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Network Engineer Resume

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Austin, TX


  • Over 7 years of Professional experience in Network Designing, Implementing, configuring and troubleshooting.
  • In - depth Cisco technology experience/knowledge in design, implementation, administration and Support.
  • In-depth knowledge of deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP, HSRP & GLBP
  • Experience in Layer 2 routing Protocol Configurations: ARP, RARP, ATM/FRAME RELAY and VPN technologies: IPSec & SSL.
  • Network Migration from RIP to OSPF.
  • Troubleshooting of complex LAN/WAN infrastructure.
  • Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during implementation.
  • Solid knowledge of TCP/IP and OSI model.
  • Experience in configuration of VPN, VoIP, BGP, IPSEC VPN, and EIGRP.
  • Working knowledge in internetworking protocols like HTTP, FTP, SMTP, DNS etc.
  • Familiarity with network security concepts and methodologies.
  • Upgrading and troubleshooting Cisco IOS to the Cisco Switches and routers.
  • Involved in SNMP Network management.
  • Working knowledge with monitoring tools like Solar Winds & network packet capture tools like Wire-shark
  • Network redesign for branches / Campus Locations.
  • Installation, Configuration and Administration of Windows Servers 2000/2003, Active Directory, FTP, DNS, DHCP, TFTP, Linux OS under various LAN and WAN environments.
  • Strong hands on experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches
  • Strong hands on experience on PIX 525, ASA (5520/5510) Firewalls. Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS)
  • Experience in upgrading the Security appliances to the latest OS and ensuring to meet the security standards as per the patch management.
  • Experience in implementing customer’s move, add, change, & delete/Disconnect (MACD) requests in Data Center Environment
  • Excellent analytical, problem solving, communication and interpersonal skills, with ability to interact with individuals at all levels.
  • Strong technical network troubleshooting and critical thinking skills with the ability to troubleshoot technical issues within multiple systems.


Network protocols: RIP, EIGRP, OSPF, IS-IS, BGP, HSRP, VRRP & GLBP

Network devices: Routers, Switches, Hubs, cable/trunks

Network monitoring tools: Solar winds Orion & toolset

Networking design tools: Microsoft Visio 2000/2010

Infrastructure Services: DHCP, DNS, SMTP, FTP, and TFTP

Platforms: Cisco IOS (11.x, 12.x), PIX IOS (6.x, 7.x), CAT-OS UNIX, LINUXWindows XP, NT, 2000, 2003

Network Management: SNMP, Cisco Works, Kiwi-cat, What's-Up Gold, Ethereal

Documentation: MS Office

WAN Technologies: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPPDS1, DS3, OC3, T1 /T3 & SONET

Network Security: NAT/PAT, Ingress & Egress Firewall Design, VPN Configuration, Internet content filtering, Load balancing, IDS/IPS, URL Filtering - Web-sense, Kiwi Syslog server logging, SSL, IPSEC, IKE, Static, Dynamic, reflexive ACL and authentication AAA(TACACS+ & Radius)

