SUMMARY

• 8 years of experience in Designing, Implementing and Troubleshooting Service Provider Networks and Enterprise Networks and Network administration, implementation, design and troubleshooting Seeking a challenging and interesting opportunity in computer/network engineering which enables me to maximize my technical and managerial skills.
• Working knowledge of installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700 series, 6500 series)
• Expertise in installing, configuring, and troubleshooting of Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800)
• Hands on experience of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
• Protocols working experience/Awareness: OSPF, EIGRP, RIP, BGP, HSRP, ACL, IDS, SDDC, NSX, VTP, NAT/PAT, CDP, SSH, HTTP, HTTPS, NTP, SNMP, ARP, STP (802.1D), SNMP, DNS & DHCP.
• Work experience on Cisco catalyst 6509 and implemented VSS along with VDC and VPC on Nexus 5505, 7009 switches.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Extensive Knowledge on OSI 7 - layer model specifically with layer 4 to layer 7, Riverbed performance manager, Wireshark, Controller Operations, ticketing management systems like Jira.
• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Extensive experience in testing and test automation development and also experience in Telecom/ Datacom and client/ server technologies.
• Extensive Knowledge on the implementation of Cisco ASA 5500 series firewalls.
• Good Understanding of IPS/IDS, Proxies, encryption, ASR and CRS routers and the configuration of MPLS, VRF's and BGP.
• Working knowledge and experience supporting CRS, ASR9k, 7600, and 6500.
• Hands on experience working with Cisco Nexus 7K, 5K, 3K & 2K Switches.
• Experience in configuring HSRP and redistribution between routing protocols troubleshooting them.
• Strong understanding on Software Development Life Cycle (SDLC), OSS/BSS Fundamentals, Datacom Fundamentals & IP Routing, QTP tool, TCL/TK, UNIX, Perl and Shell scripting and Software Testing methodologies and concepts.
• In-depth knowledge of implementing, configuring and troubleshooting Routing Protocols Static Routing, EIGRP, OSPF, BGP
• Extensive experience in Designing, Implementing and Troubleshooting Service Provider Networks and Enterprise Networks.
• Extensive knowledge of deploying and troubleshooting L2/L3, TCP/IP, Multilayer Switches
• Hands on expertise in implementation and troubleshooting of protocols such as STP, RSTP, PVST, HSRP and VRRP.
• Strong understanding of IPTV Technologies and Network Environments.
• Experience with designing an IPTV network with MPEG/IP/encoders, switches, routers, middleware server & IP set top boxes.
• Good Knowledge/experience in configuration of Voice over IP VOIP like Cisco, PBX, MS Lync.
• Network management using Syslog, Packet Sniffers, SNMP etc.
• Extensive working knowledge in ITIL, Nagios, Rancid, developing test plans, procedures, and testing Various LAN/WAN Products and Protocols.
• Good knowledge in configuring wireless device through prime 2.1 and 2.2
• Extensive knowledge of deploying & troubleshooting TCP/IP, Implementing IPv6, Translation from IPv4 to IPv6, Multilayer Switching, UDP, Ethernet, Voice & Data Integration techniques.
• Created and design network layout and documented network system design with detail information using Visio software. Vendor co-ordination for hardware issues and assessment management.
• Specialize in VoIP traffic analysis and designing VoIP networks for small MSPs.
• Well experienced in troubleshooting and optimizing performance in CISCO based routers and switches. Have worked in NOC environment for more than 5 years.
• Excellent problem solving and debugging skills with good verbal/written communication and presentation skills
• Working knowledge include data networking, system operations.
• Hands on experience with IXIA Packet generator. Developing TCL scripts for automation.
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.

TECHNICAL SKILLS

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600, ASR 9K, ASR 12K, CRS

Routing Protocols: OSPF, EIGRP, BGP, RIP v1/v2, MPLS PBR, Route Filtering, Redistribution, Summarization, and Static Routing

Switches: Nexus 2K/5K/7K, Cisco Catalyst 6500, 4500, 3850,3560, 3750, 2960

Switching Protocols: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channels, Transparent Bridging

Multicast Protocols: IGMP, IGMP version 2 and 3, CGMP, PIM-Sparse and Dense Mode. DHCP, FTP, TFTP

LAN technologies: Ethernet, Fast & Gigabit Ethernet, VLANS, VTP, STP, RSTP, 802.1W, Cisco Prime

WAN technologies: Leased lines 128k - 155Mb (PPP / HDLC), Channelized links (T1/DS3/OC3/OC12), Fiber Optic Circuits, Frame Relay, ISDN and ATM

