Network Engineer

Vaishnu Bheemineni

Sr. Network Engineer

Email id: ********.*******@*****.***

Ph No: 908-***-****

Professional Summary:

Cisco Certified Network Engineer with 8 years of experience in the industry, which includes expertise in the areas of Routing, Switching and Firewall.

Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP ability to interpret and resolve complex route table problems.

Implementation traffic filters on Cisco routes using Standard, extended Access list.

Strong hands on experience in installing, troubleshooting, configuring of Cisco 7200, 3800, 3600, 3400, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.

Expert Level Knowledge about TCP/IP and OSI models. In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.

Involved in troubleshooting of DNS, DHCP and other IP conflict problems.

In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.

Cisco ASA Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.

Extensive Knowledge on the implementation of Cisco ASA 5500 series and checkpoint R 75 firewalls.

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 the design.

Hands on experience working with Cisco Nexus 7K, 5K & 2K Switches.

WoISErked on NXOS, IOS, and IOS-XR BXB to N7K-NXOS (MPLS) system test.

Good knowledge of CISCO NEXUS data center infrastructure with 5000 and 7000 series switches includes (5548, 7010) including CISCO NEXUS Fabric Extender (223, 2248).

Experience in F5, Cisco ACE 4710 Load balancers.

Extensive understanding of the Application Security Module (ASM) technology

Experience in working with load balancer for converting CSS to ACE

Experience in F5, Cisco ACE 4710, F5 load balancers - LTM, GTM series like 6400, 6800, 5000, 2000 for the corporate applications and their availability.

Strong hands on experience in installing, troubleshooting, configuring of Cisco 7200, 3800, 3600, 3400, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.

In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.

Experience in working with video from end-point in the network to the backend.

Experience in the setup of Access-Lists, and RIP, EIGRP, and tunnel installations

Strong knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.

Experience in working with Windows power shell scripting to maintain and administrating server environments.

Experience with Layer 2 and Layer 3 protocols like LDP, RSVP/ TE, QOS, COS L2 VPWS and VPLS, FRR.

Experience in configuring HSRP and redistribution between routing protocols troubleshooting them.

Experience on Virtual Private Network (VPN) for operating Network and Data Center.

Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark and Cisco works to support 24 x 7 Network Operation Center.

Experience with Internet/Intranet Networking Protocols and Services

Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.

Access control server configuration for RADIUS & TACAS+.

Excellent qualities such as Teamwork, Negotiation, Analysis and Communication

Technical Skills:

Routers

Cisco 2600, 3600, 3800, 7200, 7600, ASR 9001

Switches

Cisco 2960, 3750, 4500, and 6500 and Nexus 2K/3K/5K/7K series

Routing Protocols

RIP V1/V2, EIGRP, OSPF, BGP, Summarization, Route Filtering, Redistribution and static routing

Switching

VLANs, Dot1Q, VTP, STP, RSTP, PVST+, RPVST, VLAN Maps, Inter VLAN, Routing & Multi-Layer Switching, Ether channels (LACP, PAGP), VSS, VPC, VDC, CEF, DCEF, Port Security

Gateway Redundancy

HSRP, VRRP, GLBP

Firewall

Cisco ASA, PIX Checkpoint GAIA Console R75.40 & R77.10R75/76 and Juniper SSG series

Load Balancer

F5 LTM/GTM

WAN Technologies

ATM, Frame relay, (E1/T1/E3/T3) lines, PPP, HDLC, DS3, OC192

System Administration

Windows 2000/XP/2003/Vista/Windows 7, Windows 2008 server, Linux.

Professional Experience

Federal Home Loan Banks, Des Moines, IA Aug 2014 – Present

Network Engineer

Responsibilities:

Configured Routing protocols such as RIP, OSPF, EIGRP, static routing and policy based routing.

Team member of Configuration of Cisco 7206 router with VPN and Configuration of Catalyst switches.

Configuration 7500, 7200 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.

Create and test Cisco router and switching operations using OSPF routing protocol, ASA 5500 Firewalls, and MPLS switching for stable VPNs.

Troubleshooting the Network Routing protocols (BGP, EIGRP and RIP) during the Migrations and new client connections.

Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas.

Redesign of Internet connectivity infrastructure for meeting bandwidth requirements.

Configured and managed VLANs, 802.1Q Trunk, RPVST+, Inter-VLAN routing, HSRP and LAN security for Layer-2 and Layer-3 switching domains as per the organization's requirement plan.

Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.

Setup NFS and Samba File sharing on Linux and Windows servers.

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.

Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.

Strong working knowledge of Nexus 5K/7K /2K.

Experience working with Nexus 7010, 5020, 2148, 2248 switches.

Implementation and configuration of F5 Big-IP LTM-6400 load balancers.

Installation and administration of Checkpoint R 75.40 Firewall.

Implemented firewall policy change on the Checkpoint clusters

Verified and Validated the Firewall policy on Checkpoint R75 clusters for unused rule and helped consolidating rule

Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based authentication.

Implemented, configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).

Technical assistance for LAN/WAN management and complex customer issues.

Provided support for troubleshooting and resolving Customer and user reported issues.

Worked with Network Engineer’s in the installation and configuration of firewalls.

Involved setting up the TFTP server for backing up the IOS images and configuration files of Cisco Routers and Switches and troubleshooting the file servers.

Upgrades, installs, configuration and administration security and monitoring tools on Linux.

Experience with Security- Firewalls, NAT / PAT, IPSEC, S2S.

Experience with ALG (RTP, RTSP and FTP, DNS, HTTP), DHCP.

Responsible for network evaluations, troubleshooting a variety of network problems, and implementing various software and hardware upgrades efficient performance.

Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.

Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.

Provided redundancy to the network, implemented hot standby routing protocol (HSRP) and Load sharing for effective utilization of routers.

Configuring, implementing and troubleshooting VLAN’s, VTP, STP, Trunking, Ether channels.

Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP.

Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems

Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, and BGP etc.

Performing network monitoring, providing analysis using various tools like Wireshark, Solarwinds etc.

Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.

Responsible for Cisco ASA 5500 firewall administration, Rule Analysis, Rule Modification.

Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems

Environment: Cisco 3500/3550/4500/6500 switches and Cisco 2500/2600/3000/6500/7500/7200 routers, Cisco ASA, Checkpoint, Cisco Nexus7K/5K/2K, LAN, OSPF, BGP, RIP, EIGRP

Verizon Wireless, Alpharetta, GA Feb 2013 – Jul 2014

Senior Network Engineer

Responsibilities:

Performed network engineering, planning (WAN & LAN) & implementation, Studied single point failures & implemented WAN structure in such a way that there are no failures in network in case of any device or link failure.

Configured LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.

Performed network monitoring and packet tracing using tools like Wireshark, OPNET.

Setting up VLANS and configuring ISL trunk on Fast-Ethernet channel between Switches.

Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.

Worked with F5 load balancer and Cisco ACE 4710 Load balancers

Configuring and implementing F5 BIG-IP, LTM, GTM load balancers to maintain local and global traffic.

Configuring Virtual Chassis for Juniper switches EX-4200,Firewalls SRX-210

Implementing, Monitoring, Troubleshooting and Convergence in Frame-Mode MPLS inside the core.

Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches

Understand the JUNOS platform and worked with IOS upgrade of Juniper devices

Configured OSPF, BGP on Juniper Routers and SRX Firewalls.

Configured routing policy for BGP. Switching related tasks included implementing VLANs and configuring ISL trunk and 802.1Q on Fast-Ethernet channel between switches

Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers

Troubleshooting on network problems with Wire shark, identify problem and fix.

Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card Redistribution of routing protocols and Frame-Relay configurations.

Configuring and troubleshooting type of routing to route traffic flow per customer requirement as primary, backup/load balanced and load splitting.

Performed the maintenance of Active Directory and replication scheme, DNS/DHCP services and time services; wrote step-by-step procedures for implementing upgrades.

Dealt with creating VIP(virtual servers), pools, nodes and applying rules for the virtual servers like cookie persistency, redirection of the URL

Configured VLANs on a switch for inter-VLAN communication. Configured VLAN Trucking Protocol (VTP) on Core Switches. Configured various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches for STP, VTP Domain, VLAN, Trucking, Fast Ether Channel configuration.

