• Mid/Senior System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …our intel team. The SA provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems . The SA manages IT systems ... to improve reliability and performance. Candidates should have the following qualifications: + TS / SCI with polygraph is required. + Bachelor's Degree in a… more
    Belay Technologies (11/19/25)
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  • System Administrator

    CACI International (Laurel, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: ... and Routing (ETR), Y4212/ Application Messaging Framework (AMF), and Y4213/ Information Transport Services (ITS). Y421 transports critical data to protect US… more
    CACI International (11/20/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …troubleshooting in a Linux environment. **Security Clearance Requirements:** + Current/Active TS / SCI with Polygraph. **Physical Requirements:** + Must be able ... 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… more
    ManTech (10/25/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    …or any other protected class. Required Clearance: Candidate must have a TS / SCI polygraph clearance + Provide support for implementation, troubleshooting and ... System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Synergy ECP,...clearance levels to secure our clients' computer networks and information at a time when a premium is placed… more
    Synergy ECP (09/01/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …installation, configuration, troubleshooting, and maintenance. **Security Clearance Requirements:** + Active TS / SCI with Polygraph is required to be considered ... ManTech seeks a **Senior Linux System Administrator ** to join our team in **Ft. Meade,...provide support for implementation, troubleshooting, and maintenance of IT systems , as well as manage IT system infrastructure and… more
    ManTech (10/14/25)
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  • System Administrator (SA) 2 with Poly

    Amentum (Columbia, MD)
    …+ Provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems . Manage IT system infrastructure ... so, look no further. We are seeking a System Administrator 2 to join our team of passionate individuals...complexity is required. + US Citizen with an active TS / SCI and polygraph. \#javelin Pay Transparency Verbiage… more
    Amentum (09/22/25)
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  • Database Administrator 3

    M. C. Dean (Annapolis Junction, MD)
    …may meet eligibility requirements, including US Citizenship, for access to classified information ; **ACTIVE TS / SCI w/ Poly clearance REQUIRED.** **Position ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (11/26/25)
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  • Database Administrator 5

    M. C. Dean (Annapolis Junction, MD)
    …must meet eligibility requirements, including US Citizenship, for access to classified information ; **ACTIVE TS / SCI w/ Poly clearance REQUIRED.** **Position ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (11/26/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    …in computer operating systems **Clearance Requirement:** + Must have a current/active TS / SCI with Poly **Physical Requirements:** + Must be able to remain in ... seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team located in the **Ft....and software in support of developing and testing of information technology systems + Experience using Ansible… more
    ManTech (11/03/25)
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  • System Administrator

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    …so we have an exciting job waiting for you! Requirements + Active Clearance: TS / SCI with Polygraph?is required + Education: Positions available no matter where ... System Administrator Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) *ACS Description Athenix...and provide technical support for diverse software and hardware systems assisting in the defense of our nation. We… more
    Athenix Solutions Group, LLC (10/23/25)
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