• Network Administrator

    Job Locations US-MS-Vicksburg
    Business Unit
    Secret Required
  • Overview

    This position will be in support of the High-Performance Computing Modernization Program (HPCMP) Integrated Technical Services (HITS) task order contract. i3 provides program management and technical support necessary to advance the services, capabilities, infrastructure, and technologies in the HPCMP, Department of Defense (DoD) Supercomputing Resource Centers (DSRC) supercomputing centers. i3 is looking for a Senior Network Administrator to support our network team and work along the side our leading HPC staff working to solve DoD’s most critical mission challenges at the Engineering Research and Development Center (ERDC) in Vicksburg, Mississippi.


    Responsible for the configuration, maintenance, and installation of network infrastructure and promotes consistency in processes and documentation by maintaining network diagrams, documentation and labeling of network components and cabling. Participates, as directed by the capability team lead, in root cause analysis and management escalation activities. Maintains technical expertise in all areas of high speed (40Gb/s or greater) network and computer hardware and software interconnection and interfacing, such as routers, switches, firewalls, hubs, bridges, gateways, etc. Evaluates and reports on new network technologies to enhance capabilities of the network and makes recommendations to the Capability Team Lead and ERDC Site Lead on network infrastructure upgrades. Serve as mentor to less experienced network administrators and participate as a full member of the HITS Enterprise Network Capability Team participating in meetings and assisting with network activities at other centers as requested.


    • Bachelor’s Degree + 9 years of experience.
    • Active Secret Clearance with the ability to obtain a TS required.
    • Security+ and/or Network+ Certification.
    • Computing Environment (BCNP, BCNE, CCENT, CCNA, CCIE)
    • Ability to work closely with other IT disciplines such as system administrators and security staff.
    • Ability to develop and maintain clear and extensive documentation of the network enclave including detailed network topology diagrams, network cabinet elevations, wiring diagrams and procedures for the operation and maintenance of the network enclave.
    • Ability to work with little oversight to accomplish network infrastructure installation, configuration and maintenance.
    • May require occasional after hours support and response to emergency situations for problem resolution
    • 10% or less travel required.


    • TS SSBI Clearance desired
    • Brocade Core and Edge routers/switches
    • Juniper Firewall installation, configuration and policy management
    • Arista Systems Routers and Switches
    • Running of both copper and fiber cables to connect systems and infrastructure servers in an HPC environment at speeds of 40Gb/s or greater
    • General knowledge working with CISCO networking technologies
    • Basic UNIX/LINUX system skills
    • Microsoft Visio and Office suite


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