SUMMARY:

• Experienced Sr. Network Engineer with extensive hands - on and knowledge in enterprise-level design, configuration, and deployment of networking systems.
• Reputation as an effective team-player with the ability to manage competing priorities and drive change initiatives through testing and proof of concept of new technologies and processes.
• Ability to effectivelly use networking testing tools and softwares in order to debug and troubleshoot network layer dysfunction, and provide timely corrective actions.
• Ability and desire to learn new technology in a group and independently.
• Ability to manage time well to meet multiples deadlines in a fast paced environment.
• Excellent writing and communication skills.
• Seeking Network Engineering position that will provide me the opportunity to use my analytical skills,customer service skills, detail oriented and interpersonal skills to serve organization’s business needs.

TECHNICAL SKILLS:

• Implementation of networking hardware and software, including Cisco Catalyst Switches (1900, 2900, 3500, 3800,3700,4500, 6 500 and 68 00 series) and routers (1800, 2600, 2800, 2900, 3800,7200, 7600, ASR 1000, ASR 9000), NEXUS 5k, 6k, 7k and 2k; Avaya media gateway (G650, G450 and G430); Avaya communication manager version 5.2; Cisco Wireless controllers (WLC-5500 series) associated to Cisco lightweight access point. Aruba IAP intallation and configuration for remote office wifi. Design and deployement of controller base (Aruba 3600) wireless network.
• Hands-on experience and knowledge of Juniper network Products: EX4200, EX8200, SRX3600 firewall, SRX 210 firewall, Netscreen NS-5gt and ISG-2000. SSL VPN implementation using MAG-4610.
• Proficiency with various software products: Window7, Window 2008 Server, MS Office, Visio professional, Visual basic, C+ and object oriented programming, basic Linux system administration.
• Network management using Ciscoworks, Solarwinds, Netdisco, Netbrain, Stealthwatch-Lanscope, Bluecoat proxy, Forescout and Cisco ACS v5.
• Experience managing, installing and terminating copper cable, fiber cable, coaxial, patch panel, rack mounted equipment and tie cable associated to Amphenol connectors and 66 blocks.
• Experience working with layer 2 and 3 networking protocols and technologies: OSPF, EIGRP, RIP, MPLS - BGP, VTP, VLan, STP, 802.1Q, vPC, OTV, Etherchannels, VRRP, HSRP, Summarization and Redistribution.
• Implementation of traffic filtering using Standard and Extended access-lists, route-map, prefix-list and distributed list.
• Proficient with various networking technologies in large networking environment:Load Balancer(F5 and A10), NAC, DHCP, DNS, FTP, TFTP, RF broadband, wireless, VoIP. Implementation of security features associated with Cisco CLI (password, port security, AAA - TACACS, RADIUS, 802.1x). SNMP and IP SLA for management and COOP.
• Troubleshooting end-to-end network connectivity associated with layer 1, 2, and 3.
• Familiarity with testing and repair tools: OTDR, tone tracers, repeaters, T-BERD, modems, CSU/DSU, and Professional modular plug crimper for circuits repair and termination. Use different measurement device such as spectrum analyzer, multi meter, oscilloscope and signal generator to perform circuit alignment and calibration.
• Design, repair and assembly of electronic circuits board for various applications.
• Design and implementation of various electrical circuits using CAD application (ProEngineer, Visio, Pspice, Matlab simulink and circuit maker).
• Comprehense working experience managing, configuring and interconnexion AWS cloud base networking environment
• Experience using network vulnerability scanning tools ( Nmap, Nessus, Metasploit, AirMagnet).

PROFESSIONAL EXPERIENCE:

Confidential, Washington DC

Sr. Network and security Engineer

Responsibilities:

• Provided Engineering best practices in support of capacity planning, design and implementation of Confidential ’s newly acquired Data Center using multi vendor equipment: Cisco Nexus(2k,5K and 6K), Juniper SRX-3600, ASA-5510, A10 load balancers, Cisco ASR 1002-X, Catalyst 4500-X, Cisco 3850, Netoptic appliance and MAG-4610(SSL-VPN).
• Upgraded headquater data closets switches from old foundry equipment to Juniper access switches (EX 4200) virtual chassis using OM3 fiber and 10G uplinks.
• Redesigned the DMZ and upgraded the core layer network from Brocade to L3 Juniper switch (EX 8200).
• Upgraded the headquarter internet connection from single homed connection to dual multi-homed connection running BGP and HSRP protocols.
• Upgraded 30 remote sites network and WAN link from fractional T1 to Site-to-Site VPN using Juniper SRX-210, Juniper SRX-3600, Cisco 2960 and Aruba wireless controller and Access point (IAP-215).
• Working with severs administrator to provision network connectivity and routing to Vshield, Microsoft NSX, Vmwares, stand-alone window 2008 and 2012 servers and SAN.
• Support for AWS cloud infrastructure integration and configuration to achieve redundancy, security and availability of Confidential core business application and services.
• Managed edge Firewalls and implemented ACL and IPS following security policy to insure PCI compliance.
• Monitored network traffic utilization, system availability and performance, responded and troubleshoot all network and security systems disruption using network and security tools such as Stealthwatch, Forescout, Solarwinds, PRTG, Nagios and Splunk, etc… (24x7 rotation).
• Design and implement high speed 10 Gig backbone to accommodate Confidential new headquarter. Provide moving planning of end users to the new office location. (Reston office, New York Office and K Street DC).
• Interconnected Ashburn data center, AWS and NW data center via direct connect, dedicated WAN link and Site - Site VPN running OSPF and BGP protocol and supporting 4 PVCs.
• Provide technical support to AWS inter-region connectivity to allow the management of application-as-service distributed over severals regions and VPCs.

