• Linux Administrator , Senior

    Amentum (Hanover, MD)
    …involved in the resolution process. Configures and manages Linux operating systems and installs/loads operating system software, troubleshoots, maintains ... so, look no further. Amentum is seeking a **Linux Administrator , Senior** to join our team of passionate individuals...and configures network components. **Requirements:** * Must have active Top - Secret clearance with SCI and Poly *… more
    Amentum (11/21/25)
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  • Senior Windows Systems Administrator

    Adapt Forward (North Charleston, SC)
    … Administrator IV, Senior Windows Systems Administrator North Charleston, SC Secret Clearance with upgrade to Top Secret As a Windows System ... local and remote user desktop machines and servers. You will focus on systems and application stability, security, performance, and capacity management, as well as… more
    Adapt Forward (12/17/25)
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  • Principal Windows Systems…

    Northrop Grumman (Linthicum Heights, MD)
    …but not be limited to the following: + Perform as a primary Windows/VMware systems administrator for a classified government contact. + Maintain smooth operation ... the best work of your career. Northrop Grumman Mission Systems is seeking a well-qualified Windows Administrator ...Bachelor's or Master's degree in IS related field. + Top Secret Clearance. + Experience operating under… more
    Northrop Grumman (01/15/26)
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  • Engineer-Cyber and Industrial Control…

    Chenega Corporation (Colorado Springs, CO)
    **Req ID:** 38940 **Summary** **Engineer-Cyber and Industrial Control System Administrator ** **Colorado Springs, CO** Are you ready to enhance your skills and ... Technology, and Intelligence. The **Engineer - Cyber and Industrial Control System Administrator ** is responsible for managing compliance automation and… more
    Chenega Corporation (01/16/26)
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  • VTC Administrator

    CACI International (Suitland, MD)
    …experience preferred. + **Required Skills and Attributes:** + Must have an active Top Secret clearance with SCI eligibility. + Comfortable in high visibility ... VTC Administrator Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (11/11/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... for itself within the Defense Contracting community taking 15th place in America's Top 100 Small Business Visionaries for the 2018 Best of Small Business Awards,… more
    Assertive Professionals (01/07/26)
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  • Principal Linux Systems…

    Northrop Grumman (San Diego, CA)
    …purchase hardware, software, and system components. + Perform as a Linux systems administrator for a classified government network and manage all aspects of ... Northrop Grumman Classified Solutions is seeking a well-qualified Linux Systems Administrator to join its dynamic team...degree in IS related field. + A current DoD Top Secret security clearance. + Current Security+… more
    Northrop Grumman (01/15/26)
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  • System Administrator

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ208915 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... (2) years of experience with Service Management (ITSM) is required. + ServiceNow System Administrator certification is required GDIT IS YOUR PLACE: * Full-flex… more
    General Dynamics Information Technology (01/14/26)
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  • Windows System Administrator

    Space Dynamics Laboratory (North Logan, UT)
    …Space Dynamics Laboratory (SDL) is seeking an experienced Windows System Administrator to design, implement, secure, and maintain systems and associated ... Key Responsibilities: + Achieves in-depth knowledge of company processes, systems , and networks + Proactively monitors assigned systems...a degree + Must already hold and maintain a Top Secret DoD security clearance, with Adjudicated… more
    Space Dynamics Laboratory (11/19/25)
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  • Senior Systems Administrator (Linux)

    Amentum (Waimea, HI)
    …OS Certifications required + Linux + Linux+ Red Hat Certified System Administrator (RHCSA) **Security Clearance** Top Secret security clearance is ... Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage...environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration, and… more
    Amentum (12/24/25)
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