Load Balancer: F5 Networks (Big-IP) LTM 8900 and 6400

Network security: Cisco ASA 5540, ACL, IPSEC, F5 Load Balancer, Checkpoint, IPSec VPN, GRE VPN

Network Management: SolarWinds, Proteus, Xilinx 9.21, HP Open-view, Wireshark, Spirent, SNMP

Operating systems: Windows XP/ 7/ 8, Windows Server 2003/ 2008, Mac OS X and Linux

Language skills: C, C++, Python, Bash, XML, SQL

Various Features & Services: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP

Applications: MS (Office, Word, Outlook, Excel, PowerPoint, Visio), VMware, Adobe Photoshop and Illustrator

PROFESSIONAL EXPERIENCE

Confidential, Menlo Park - CA

Sr. Network Engineer

Responsibilities:

• Involved in configuring and implementing of composite Network models consists of Cisco 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Responsible for testing and documenting hosted VoIP/PBX. Programming of VoIP/SIP endpoints, Routers, switches, cabling, DHCP/ FTP/ TFTP servers and firewalls.
• Networks using routing protocols such as RIP, OSPF, BGP, EIGRP and manipulated routing updates using route-map, distribute list and administrative distance.
• Involved in Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, STP, Inter-VLAN routing, LAN security etc. Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based authentication.
• Configured OSPF redistribution and authentication with type 3 LSA filtering to prevent LSA flooding.
• 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.
• Worked on documentation to create Visio diagrams using MS Visio.
• 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.
• Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating with the vendor.
• Troubleshooting the Juniper SRX100 and 110 series, Juniper Netscreen routers with Site-Site VPN, and firewalls for Supervalu Retail sites.
• Train the Customer’s design, implementation and support personnel to configure and operate the Juniper Networks products.
• Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments.
• Troubleshooting various network security related issues using Cisco SDM.
• Monitoring links using Solar Winds.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, port aggregation
• Hands on experienced in Telecom/ Datacom testing tools like Spirent and using Python script and TCL/TK to generate the test cases.
• Experience with Cisco ASR’s, Catalyst 6500 series switches, 2800 series, and 3800 series. 2900 series and 3900 series routers.
• Configured VPC, FEX and VDC’s on Nexus 5K, 7K.
• Coordinate with Server, Security, Application teams along with 3rd party vendors to provision and setup third party servers, network devices in Data Center environment.
• Worked on ASA 5510/5520 firewalls configuration and Implementation for the network.

Environment: Cisco 7600/7200/3800 routers, Cisco 2950/3500/5000/6500 switches, ASA Firewall 5510/5520, Juniper SRX100, OSPF, BGP, EIGRP, RIP, VLAN, LAN, WAN, VPN, F5 BIG-IP LTM 8900, Nexus 5K/7K, VOIP.

Confidential, Providence, RI

Sr. Network Engineer

Responsibilities:

• Responsible for implementing, supporting, and maintaining 24x7 network services.
• Coordinated efforts with Engineer’s to ensure all network devices conformed to defined network standards.
• Configured and troubleshooting HSRP, BGP, OSPF, EIGRP, MPLS WAN, QoS and Route Maps.
• Troubleshoot connectivity issues involving VLAN’s, OSPF, and QoS etc.
• Support, monitor and manage the IP network.
• Maintained core switches, creating VLAN’s and configuring VTP.
• Expertise in working with various Cisco routers such as CISCO 6500, CISCO 7613, CISCO-GSR, CISCO-GSR-XR, CRS-16/S and, CRS-8/Designed IP Addressing schemes, VLAN tables and Switch port assignments, Trunking and Ether-channel implementation.
• Gained hands on experience with VLSM, STP, VTP, VLAN Trunking.
• Managed and developed network projects designed to strengthen network continuity and deploy security elements in an attempt to meet and exceed contract requirements, including system analysis and troubleshooting.
• Migrated L3VPN Traffic from Juniper M320's to Cisco CRS-1 with minimum disruption.
• Built an accruing network via MPLS circuits to split the trusted and untrusted traffic via a Cisco ASR.
• Configured the ASR to use the VRF routing functions to completely split the traffic through the network.
• Knowledge and experience of 802.11 a/b/g/n Ethernet standard for wireless Technology.
• Working knowledge of agile methodology explaining network diagram and topologies for future upgrades.
• Implemented, configured redundancy protocols HSRP, VRRP, GLBP for Default Gateway Redundancy.
• Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF and BGP etc.
• Experience in migration of VLANS and also involved in lab designing.
• Primary responsibility is to design and deploy various network security & High Availability products like Checkpoint, Cisco ASA other security products
• Worked on Change management, monitoring network performance with network tools.
• Worked with vendors and Engineering team to test new hardware and procedures.
• Responsible for preparing test cases for L2/L3 protocols testing.
• Installed and set up Cisco routers and switches according to deployment plans.
• Applied access lists and NAT configurations based on implementation guidelines.
• Route configuration and point code checks for System Technician and Network Technician.
• Participated in generating cases with the help of Python and Bash scripts.
• Performing network monitoring, providing analysis using various tools like WireShark, Solarwinds etc.
• Assisting the installation and configuration of Cisco Prime within our environment.
• Responsible for Configuration of BGP and OSPF - BGP convergence on CRS routers.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
• Installed various network hardware including concentrators, bridges, and hubs to establish communication connections with remote locations.

