PROFESSIONAL SUMMARY:

• Over 5 years of experience in the field of routing, switching, firewall technologies and troubleshooting of complex network systems.
• Experience in designing, installing, configuring and maintenance of Enterprise Networks using Cisco routers, Catalyst Switches and Load Balancers, Cisco Firewalls.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches, Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Expertise experience in implementing and troubleshooting VLANs, VTP, STP, RSTP, DTP, Root Guard, BPDU Guard, Port Fast Uplink Fast, Backbone Fast, Ether Channel, PAGP, LACP and 802.1Q.
• Planning, Designing & Implementing VPN connections using Checkpoint, ASA and Cisco Routers using site - to-site VPN’s.
• Extensive Experience in WAN Technologies, Switching Technologies along with Failover Mechanisms &Inter Vlan Routing types.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF, IS-IS BGP and MPLS.
• Experience with F5 load balancers LTM, GTM series like 6400, 6800, 8800 for the corporate applications.
• Experience with Juniper SRX 240 Firewalls
• Involved in iRule management like loading rules, writing iRule syntax using TCL language.
• Experience in installing and configuring DNS, DHCP server.
• Worked on configuring the Nexus 7K, 5K Aggregation Switch and Nexus 2K Fabric Extenders.
• Experience with Putty, Secure CRT, GNS 3 and Cisco Packet Tracer.
• Experience with hardware load balancer administration and support, preferably with F5 load balancer LTM/GTM and Cisco ACE load balancers.
• Having a solid working experience and understanding of; Windows Active Directory, Windows DNS, VMWare, Citrix Xen Virtualization, Check Point firewalls, HP SAN Storage, Bluecoat web filtering.
• Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Lab & Production Environment.
• Expert level knowledge on OSI model and TCP/IP protocol suite.
• Worked on Network Topologies and Configurations, Routers, Frame Relay, Token Ring, ATM, Bridges, Switches, Hubs and Repeaters.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/Routing/ NATing with the firewalls as per design.
• Strong knowledge of TACACS+, RADIUS implementation in Access Control Network.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500, 5585/PIX security appliance with firepower services, Failover DMZ zoning & configuring VLANs/Routing/ NAT with the firewalls as per design.
• Experience in Configuring and deploying Cisco Catalyst 6513E, 4948E, 4510 switches and Cisco 3660, 3845, and 7609 series routers.
• Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyzes results and implement and delivering solutions as an individual and as part of team.

TECHNICAL SKILLS

Operating Systems: Windows 8/10, CentOS & Ubuntu Linux.

Network Tools: Solarwinds, ns-3, GNS3 v1.5/2.0, Wireshark, VMware, Oracle Virtual Box.

Routers: Cisco 2620, 2901, 3925, 3945E, 7201, 7613

Switches: Cisco Catalyst 2232, 2960, 3560, 4507R+E, 5596, 6509-E, 7009 Nexus 2232, 5596, 7009

Switching: VLANs, STP, VTP, Port Security, CEF, HSRP, GLBP.

Routing: OSPF, RIP, EIGRP, BGP, Static routing.

Firewalls: Cisco ASA, Windows Firewall, Trend Micro PC-cillin.

Juniper: EX-2200, EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240

Load Balancer: F5 Networks (Big-IP) LTM 6400, 1600

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links (E1/T1/E3/T3), Fiber Optic, Frame Relay Gateway HSRP, VRRP

PROFESSIONAL EXPERIENCE:

Confidential, Rockleigh, NJ

Network Engineer.

Responsibilities:

• Implemented antivirus and web filtering on Juniper SRX 240 at the web server
• Responsible for the Global design, engineering, and level 2/3 support of existing network technologies services and the integration of new network technologies / services
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Worked with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for data center access architecture.
• Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
• Worked on the security levels with RADIUS, TACACS+.
• Verified the existing configuration on every interface meets the standard (like access ports having Portfast and BPDU guard enabled).
• Upgraded the IOS on the 6500 switch and saving the old system configuration and running-configuration.
• Experience with implementing Cisco 6500 VSS on the User distribution switches.
• Carried out Route-redistribution between different routing protocols like OSPF, BGP, and EIGRP for increased efficiency.
• Implemented Access lists and policy mapping on Juniper router installed in each branch across all the states.
• Administration of ASA firewalls in the DMZ and FWSM in the Server Farm to provide security and controlled/restricted access.
• Handled SRST and implemented and configured the Gateways, Voice Gateways.
• Tested and implemented various BGP attributes such as Local Preference, MED, AS-PATH, Community, Extended community using route-maps.
• Configuring Big-IP F5 LTMs (virtual servers, pools, SNATs, health monitors, irules) for managing the traffic and tuning the load on the network servers.

