• Principal Systems Administrator

    ManTech (Arlington, VA)
    …+ Strong technical skills in areas such as Windows and Linux operating systems , network administration, virtualization, and security + Excellent problem-solving ... substituted in lieu of a degree + Understanding of operating systems (Windows, Linux, macOS), servers, and...ServiceNow **Preferred Qualifications** : + One of the following certifications is desired: MCSE - Microsoft Certified System more
    ManTech (08/08/25)
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  • System Operations/Administrator

    Noblis (Chantilly, VA)
    …administrator or in a similar IT support role. + Knowledge of Windows and Linux operating systems . + Compliant with DoD Directive 8570 (Security+ or equivalent ... Deploy software updates, patches, and security fixes to desktop systems . + Conduct regular system backups and...certification **OR** the ability to obtain within 90 days… more
    Noblis (08/01/25)
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  • System Administrator, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Belvoir, VA)
    …working within classified environments supporting agencies with a solid background in windows operating systems to help us build and deploy technical platforms ... System Administrator, Senior The Opportunity: Your combination of...engineer, including installation, configuration, and maintenance of servers and operating systems such as Windows Server and… more
    BOOZ, ALLEN & HAMILTON, INC. (07/22/25)
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  • Senior System Administrator - SAP…

    Qualtrics (Reston, VA)
    …as a senior subject matter expert for SuccessFactors and related People Systems . + Taking on increasingly complex system administration challenges, projects, ... investigation, and effective resolution. + Develop and maintain detailed system documentation, including configuration guides, standard operating procedures,… more
    Qualtrics (07/02/25)
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  • System Architect

    Leidos (Chantilly, VA)
    …anomalies, and troubleshoot complex technical issues. + Strong understanding of system -level troubleshooting, operating systems (eg, Linux, Windows), ... system functional specifications, configuration of physical and virtual systems , backup and recovery of IT infrastructure. **Primary Responsibilities** : The… more
    Leidos (05/30/25)
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  • SharePoint Systems Administrator

    Leidos (Alexandria, VA)
    …must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) - IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, ... **Description** Leidos is seeking a senior SharePoint System Administrator to support a large enterprise IT contract for the DOD. The SharePoint System more
    Leidos (07/25/25)
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  • Cyber Security Operations Specialist/ Intrusion…

    System One (Springfield, VA)
    …experience working in Cyber Security Operating Host Based Security System (HBSS), firewalls, Intrusion Prevention Systems , Intrusion Detection Systems ... develops Continuity of Operation (COOP)/Disaster Recovery (DR) plans and supports certification of Information Systems and Networks. Advanced Cybersecurity… more
    System One (08/08/25)
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  • SIGINT Systems Administrator (Low Band…

    CACI International (Hampton, VA)
    …and maintain system security. You will also apply security patches and operating system upgrades to ensure the security and integrity of the technical ... SIGINT Systems Administrator (Low Band Journeyman) Job Category: Information...procedures to ensure appropriate function of hardware, software, or system functional specifications. Additionally, you will analyze, troubleshoot, and… more
    CACI International (07/12/25)
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  • Part-Time High Energy Laser Scientist

    Nou Systems, Inc. (Fort Belvoir, VA)
    …defense systems . The SEA Team provides comprehensive Missile Defense System Developmental Test analyses, future Missile Defense System architecture modeling ... Missile Defense Agency is performing a manpower assessment. nou Systems is continuing to accept applications and consider candidates...pleased to announce an opening for a Missile Defense System High Energy Laser Scientist who will join our… more
    Nou Systems, Inc. (08/12/25)
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  • System Safety Engineer

    SAIC (Stafford, VA)
    …Analysis. + Experience working with US Navy or US Marine Corps combat systems or platforms. + Experience operating , maintaining, testing, or analyzing weapons ... **Description** SAIC is seeking a System Safety Engineer with an active Secret clearance...community to ensure the safety of Marine Corps weapons systems and platforms. Tasks include: + Systems more
    SAIC (08/07/25)
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