Environment: Cisco 4400/7200/3900/7600 Routers, Cisco3650, 6800/6500/3560 Switches, RIP, OSPF, BGP, EIGRP, LAN, WAN, CISCO ASA 5500, GLBP, VLAN, QoS, HSRP, VRRP, Wireshark and Solarwinds.

Confidential, McLean, VA

Sr. Network Engineer

Responsibilities:

• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Maintaining Core Switches, creating VLANs and configuring VTP.
• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Performed redistribution with OSPF, EIGRP, RIP version 1 and 2 to enable communication with backbone.
• Network response time analysis and latency metrics provide granular understanding with the help of Riverbed, showing how the network affects application behavior and user experience.
• Troubleshooting of Cisco 2900, 3900, 6500, 7500, 7200 Series routers.
• Configured static NAT, dynamic NAT, dynamic NAT overloading.
• Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server.
• In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Responsible for designing, implementing and troubleshooting temporary infrastructures for Live Webcasting Events.
• Involved in F5 BIG IP LTM administration, familiar with enterprise level traffic managers like 6800, 3600, 1600, 3400 series.
• Configured BGP interfaces on CRS routers followed by troubleshooting of BGP and OSPF.
• Upgrade Cisco Routers and Switches IOS using TFTP.
• Performed different testing phases like Unit Integration, System, Acceptance, Regression testing and should be capable to perform these tests with the help of ready-test cases.
• Installed and configured Cisco IP Phone 794x, 796x, 7937’s and IP Communicator.
• Creating dedicated VLANs for Voice & Data with QOS for prioritizing VOICE over DATA.
• Performed installation and management of overall administration of LAN, WAN, systems involving design of network layouts, configuration and maintenance, Commissioning Routers & Switches, firewalls, IPS and ensuring maximum uptime during site deployment to VoIP.
• Configuring and adding, moving, removing of various IP phones like (7941, 7961, and 7971)
• Knowledge on VOIP protocols like H.323, RTP, SIP and good understanding about VOIP devices.
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
• Performing network monitoring, providing analysis using various tools like WireShark, Solarwinds etc.
• Implementation and configuration of F5 Big-IP LTM-6400 load balancers
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
• Responsible for Cisco ASA firewall administration across our global networks

Environment: Cisco 3550/4500/6500 switches, Cisco 2900/3900/6500/7500/7200 routers, F5 Load Balancer, ASA, VOIP, IP Phone, OSPF, BGP, RIP, EIGRP, LAN, WAN, CISCO IOS.

Confidential

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.
• Worked extensively 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.
• Responsible for LAN and internet connection file and print server.
• Support design and planning of Juniper MX, SRX, and EX network products and associated solutions within the Customer infrastructure.
• Maintained and installed new internet connections for customers.
• Handled installation of Windows NT Server and Windows NT Workstations.
• Handled Tech Support as it relates to LAN & WAN systems.

Confidential

Network Engineer

Responsibilities:

• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Used various scanning and sniffing tools like Wire-shark.
• Hands on Experience working with security issue like applying ACL’s, configuring NAT and VPN.
• Documenting and Log analyzing the Cisco PIX series firewall.
• Configured BGP for CE to PE route advertisement inside the lab environment.
• Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues.
• Provide Tier1 technical support; assist users facing network problems. 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
• Configured 2600, 2900 and 3600 routers with RIP and EIGRP.
• Implemented VTP and Trunking protocols (like 802.1q and ISL) on cat 3560, 3750 and 4500 switches.
• Installation, Maintenance, Troubleshooting Local and Wide Areas Network (ISDN, Frame relay, NAT, DHCP, TCP/IP).
• Configuration of Access List ACL (Std., Ext, Named) to allow users all over the company to access different applications and blocking others.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Providing Network and Security Architecture and Operations support services for Windows 2008 based web, application and database servers.
• Troubleshoot TCP/IP problems; troubleshoot connectivity issues in multi-protocol Ethernet, Environment.