• Senior Maintenance Technician (S)

    SimIS Inc. (Dahlgren, VA)
    …administration support for COTS and LAN-based systems + Troubleshoot complex system integration issues and network connectivity problems + Maintain accurate ... systems + Advanced knowledge of digital electronics, computer systems , and network equipment + Experience with...(required within 6 months of hire) + DoD 8140 System Administrator certification desirable + Preferred : Military… more
    SimIS Inc. (07/12/25)
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  • Principal Satellite Communications Engineer

    ManTech (Reston, VA)
    …and other communications systems and networks, and remotely support system and network monitoring troubleshooting and maintenance when not traveling. ... with network management personnel on integration issues to maximize system performance + Designing and updating in-country and worldwide satellite and… more
    ManTech (09/02/25)
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  • VoIP Engineer

    ManTech (Norfolk, VA)
    network architectures that meet DoD and Navy standards + Integrate VoIP systems with existing network infrastructure and ensure interoperability with other ... mitigate vulnerabilities + Create and maintain detailed documentation of Collaboration system configurations, network diagrams, and standard operating procedures… more
    ManTech (08/29/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    …. In this role you will research, design, develop, and test operating systems -level software, compilers, and network distribution software. You will set ... and formulates and analyzes software requirements and may design embedded systems software. **Responsibilities include, but are not limited to:** + Leads… more
    ManTech (08/19/25)
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  • SURTASS Technician Crewmembers OM Technician

    Serco (Virginia Beach, VA)
    …Technician, Instrumentation Technician, Marine Technician, Hydroacoustic Technician, Underwater Systems Technician, Network Systems Electrician, ... the mission equipment for the Surveillance Towed Array Sensor System (SURTASS) on the Tactical Auxiliary General Ocean Surveillance... Network Systems Administrator, Network Systems Engineer with direct experience in… more
    Serco (09/21/25)
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  • ​​Cyber Detection Engineer ​

    Leidos (Ashburn, VA)
    …intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet ... SOC is responsible for the overall security of CBP Enterprise-wide information systems , and collects, investigates, and reports any suspected and confirmed security… more
    Leidos (08/15/25)
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  • Computer Support Technician

    Leidos (Reston, VA)
    …ticketing system . 4) Reviews data from a DoD Network Monitoring System . Reviews historical data and proactively audits systems to ensure they meet ... 10AM-10:30PM Primary Responsibilities 1) Performs the integration of new COTS/GOTS systems ( network equipment, servers, workstations, etc) into the production… more
    Leidos (10/03/25)
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  • Electric Transmission Associate Engineer

    Dominion Energy (Glen Allen, VA)
    Network Application** : You will perform modeling for DE's transmission system including network topology, equipment ratings and parameter impedances, and ... preferred . + Knowledge of automation tools, databases, and software development is preferred . + Programming skills for automation of system studies (eg,… more
    Dominion Energy (10/03/25)
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  • Information Assurance Analyst II - Crystal City

    Epsilon, Inc (Arlington, VA)
    …and offering adaptable enterprise infrastructure solutions. Our services, ranging from systems administration and network engineering to Information security and ... Assurance Analyst II** **Epsilon is now part of AMERICAN SYSTEMS !** We are pleased to announce Epsilon, Inc. has...participate in Assessment & Authorizations testing to ensure our system stay secure and compliant. + Shape Security Policy:… more
    Epsilon, Inc (10/02/25)
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  • Field Engineer

    ManTech (Reston, VA)
    …and configure new systems as well as upgrade, maintain, and recap existing systems , including all system and network infrastructure and peripherals and ... systems , train technical support personnel to perform maintenance on those systems , and remotely support system troubleshooting and maintenance when not… more
    ManTech (09/10/25)
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