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Sr. Network Engineer Resume

4.00 Rating

San Mateo, CA


  • 8 years of experience in Networking, Network design and administration, troubleshooting and testing on Cisco as a Network Test Engineer.
  • A highly motivated individual with proven ability to learn fast, work well under pressure and ability to work in a team as well as independently.
  • Comprehensive knowledge of CISCO networking technologies and protocols.
  • Familiar with CISCO IOS & NX - OS.
  • Strong Knowledge of L2 & L3 protocols in Networking.
  • Proficient handling Cisco Routers, Cisco Switches.
  • Expertise in Configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter-VLAN routing and VLAN Trunking using 802.1Q.
  • Designing, Implementing and Troubleshooting Cisco Routers (800,2800,2600,3800,7600) using Static, RIP, OSPF, EIGRP, BGP.
  • Protocols Awareness: OSPF, EIGRP, RIP, BGP, HSRP, ACL, VTP, NAT/PAT, CDP, Telnet, SSH, HTTP, SNMP, ARP, STP (802.1D), SNMP, DNS & DHCP.
  • Hands on Experience in physical cabling, IP addressing and sub netting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
  • Experience in the setup of Access-Lists, and RIP, EIGRP.
  • Expertise in implementing Layer 2 technologies including VLAN’s, VTP, STP, RSTP, Trunking and Port-security, expertise on working with Ether-channel technology (LACP, PagPs).
  • Extensive Knowledge of L2/L3 Multicast - IGMP, PIM.
  • Manual testing and Automation of test cases.
  • MTU test and fragmentation.
  • Experiencing in using Ixia, the network traffic and protocol simulation devices.
  • Skilled in designing, planning and implementing LAN/WAN solutions.
  • Proficient in technical and non-technical communication, both in oral and written.
  • Excellent problem solving, analytical and logical thinking skills.
  • Network connectivity troubleshooting and configurations.
  • Communicating and negotiating with users, specialists, other staff and suppliers.
  • Expert level knowledge of inter networking technologies - Routing and Switching.
  • Able and willing to work flexible hours when necessary.
  • Extensive knowledge of Network System Engineering methods.
  • Routing related tasks included providing Cisco router configuration providing technical support for Cisco Router configurations and installation for Customer. Configured IP, EIGRP and OSPF networks.
  • Switching related tasks included implementing VLANS and configuring 802.1Q on Fast-Ethernet channel between switches
  • Extensive knowledge of Microsoft based operating systems, including Windows Server 2003, and Windows Vista, Windows 7.


Routing Technology: RIP, RIPV2, IGRP, EIGRP, OSPF, TCP/IP, Static and Dynamic Routing.

Hardware: CISCO Routers 1700, 1800, 2500, 2600, 2800. CISCO High End Routers 3600, 3800, 7200, 12010, 12404. CISCO Switches 1900, 2950, 2950, 2960G. CISCO Campus Switches 3550XL, 4948 Core Catalyst 4503, 4507 RE, Catalyst 6500/6503/6507,Nexus 5k, Nexus 7K.

Antivirus & Endpoint protection: Cisco CSA, Symantec Enterprise Edition, MacAfee Enterprise Edition.

Scripting Languages: Python, TCL

LAN Technology: VLAN, VTP, Inter-vlan routing, ISL, 802.1Q, STP, RSTP, PVST, Ethernet

Redundancy protocols: HSRP, VRRP, GLBP.

Servers: Domain servers, DNS servers, WINS servers, Mail Servers, Proxy Servers, Print Servers, Application servers, FTP Servers

Test Tools: Wireshark and Ixia

Operating Systems: Cisco IOS, Windows NT 4.0 (Desktop/Server), Windows 2000/2003/2008 Server, Windows XP/Windows 7/8, LINUX.


