around 6+ years of extensive experience in network infrastructure design, implementation, troubleshooting and maintenance of complex Network & Security devices.
• Good knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as IPSec, RIP, EIGRP, OSPF & BGP ability to resolve complex routing problems.
• Implementing, Troubleshooting of MPLS LDP, MPLS VPN’s.
• Worked on Cisco routers 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 4500, 3750, 2950 and 3500XL series switches. Also have Insight on higher version of models of routers and switches.
• Good Knowledge in integration and configuration of Cisco based VPN networks and ASA Firewall.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP and RSTP.
• Experience in planning, designing, Installation, configuration and maintenance of 802.11a/b/g Wireless Networks and Wireless Access points.
• Developed and directed the implementation of tactical plans for access, backbone, and interoffice networks deploying CISCO 3750, 6500, 7609 Routers and Nexus 2k/5k/7k series switches & knowledge of Juniper SRX, MX, series routers and EX4500.
• In - depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse and proxy ARP, Ping concepts.
• Hands on knowledge of F5 Load balancer LTM & GTM.
• Implementing and troubleshooting Advanced IP services such as VoIP, QoS, Multicast, PIM-SSM technologies.
• Good experience in Infoblox DNS/IPAM/DHCP appliance.
• Evaluated and tested network systems to eliminate problems and make improvements.
• Excellent customer management/resolution, problem solving and debugging skills with good verbal/written communications and presentation skills.
• Good knowledge of cable connectors and replacement as RJ-11, RJ-45, V.35, RS-449
• Implementing and troubleshooting IPv6 networks.
• Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark and Cisco works to support troubleshooting issues.
• A highly motivated individual with proven ability to learn fast, work well under pressure and ability to work in a team as well as independently.

TECHNICAL SKILLS:

Cisco Routers: 7500, 7200, 3750, 2600, 2800, 6500

Cisco Switches: 4500, 6500, 5500, 5509, 6513, 4948, 3500, 2900, 2960, Nexus 2K/5K/7K

Firewalls: Cisco ASA, Checkpoint, Juniper, Palo Alto

Load Balancer: BIG-IP F5 (Monitoring and Configuration)

Protocols: EIGRP, OSPF, BGP, RIP, HSRP, VRRP, GLBP, MPLS, TCP/IP, IPSec

IP Services: DNS, FTP, TFTP, LAN/WAN, DHCP, NAT, VLAN

Network Tools: SNMP, HP OpenView, SolarWinds, WireShark

Network Topologies: Frame Relay, ISDN, Gigabit Ethernet, OSI and TCP/IP layered architecture

Switching Technologies: VLANs, Inter-VLAN routing and Port Channels, VTP, Spanning Tree Protocols, Multi-layer switching

IP services: DNS, FTP, TFTP, LAN/WAN, DHCP, NAT, VLAN

AAA Architecture: RADIUS, TACACS+

Documentation: MS office, MS Visio

Operating System: Linux, Windows, MAC.

WORK EXPERIENCE:

Confidential, Maryland Heights, MO

Sr Network Engineer

Responsibilities:

• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security.
• Configured, installed, & managed DHCP, DNS, & WINS servers
• Configuration & maintenance of Cisco2600 series routers with OSPF.
• Configuration and maintenance of Cisco ASR routers such as ASR 1013, 1009-X, 1006, 1006-X,1004, 1002-HX, 1002-X, 1001-X routers
• Managed a TACACS server for VPN user authentication and network devices authentication
• Upgrading the network by translating protocols like EIGRP to OSPF.
• Monitor, evaluate & report on health of both Wide & Local Area (WAN/LAN) Networks.
• Maintaining the whole network and troubleshooting the network issues for efficient performance.
• Configuration and support of Juniper Netscreen firewalls and Palo Alto firewalls.
• Manage the Netscreen SSG550 and ISG1000 and 2000 firewalls with the NSM.
• Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
• Worked on various Nexus Products 7010, 7009, 2248.
• Create and test Cisco routers and switching operations using OSPF routing protocol.
• Experience working with Layer 1-7 switching, TCP/IP, OSPF and load balancing (Cisco L2/L3 switches, firewalls, load balancers.
• Installation and administration of Checkpoint R 75.40 Firewall. Implemented firewall policy change on the Checkpoint clusters.
• Proactively manage customer Firewall's (FW), Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS) and other security threat data sources on Check point firewall.
• Performed Check point firewall upgrade of 50 firewalls from R55 to R65. The firewalls were on Nokia IP 1220 platforms. Administered Juniper 50, 200, 500, and SSG 520 firewalls.
• Experience with Adding and removing checkpoint firewall policies based on the requirements.
• Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 series.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls per design.
• Worked with security issue like applying ACL's, configuring NAT and VPN
• Experience in configuring routing protocols like EIGRP, RIP v2, OSPF & BGP and Cisco ACS protocols like RADIUS and TACACS.
• Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols and providing secure sessions over internet using IPSec and SSL encryption.
• Configured Multicasting protocol for IPTV and Multicast over GRE tunnels.

Confidential, Mesa, AZ.

Network Engineer

Responsibilities:

• Installation & configuration of enterprise network connectivity between multiple branches.
• Involved in configuring Cisco routers and switch administration with enterprise level Cisco Routers such as Cisco ASR1004, 7200 series, 3800 series, 3700 series, 2800 series, and Cisco catalyst series switches like 6500, 3750 and 4500.
• Implemented MPLS VPN Mechanisms on Cisco IOS and JUNOS.
• Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
• Configuring and troubleshooting of routing protocols such as OSPF, MP-BGP, EIGRP, and BGP v4.
• Provisioning and troubleshooting Ethernet services, Gigabit networks and Connectivity issues with WAN circuits connecting branches.
• Worked on troubleshooting production issues related to MPLS VPN involving PE configuration, PE-CE link issues such as routing protocol configuration, Layer1 / Layer2 issues, BGP4 address-family related issues.
• Experienced in developing Web Services with Python programming language.
• Worked with team for DMVPN migration plans for 200+ spokes to new Hubs.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Implementing IPv6 for ATT DNS network and troubleshooting configuration and routing issues.
• Monitored and troubleshoot EIGRP, MPLS, multi area OSPF and OSPF scale issues.
• Troubleshooting issues related to STP, RSTP, VLANs and VTP for maintaining Layer 2/3 Switching intact.
• Monitored and troubleshoot EIGRP, MPLS, multi area OSPF and OSPF scale issues.
• Employed various network monitoring system tools like SolarWinds to monitor, measure, alert, evaluate and rectify connectivity and latency issues critical to Data Center and WAN performance.
• Worked with a team of engineers that deployed Palo Alto Firewalls for web filtering and application control.
• Configuring Static, ISIS, BGP and OSPF Routing Protocols on Cisco ASR 9000, 9001, 6500 series Routers.
• Gained knowledge about BIG-IP F5 LTM Load Balancers for load balancing and traffic management of business application.
• Included Router and switch configuration (VLANs (802.1q), VTP, etc. on Nexus 2k, 5k, 7k Switches).
• Knowledge of Juniper EX/SRX/J-Series platform, Cisco Routers/ASA/7K Nexus devices, ASA Checkpoint Firewalls & Riverbed WAN optimization.
• Configured and maintained Cisco catalyst switches with HSRP for redundancy and migration of existing infrastructure to GLBP for unequal load balancing in critical sites using weighted technique according to company policies.
• Good knowledge of Cisco Firewalls (ASA 5500(5520/5540) Series.

