SUMMARY

• Cisco Certified Network Professional with 6+ years of professional experience in Network Planning, Implementing, Configuring, Troubleshooting and Testing of networking system.
• Provided 24x7x365 availability and on - call support as required.
• Excellent working knowledge of TCP/IP protocol suite and OSI layers.
• Good knowledge and experience in FTP, DNS, DHCP, TFTP, LAN, LINUX and WAN environments.
• Having advanced knowledge in Cisco ASA 5000 series and PIX installation, configuration and maintenance.
• Proficiency in supporting Enterprise Level LAN, MAN and WAN Networks.
• All-encompassing execution & configuration proficiency of firewalls as Cisco PIX (515/535/525), Cisco ASA Appliance ASA 5510 and Pala Alto Security devices.
• Experienced with Juniper JUNOS device configuration like Juniper Router and Juniper switches.
• In-Depth Knowledge in STP, VTP, HSRP. Expertise in Routing- Layer 3, Switching - Layer 2
• Experience in LAN networking technologies (Spanning-Tree, VLAN, DTP, HSRP, VRRP, GLBP) and Experience in Routing Protocols (EIGRP, OSPF, RIP and BGP).
• Strong hands on experience on ACL, Firewall, and Experience in Wan optimization.
• Experience in skillful deployment of Layer-2 technologies like VLANS, VTP, STP, RSTP, Inter-VLAN routing, VLAN Trunking, Ether Channels, VLAN access-maps and port security.
• Experience with Checkpoint Firewall policy provisioning and modification of Palo Alto PA-500, PA-2k, PA-3k, PA-5k.
• Exposure to wild fire feature of Palo Alto.
• Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools.
• Experience with working on latest cisco switches like Nexus 2000, 5000, 6000 and 7000 series switches while implementing advanced features like VDC, VPC, OTV and Fabric Path.
• Expertise in configuring of SSH, TFTP, FTP, DNS, DHCP and Syslog.
• Expertise in configuration & troubleshooting of routing protocols and deployment of OSPF, EIGRP, BGP, MPLS, IP Multicast.
• Having Good knowledge in additional firewall technologies such as Cisco ASA/Firepower.
• Proficient in Implementing MPLS over OSPF, BGP and VPN for secured connection.
• Hands on experience working with DNS Infoblox DNS server, Checkpoint Firewall Administration and Troubleshooting.
• Having advanced knowledge in Cisco ASA 5000 series and PIX installation, configuration and maintenance.
• Proficiency in supporting Enterprise Level LAN, MAN and WAN Networks.
• Expert in Cisco IOS and Nexus-OS upgrades, VDC, VPC/VPC+, VRFs and Fabric Path support and configuration.
• Strong hands on experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like7K, 5K, 2Kseries, Cisco router models like7200, 3800, 3600, 2800, 2600, 2500, 1800series and Cisco catalyst6500, 4500, 3750, 3500, 2900series switches.
• Troubleshoot Data center network issues, Cross connectivity and WAN Backbone issues between Data centers
• Configured, troubleshoot, and upgraded Checkpoint Firewalls for Manage clients, which included network and/or resource access, software, or hardware problems.
• Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS) and deploying GRE Tunnel.
• Experience in Network Management Tools and sniffers like SNMP, Wire shark and Cisco works to support 24 x 7 Network Operation Center.
• Experience in switch security and network security firewalls technologies and LAN/WAN Network Support for TCP/IP based devices.
• Experience in Internetworking with devices such as routers, firewalls and switches.
• Experience in IP Addressing, Sub netting, VLSM, FLSM.
• Experience in Layer 2 and Layer 3 protocols (i.e. TCP/IP, Ethernet etc.). Good experience in Frame Relay, MAN, MPLS, V-SAT.
• Expert in Implementing and Configuring WAN Technologies: PPP, Frame Relay, Leased Lines and MPLS.
• Widespread acquaintance to Network troubleshooting, maintaining Network devices, implementing and accomplishing Networking Projects under ITIL Standards.
• Proficient in using MS Office- Visio, Excel, Word for documentation.

TECHNICAL SKILLS

Routing Protocols: RIP, BGP, OSPF, IGRP, EIGRP, Static Routing, IP Addressing, Subnetting, VLSM

Communication Protocols: TCP/IP, UDP, DHCP, DNS, ICMP, SNMP, ARP, RARP, PPP, HDLC and ISDN

Redundancy Protocols: GLBP, HSRP, VRRP

Topologies: Frame Relay, ATM, Ethernet, Cable Modem, and Wireless

Switch Technologies: VLANs, VTP, STP, DTP, MPLS, ISL and dot1q

Network Hardware: Cisco switches (2960, 3550, 3560, 4500, 6509, and 6513),Cisco Nexus Switches(2248,2232,5548,5596,7010,7718),Cisco routers (1900, 2900, 3900, 7200, ASR-1k/9k), Cisco ASA 5500 series, CSU/DSU’s, network cards, Modems and F5 Network Load Balancer, Brocade ADX

Network Management Tools: MRTG, HP Open view, Cisco WAN manager, Cisco works 2000,Cisco call Manager, Open stack

Security: NAT/PAT, Ingress & Egress Firewall Design, VPN Configuration, Internet Content Filtering, URL Filtering -Web-sense, SSL, IPSEC, IKE, Static, Dynamic, Reflexive ACL, and authentication AAA (TACACS+ & RADIUS).