Confidential, San mateo, CA

Sr. Network Engineer


  • Implemented LAN/WAN utilizing CISCO 7200, 7204, 7206.
  • Design OSPF Areas for reliable Access Distribution and for Core IP Routing.
  • Redistribution of routing protocols and Frame-Relay configurations
  • Responsible for comprehensive testing of all carrier-technologies used in the company using Wireshark, IXIA.
  • Configuring routing switches, IP addresses, printers and machinery.
  • Designed, maintained and updated IP flow diagram of network diagrams.
  • Implemented SNMP on Cisco routes to allow for network management
  • Implementing NAT solutions on CISCO IOS routers.
  • Network Migration from RIP to OSPF
  • Implementation and configuration of VPN Tunnels.
  • Configuring VLAN trunking Protocol (VTP) on core switches.
  • Configured HSRP and VLAN trunking 802.1Q, VLAN routing on catalyst 6500 switches. .
  • Configured BPDU Guard, port-fast, up-link fast and other spanning tree features.
  • Study single point failures & design WAN structure in such a way that there are no failures in network in case of any device or link failure.
  • Designing and Implementation of (LAN) VLAN's, VTP, Spanning Tree(STP), Trunking(802.1Q and ISL) and Ether-channel.
  • Worked on designing LAN(Ethernet) and WAN infrastructure for the new data center using Visio.
  • Setting up VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
  • Maintained a Network with more than 600 Network devices, some 20,000-end hosts, and the other Network devices like DHCP, DNS Servers.
  • Documented all the work done by using Visio, Excel and MS word.
  • Troubleshooting of CISCO routers like ping, trace route and basic issues.
  • Configured Routing protocols such as OSPF, BGP, static routing and policy based routing.
  • Ensure connectivity and communication among networks, servers and clients inside and outside department.
  • IOS upgrade for Cisco routers & switches.
  • Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
  • Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, trunking, STP, Inter-Vlan Routing.
  • Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
  • Managing Layer 2 switches of Cisco, VLAN configuration and assigning ports to specific VLAN as per requirement.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 12000/7200/3845/3600 routers.

Confidential, Sparks, MD

Network Test Engineer


  • Involved in the troubleshooting aspects of complex network infrastructure using the routing protocols like RIP, EIGRP, OSPF and BGP.
  • Traffic Shaping and Traffic Management.
  • Configured and deploying Cisco catalyst 6506, 4948E, 4510 switches and Cisco 3660, 3845, and 7609 series Routers.
  • Performing Regression Testing with the Existing Automation Scripts.
  • Configured and managed Cisco access layer routers and switches.
  • Test normal load balancing of layer 2 and layer 3 traffic from switch to router, between routers.
  • Install, configure and troubleshoot LAN and WAN using Cisco routers, switches, firewalls and other devices. Maintain the full connectivity across the entire process plant.
  • Configured and managed VLANs, 802.1Q Trunk, RPVST+, Inter-Vlan routing, and LAN security for Layer-2 and Layer-3 switching domains as per the organization's requirement plan.
  • Design, implementation and operational support of routing/switching protocols in complex environments including OSPF, EIGRP, Spanning Tree, 802.1q, etc.
  • Configured and troubleshoot OSPF and EIGRP.
  • Implemented stub/Totally stub areas and various OSPF features like route-summarization and SPF throttling.
  • WAN Infrastructure running OSPF as core routing protocol.
  • Configured and performed troubleshooting on link state protocols like OSPF in single area and multiple areas.
  • Responsible for simulating network operations with the usage of packet analyzer like Wireshark and use to resolve tickets whenever there is an issue.
  • Worked on documentation to create Visio diagrams using MS Visio.
  • Responsible for monitoring and reporting error incidents for remote location servers
  • Installation, configuration and maintenance of Windows Servers 2003 and 2008
  • Responsible for maintaining Active Directory applications.
  • Installation and configuration of DNS, DHCP, and FTP servers
  • Through presentations at client sites, enabled them to meet various technical standards related to IPv6 and their technology enhancements
  • Experience testing and troubleshooting layer1 circuit, layer2 devices and WAN connections establishment and protocol debugging.
  • Experience in WAN connectivity using Cisco routers by using T1, T3 and frame relay connectionsand its troubleshooting issues.
  • Monitored the ticket queue for incoming tickets; updated tickets in accordance to Service Level Agreement requirements and escalated based on severity levels using Remedy.
  • Performed troubleshooting of routers, and installed and configured Cisco Multi-Layer Switches like 3550.
  • Resolve DNS issues; add Zones and domain addresses to the configuration files and the daemons on the live servers.
  • Provide Remote support and administration on network for internal and external clients using tools like Microsoft remote desktop connection.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960 6500 switches and Cisco 3640/12000 /7200/3845/3600/2800/7600 routers, Cisco Nexus 7K/5K, RIP,OSPF,BGP,EIGRP,VLAN,STP, Palo Alto.

