Network Engineer Resume
Dallas, TexaS
SUMMARY
- 8+ years ofexperienceinnetworking, installing, configuringand maintaining networkdevices.*ImplementingIPaddressingschemes,LAN/WANprotocols,IP Services, to meet network requirements in different environments.*Experience in installing, configuringand troubleshooting Switches, Routers and Wireless AP's
- (1260, 3600) usingCLIand GUI.*Experienceinconfiguringand troubleshooting 0 SPF, EIGRP, BGP, VLAN's, Trunking, VTP, STP, PVST, RSTP, HSRP, 802.lq, and Ether - channels.*Familiarwith IPv6, 0SPFv3.*Networksecurityexperience .*Hands on experienceonsubnettingand VLSM,STP, VTP, VLANtrunking.*Knowledgeof networkmonitoring/managementtoolslikeWireshark,CiscoPrime,Solar Winds.*ExperienceindiverseITdisciplines,includingnetworking, technical support,programming,operatingsystems, virtualization,andsystem administration.*Strongdocumentationanddiagrammingskills.* Working knowledge of Change Management Process and Trouble Tickets Escalation. Ability to the lead, self-motivated, always looking to learn and contribute.
AREAS OF EXPERTISE
- Complex Problem Solving Operation Monitoring Programming
- Administration and Management Telecommunications Technology Design Writing
- Reading Comprehension
- Self-motivated Active Listening Troubleshooting Time Management Operation and Control Installation Repairing
- Telecommunications Ability to the lead
TECHNICAL SKILLS
Cisco Routers: 2800, 3600, 3700, 4400, 7200, 7500, 7600- Cisco Switches 2900, 3500, 3700, 3850, 2000, 7000, 5000, 6500- Cisco Wireless WLC 2500,5500. WAP'S 1500, 3600,3700- Other Hardware 7960 IP Phone,-
Networking: TCP/IP, UDP, ICMP, LAN, WAN, DHCP, FTP, TFTP, SNMP, ARP,VRF-
Other Protocols: HSRP, GLBP, VRRP,QoS/CoS, VoIP, IPv4,IPv6- Security ACL, NAT/PAT,VPN, ASA Firewall.
Routing: EIGRP, OSPF, BGP, MPLS-
Switching: VLAN, VTP,STP/RSTP, Ether-Channel (PAgP,LACP)- Operating Systems Win XP, Win 7, Win 8, Win Server 2008/2012, and Linux- Applications Wireshark, SolarWinds, Cisco Prime infrastructure, LMS, and Visio.
PROFESSIONAL EXPERIENCE
Network Engineer
Confidential
Responsibilities:
- Configure dandimplemente dBGP andEIGRPinamulti-protocolnetwork environ ent. Performednetworkmaintenanceandnetworkdevice systemupgrades, including service packs, patches, hot fixes and security configurations. Configured IPSEC VPN through GRE tunnel on firewalls.
- Troubleshooting switchstack management (i.e. configureauto softwareupdate onthe master switchto makethe software compatible on the whole stack).
- Involved in troubleshooting various layer 2 and layer 3 issues related to VRF and BGP routing.
- Built LANTCP/IPnetworkcomprised ofCiscoSwitches (6500, 7000, 3750, 3850, 3500, and 2900).
- Protectthe networkinfrastructure from rogue switches by enabling BPDU guard.
- DevelopedanoptimumIPAddressingschemes,VLANtables,andnetwork documentation and diagrams (Visio).
- PreventedVLANhoppingattack(shutdownunusedports,assignthemto isolated VLAN, make the native VLAN other than 1 and configure the access ports with no negotiate.
- Scheduled configurationarchiveforall managed devices(switches, routers, WLCs) on cisco prime infrastructure.
- ExperienceinallCiscoIOSandCatalystswitchestroubleshootingonthe networkwhichincluded butwas notlimited to 3700, 7200 and 7500 series routers and catalyst 6513 and 6509 switches.
- Configured, Implemented and troubleshoot Site-to-Site VPNs at branch sites. IOSmaintenanceconfigurationlikearchiving andbuildbackup configuration on regular basis for cisco switches and routers.
- Monitored networktrafficvianetwork monitoring tools and sniffers inan attempttotroubleshootnetworkoutagesand intrusionsbytracingtheir origin and destination.
- Configured switches with security standards to mitigate maninthe middle attacks.
- Worked on configuring, maintaining and troubleshooting WAN links.
- Prepared labs using real devices to check the configuration changingimpact before making changes in a real environment.