Performed installation, configuration and testing of Aruba’s wireless Access points.

Successfully installed Palo Alto Next-Generation PA-3060, PA-5060 firewalls to protect Data Center with the use of IPS feature

Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.

Implemented security policies using ACL, PIX firewall.

Monitored usage of network resources with Cisco works, and using sidewinder in PIX Firewall.

Implemented Cisco IOS Firewall IDS using 2600 series router.

Environment: Cisco routers (1600,3600,7300) and Cisco switches (6509, 3550, 4500,2900),Nexus(7K, 5K & 2K), Routing protocols (EIGRP, OSPF, BGP), Switching Protocols(VTP,STP,GLBP,HSRP), F5 load balancer, Cisco PIX(525, 515E), ASA(5540, 5510) firewall, Palo Alto firewall.

Express Scripts, Franklin Lakes, NJ Oct 2011 – Feb 2013

Network Engineer

Responsibilities:

Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.

Team member of Configuration of Cisco 7206 router with VPN and Configuration of Catalyst switches.

Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.

Configured Routing protocols such as RIP, OSPF, EIGRP, static routing and policy based routing.

Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.

Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas.

Redesign of Internet connectivity infrastructure for meeting bandwidth requirements.

Performed packet tracing using OPNET.

Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.

Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.

Providing Technical Support and solutions for Network Problems.

Planned, tested and evaluated various equipment’s, systems, IOSs and procedures for use within the Network / security infrastructure.

Upgrading IOS, troubleshooting network outages.

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.

Configured and troubleshoot cisco WAP, and cisco prime

Hands-on experience in the network management of circuits using TDM and Frame Relay network, performing configuration and provisioning management, fault management and performance monitoring

Environment: BMC Remedy, Cisco ASA 5540, BIG-IP LTM 8900, QOS, Policy-maps, Class-maps, Nexus, VLAN’s, STP, RSTP, PVSTP, VTP, HSRP, Ether Channel, BGP, OSPF, EIGRP, MPLS, ATM, PPP, HDLC. SNMP, TACACS+, DNS, DHCP, Checkpoint, F5 Load balancer, Nexus 7K,5K,2K,Juniper 3600,Juniper 5600

PepsiCo, Plano, TX Jul 2010 – Sep 2011

Network Engineer

Responsibilities:

Manage installations, configuration and administration of Cisco equipment in IT architecture of organization.

Configure IT LAN/WAN elements and held responsibility of maintaining and monitoring performance of network.

Provide Tier1 technical support; assist users facing network problems and Perform advanced troubleshooting, diagnostics and provide tier/level-1 solutions to network failures.

Network Migration from RIP to OSPF and EIGRP.

Network infrastructure support to routing and switching equipment.

Redistribute routing protocols and Frame-Relay configuration.

Design the layout for cable installations.

Involved in design and deploying various network security & High availability products like Cisco ASA and other security products.

Support customer with the configuration and maintenance of ASA firewall systems.

Troubleshoot and resolved dynamic routing, Ethernet switching and host connectivity issues in a window and network environment.

Troubleshoot wiring problems and serial communication lines.

Develop, plan and maintain documentation necessary for operation in support of LAN to WAN connectivity.

Maintain excellent communication with the IT Manager on all tasks and projects.

Innominds, India Aug 2007 – Jun 2010

Network Engineer

Responsibilities:

Migration of RIP V2 to OSPF, BGP routing protocols.

Configured EIGRP for Lab Environment.

Implemented ISL and 802.1Q for communicating through VTP.

Working with Client teams to find out requirements for their Network Requirements.

Designing solutions for frozen requirements using Cisco Routers and Switches.

Deploying the network infrastructure to meet the requirements.

Created VLAN and Inter-Vlan routing with Multilayer Switching.

Documenting and Log analyzing the Cisco ASA 5500 series firewall.

Monitor performance of network and servers to identify potential problems and bottleneck.

Performed administrative support for RIP, OSPF routing protocol.

Maintained redundancy on Cisco 2600, 2800 and 3600 Router with HSRP.

Real time monitoring and network management using Cisco Works LMS.

Provided technical support on hardware and software related issues to remote production sites.

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