SUMMARY

• Around Eight years of experience in the industry, which includes expertise in the areas of Routing and Switching, Security, Wireless networking and Load Balancing.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Virtual Device Context (VDC), STP, RSTP and MST.
• Expert level noledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as RIP, EIGRP, OSPF and BGP.
• Ability to interpret and resolve complex route table problems.
• Experience in configuring router redistribution between routing protocols and troubleshooting them.
• Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.
• In - depth noledge and hands-on experience on IP Addressing, Sub-netting, VLSM and ARP, RARP and Ping Concepts.
• Experience in working with Cisco Nexus 9k, 7k, 5k, 2k Switches and Virtual Port Channel configuration
• Experience in configuring Ipsec VPN Tunnels, GRE Tunnels and DMVPN Tunnels.
• Experience in configuring MPLS VPN in the core.
• Implemented traffic filters on Cisco routes using Standard and Extended Access list.
• Advanced noledge on Internetworking, OSI model, TCP/IP, network architecture, system security and firewall infrastructure.
• Experience with Juniper SRX 240 Firewalls.
• Experience in Cisco QOS Configuration.
• Excellent communication skills to interact with team members and support personnel and also can act as a mentor to less experienced personnel.
• Implementation, working analysis, troubleshooting and documentation of LAN, WAN and WLAN architecture.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Extensive noledge in developing test plans, procedures and testing various LAN/WAN products and protocols.
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture.
• Expertise in installing, configuring and troubleshooting Juniper EX Switches EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series.
• Experience in managing and migration of large scale enterprise networks.
• Experience in configuring and troubleshoot of Wireless LAN Controller and Access Points.
• Experience in implementation of F5 GTM based on topology load balancing methods.
• Having experience in deploying and troubleshooting BIG-IP F5LTM Load Balancers for load balancing and traffic management of business application.
• Working experience withCiscoCall Manager Express, CUCM andCiscoUnity Express.
• Experience withVoIPphones, Dial Peers, Dial Plan and other telephony services related to CME.
• Experience with Cisco ASA/Checkpoint/Palo Alto Firewall troubleshooting and policy change requests for new IP segments dat either come on line or dat may have been altered during various planned network changes on the network.
• Expert in NAT, Access List and Object Groups configurations in firewalls.
• Experience on Cisco ASA 5500 and ASA 5550, Palo Alto PA-500, PA-3060, PA-5060 series firewalls.

TECHNICAL SKILLS

Operating System: DOS, Windows (95, 98, NT/2000, XP, Vista/7/8/10), Cisco IOS

IP Routing: RIPv1, RIPv2, BGP, OSPF, IS-IS, IGRP, EIGRP

Security: Cisco ASA, Check point, Juniper SRX, Palo Alto

Switching: VLAN, VTP, STP, RSTP, Inter VLAN routing and Multi-Layer Switching, Layer3 Switches, Ether channels, Dot1Q, HSRP, GLBP

Communication Protocols: TCP/IP, UDP, DHCP, DNP, ICMP, SNMP, ARP, RARP, PPP, HDLC

Topologies: Frame Relay, ATM, T1, T3, OC3, OC12, OC48, Ethernet, Cable Modem

Network Peripherals: Switches CISCO 2900, 3500, 3750 … 6500, Nexus …, Juniper EX 2200, … Routers Cisco 2900, … 7200, 7600, Juniper M & T Series, Cisco CRS-1, CRS -3, GSR

Network Management Tools: MRTG, HP Open view, Cisco WAN manager and Cisco works 2000

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Sniffers: Etheiral (Wireshark)

PROFESSIONAL EXPERIENCE

Confidential, Alpharetta, GA

Sr. Network Engineer

Responsibilities:

• Responsible for day to day management of Cisco Devices, Traffic management and monitoring.
• Implemented L2 technologies including VLAN's, VTP, STP, RSTP and Trunking.
• Implemented routing protocols EIGRP, OSPF, and BGP.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• Experience with converting 6500 to Cisco Nexus in the data Center environment.
• Resolved escalated hardware and software issues related to LAN/WAN.
• Experience with configuring Virtual Server and Configuring Load balancing methods in F5 12.0 LTM.
• Configured NAT and SNAT in F5 12.0 LTM.
• Performed Migration from Cisco ACE Load Balancers to F5 LTM.
• Configuring RIP, OSPF and Static routing on JuniperM and MX series Routers.
• Experience configuring Virtual Device Context in Nexus 7010.
• Configured Easy VPN server and SSL VPN to facilitate various employees’ access internal servers and resources with access restrictions.
• Implemented antivirus and web filtering on Juniper SRX 240 at the web server.
• Experience working with Cisco IOS-XR on the ASR 9000 devices for MPLS deployments.
• Experience with design and configuring Overlay Transport Virtualization (OTV) on Cisco NX-OS devices like Nexus 7000.
• Experience with using F5 Load balancer in providing worldwide data and file sharing, continuous internet connectivity, optimized web performance.
• Installed, configured and troubleshot Cisco wireless network, Wireless LAN controllers.
• Configured Cisco QOS features like Classification, Congestion Management, Policing and Shaping.
• Configured Modular QOS which includes Class Map, Policy Map and Service- Policy.
• Analyzed and tested network protocols (Ethernet, TCP/IP) using Wireshark tool.
• Used multiple network monitoring tools like Solar Winds,CiscoPrimefor supporting the existing core network environment and Network edge devices.
• Installed, configured and set security policies on Cisco ASA and Checkpoint firewalls.
• Supported customer with the configuration and maintenance ASA 5550 firewall systems. Configured object groups on ASA 5550 firewalls.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Deploying and decommission of VLANs on core ASR 9K, Nexus 9k, 7K, 5K and its downstream devices.
• Configured Site to Site IPsec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
• Designed 10 gigabit networks using Cisco Nexus 7000 series switches, Checkpoint R77.10 firewall and Cisco 3800 series routers.
• Successfully installedPaloAltoNext-Generation PA-500, PA-3060, and PA-5060firewallsto protect Data Center with the use of IPS feature.
• Configured and maintained IPSEC and SSL VPN's onPaloAltoFirewalls.
• Implemented Zone Based Firewalling and Security Rules on thePaloAltoFirewall.

