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Charles D. — Senior Network Engineer from Brazil

Charles D.

Senior Network Engineer

Brazil 3-6 years
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About

Charles D. is a highly skilled IT Network Solutions Design/Implementation Engineer with over 20 years of experience in the networking industry, specializing in network implementation design and support. Most recently, as a Lead WiFi 6 Design/Deployment Engineer at NSC Global LLC in New York, he led the deployment and upgrade of Hilton Hotels' networks across the US using Cisco Meraki technology. His role involved coordinating with hotel management and AT&T Engineering to ensure smooth transitions. Prior to this, as a VoIP Network Engineer at Niti System Consultant Inc. in Roswell, GA, Charles transitioned MARTA's telephone systems from analog to VOIP for 42 stations, focusing on reliability and scalability with new Cisco Telephones. He also served as a Senior Network Infrastructure Engineer at SK Battery America in Commerce, GA, where he supported the manufacturing network of electric batteries. Charles’s expertise includes network security technologies such as firewalls and VPNs, as evidenced by his work at Trustbridge Hospice and RobertHalf Technologies, where he optimized core networks and deployed advanced technologies to enhance performance and security. With a M.S. in Computer Science from American University, Hawaii, and ongoing CCNP recertification, Charles is committed to advancing network performance and security.

Experience

  • Lead WiFi 6 Design/Deployment Engineer

    NSC Global LLC · 2024 — 2025
    Oversaw the deployment and upgrade of Hilton Hotels Networks nationwide. Transitioned the network from wired to wireless, utilizing Cisco Meraki Firewalls, Switches, and Access Points. Conducted wireless surveys with Ekahau AI Pro and Ekahau sidekick while coordinating with hotel management and AT&T Engineering to facilitate the transition.
  • VoIP Network Engineer

    Niti System Consultant Inc. · 2023 — 2024
    Participated in a project for migrating MARTA's telephone system from Analog to VoIP across 42 stations. Designed a new VoIP Network tailored for each station and integrated new Cisco Telephones and TalkAFone for Fire and Emergency Security. Managed VoIP protocols such as SIP and H.323 while optimizing network infrastructure to support voice traffic.
  • Sr. Network Infrastructure Engineer/Network & Security

    SK Battery America · 2020 — 2023
    Established the network to support electric battery manufacturing for Ford and Volkswagen. Configured and installed multiple networks using Cisco and Extreme Switches, while also deploying Cisco Meraki devices including switches, Access Points, and Cameras. Provided daily network support and resolved issues while ensuring compliance with advanced technology standards.
  • Lead Network Engineer

    NTT Data (Haven Hospice) · 2019 — 2020
    Led the Cisco Meraki LAN deployment at Haven's Hospice, working with a team of engineers to install and configure Cisco devices at headquarters and remote sites. Designed and documented new LAN Network configurations to enhance stability and performance, deploying Cisco Umbrella for network security.
  • Sr Network Engineer

    NexTech Solutions/TKE Elevators · 2018 — 2019
    Contributed to the Global WAN and LAN refresh program for ThyssenKrupp Elevator, focusing on establishing a new office with advanced technology for 2,000 employees. Deployed numerous Cisco Meraki devices and managed the configuration of LAN infrastructure for 250 remote sites.
  • Lead Network Engineer

    RobertHalf Technologies/Hydraulic Supplies · 2017 — 2018
    Delivered technical support and recommendations in a distributed environment, facilitating a migration from Windstream MPLS to Broadband for 100 remote sites. Configured Cisco Meraki systems across all sites and documented processes for streamlined troubleshooting.
  • Lead Network Engineer/Administrator

    RobertHalf Technologies/ Trustbridge Hospice · 2016 — 2017
    Optimized the core network for TrustBridge, improving its availability and security. Implemented high availability solutions for internet services, firewalls, and phone systems while managing configurations and deployments across the Cisco network infrastructure.
  • Network Cloud Services Engineer

    HPe · 2012 — 2016
    Supported HP Cloud Services deployment while managing network devices, performing IOS upgrades, and troubleshooting the network infrastructure for diverse offerings. Documented procedures and processes for efficient operations.
  • Sr. Network Engineer

    Intellys/AT&T/IBM (Delta Airlines) · 2011 — 2012
    Engaged in the Delta/NWA Transition/Transformation project by migrating and reconfiguring Cisco and non-Cisco devices across Delta's global network. Focused on standardizing device naming and authentication methods.
  • Network Engineer

    Verizon Communications · 2011 — 2011
    Provided remote support for On Semiconductor’s MPLS WAN Network, conducting tests on failover connections and aiding in LAN support.
  • Sr Network Engineer

    Globe Wireless · 2010 — 2010
    Installed and configured Cisco routers for maritime communications, while implementing a standardized naming convention and enhancing documentation for operational efficiency.

Skills & Expertise

Education

  • M.S. Computer Science
    American University- Hawaii, USA
  • B.S. Mathematics and Computing
    University of Westminster – London, UK