• Principal Domain Architect - AI (Hybrid)

    CareFirst (Reston, VA)
    …domain into architectural solutions that meet performance, reliability and security expectations. Applies enterprise roadmaps, principles, standards, and practices ... with respect to system, information, functional/non-functional needs, performance and security /regulatory requirements. Create and utilize architecture patterns and ensure… more
    CareFirst (09/30/25)
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  • Chief Systems Engineer

    BAE Systems (Sterling, VA)
    …and a shared ambition to lead the world in defense technologies and national security services. We offer flexible work environment to support the balance in your ... services are comprised of core infrastructure, field engineering, application management and development for networks, network analytics, firewalls, network … more
    BAE Systems (09/23/25)
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  • Lab Manager II

    ARSIEM (Arlington, VA)
    …and policies. + Maintaining configuration and support documentation + Employ security concepts, theories, insights, tools and methodologies to mitigate system ... weaknesses and vulnerabilities + Perform large scale configuration management and deployment across Windows, MacOS, Linux/Unix, and other operating systems and… more
    ARSIEM (09/16/25)
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  • Network Architect (Expert)

    BAE Systems (Sterling, VA)
    …and sustainment support for critical military platforms and systems. Intelligence & Security provides services and products to the Department of Defense, the ... and a shared ambition to lead the world in defense technologies and national security services. We offer flexible work environment to support the balance in your… more
    BAE Systems (09/10/25)
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  • Network Engineer - Senior or Mid-Level

    BAE Systems (Sterling, VA)
    …COMSEC security requirements for the network. + Complex configuration management techniques and requirements for managing network systems + Network operating and ... of core infrastructure, voice and video engineering, field engineering, application management and development for networks, network analytics, firewalls, network … more
    BAE Systems (09/09/25)
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  • Senior Linux Systems Administrator

    ManTech (Chantilly, VA)
    …you to become part of a diverse and innovative team supporting national security priorities in a collaborative, Big Data-driven environment. You will contribute to ... hardening Linux servers, and establishing configuration baselines + Applying all appropriate security and firmware patches in a timely manner, and assisting in… more
    ManTech (08/30/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …environment + Assesses network topology and device configurations identifying critical security concerns and providing security best practice recommendations + ... to users on IT helpdesk channels and phone lines + Assist in the management of user accounts and resetting credentials + Performing implementation of granular … more
    ARSIEM (08/28/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …and execution of mission requirements. - Perform large scale configuration management and deployment across Windows, MacOS, Linux/Unix, and other operating systems ... technical support, upgrades, patching and troubleshooting services. - Monitor RedHat platforms security and health, create and maintain reports of findings daily -… more
    Nightwing (08/28/25)
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  • Deputy Program Manager

    ManTech (Herndon, VA)
    …not limited to:** + Provide program support for the Department of Homeland Security Desktop Support Service ensuring quality and efficiency across the activities and ... (BS) degree. + 10+ years of relevant experience in service desk or program management . + 4+ years of hands-on leadership experience in service desk support and… more
    ManTech (08/09/25)
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  • End User Services Manager

    ManTech (Herndon, VA)
    …(BS) degree. + 10+ years of relevant experience in service desk or program management . + 4+ years of leadership experience in service desk support and operations. + ... One of the following certifications is required: ITIL Certification, Security +, PMP Certification **Preferred Qualifications:** + Help Desk Institute (HDI)… more
    ManTech (08/08/25)
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