Confidential, Cary, NC

Network Engineer

Responsibilities:

• Providing technical assistance and support to Cisco customers on 2950, 3600, 3745, 38xx and few other routers.
• Used the Cisco Configuration Professional GUI to configure interfaces, passwords, hostnames, DHCP, EIGRP, and SNMP on a Cisco router.
• Deployed Palo Alto Firewalls for web filtering and application control.
• Implemented traffic filters using Standard and Extended Access-lists. Handled Route-map, Re-distribution list & access-list.
• Installation, maintenance, administration, and monitoring of RedHat Enterprise Linux Systems.
• Worked on DNS server's setup and configured DNS for Linux machines
• Responsible for Check Point and Cisco ASA firewall administration across global networks.
• Configurations, Implementing IP Routing protocols EIGRP, OSPF, RIPv1 and RIPv2.
• Performed IOS Software upgrades on switches 6500, 3750 and 4500s.
• Troubleshoot wireless network issues at the Wireless Controller, using Debug commands and Wireshark.
• Excellent knowledge of Juniper EX/SRX/J-Series platform, Cisco Routers/ASA/7K Nexus devices, Palo Alto Firewalls, Riverbed WAN optimization, and Talari.
• Handled all orders as per the company needs, Add, Change, Terminate, Relocate etc. Coordinated with engineering team and onsite technician for remote configuration of Cisco routers and Switches.
• Providing End-user support for configuration and troubleshooting of hardware, software and Windows operating systems related issues, Network connectivity issues, Remote access setup and VPN connection issues.
• Participating in disaster recovery testing, maintaining system documentation logs and assisting in troubleshooting and diagnosis of system problems.
• Experience in implementing VLAN's and preventing loops using Spanning tree protocol
• In depth knowledge of implementing and configuring static and default routes
• Performing and monitoring network maintenance activities to ensure network availability to all system users.
• Preformed IOS upgrades and reconfigured devices afterwards.

Confidential, Tupelo, MS

Network Engineer

Responsibilities:

• Involved in implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, etc.
• Involved in configuring and implementing of composite Network models consists of Cisco 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Participated in the installation, configuration, and post installation daily operational tasks and configuration of the deployment of Cisco Nexus equipment.
• Configured Networks using routing protocols such as OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance.
• Responsible for Check Point, Cisco ASA and Palo-Alto firewalls configuration and administration across global networks.
• Resolved various trouble tickets related to routing (BGP, EIGRP, Static Routes, prefix-list, route-map, distribute-list, route-redistribution), switching (VLAN, port security, trunking, STP, VPC, HSRP, FEX)
• Expertise in LAN/WAN technologies (fast Ethernet, Layer 2 & 3 switched/routed LAN and Frame Relay).
• Responsible for monitoring and co-ordination of incident ticketing system to resolve high priority tickets.
• Performed maintenance and troubleshooting of connectivity problems using PING and Traceroute.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients via Infoblox IPAM.
• Involved in complete LAN, WAN, extranet redesign (including IP address planning, designing, installation, pre-configuration of network equipment, testing, and maintenance) in both Customer and Branch networks.
• Strong hands on and troubleshooting experience on check point and Palo Alto firewalls
• Analyzed and tested network protocols (Ethernet, TCP/IP) using Wireshark tool.
• Participate in on call rotation and provide various level support for company's diverse and complex network infrastructure.
• Worked in very small network team which requires broad spectrum of support and cooperation with multiple teams.
• Participate in network design efforts to improve network infrastructure, broaden and expand network capacity.

Confidential, San Jose, CA

Jr. Network Engineer

Responsibilities:

• Worked with the Help Desk for circuit troubleshooting to give Support to the Tech persons at the site.
• Configuring routers and sending it to Technical Consultants for new site activations and giving online support at the time of activation.
• Supporting Development team for the access to corporate network and outside world. Providing access to specific IP, Port filter and port access.
• Experience in Cisco series switches: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay and ATM).
• Performed troubleshooting while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
• Configured the Cisco router as IP Firewall and for NATting.
• Switching (Ethernet) related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Responsible for implementing Qos prioritizing voice traffic over a data.
• Implemented SNMP on Cisco routes to allow for network management. Completed the installation and configuration of T1, T3 & OC3 circuits.
• Troubleshoot TCP/IP problems, troubleshoot connectivity issues.