Environment: Cisco, ASA Firewalls, DMZ, FWSM, Visio, Juniper, TACACS+, Radius, LAN, Nexus, Catalyst Switches.

Confidential, Lubbock, TX

Network Engineer

Responsibilities

• Worked on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
• Responsible for the installation, configuration, maintenance and troubleshooting of the company network. Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment and to provide support for Cisco network.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Performing the daily health Check in Telecomm and Networking.
• Worked on cisco policy trace, Access policies, and URL categories to either give or block the
• Access to particular websites using Iron Port Proxies.
• Worked on CLI to enable the ports and configuration of switches and routers.
• Upgrading the IOS to the newest version using the console, TFTP server on Firewalls, switches and
• Physically connecting the ports between the switches and the servers on to the racks.
• Setting up the WIFI connections whenever needed as per the user’s requests.
• Enabling the TCP, UDP, SMTP ports to allow the traffic from one server to another server by
• Performing the trace route to find out where the traffic is blocked by the firewall.
• Setting up the Agents in Cisco Unified Call Manager (UCM), unity, ICM.
• Performed testing of agent Extension mobility phones.

Confidential, Dallas, TX

Network Engineer.

Responsibilities:

• Responsible for the Global design, engineering, and level 2/3 support of existing network technologies services and the integration of new network technologies / services
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Configured RIP, OSPF and Static routing on Juniper M and MX series Routers.
• Data center to new Juniper M120.
• Racking, stacking, configuring NEXUS 5K and 2K and 7K.
• Worked with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for data center access architecture.
• Configuring Cisco ACS 4.0 along with TACACS+ server authentication.
• Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Creating, adding and deleting new rules and objects on Checkpoint firewalls R65/ R75.
• Troubleshoot network issues using Checkpoint tracker tool.
• Documentation involved preparing MOPs, Work Orders, DCE cabling and NEMS request. Also creating and submitting Remedy tickets and Homer work orders.
• Configuring Big-IP F5 LTMs (virtual servers, pools, SNATs, health monitors, irules) for managing the traffic and tuning the load on the network servers.
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
• Worked in Configuration and extension of VLAN from one network segment to other segment between different vendor switches (Cisco, Juniper)

Environment: Cisco Routers/Switches, Nexus 5k, 7k, MPLS, VLAN, HP Open View, L2/L3, F5, MOPs, Checkpoints, Trunking, Virtual Servers.

Confidential, Seattle, Washington

Engineering Network Services

Responsibilities

• Performed Troubleshooting and monitored the network using EdgeMAX, a network monitoring tool used for Ubiquity devices.
• Deployed 802.1x authentication for office users using Aruba clearpass access management system.
• Configured wireless LAN (WLAN) and monitored the workstations using OPNET (Riverbed) under the guidance of Network Engineer.
• Worked on and performed troubleshooting on Voice over IP phones. (Cisco 7960).
• Setup VLANs for different section of users and also configured inter-VLAN routing using Switched Virtual Interface.
• Created LAN/DFD, WAN diagrams using Microsoft visio
• Design, implement and administer IPv4/IPv6 enterprise network infrastructure utilizing Juniper routers.
• Worked on Juniper MX 480, MX960.
• Implementing iRules on LTMs for http traffic redirection
• Experienced with Juniper: EX-2200, EX-4200, EX-4500, MX-480 and M Series, SRX210 and SRX240.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite.
• Worked on Organization’s cell phones issues.

Confidential

Network Engineer

Responsibilities:

• Key responsibility of LAN and WAN maintenance and troubleshooting any network related problems.
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, and BGP v4. Configured IP access filter policies
• Configured CIDR, IP, RIP, PPP, BGP and OSPF routing.
• Identify, design and implement flexible, responsive, and secure technology services.
• Experience with Firewall Administration, Rule Analysis, Rule Modification.
• Troubleshoot traffic passing managed firewalls via logs and packet captures.
• Configured and resolved various OSPF issues in an OSPF multi area environment.
• Configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
• Experience with implementing and maintaining network monitoring systems (Cisco works and HP Open view) and experience with developing complex network design documentation and presentations using VISIO.
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.