SUMMARY

• In - depth knowledge of TCP/IP protocol suite and proficiency in configuring and troubleshooting various routing protocols like BGP, OSPF, EIGRP, RIP, Static routing and management of routes using manual summarization, default-routes and redistribution.
• Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP).
• Experience in implementing security policies like NAT, PAT, IDS, IPS, VPN and Access lists.
• Extensive work experience in designing with Cisco Routers, Cisco Switches, Load Balancers and Firewalls.
• Strong understanding of Firewall concept.
• Experience in layer-3 Routing with, Cisco 7600, 7200, 3810, 3925, 2811, 1800 series.
• Experienced in working on Cisco Catalyst switches2900,3750, 4500, 6500series.
• Worked on Nexus FEX-2K (2248, 2232), 5K (5548, 5020, 5010)and 7K (7018, 7010) series switches.
• Provided Load Balancing towards Access layer from Core layer using F5 network Load balancers.
• Excellent Understanding of Layer 2 and 3 protocols.
• Experience with F5 load balancers and general troubleshooting of the F5 load balancers.
• Experience in VPC, VDC, Fabric path and OTV configurations.
• Experience with setting up Cisco ASA firewalls Cisco ASA 5510, Cisco ASA 5512& Cisco ASA 5505 with restricted security policies, NAT implantation, configured DMZ interfaces to restrict traffic flow.
• Experience in implementation of Cisco ACS Servers & configuration of TACACS protocols.
• Enabled Authentications such asWPA2, PAP/CHAP, and AAA.
• Extensively used Route Reflectors, Route Influence by Attributes,Multi homing, Route dampening, and Optimization of BGP.
• Experience in implementing, maintaining and troubleshooting L2 switching tasks such as VLANs, VTP, VLAN Trunking using ISL and 802.1Q, STP, RSTP, PVST+, Etherchannel using LACP and PAgP, Inter-VLAN routing, CEF and DCEF.
• Experience in T1/E1/T3 technologies and different LAN&WAN technologies.
• Experience working of Cisco Wireless networking with 802.11, LWAPP and CAPWAP technology.
• Maintaining and updating inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.

TECHNICAL SKILLS

• Static routing
• Dynamic routing
• EIGRP
• OSPF
• BGP routing
• WAN technologies
• DLCI Frame Relay
• TCP
• VPN
• VLANs
• LAN Analyzer
• WLAN
• Performance measurement capacity and tuning issues.
• Windows operating system (XP Win 7/8)
• Wireless Networking
• Bluecoat Proxy
• S200
• F5 Big-IP 4200s
• Novell
• Windows
• Linus or OSX.
• Routing/Switching technology
• Quick learner / good at researching and documentation
• Windows Server
• Windows 7
• Windows 10

PROFESSIONAL EXPERIENCE

Confidential, Dayton, OH

Sr. Network Engineer

Responsibilities:

• Installed, Configured and maintained Nexus 9000, 7000Series Routers, 2950, 3750, 3850 and 65xx Cat switches.
• Configuring OSPF, BGP, RIP, MPLS and static routes.
• Utilized Cisco BGP communities and advanced route filtering on Cisco IOS.
• Provide fault resolution to backbone infrastructure running BGP, OSPF, RIP and MPLS routing protocols.
• Worked on Cisco ACE load balancers. Experience with F5 load balancers - LTM, GTM series like 5000, 2000 for the corporate applications and their availability.
• Configuring and modifying Access-lists, policy maps, route-maps.
• Configuring and troubleshooting Vlans, STP, Trunking, Etherchannel, DTP on the LAN switches.
• Worked on Solarwinds Network Performance Monitor to check the health and performance of entire network for easier troubleshooting and faster results.
• Configured Cisco ASA firewalls, interface configuration and create access list.
• Worked extensively in Configuring, Monitoring and Troubleshooting of Cisco's ASA 5505, 5510 security appliance with ASDM.
• Configuring NAT pools on the edge routers.
• Downloaded and upgraded IOS versions on Cisco devices.
• Configured VPN connection via Cisco ASA.
• Configure cisco any connect remote vpn.
• Worked on Cisco Wireless Networking with different protocol like LWAPP,CAPWAP..
• Configured and managed Cisco access layer routers and switches & carried out route redistribution& manipulated route updates using distribute lists, route-maps & administrative Deployed new data centers with Cisco 6506's, F5 load balancers.
• Implemented with Cisco Layer 3 switches 3750, 4500, 6500 in multi VLAN environment with the use of inter-VLAN routing, HSRP, ISL trunk, ether channel.
• Performed VSS on cisco catalyst 3850 series switches.
• Implemented port aggregation & link negotiation using LACP and PAGP.
• Configured Client VPN technologies including Cisco's VPN client via IPSEC.
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
• Perform system maintenance to proactively tune various network issues prior to occurrence.
• Dispatch field technicians on various sites, and provide guidance for network devices connections, configurations and troubleshooting.
• Investigate, analyze and document technical issues, then provide recommendation to upper management,
• Provide 24/7 support and troubleshooting of a variety of network related issues including Guests' connectivity and devices operability.
• Configure, monitor, and insure connectivity of LAN, and WAN sites.
• Daily phone and email troubleshooting of server-based connection issues.
• Preparing execution and backout documents for various scheduled weekend turnovers.
• Acting as an On-call Escalation engineer to troubleshoot various issues.
• Provided technical assistance for LAN/WAN management & troubleshooting and complex customer issues using Network monitoring tool's such as Solarwinds.
• IP troubleshoot BGP, OSPF, EIGRP and LAN switches, secure every branch office switch
• Manipulate BGP traffic with BGP Weight, Local Preference, AS-Path Prepending, BGP summery only, routemap, IP access-list, and BGP redistribution external and internal.