Confidential, Washington DC

Network Integration specialist

Responsibilities:

• Provided extensive support in the migration and integration process of all Confidential ’s voice and data network infrastructure from the obsolete Business Data Network to the new Confidential Ethernet (Metronet). This involved establishing high speed link between network electronic at different train station and yards, assisting the installation of core routers, layer 3 switches --distribution head-end, configured and installed several access layer switches (approximally 1000 nodes).
• Contribution in the implementation of a scalable and highly redundant network backbone using single mode and multimode fiber optic cable. Installing network electronic (Cisco routers and switches) in support to Confidential ’s IP MPLS backbone.
• Supporting TIES-CENI and ELES department on RTU and Escalator Monitoring System project and working in collaboration with IT/Network communication project manager to cover work delivery and completion.
• Responding to network outage authority wide, and providing quick recovery of affected network segment (offices, cubicles, rail stations, branch offices, trailers, bus garages, and trains yards).
• Performing network traffic optimization and tuning by implementing OSPF, BGP, MPLS, HSRP, Vlan, VTP, STP, PagP, LACP, IP SLA protocol and their associated security features.
• Configuring software and hardware base QoS to meet business requirements for voice and video surveillance system. This include: weighted fair queuing (WFQ), priority queuing (PQ), class-base queuing (CBWFQ) and low latency queuing (LLQ).
• Contributor in establishing guidelines and standards for change and procedures base on ITIL, COOP and SDLC.
• Maintaining and updating Visio documentation of network topology for assigned project associated to each Confidential ’s locations.
• Monitoring Confidential ’s IP traffic and topology change in a 24x7x365 environment, responding, resolving and updating troubles tickets using Maximo software.
• Working closely with other groups: Network engineering, help desk support, security team, network operation center and telecommunications providers in order to troubleshoot VoIP, WAN and LAN services. Debug, diagnose and escalate issues related to network and circuits failure.
• Assisted peers Engineers during site survey and implementation of state of art Confidential wireless base on 802.11n and associated features (AES, 802.1x….)
• Analyzed and defined network requirement, configurations, optimization and support for end devices provisioning. Upgrade of Cisco Routers and Switches IOS image using TFTP.
• Configuring and rack mounted of AVAYA Media gateway (G450, and G430) for analog and digital voice service and liaison to PSTN.
• Assigned task for the implementation of branch offices WAN links relaying on 100 Mbps TLS (Transparent LAN Service). Enabled MPLS protocol and verified continuity of operation.
• Adding new network devices in network management system by setting up SNMP features to allow monitoring through Solarwinds, CA spectrum and Ciscoworks.
• Performed end-to-end Troubleshooting of Voice and Data issues associated to Layer1, 2 and 3.
• Hands-on experience configuring and administering Window server 2008 and 21 02 providing DHCP and DNS services.

Confidential, ROCKVILLE, MD

Telecom Field Engineer

Responsibilities:

• Planning the integration of customers’ access to telecommunications network infrastructure.
• Provisioning end users and controlling the reliability of service using RF testing tools.
• Lead the installations and troubleshooting of digital voice, internet and video service allowing customers to stay connected on Confidential ’s network within MD and DC metropolitan area.
• Core contributor for installation and maintenance of LAN, WAN and wireless network in commercial environment.
• Work off hours to Troubleshoot broadband FDMA/RF system base on DOSCIS 3.0.
• Provide technical support for rack mounted of servers and wiring of Data center.
• Experience in IP telephony, data communication and advance ondemand technology.
• Advance skill in Cisco routing and switching (Catalyst 2900, 3500,6500, Cat OS, routers-1800, 2600,2800)
• Providing 24x7operational support optimizing, troubleshooting, diagnosing, repairing and resolving telecommunications network performance, defects and faults.
• Hands-on experience using packet sniffer / analyzers and packet filtering hardware and software.

Confidential, GAITHERSBURG, MD

Jr. System engineer

Responsibilities:

• Configure and program the logic gate array for control interface module.
• Assisted Sr. Engineer in the design and implementation of DCS (distributed control system - vendor: Trend) for commercial HVAC at Ferebe High school - Anacostia DC.
• Run and terminate network cable to network equipement and ends devices.
• Installed and tested the computer interface (PLC) for digital thermostat and energy management system for vendor: Trend, Halley Bradley, Siemens, and Honeywell.
• Configure ends devices IP address, DNS server, and setup remote access VPN connectivity for system maintenance personnel.
• Implemented remote monitoring base on SNMP protocol.