PROFESSIONAL SUMMARY:

• Cisco and Juniper Certified Network Engineer with 8.6 years of experience in network system design, Implementation, administration and troubleshooting.
• Experienced Cisco/Juniper Firewall, Security and Network Administrator as well as a Certified Network Professional, routing and switching.
• Worked on F5 LTM 4000 series for the corporate applications and their availability.
• Knowledge in planning, design, implementing and troubleshooting complex networks and advanced technologies.
• Identify, design and implement flexible, responsive, and secure technology services.
• Experience with Firewall Administration, Rule Analysis and Rule Modification, project implementations.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Advanced knowledge in Cisco ASA 5000 series, Palo Alto VM - 300 series and Juniper SRX installation, configuration and maintenance.
• Working knowledge of networking devices such as Routers, Switches, Firewalls, WAN Optimizers and Wireless Devices (Controllers and Access Points).
• Adept at configuring and troubleshooting of VPC on Nexus 7Ks, 5Ks and VDC on NX7Ks.
• Hardware knowledge of various line cards in Nexus 7Ks and 5Ks.
• Expertise in Configuration of Virtual Local Area Networks (VLANS) using Nexus 7Ks, Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble- shooting of inter-VLAN routing and VLAN trunking using 802.1Q.
• Deploying Intrusion Detection System (IDS), Intrusion Prevention System (IPS) devices in the network.
• Expertise in configuration of routing protocols and deployment of OSPF, EIGRP, BGP and Policy routing over Cisco Routers, Switches (Nexus 7Ks, Catalyst 6500).
• Experience with NX-OS on Nexus Switches.
• Excellent experience in working with Cisco 1800, 2500, 2600, 2620, 2800, 2900, 3600, 3800, 3900, 7200, 7600 and ASR 1000, 9000 series Cisco Routers.
• Experience working on Juniper series of devices like MX-960, MX-480, MX-104, M10i, M7i, SRX-550, SRX-240, SRX210 and EX, QFX series of switches.
• Experienced in working with Cisco 2900, 3500, 3700, 4500, 6500 series Cisco Catalyst Switches and Nexus Switches 2200, 5500 and 7000.
• Experience in configuration and deployment of dynamic routing protocols OSPF, EIGRP & BGP over Cisco Routers.
• Implemented redundancy with HSRP, VRRP, GLBP, and Ether channel technology (LACP, PAgP).
• Router configuration for L2/L3 LAN and WAN networks and Intra company networks.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
• Experience in technical documentation of MOPS, Project handoff documents and Visio Drawings.
• Aware of procedures in change management and implementation of changes in accordance to the procedures.
• Hands on experience in using Network Monitoring and Packet Sniffing tools.
• Strong interpersonal, organizational communication, customer service & presentation skills.

TECHNICAL SKILLS:

Routers: Cisco 1800, 2500, 2600, 3200, 3600, 3700, 3800, 7200, 7600 and ASR 1000. Juniper MX-960,MX-480, MX-104, M10i, M7i

Switches: Cisco Catalyst (2960, 3560, 3750, 4500, 4900, 6500)Nexus (2200, 5500, 7000), EX- 4300, EX-4200, QFX-5100

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, Ten Gigabit Ethernet, SMTP, VLAN, Inter-VLAN Routing, VTP, STP, RSTP, DOT1Q

WAN Technologies: Frame Relay, ISDN, PPP, VPN, MPLS

Firewalls: Cisco ASA, Juniper SRX, Palo Alto

OS products/Services: DNS, DHCP, Windows (2000/2003, XP, 7, 8), UNIX, LINUX

Protocols/Services: Routing Protocols (RIP v1 & v2, OSPF, EIGRP, BGP), QoS, VRRP, HSRP, TCP/IP, UDP, ESP IPsec, MPLS, PPP, PPTP, IPSEC, IKE, SSL, SSH

Network Management: Infoblox, Wireshark, Solar winds, Nagios, OPsview.