EDA Simulation tools: PSPICE, LabVIEW, CADENCE


Confidential, Austin, TX

Network Engineer


  • Responsible for the installation, configuration, maintenance and troubleshooting of the company network. Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment
  • Involved in troubleshooting of DNS, DHCP and other IP conflict problems
  • Implementation of name resolution using WINS & DNS in TCP/IP environment
  • Spearheaded meetings & discussions with team members regarding network optimization and
  • Regarding BGP issues
  • Implemented the concept of Route Redistribution between different routing protocols
  • Switching related tasks included implementing VLANS, VTP, STP and configuring on Fast Ethernet Channel between switches
  • Responsible for configuring GLBP between multilayered switch networks.
  • Configured AAA with TACACS+ server
  • Configured Remote Access Servers with Frame Relay, Leased Line circuits
  • Configured FTP server for inside/outside users & vendors
  • Implemented the security architecture for highly complex transport and application architectures addressing well known vulnerabilities and using access control lists that would serve as their primary security on their core & failover firewalls
  • Used various scanning and sniffing tools like Wire-shark
  • Enabled STP Enhancements to speed up the network convergence that include Port-fast, Uplink-fast and Backbone-fast
  • Routing protocols OSPF, RIP & BGP
  • Configured BGP for CE to PE route advertisement inside the lab environment
  • Managed network connectivity and network security, between Head offices and Branch office
  • Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation
  • Involved in troubleshooting of DNS, DHCP and other IP conflict problems. Implementation of name resolution using WINS & DNS in TCP/IP environment
  • Administration of Cisco 11.x and 12.1 versions and higher
  • Monitored all Cisco equipment’s using Cisco Works
  • Involved in SNMP Network management. Worked on various scanning and Sniffing tools like Ethereal
  • Upgrades and backups of Cisco router configuration files to a TFTP server
  • Implementing and maintaining backup schedules as per the company policy
  • Installation & configuration of Cisco VPN concentrator 3060 for VPN tunnel with Cisco VPN hardware & software client and PIX firewall
  • Configured Firewall logging, DMZs & related security policies & monitoring
  • Creating Private VLANs & preventing VLAN hopping attacks & mitigating spoofing with snooping & IP source guard
  • Hands on Experience working with security issue like applying ACL’s, configuring NAT and VPN
  • Documenting and Log analyzing the Cisco ASA 5500 series firewall
  • Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
  • Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation
  • Configured network access servers and routers for AAA Security (RADIUS/ TACACS+)
  • Other responsibilities included documentation and change control
  • Worked on Cisco routers 7200, 3800, 2800 and Cisco switches 4900, 2900
  • Key contributions include troubleshooting of complex LAN/WAN infrastructure that include

Environment: In Corporate office architecture with highly reliable & secured network including Cisco routers (7200,3800,2800), Cisco switches (4900,2900), Cisco ASA Firewall (5510), Routing Protocols (EIGRP, RIP, BGP), Switching protocols (VTP, STP, GLBP)

Confidential, Portland, OR

Network Engineer


  • Support to plan and execute LAN (VLAN management) and WAN management activity.
  • Daily administration and maintenance of a WLAN and its related infrastructure.
  • Generate network-related reports to analyze and plan network performance improvements.
  • Identifying, troubleshooting and resolving incidents related to VLAN’s, access and trunk port configurations.
  • Physical layer connectivity and virtual server connectivity.
  • Provides technical support to users
  • Performs troubleshooting to isolate and diagnose network problems
  • Analyzes network needs and recommends changes in design and/or procedures
  • Contributes to the design of network architectures and integrations
  • Evaluates hardware and software requirements and capabilities and makes appropriate recommendations based on findings
  • Installs, configures, tests, and troubleshoots network hardware and software
  • Establishes secure environments for networks being installed
  • Gathers statistics on performance capacity and availability
  • Planned IT network infrastructure with clients to ensure that the systems are tailored and comply with their requirements and needs.
  • Implemented IT network projects: Installed, configured and maintained network services, hardware systems and peripheral equipment/devices.
  • Administered servers and server clusters - Managed system back-up, database and restored protocols.
  • Performed network QA test, executed system analysis and troubleshooting in order to resolve problems on servers, workstations and other network devices.
  • Monitored the network performance regularly to improve performance and functionality.
  • Monitored network/software security - Controlled access to the IT network and updated security programs as a part of the security procedure.
  • Monitoring and troubleshooting of perimeter firewalls & internet bandwidth services.
  • Coordinating with field staff at various locations in performing the above activities.
  • Directly interacting with customers in circuit related problems.
  • Troubleshooting and regular follow-up with SDH team to minimize downtime of WAN circuits.
  • Trouble shooting the application slowness as well firewall related issues.
  • Upgrading the existing networks and suggesting for new implementations.
  • Looking into the last mile issues such as wireless related issues.