Confidential - Melville, NY

Sr.Network Engineer

Responsibilities:

• Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using frame Relay and Open Shortest Path First (OSPF).
• Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path.
• Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption.
• Implemented various OSPF scenarios on networks consisting of 7600 routers.
• Configured policy based routing for BGP for complex network systems.
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (OSPF) on thecustomer's Site.
• Tuned BGP internal and external peers with manipulation of attributes such as metric, origin and localPreference.
• Cisco Secure Access Control Server (ACS) for Windows to authenticate users that connects to a VPN 3000Concentrator.
• Involved in setting up and configuring server load balancer using F5.
• Installed high availability Big IP F5 LTM and GTM loadbalancers to provide uninterrupted service to customers
• Good knowledge on Intrusion Detection and Intrusion Prevention System.
• Analyzing traffic behaviors using Wireshark and Solarwinds
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocationto desired Virtual LANs of network.
• Responsible for day to day management of Cisco Devices, Traffic management and monitoring.
• Knowledge on multiplex techniques such as DWDM.
• Troubleshoot and Worked with Security issues related to Cisco ASA/PIX, IDS/IPS Experience withSynchronous Optical Networking (SONET) over optical fiber.
• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Involved in configuring and implementing Juniper EX-4200 and EX-8200 series switches and Juniper MX series routers.
• Configure, troubleshoot first hop redundancy protocol such as HSRP, VRRP and GLBP.
• Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updatesusing route-map, distribute list and administrative distance for on-demand Infrastructure.
• Configured OSPF redistribution and authentication with type 3 LSA filtering and to prevent LSA flooding.

Confidential - New York

Network Engineer

Responsibilities:

• Responsible for the creation, maintaining and troubleshooting of standard configurations for Cisco Routersand Switches
• Responsible to implementation and operational support of enterprise
• Responsible for Remedy Ticketing System and solve the ticket according to the priority status.
• Work on configuring, managing and supporting.
• Assist in troubleshooting complex layer 1, 2 and 3connectivity and recommend solution for betterperformance.
• Involve in designing and various network security and high availability.
• Deal with everyday various sites troubleshooting issue.
• Configure and Maintain connectivity issue LAN/WAN infrastructure at layer 2 and layer 3 devices.
• Conduct Switching tasks include VTP, 802.1q, VLANs, Trunking, STP, RSTP, Port Security, and EtherChannel.
• 24/7 on call support provided on a bi-weekly rotational basis.
• Maintain standards, risk assessments, documentation and procedure related to security for the InformationServices Production, Business Continuity, and Disaster Recovery environments.
• Develop and maintain comprehensive security documentation including design requirements, network diagrams, application communication diagrams, support diagram and project documentation.
• Configured F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Taken interviewed end user, manager and other remote worked and verified existing policy to reduce risk assessments.
• Validate test to check boundary conditions and error messages documented the Test Results and presentthe daily and weekly report to Manager.
• Solve complex network connectivity issue, dedicated to solve end user network problem.

Confidential - Tulsa, Oklahoma

Network Analyst

Responsibilities:

• Responsible for all duties and tasks of maintaining the campus network.
• Configured, and Implemented a Network Migration from RIP to OSPF layer 3 networks, which included a Core Layer, Distribution Layer and Access Layer.
• Installed switches, routers, Firewall, and Wireless Controllers.
• Analyzed and corrected network troubles and performance issues with varies tool such as Wireshark, Riverbed Network Analyzer.
• Configured and implemented Remote Access Solution: VPN, RDP.
• Built and maintained Visio documentation of all network designs.
• Evaluation of new network technologies, management, and analytical tools.
• Preparation of new network technology strategies and implementation recommendations.
• Wireless implementation throughout the campus using layer 3 networking.
• Installed AP's campus wide and management of wireless controllers.
• Installed multimode and single mode fiber.
• Installed network closets with cooper and fiber patch panels.
• Monitors and maintains network stability. Corrects network problems and outages as they occur.
• Provide assistance in managing infrastructure related projects such as improvements to capacity, disaster recovery capabilities.