Security Server Protocols: TACACS+, RADIUS, Cisco ACS

WORK EXPERIENCE:

Confidential, Albany, NY

Sr. Network Engineer

Responsibilities:

• Implemented the Core switch cut over project from Cisco 6509 to Nexus 7004 devices.
• Configured VPC (Virtual Port Channel), VDC (Virtual Device Context) in Nexus 7k/5k devices
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Established BGP peering between onsite datacenter in Albany and AWS cloud.
• Worked with Cisco advance services to implement data center Nexus environment for new Upgraded datacenter for the NX-OS in 7004 in core layer, 6880 in aggregation layer and cisco 6800, 2960 in access layer.
• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
• Providing Technical Support and solutions for Network Problems and resolve tickets across sites and corporate offices.
• Involved in periodic IOS upgrades, troubleshooting network outages and high severity incidents.
• Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco ASA Firewalls, NAT and Juniper SRX firewall.
• Creating or Modifying Firewall rules on Cisco 5555, 5520, Juniper SRX and Palo alto VM-300 devices.
• Upgrading the IOS on Network Devices including cisco 6800, 6500 and Palo Alto VM-300 devices
• Experience in working in panorama, palo alto user interface version 8.0.2 and VM-300 series firewalls.
• Creating templates in panorama to manage the individual devices from it.
• Configuring HA pair for two Palo VM-300 series AWS instance firewalls and testing the failover activity as well as ENI migration.
• Creating Network objects, dynamic address groups, FQDN and assigning it to rules based on the information in tickets
• Creating custom URL profile based on the expressions and assigning it to rule to perform URL filtering.
• Configuring network interfaces, static routes, NAT rules in panorama and thereafter pushing to individual palo alto devices.
• Performing the software upgrade from version 7 to 8.0.2 on panorama and VM-300 series palo alto firewalls.
• Configuration included VLANs & VTP, STP port features, Gateway redundancy using HSRP, enterprise security using Cisco Port Security and Dot1X framework.
• Configuration included deploying of new branch locations or new network devices in the existing infrastructure. Like, 4500-X in VSS mode and 3850 switches for distribution and POE-user switches
• Troubleshooting the Network failure issues and thereby making the changes to Network Infrastructure.
• Worked on maintenance and upgraded Cisco wireless WLC, LWAPs.
• Troubleshoot issues with Wireless Access points (Cisco 3502) and configure SSID’s on 5520 Wireless LAN Controllers.
• Configuring Node, pool, VIP, SSL client, server profile in F5 LTM 4000 series Bigip and thereby adding firewall rule to bring the end servers live
• Troubleshooting when the servers are down, checking logs the identify the error and thereby taking necessary steps.
• Participate in all technical aspects of LAN, WAN, VPN and security Internet Service projects including, short and long-term planning, implementation, project management and operations support as required.

Confidential, Alpharetta, GA

Sr. Network Engineer

Responsibilities:

• Implemented MX-960 router and configured virtual chassis in the core to enable interchassis redundancy.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems during the conversion of existing point-to-point circuits to MPLS.
• Implemented Dual homed connections between multiple sites to connect to primary and redundant datacenters in Alpharetta/ Santa Ana.
• Dealt with implementation of deployment related to Cisco ASA 5585 devices, Juniper SRX 550 devices to apply security policies on it.
• Troubleshoot issues related to VLAN, VLAN Trunking, VRRP failovers, related issues.
• Involved in Planning for upgrade of IOS/JUNOS on devices and performing the upgrade to the TAC recommended code.
• Assisted in the architecture, evaluation and recommendations related to purchasing and installing hardware, software related to IPV4 and IPV6 Networking.
• Add Trunks, Spanning Tree protocol, Port-Security, VLAN-MAPs and DOT1X for Switches and Wireless.
• Troubleshoot issues with Wireless Access points (Cisco 3502) and configure SSID’s on 5520 Wireless LAN Controllers.
• Responsible for Juniper SRX firewall management and operations across our corporate networks.
• Responsible for Working with JTAC/CISCO TAC for resolving escalated issues and bug fixes.
• Worked on a project to migrate vendor DMZ's from a disaggregated cisco environment to a unified SRX 550 firewall cluster leveraging services.
• Monitored network traffic and developed capacity-planning initiatives, making necessary recommendations, additional resources or hardware.
• Provide Load Balancer expertise on F5 BigIP LTM and GTM devices like 7050 and 2200 and Troubleshoot application slowness.
• Responsible for writing and executing Test Plan, Desk level procedures and Test Case for smooth network operations.
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
• Experience in configuring Virtual Device Context in Nexus 7010.
• ConfiguredJuniperMX80s, EX4300s, and SRX240s to implement as a part of the branch office.
• Managing enterprise BGP setup by configuring and troubleshooting BGP related issues.
• Responsible to add new BGP peers for remote branch offices and business partners.
• Experienced with Juniper: EX-2200, EX-4300, EX-4500, MX-480 and M Series, SRX210 and SRX240 troubleshooting.
• Configured VPN tunnels to multiple vendors with end devices terminating at vendor end being a Cisco/Juniper firewall.
• Perform Configuration changes on BIG IP (F5) Load balancers and monitored the Packet Flow in the load balancers.
• Involved in Configuring and implementing of Composite Network models consists of Cisco 7600, 7200, 3800 series and ASR 9k and Cisco 2950, 3500, 5000, 6500 Series switches.
• Configured networks using routing protocols such as OSPF, BGP and manipulated routing updates using route map, distribute list and administrative distance for on-demand Infrastructure.
• Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (Dot1q and ISL) and Ether channel.
• Administration of ASA and Juniper SRX firewalls in the DMZ and FWSM in the Server Farm to provide security and controlled/restricted access.
• Responsible for monitoring alerts through tools like Solar winds Orion, Opsview in the Production environment as a part of first response for the service desk.
• Implemented changes in projects in accordance with the change management process and responsible for MOPS, Post-Implementation handoff documents and Visio drawings.