- Performed duties that included distribution of IP hostnames and IP addresses to devices in existence as well as newly added devices.
- Configured 2504 and 5508 WLC with SNMP configuration. Environment:Ciscorouters3700,7200 and7500;Ciscocatalystseries switches 6500; Cisco Layer 3 switches 3750 and 3850.
Network Engineer
Confidential
Responsibilities:
- Involved in complete LAN, WAN development including IP address planning, designing, installation, configuration, testing, and maintenance. ConfiguredrouteredistributionbetweenOSPFandEIGRPinamulti-area OSPF network.
- Created span port configuration to capture and analyze data using Wireshark.
- ProvidedTier2supportforthenetwork(Layer3)relatedissuesforthe customer.
- Used Layer 3 protocols like EIGRP, OSPF, and BGP to configure Routers in the network.
- Implemented redundancy /failover using HSRP. Performedswitchingtechnologyadministrationincluding VLANs, inter-VLAN routing, trunking, and port aggregation.
- Configured VPN, ACL, and NAT in the Cisco ASA 5540 firewall to allow only authorized users to access the servers of the internal network. Workedwithengineeringteamto resolveticketsandtroubleshootL3/L2 problems efficiently.
- Configured the switches ports with the power inline in watt to be compatible with WAPpowersettingandconfiguredtheswitchesportswithpower priorities (high and low), and adjust the power limit that the switch provides to each port.
- Deployed VoIP phones and provided access to voice and data traffic with QoS policies.
- Configured SNMP traps on the routers and switches and associates them with solarwinds and cisco prime.
- Involved in upgrading to the latest IOS images and firmware for cisco routers and switches, firewalls.
Environment: Nexus 2K,5K,7K; Ciscorouters3700,7200and7500; Cisco catalyst series switches 6500; Cisco Layer 3 switches 3700.
Network Engineer
Confidential, Dallas , Texas
Responsibilities:
- Performeddailymaintenance,troubleshooting,configuration, installation and documentation of all network components within the network.
- Installed and set up Cisco routers and switches according to deployment plans. Configured CISCO Routers (2800 Series) and 3550, 6500 series switches.
- TCP/IP network planning, IPv4 addressing implementation, subnetting, route summarization and distribution.
- Configured routers with EIGRP, static routes and switches with VLANs, VTP, and STP.
- Configured Access lists on the boundaries ofthe network eitherinbound or outbound.
- Enables SNMP traps for Cisco Monitoring tool to monitor traffic and check the regular health of Servers and Network Devices.
- Responsible forimplementing and testing secure access for outside business partners into the client network for secured data transport.
- Responded to all system problems on a 7X24 basis and take part in an on-call rotation.
Environment: Cisco routers 2800; CISCO switches 2960, 3550, 6500.
Network Engineer
Confidential Chicago,IL
Responsibilities:
- Planned,deployedandmaintainedwirelessandwiredLANnetworkusing Cisco 3600 routers, 2960, 3500 switches, and 7960 IP Phones. DesignedIPaddressingschemes,VLAN's,subnettingandtrunkingtomeet requirements.
- PreventedrogueDHCPservertoassignunwantedIPaddressesscopesby configuring the switch with DHCP snooping globally and on VLAN level. Performed installation, cabling and cable testing.
- Implemented QoS for Voice traffic.
- Planned and executed the migration from PSTN to IP Telephony, CUCME, and 7960 IP Phones.
- Documentedandmaintainedtechnicaldiagrams,documentedlogicaland physical topology, and other IT procedures.
- Reviewed, approved, procured various IT hardware and software products to fulfill strategic and operational needs of various departments.
- Worked with management and various departments to develop procedures and troubleshoot problems as they arose.
Environment: Cisco routers 2800; CISCO switches 2950, 3550, 6500.
Confidential
IT Specialist
Responsibilities:
- Service Desk for resolving support requests for the end users.
- Act as an escalation point for advanced or difficult help requests.
- Escalate problems (when required) to the Support Service Manager.
- Apply diagnostic utilities to aid in troubleshooting.
- Perform hardware and software system configuration, maintenance, upgrades and troubleshooting of workstations, laptops, devices and printers.Support Outlook.
- Install, configure, and document various software packages upon user request and proper approvals.
- Maintainworkstationandserversecuritypatches,virusupdates and efficiency tuning.
- Act as the point for all VOIP services such as Mitel, inContact, prairieFyre and Oaisys.
- Layer 2 networking troubleshooting.