Firewall: Cisco ASA, Check Point, Juniper SRX

Network Simulators: GNS3, Packet Tracer, Wire shark

OS: Windows, UNIX, LINUX

PROFESSIONAL EXPERIENCE

Confidential, Phoenix, AZ

Network Engineer

Responsibilities:

• Performed IPv4 & IPv6 Addressing, subnetting concepts, OSPF, EIGRP, BGP, HSRP, VLANs, STP, DNS, DHCP, TCP/IP.
• Designed and involved in implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking and Ether channel.
• Created and managed VLAN’s on switches.
• Performed troubleshooting and Implementation of traffic filters on Cisco routesusing Standard and Extended access-list.
• Involved in troubleshooting of complex LAN/WAN infrastructure including routing protocols EIGRP, OSPF & BGP.
• Involved in troubleshooting and resolving hardware and software problems associated with LAN/WAN network and servers.
• Used packed generators like hping, nemesis and load generators likeMGEN to flood the network with packets to test connectivity protocols.
• Designed, validated and implemented LAN, WLAN & WAN solution to suite client’s needs.
• Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches and Nexus switches.
• Troubleshoot application issues through F5 load balancers using top dumps and fiddler.
• Assisted in troubleshooting SAN issues such as initial storage configuration, drivers, path, storage failures and storage performance.
• Provided input and support for troubleshooting of IP technologies, including but not limited to Network connectivity, IP addressing (CIDR and VLSM), Routing Protocols (BGP, OSPF, EIGRP).
• Managing Cisco Layer 2, Layer 3 switches & Routers on the network.
• Documented all the work done using Microsoft Visio and Excel

Environment: Cisco switches (2960, 3550, 3560, 4500, 6509, and 6513), Cisco Nexus Switches (2248, 2232, 5548, 5596, 7010, 7718), Cisco routers (1900, 2900, 3900, 7200, ASR-1k/9k), Cisco ASA 5500 series, CSU/DSU’s, network cards, Modems and F5 Network Load Balancer, Palo Alto, Brocade ADX.

Confidential, Plano, TX

Network Engineer

Responsibilities:

• Configured Cisco Switches (Catalyst 3560, 3560X, 3750).
• Provided network connections for new workstations.
• Setup internet domain name and resolved DNS, LAN/WAN connectivity issues for the Website.
• Implemented QOS on WAN routers.
• Installed and configured DHCP Client/Server.
• Configured STP and best practices for a successful layer 2 network.
• Implement deployment and standardization of computer systems throughoutthe company.
• Network assessment and documentation (including technical, operational assessment).
• Responsible for generating network monitoring and performance reports and recommending network enhancements for improved infrastructure availability and performance.
• Proactively detect, investigate and prevent security and network related threats.
• Create and maintain/update technical documentation on regular basis to standardize the routine network related activities.
• Upgraded Cisco routers, switches and firewall IOS using TFTP.
• Installed and configured Cisco ASA 5500 series.

Environment: Cisco Routers 7600, 7200, 3800, 3700, 2800,2500; Cisco Catalyst switches: 6500, 4500, 3500, 3750,3850,2900; JUNIPER routers and switches; Cisco PIX Firewalls 535, 525; Cisco ASA 5550, 5520; VTP, VLAN and 802.1Q trunking; Routing Protocols OSPF, BGP; Load Balancer, SIP and MGCP ;Sniffer tools: Ethereal and Sniffer Pro; Wire shark, MS Visio.

Confidential

Network Engineer

Responsibilities:

• Configured Cisco Routers (2621, 2621XM, 2620, 2800) using EIGRP.
• Configured Cisco Switches (Catalyst 6500, 4500, 3750).
• Provided network connections for new workstations.
• Configured QOS on routers.
• Installed and configured DHCP Client/Server.
• Worked on DMVPN setup.
• Configured VLAN’s and established connectivity between them.
• Configured HSRP.
• Created the backup configuration of the devices.
• Proactively detect, investigate and prevent security and network related threats.
• Create and maintain/update technical documentation on regular basis to standardize the routine network related activities.
• Upgraded IOS on Cisco Routers switches and firewall ASA using TFTP.
• Installed and configured Cisco PIX.
• Involved in Switching Technology Administration including creating and managing VLANS’s, Port security, VTP, STP, Inter-VLAN routing, LAN security etc.
• Substantial lab testing & validation prior to implementation of new technologies.

Environment: Cisco Routers 2500, 3600; Cisco Switches3500, 2900 and 1900 series; Routing protocols RIPv2, EIGRPOSPF; Switching Protocols STP, VTP, RSTP and VLAN; Firewall Security Protocols: ACL, NAT, PAT.

Confidential

Level1 Network Engineer

Responsibilities:

• Installed & configured LAN & WAN using Cisco 1800 series Routers and 1900 series switches.
• Ensured current documentation was kept on LAN/WAN configurations.
• Provided users with network technical support and developed documentation for system troubleshooting and configuration.
• Responsible for daily LAN/WAN operations such as installation and configuration of routers & switch.
• Performed network monitoring, troubleshooting network outages, provided ongoing system administration.
• Maintaining OSPF, EIGRP, RIP and static routing protocol on CISCO routers and catalyst switches.
• Read device LEDs, loose connections, cards, dirty devices, interior IOS upgrade, switch configuration usage of Visual Switch Manager, switch port configuration, port monitoring, Watch over Flooding Control/Network port.
• Planned and designed network addressing scheme with IP Sub-netting.

Environment: Cisco Catalyst 3750,3550,4509,6509, 6500, Cisco routers 3650, 4500 and 6500, 7200, Cisco PIX (525, 535), ASA (5505, 5510) firewall,Routing Protocols(EIGRP, OSPF),Switching protocols(VTP, STP), Site to Site VPN, Remote Access VPN, Cisco VPN 3000 Concentrator.