Confidential, California City, CA

Network Engineer

Responsibilities:

• Played responsible role for implementing, engineering, and level two support of existing network technologies/ services and integration of new network technologies/services.
• Worked on 3560, 3750, 3850, 4510, 4500-X, 6509 series Cisco Catalyst switches, and 2248, 5020, 5548 and 7010 Cisco Nexus switches in multi VLAN environment for the implementation of inter-VLAN routing, 802.1Q trunking, and Ether Channel.
• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security.
• Configuration of site-to-site VPN connections (IPsec/GREtunnels, DMVPN) to support diverse network connections to extranet clients.
• Worked as a member of the NOC groups to troubleshoot issues related to IP phones, Connectivity and application slowness.
• Troubleshoot issues with Wireless Access points (Cisco 3502) and configure SSID’s on 4506 Wireless LAN Controllers.
• Adept at configuring and troubleshooting of VPC on Nexus 7Ks, 5Ks and VSS on Cat 6509, 4500-X.
• Expertise in Configuration of Virtual Local Area Networks (VLANS) using Nexus 7Ks, Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble- shooting of inter-VLAN routing and VLAN trunking using 802.1Q.
• Expertise in configuration of routing protocols and deployment of OSPF, EIGRP, BGP and Policy routing over Cisco Routers, Switches (Nexus 7Ks, Catalyst 6500).
• 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).
• Designed, planned and performed failover testing with various extranet clients successfully.
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network.
• Involved in the Redesign of Internet connectivity infrastructure for meeting bandwidth requirements across manufacturing plants in Ann Arbor and Montgomery Plants.
• Configured HSRP and VLAN trunking 802.1Q, VLAN Routing on Catalyst 6500 switches to implement in the manufacturing plant in Ann Arbor.
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
• Performed maintenance and troubleshooting of connectivity problems using PING, and Trace route.
• Used DHCP for automatic assign reusable IP addresses to DHCP clients via Infoblox IPAM.
• Configured and maintained OSPF protocol which include deployment of new locations in the existing infrastructure created Stub/areas and configured summarization for effective routing
• Configured OSPF on ASR1002/9001 Cisco routers at various back offices across US.
• Configured ACLs in Juniper SRX 3400 firewall for Internet Access requests for servers, Protocol Handling, Object Grouping and NAT.
• Experience setting up SRX 240 HA Pairs on the branch firewalls for redundancy.
• Configured SPAN and RSPAN for network monitoring.
• Worked on network-based IT systems such as racking, stacking, cabling and module replacement.
• Gained experience in troubleshooting Cisco IP phone.
• Configured and installed Wireless Access Points at different company’s location and managed them through Wireless LAN Controller (Cisco).

Confidential

Network Engineer

Responsibilities:

• Installed and configured routers, Cisco 2800, 3845 routers and cisco catalyst switches.
• Engaged in office moves, helped in identifying network requirements of new building, installed new networking hardware, and coordinated with vendors for cabling/wiring
• Trouble-shooting end-user reported problems, thoroughly and accurately documenting problem in trouble management tool.
• Configuring DNS /NIC card issues and wall jack issues while troubleshooting IP addressing problems.
• Responsible for creating, modifying, removing VLAN configuring as per the need.
• Tracking overall network traffic and capacity issues that are impacting throughput, bandwidth, and quality
• Pinpointing physical network conditions that are contributing to call quality issues
• Applied effectively various routing protocols including EIGRP and OSPF Implemented Redistribution of Routing protocols.
• Solving web related problem including HTTP, HTTPS, DNS, SMTP.
• Involved in migration from EIGRP to OSPF and documented change management procedure for migrating from EIGRP to OSPF network.
• Configured ACLs to prevent access to internal network from unauthorized users on ASA firewalls.
• Troubleshoot intra-net and internet connectivity issues using PING and Traceroute.
• Configured HSRP, Ether Channel in the LAN environment and NAT.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and all around technical support.