Confidential, New York, NY

Network Implementation Engineer

Responsibilities:

• Responsible for implementing, supporting, and maintaining 24x7 network services.
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems.
• Configured and troubleshooting BGP, OSPF, EIGRP, MPLS WAN, QoS and Route Maps.
• Configure BGP features such as as-override, Local pre, EBGP load sharing on client connections.
• Configured and resolved various OSPF issues in an OSPF multi area environment between multiple branch routers.
• Migrated to Juniper EX series switches from Cisco 3500 series and 6500 series switches.
• Experience in working with cisco Nexus 5000 series switches for data center.
• Experience in working with JuniperT-Series, M-Series, MX-Series and J-Series Routers.
• Configured OSPF for Stub area, Totally Stubby Area and NSSA.
• Performed redistribution with OSPF, EIGRP to enable communication with backbone.
• Troubleshoot connectivity issues involving VLAN's, OSPF, and QoS.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Implemented, configured redundancy protocols HSRP, VRRP, GLBP for Default Gateway Redundancy.
• ConfiguredJuniperMX480s, EX8200s, EX4500s, EX4200s, and SRX5800s from scratch to match design
• Managed the Cisco network infrastructure using Cisco Prime.
• Supporting accounts on implementation and maintenance of DDI/IPAM Servers on various platforms.
• Implementing Cisco VPN Solutions includingDMVPN.
• Experienced with Juniper: EX-2200, EX-4200, EX-4500, MX-480 and M Series, SRX210 and SRX240.
• Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
• Built an accruing network via MPLS circuits to split the trusted and un-trusted traffic via a Cisco ASR Router.
• Experience in creating and maintaining Checkpoint firewall configurations, updating documentation and log analysis.
• Monitored traffic and connections in Checkpoint firewall.
• Executed several implementations ofCiscoCME and Unity Express.
• Maintain Cisco Unified Customer Voice Portal.
• Configured the Cisco ASR to use the VRF routing functions to completely split the traffic through the network.
• Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
• Worked on F5 and CSM load balancers deploying many load balancing techniques with multiple components for efficient performance.
• Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2Bnetwork connectivity.

Confidential, San Luis Obispo, CA

Network Engineer

Responsibilities:

• Responsible for service request tickets generated by the halpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Performed redistribution with OSPF and EIGRP to enable communication with backbone.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
• Experienced in WAN environments, installing and troubleshooting data circuits (OC, T1, E1, T3, and MUXES).
• Installed and configured ASA 5500 Firewall.
• Building site-site VPN connections for third party connectivity using ASAFirewalls.
• Experience in network monitoring tools like Netflow, RSA envision and Cisco IPS event viewer.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Configured Wireless Access Points in order to control them with RADIUS server.
• Built site-to-site IPSec VPNs over Frame-relay & MPLS circuits on various models of Cisco routers to facilitate adding new business partners to new and existing infrastructures.
• Involved in the team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the organization requirements.
• Worked with the data center planning groups, assisting with network capacity and high availability requirements.
• Configured VLAN's on Switches for Wireless Access Points.
• Experience installing & configuring of Cisco PIX, ASA & FWSM (Firewall service module).
• Configured Access control list and also configured Cisco ACS for AAA services using Tacacs and Tacacs+.
• Responsible for the implementation and maintenance of firewall based security zones (DMZ*s).
• Provide support to internal project teams by adding firewalls, switches and routers to managed DMZs.

Confidential

Network Engineer

Responsibilities:

• Support Network Technicians as they require training & support for problem resolution including performing diagnostics, & configuring network devices.
• Configuring of IP Allocation and sub netting for all applications and servers and other needs throughout company using FLSM, VLSM addressing.
• Involved in the configuration & troubleshooting of routing protocols: BGP, OSPF, EIGRP and RIP.
• Tuned BGP internal and external peers with manipulation of attributes such as metric, origin and local Preference.
• Supporting EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations.
• Performing troubleshooting on slow network connectivity issues, routing issues dat involves OSPF, BGP and identifying the root cause of the issues.
• Experience in WAN connectivity using Cisco routers by using T1, T3 and frame relay connections and its troubleshooting issues.
• Design and implementation of the LAN IP infrastructure using Layer 2 / Layer 3 switching, STP, Gigabit Ethernet and Trunking / channeling technologies.
• Responsible for maintenance and utilization of VLANs, Spanning-tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches.

Confidential

Network Technician

Responsibilities:

• Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide AreaNetwork configurations.
• Managed IP addressing and implemented IP Access Lists.
• Documented the design, implementation and troubleshooting procedures.
• Involved in network monitoring, alarm notification and acnoledgement.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols.
• Maintaining Network Integrity on LAN and WAN Networks.
• Configuring and Troubleshooting Routing protocols OSPF, RIP, EIGRP & BGP.
• Have sound noledge of Firewall architecture, routing and VPN.
• Installed and configured the ACE and CSM for firewall/Server Load balancing for Cisco Catalyst switches.