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Sr. Network Engineer Resume

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SUMMARY:

  • 18+ Years of professional Enterprise Networking, Government Contracts and Telecom industry experience.
  • Bachelor of Computer Networking degree.
  • CCNA and CCNP certified.
  • Troubleshooting, managing, and monitoring the ISP and Enterprise networks.
  • Extensive experience with Cisco Routers, Catalyst Switches with an emphasis on 802.1q trunking, encrypted GRE tunnels (isakmp/IPSec), MTU considerations and various WAN/LAN technology.
  • Troubleshoot Classified DHS and CBP LAN/MAN/WAN and other government agencies.
  • MPLS, DMVPN, LAN, ATM, Frame Relay, ISDN, DSL, Ethernet, Wireless, Data Centers & various backbone Broadband Networks hands - on experience.
  • Protocols: TCP/IP, IS-IS, MPLS, RIP, Spanning Tree, GLBP, HSRP, IGRP, FTP, ICMP, TELNET, EIGRP, OSPF, BGP, GRE, IPSec, SNMPv3.
  • Expert of network monitoring tools such as NetCool, HP Network Automation, Nagios, inMon Traffic Sentinel, MRTG, OPS Net, Cisco Works, Cisco Wan Manager, Net Analyst, OneClick, NetiX etc.
  • Working knowledge of protocol analyzer Wireshark, PIX and Netscreen Firewalls, CSU/DSU, Smart jack, Demark, Digital Access Cross Connects, BERT/Loop Testing, Test Patterns, MUX, DSX Panel, Remedy ticketing system management, Microsoft Office Suites, Modem, TFTP, hubs, switches, BlueCoat Proxy, Ethernet, DNS, install, troubleshoot and configure software and hardware.
  • Experience and ability to work in managing a 24 x 7 operation support.
  • Team Leader at Confidential - Confidential ’s Data group and Confidential Change Management team.
  • Cited for superior work performance by the Director of Engineering at Confidential .
  • Possesses excellent written and verbal communication skills used especially when interfacing with customers to translate technical terms apprehended by customers.
  • Clearable US Citizen.

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Network Engineer

Responsibilities:
  • Provide Tier III network operation engineering support for US Customs and Border Protection (CBP) in support of the Confidential .
  • Cisco devices are consisted of Cisco 2800, 2900, 3850 POE Switch, 3900, 7206, 7600 Series, ISR 4351, Catalyst 3550, Catalyst 3750, Catalyst 4500 Series, and 6500 Series.
  • Responsible for Life Cycle support DHS HSDN Configuration Deployment for Multiple Components.
  • Responsible for maintenance, configuration, implementation and troubleshooting of the DHS networks.
  • Analyzed network data, video, and voice and worked on resolving complex network problems utilizing creative application of available technologies.
  • Working closely with Cisco TAC (Technical Assistance Center) in troubleshooting topology issues as they relate to the hub and spoke implementation of a DMVPN.
  • The DHS routing domain consists multiple external and internal BGP peer sessions, DMVPN, NHRP, MPLS, OSPF and EIGRP.
  • Use Steel Central (Net Profiler, Packet Analyzer, Wireshark, Portal, Net Collector, and other useful Network Performance tools) to troubleshoot network and application performance issues and provide a faster resolution.
  • Support time-critical deadlines and manage customer expectations across DHS. Manage and measure the performance of the WAN and LAN support functions provided by the Tier III support teams.
  • Drive efforts to standardize network operations process and procedures across the enterprise, including continuity of operations.
  • Assists in the development and maintenance of network communications.
  • Document current network and design upgrades in various written formats (VISIO, MS Project, Word, etc.).
  • Working closely with other Network Engineers to install and configure data and Video networks, or modify existing networks.
  • Communicate and troubleshoot with multiple vendors with network anomalies in DHS OneNet Infrastructure.
  • Support new data center in Stennis for Network migration and back up for various project implementations.
  • Participate in on-call and weekend rotation.

