• Sr. NOSC Technician

    Leidos (Reston, VA)
    **Description** Leidos is seeking a **Sr. Network / System Technician** to support monitoring large-scale operations on a high-profile DOD contract. The I3TS ... of the year** The candidate will obtain and maintain System Administrator and\or Network Administrator II functions...years or Masters with 6 - 10 years of prior relevant experience in a network operations,… more
    Leidos (09/17/25)
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  • NOSC Engineer

    Intelligent Waves (Reston, VA)
    …Government through high-impact technology solutions in cybersecurity, data science, enterprise network & systems engineering, software development, and cognitive ... and distribute critical network outage notifications in accordance with SOP timelines. ** System & Network Administration** + Perform System Admin and … more
    Intelligent Waves (08/13/25)
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  • Lowband Journeyman Expert (Onsite)

    RTX Corporation (Langley AFB, VA)
    …Expert (SME) that provides SIGINT and networks sustainment support during system upgrades + Provides SIGINT process and network improvements/recommendations ... and transferable US government issued security clearance is required prior to start date.​ US citizenship is required, as...support of the US Air Force Distributed Common Ground System (DCGS) Signals Intelligence Field Support (DSFS). US AF… more
    RTX Corporation (08/02/25)
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  • Lead Software Developer

    Lumen (Richmond, VA)
    …routers, firewalls, DDoS mitigation appliances, and intrusion detection systems + Operating system kernels and network drivers **What We Look For in a ... + Jenkins/Gitlab CI/CD/ or other automated build and deployment systems + Network and security elements such...+ Broad information of security knowledge + Experience with system , network , or security administration in a… more
    Lumen (10/02/25)
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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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  • Cyber Security Engineer

    Shuvel Digital (Arlington, VA)
    …following network protection devices: Firewalls, intrusion detection and prevention systems (IDS/IPS), log analysis, malware analysis, network traffic flow ... Active Secret. Must be able to obtain TS/SCI and DHS suitability prior to starting employment. Description: The successful Cyber Security Engineer applies current… more
    Shuvel Digital (09/25/25)
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  • Service Center Frontline Account Manager

    CACI International (Chantilly, VA)
    …and resolve issues involving end-user systems , servers, storage, network connectivity, and security controls. Conduct system administration tasks ... commitment to customer satisfaction and operational excellence. You will support system and network stability, monitor enterprise IT infrastructure, restart… more
    CACI International (09/30/25)
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  • Frontline Account Manager

    CACI International (Chantilly, VA)
    …troubleshoot, and resolve issues involving end-user systems , servers, storage, network connectivity, and security controls. + Conduct system administration ... commitment to customer satisfaction and operational excellence. You will support system and network stability, monitor enterprise IT infrastructure, restart… more
    CACI International (08/20/25)
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  • Telecommunications Field Engineer

    CACI International (Herndon, VA)
    …testing, analysis, deployment, and troubleshooting/lifecycle support for innovative hardware/software/ network systems and applications. + Support includes ... System integration and testing of built packages, preparation of customer system documentation, conducting site surveys as needed prior to installation,… more
    CACI International (08/21/25)
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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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