Confidential, New York City, NY

Network Engineer


  • Troubleshooting and monitored routing protocols such RIP, OSPF, EIGRP & BGP.
  • Designed, validated and implemented LAN, WLAN & WAN solution to suite client’s needs.
  • Mapping client's requirements and providing them best solutions involving evaluation and definition of scope of project and finalization of project requirements.
  • Planning and execution of automated scripts for carrying out regression testing.
  • Managed the IP address space using subnets and variable length subnet masks (VLSM).
  • Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
  • Deployed HSRP to provide high network availability by protecting against a single router failure in production environment.
  • Configured the Cisco router as IP Firewall and for Nating configured RSTP, MST and used VTP with 802.1q trunk encapsulation.
  • Provided port binding, port security and router redundancy through HSRP.
  • Administrated the edge routers for internet connectivity, WAN connectivity to remote site using Frame-Relay, static mapping of the DLCI and other encapsulation methods.
  • Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.Worked on Cisco Routers, Active/Passive Hubs, switches.
  • Troubleshoot problems on a day to day basis; provide solutions to fix the problems.
  • Provide day to day support (troubleshooting & installing) for more than 200 users for hardware, network & software's including Microsoft Office applications, Mail clients and network related issues.

Confidential, Camp Hill, PA

Network & Support Engineer


  • Working as Automation Engineer for PfR Project. Which deals with Performance Based Routing with the base as OSPF, ISIS, EIGRP and BGP Routing Protocols.
  • Designing of automating test cases for dynamic input of data for test cases.
  • Performing Performance and Scalability Testing for IGP Protocols like OSPF and EIGRP.
  • Cisco products/hardware including Nexus 7k, 5k and 2k switches.
  • IOS upgrade in Nexus 7010 through ISSU (In service software upgrade)
  • Troubleshot VLANs, Virtual port channel (vPC) and configuration on Nexus 7k
  • Troubleshot unicast and multicast traffic on Nexus 7k.
  • Troubleshot Nexus 5k switch crash and SPAN configuration
  • Configured VLANs, VLAN Trunking with 802.1Q, and Ether Channel for redundancy across distribution layer switches.
  • Expertise in Design, Implementation and Support for large Lab networks involving various networking technologies and Cisco’s networking products.

Environment: Juniper routers J2350, M10, CISCO routers 2600, 2800, 3200, Apache, UNIX, Active directory, IPS, VLAN, IDS, STP.


Network Test Engineer


  • Implemented HSRP between Core switches and backbone routers.
  • Fine-tuned OSPF metrics to avoid routing loops and ensure redundancy in case of link failures.
  • Redistributed the required routes from Internal LAN into BGP and vice versa.
  • Clean up all legacy devices and insure all systems in the environment have been cleaned up.
  • Designed, developed, maintained and supported wired and wireless networks.
  • Study single point failures & design WAN structure in such a way that there are no failures in network in case of any device or link failure.
  • Routing Protocols (RIP, RIP V2, IGRP, EIGRP, OSPF), Virtual LANs, LAN, WAN and Ethernet.
  • Experience with protocols such as Frame Relay, IEEE 802.11 and DNS, DHCP, FTP, NTP, SNMP, and TELNET.
  • Configured HA, Failover.
  • Create templates and virtual machines on ESX Hosts.
  • Configured memory, processors, switches to virtual Machines on ESX host.
  • Involved in Scheduling Tasks, Monitoring Tasks.

Environment: Windows 2003/2000, IIS 6.0, WINS, VM ware ESX 3.0.


Jr. Network Engineer


  • Having strong Knowledge with Cisco 1921/k9, 3750, 1800 series routers & 2950, 2960series switches, Nexus 2k, 5k, 7k.
  • Configured OSPF, STP, Ether-Channel, HSRP, IP and VLAN for Cisco routers & Switches.
  • Familiar with Networking tools like CISCO IOS, Wireshark, Ping, Trace route, Speed Test.
  • Experience in troubleshooting of Layer 2 features (VLAN, STP, RSTP, VRRP, and Ether Channel).
  • Performing Manual Testing for the new Features in PfR and Building up the TestPlan based on the Manual Testing.
  • Gained hands on experience with VLSM, STP, VTP, VLAN Trunking.
  • Strong knowledge with Cisco Nexus OS & Cisco IOS.
  • Quick learner with an excellent interpersonal, verbal/written communications, problem solving and decision-making skills.
  • Tracking and documenting daily work issues and communicating with rest of team.
  • Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, and OSPF.

Environment: CISCO 2600, 2800 and 3200 series routers, CISCO 3300 and 2950 switches.

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