Confidential

Sr. Network Engineer

Responsibilities:
  • Performed Tier III network operation support to the CBP component of DHS and acting as a steward to the ONENET DHS network providing multiple levels of service over a Cisco Platform.
  • Turn-up and manage effectively an intra-agency initiative supporting local area and wide area networks for DHS OneNet (FEMA, CBP, ICE, CIS, TSA, USCG, USSS, etc.)
  • Manage Network Services and all OneNet router equipment, utilizing Cisco, Remedy, E2E, Xceedium Xsuite, OSI model layer 1-3 and associated protocols and devices.
  • Products supported include MPLS, VRF, GRE, IPsec, WAN, LAN, MAN, TLS, BGP, OSPF, EIGRP, Static, DNS, DHCP, VPN, VLAN, DMVPN, Wireless, Visio, Remedy, SharePoint, and Microsoft Office.
  • Supported 50,000+ users across an Enterprise environment supporting multiple installations in a 24x7 operational environment, which includes a 30 minutes’ response time to critical outages.
  • Leading Change Management team within Tier 3 Network Operations team.
  • Supported headquarters operations, multiple data centers, COOP sites, and over 1,300 field sites.
  • Provided operation services for classified and unclassified networks to the Top Secret level.
  • Understand and integrate state of the art technology hardware and software components associated with LAN/MAN/WAN architectures.
  • Provide weekly reports to all government agencies and levels of management on status and plan of action to restore service.
  • Provide on the job training to Junior Engineers.

Confidential

Sr. Network Engineer

Responsibilities:
  • Key technical interface operational support to installation, configuration, maintenance and trouble resolution of Cisco ESR 10000 and GSR 12000, 7206VXR, 7500, 7600, 2800 and 3700 series routers.
  • Accountable for the delivery of on time error-free network changes and end-to-end testing of all networking projects implemented in the Orange Business Services MPLS/IP Core & Internet Networks.
  • Tier 3 support for MPLS IPVPN backbone infrastructure, including software and hardware issues within Cisco environment.
  • Operational validation of topologies, routing flow and network changes.
  • Engage with appropriate departments (Engineering, Planning, Regional Deployment, VPN owners and Customers configuration teams) to permanently resolve capacity, design or operational issues.
  • Monitor network performance and develop plans with Engineering to address possible performance issues.
  • Provides ongoing information to management, customers, and peers regarding WAN Architecture projects and innovations.
  • Proactive audit of the network configuration quality, in addition to Security Cleaning for IP Core Network.
  • Troubleshoot QoS policies for converged IP network carrying voice, video, and data.
  • Engage with Cisco to resolve H/W defects or S/W (bugs).
  • Open, track and monitor Customer outages and requests through Remedy ticketing system.
  • Work in international environment and in shift 24/7.

Confidential

Sr. Network Engineer

Responsibilities:
  • Provided network support for Federal Government and Corporate customers Cisco Routers 12000, 10000, 7500, 7200, 4500, 2600 VoIP Gateway, 2800, 3000 and Catalyst 6509 Switches, MPLS, Netscreen, and PIX Firewalls, VPNs, DTE and DCE equipments (CSU, DSU, and the Smartjack) that employ Frame Relay and ATM, along with various DSL pipelines.
  • Investigate and resolve complex networks and hardware matters of significance; research, analyze, isolate and resolve errors; assess and evaluate current and future network systems.
  • Testing and troubleshooting customers Digital and Analog DS-0’s, DS-1’s, and T1-‘s. Extensive work with TCP/IP LAN/WAN, analyzing and evaluating customer specific network elements (PVC’s and DLCI) for performance degradation or services DNS to include hosting troubleshooting, receiving escalation in the event of network customer specific issues.
  • Performed troubleshooting on physical layer issues using Matrix and Exceed applications. Tested 56K circuits, Fractional T1s, Full T1s, DS3s, and Optical Carriers using Quasi Random patterns, 2047 patterns, all 1s, and 2e11s etc depending on the circuit specifications and needs.
  • Performed ISDN testing for Dial Backup issues.
  • Monitor the queue and ensure tickets are being adequately worked, focus energies on making sure Managed Data Services SLA’s are being met and coordinate efforts with other fix agencies within Confidential and local Telco’s to make sure our customer outages are resolved in a timely manner.
  • Generated Tucker report and ran traceroutes to monitor circuit utilization issues. Analyzed data captures from Performance Monitor for latency and circuit degradation issues.
  • Interfaced directly with the customer to provide excellent service, and coordinated fix actions with Field Ops overseas, as well as scheduled CPE dispatches domestically.

