• System Administrator Level IV

    General Dynamics Information Technology (Laurel, MD)
    …**Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** ... + Manages the daily activities of configuration and operations of business systems that may be mainframe, mini, or client/server based. Optimizes system operation… more
    General Dynamics Information Technology (06/12/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented **Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will support ... the implementation, troubleshooting, and maintenance of IT systems , as well as manage IT system infrastructure and associated processes. **Responsibilities include,… more
    ManTech (07/26/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …Linux operating systems . **Security Clearance Requirements:** + Active TS/SCI with Polygraph . **Physical Requirements:** + Must be able to remain in a stationary ... ManTech is seeking a **Senior Linux System Administrator ** to join our team in **Ft. Meade,...will support the implementation, troubleshooting, and maintenance of IT systems , as well as manage IT system infrastructure and… more
    ManTech (07/15/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Synergy ECP, a platform company with Falfurrias Capital ... other protected class. Required Clearance: Candidate must have a TS/SCI polygraph clearance + Provide support for implementation, troubleshooting and maintenance of… more
    Synergy ECP (06/03/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    ManTech seeks a **System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, troubleshooting, and ... maintenance of IT systems , as well as manage IT system infrastructure and...and maintenance. **Security Clearance Requirements:** + Active TS/SCI with Polygraph is required to be considered for this position.… more
    ManTech (07/15/25)
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  • System Administrator

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    System Administrator Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) *ACS Description Athenix Solutions Group is looking for a ... variety of roles to maintain and provide technical support for diverse software and hardware systems assisting in the defense of our nation. We have roles for SAs to… more
    Athenix Solutions Group, LLC (07/24/25)
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  • System Administrator 3

    Jovian Concepts, Inc. (Annapolis Junction, MD)
    Jovian Concepts, Inc is looking to hire a System Administrator Level 3 for a great opportunity in the Annapolis Junction area. TS/SCI Clearance with a Poly required. ... to support the implementation, troubleshooting and maintenance of IT systems . + Provide Tier 3 problem identification, diagnosis and...+ A current and active TS/SCI Clearance with a Polygraph is required to be considered. No CCA's will… more
    Jovian Concepts, Inc. (07/09/25)
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  • System Administrator

    Amentum (Columbia, MD)
    Amentum is hiring a professional IT Systems Administrator that will successfully support and maintain a stable IT infrastructure for multiple SCIF and commercial ... applications, and desktop support. Ensuring secure and stable operation of systems , seamless flow of information and proper functioning of endpoints throughout… more
    Amentum (07/16/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    **ManTech** seeks a motivated, career and customer-oriented **Linux System Administrator ** to join our team in the **Laurel, Maryland** location. **Responsibilities ... platforms, using VMWare. + Configure and manage Linux and Solaris operating systems + Installs/loads operating systems software + Troubleshoot, maintain… more
    ManTech (07/05/25)
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  • System Administrator

    The Boeing Company (Herndon, VA)
    …your future with us. Boeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS), seeks a **System Administrator ** (Shift Work) to join our ... deploy, operate, and maintain a wide variety of mission critical platforms and systems for commercial and government customers. This position is part of a small… more
    The Boeing Company (07/18/25)
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