Environment: In Corporate office architecture with highly reliable & secured network including Cisco routers 7200,3800, 2800), Cisco switches (4900,2900), Cisco ASA Firewall (5510), Routing Protocols (EIGRP, RIP, BGP), Switching protocols (VTP, STP, GLBP)

Confidential, North Canton, OH

Network Engineer


  • Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
  • Tuned BGP internal and external peers with manipulation of attributes such as metric, origin and local Preference.
  • Cisco Secure Access Control Server (ACS) for Windows to authenticate users that connects to a VPN 3000 Concentrator.
  • Experience with Synchronous Optical Networking (SONET) over optical fiber.
  • Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series and ASR 9k, GSR 12K routers and Cisco 2950, 3500, 5000, 6500 Series switches.
  • Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using 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.
  • Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
  • Configuring, Installing and troubleshooting on Check Point Devices.
  • Policy Building using IDP.
  • Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to 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, Checkpoint, IDS/IPS and Juniper Netscreen firewalls.
  • Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path.
  • Worked on Juniper J series j230, M 320 routers and EX 3200 series switch.
  • 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 (RIP) on the customer’s Site.


Network Engineer


  • Maintained redundancy on Cisco 2600, 2800 and 3600 Router with HSRP and VRRP.
  • Implemented and configured routing protocols like EIGRP, OSPF.
  • Monitor the operability and reliability of the network.
  • Responsible for SNMP Monitoring and Performance Tuning software.
  • Designed WAN structure to prevent single point of failure in case of link failure.
  • Maintenance and Troubleshooting of connectivity problems using PING, traceroute.
  • Planning and Implementation of Sub netting, VLSM to conserve IP addresses.
  • Monitor the operability and reliability of the network.
  • Configured STP for loop prevention and VTP for Inter-VLAN Routing.
  • Configuration and troubleshooting of EIGRP, OSPF, BGP.
  • Configuration of Standard and Extended ACLs for Security.
  • Troubleshooting the issues related to routing protocols.
  • Managing, troubleshooting and monitoring the network using Network Monitoring tool.
  • Network Security implementation with Cisco IOS Feature Set, NAT, and Simple Network Management Protocol.
  • Provided support for troubleshooting and resolving Customer reported issues.
  • Performed IOS upgrades on Catalyst 3550, 2950, 1900 switches, and 3600, 2600 and 2500 routers.
  • Provided support for global network including T1/T3, ATM connections using HDLC and Frame Relay on 2600, 4000 series Routers.
  • Installed wireless access points (WAP) at various locations in the company.
  • Technical assistance for LAN/WAN management and complex customer issues. Environment: Cisco Routers - 2500, 2600, 3601 series, Cisco Switches -2900, 3550, 4000.


Network Engineer


  • Assisted the network team in maintaining the company network
  • Maintained a network lab with more than 30 routers (3600 series), 50+ switches (2900 series), firewall and other network devices like DHCP, DNS servers and VPN concentrators
  • Helped the network team to install new switches and routers and configure the IOS according to the requirement
  • Which included VLAN, OSPF, Sub netting, EIGRP, BGP, VTP, PaGP, spanning - tree, IP Sub netting, wireless access points, T1 circuits and PIM-SM using auto RP
  • Assisted in backing up, restoring and upgrading the Router and Switch IOS
  • Assisted company for VOIP network management and troubleshoot
  • Set up network connectivity for Cisco training in the classroom. This involved connecting the routers, switches and firewall physically and loading them with a base configuration. It also involved connecting the PCs to the network and providing Internet connectivity
  • Worked on Data, VoIP, security as well as wireless installations and technologies
  • Attended team meetings and provided comments on existing network and the recommendation to improve the current network performance
  • Identifying technical problems and debugged hardware and software related to LANs/ WANs, different kind of workstation (PC/ MAC/Linux), laptops, printers, scanners, copier
  • Maintained the health of 40+ wireless devices throughout the company
  • Desktop support for users including, MS Office, Windows 2000/XP, MAC, Linux, Operated and staffed help desk support for more than 500 users and 5 computer Laboratories
  • Interface effectively with other departments and staff to ensure satisfactory and timely resolution of their issues or problems
  • Experience of VMware ESXi and VMware Infrastructure

Environment: CISCO routers and switches, Access Control Server, VLAN, Trunk Protocols, CISCO ASA, DHCP, DNS

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