Confidential, McLean, Virginia

Lead Network Engineer (Wireless Network Operations Center)

Responsibilities:
  • Served as a team leader and Subject Matter Expert for the iDEN Packet data Operations Support team.
  • Managed various Cisco Catalyst 6500 switches, Cisco Router 7200, PIX 535, Motorola iDEN (Integrated Dispatch Enhanced Network) elements (Dispatch Application Processor’s and iDEN Access Controllers) and Packet Data elements (Mobile Data Gateways, Home Agents and Billing Accumulators).
  • Maintained ATM connections (Lucent PSAX 4500 and Cisco IGX, BPX) between sites throughout the US.
  • Monitors SNMP traps through Netcool, HP Openview and Cisco Wan Manager.
  • Managed Mobile Switch Office elements as well as Metro Packet Switch and Operations Maintenance Console.
  • Utilized protocol analyzer (Ethereal and Wireshark) to verify traffic and aide with troubleshooting.
  • Created daily reports for executive management regarding telecom escalations for cell site issues.
  • Issued trouble tickets for all network problems related to packet data. Coordinated conference bridges between the local markets, vendors, and engineers to provide restoration and root cause for all customer outages.
  • Mentor and train new hires
  • Serve in a lead capacity

Confidential,McLean,Virginia

NOC Specialist

Responsibilities:
  • Provided 24*7 monitoring and Tier 1 support for all Packet Data and Push to Talk Walkie-Talkie outages in Confidential 's network.
  • Performed 1st level troubleshooting on Cisco routers, Catalyst 6500, and UP server as well as Motorola's proprietary packet data equipment (MPS, DAPS, MDGS, etc.)
  • Responsible for surveillance and restoration of all outages within Confidential 's ATM backbone switches including Cisco IGX and BPX, and trunks, Frame Relay circuits, DS1, DS3, OC3 and OC12 circuits.
  • Coordinate with users and Internet Service Providers to ensure timely and satisfactory resolution for any Remedy trouble tickets pertaining to the Tier II environment.
  • Resolved network troubles utilizing Network Management Tools, Carrier test equipment, and trouble ticketing systems.
  • Issued trouble tickets and national flashes for all network problems related to packet data and dispatch.
  • Monitor and test network performance and provide network performance statistics and reports.
  • Coordinated conference bridges between the local markets, vendors and engineers to provide restoration and root cause for all customer outages.
  • Types of circuit problems investigated: circuit loss of signal, slow response, bouncing and packet loss.
  • Worked with Engineers, Field Operations, other telecommunications companies and the end users to isolate problems on the network and provided resolutions in a timely manner.

Confidential, Vienna, Virginia

Telecommunications Network Analyst

Responsibilities:
  • Supporting Verizon’s Network Engineers for ADSL implementation, configuration and deployment.
  • Troubleshooting LAN/VLAN Networks (Broadband Network/IP Network, ATM Switches, Gateway-software, Cisco Routers, DSLAM-Mux, ATU-Modems, PVC configuration, Unix, NT and Solaris.
  • Providing Tier 2 supports for Network Operations Centers throughout the East Coast. Contact customers to determine whether requests for service have been properly executed, and to assist in determining network problems.
  • Utilize documented notes, customer input, and own judgment to refer customers to appropriate department.
  • Document and maintain daily contacts and resolution efforts utilizing Oasis database. Display flexibility in task assignments to complete projects.

Confidential, Washington DC

Network Administrator

Responsibilities:
  • Provided technical support for users in a Windows 95/98/NT environment.
  • Performed software installs/upgrades.
  • Worked in a help desk capacity to troubleshoot network connectivity, printers and file and resource problems.
  • Monitored network activity and troubleshoot network related problems on LAN.
  • Performed immediate troubleshooting as situation dictates for any and all network outages reported by users, sensors, and operational personnel.
  • Updated Norton Anti-virus software; Supported both local and networked print operations for end users, maintained, and replaced toners for HP and Lexmark printers.

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