• Senior Systems Administrator (Unix/ Linux)

    First Division Consulting (Dahlgren, VA)
    security , and efficiency of Unix/Linux-based systems, networks, and software infrastructure. The ideal candidate will have expertise in Unix/Linux system ... protocols, and troubleshooting techniques. This role involves hardware and software installations, security management, and resource allocation, requiring a… more
    First Division Consulting (06/19/25)
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  • Senior Cybersecurity Analyst

    D&G Support Services, LLC (Fort Belvoir, VA)
    Senior Cybersecurity Analyst Job Description Summary: + D&G is seeking a Senior Cybersecurity Analyst to support the Defense Logistics Agency Information ... Operations (J6) DLA Research & Development (R&D) as a member of a...Government. Roles & Responsibilities: + Responsible for analyzing cyber security requirements, technologies, risks, or issues. Participates in design… more
    D&G Support Services, LLC (06/03/25)
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  • Senior IT Specialist

    Applied Research Associates, Inc. (Alexandria, VA)
    Research Associates, Inc. has an outstanding opportunity for an exceptional ** Senior IT Specialist** to support on-going research and development efforts. ... passion for superior network functioning? Join us as a Senior IT Specialist and become a key player in...Provide hands-on support to project staff by troubleshooting hardware, software , and connectivity issues. + ** Security Management**… more
    Applied Research Associates, Inc. (07/29/25)
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  • Senior Linux/Unix Systems Administrator

    SMX (Dahlgren, VA)
    …functionality, security , and efficiency of Unix/Linux-based systems, networks, and software infrastructure. This position will be hybrid with the onsite work ... Senior Linux/Unix Systems Administrator (4411)at SMX(View all jobs)...but not limited to: + Backup and Recovery + Software management + Security management + … more
    SMX (08/08/25)
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  • Senior Cost Analyst

    KBR (Chantilly, VA)
    Title: Senior Cost Analyst Expert Cost Analyst Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's… more
    KBR (06/03/25)
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  • Senior DevOps Engineer

    Applied Research Associates, Inc. (Herndon, VA)
    **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift and you need to have a solid understanding of DevOps principles, ... container orchestration, and cloud-native application development. The Senior DevOps Engineer will be responsible for designing, implementing, maintaining… more
    Applied Research Associates, Inc. (06/04/25)
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  • Senior Full Stack .NET Developer

    CACI International (Ashburn, VA)
    …passionate team of industry-leading individuals supporting the best practices in Agile Software Development for the Department of Homeland Security (DHS). As ... Senior Full Stack .NET Developer Job Category: Information...safeguarding the American people and enhancing the Nation's safety, security , and prosperity. CBP agents and officers are on… more
    CACI International (07/12/25)
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  • Junior Software Developer

    Leidos (Lorton, VA)
    …for our customers, our people, and our community. The Leidos National Security Sector combines technology-enabled services and mission software capabilities in ... Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods… more
    Leidos (06/08/25)
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  • Enterprise Senior Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …system software , databases, and services. + Plan and implement security hardening activities in accordance with requirements. + Advanced experience of ... Yes **Job Description:** GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense Threat Reduction Agency (DTRA)… more
    General Dynamics Information Technology (08/08/25)
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  • Counterintelligence Analyst - Army Research

    Amentum (Arlington, VA)
    …a government services provider of strategic solutions to the defense, homeland security , and the Intelligence Community. Amentum provides intelligence analysis and ... security , training and education, and intelligence support strategy and...US government and commercial clients around the globe. Our Senior Leaders, Subject Matter Experts, and Operational Specialists have… more
    Amentum (07/19/25)
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