• Senior System Administrator

    RTX Corporation (Tucson, AZ)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current At Raytheon, the foundation of everything we do is rooted ... IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Understanding and knowledge of Windows Server internals or … more
    RTX Corporation (10/15/25)
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  • Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    Minimum Clearance Required Secret Responsibilities I2X Technologies is a reputable technology services company to the Federal Government. Whether the focus is on ... our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for a customer in...position will be *on-site* and will require an active Secret clearance. + The selected candidate will be part… more
    ISYS Technologies (10/22/25)
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  • Systems Administrator (Mid-level)

    Serco (Middletown, RI)
    **Position Description** Are you looking for a Systems Administrator position that is engaging in high profile and challenging projects supporting the US Navy? Serco ... located in Middletown, Rhode Island. **This position requires an active DoD Secret clearance.** Serco supports the US. Navy MILSATCOM Systems and NUWC Division… more
    Serco (10/16/25)
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  • PWE Systems Administrator

    RTX Corporation (Cedar Rapids, IA)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret Collins Aerospace, Digital Technology, is hiring a Systems Administrator ... for our Secure Labs support team. A minimum Collateral Secret is required. Qualified candidates should have a passion for technology and be excited about finding… more
    RTX Corporation (09/18/25)
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  • Systems Administrator

    MIT Lincoln Laboratory (Lexington, MA)
    …of unconventional technologies for military applications Position Description The Systems Administrator (Level II) will support a wide variety of information ... on their desktop PC hardware and applications + Willingness to learn Linux system administration (prior experience preferable) + Accommodate IT-related equipment and… more
    MIT Lincoln Laboratory (09/18/25)
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  • Systems Administrator (Multiple Levels)

    Noblis (Chantilly, VA)
    Responsibilities As a Systems Administrator , you will be responsible for installing, configuring, and maintaining operating system workstations and servers, ... including web servers. You will support the multi-enclave environment (Unclassified, Secret , and Top Secret /SCI) that enables users to collaboratively perform… more
    Noblis (09/03/25)
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  • Compliance/Patching System Administrator…

    Lockheed Martin (Schriever AFB, CO)
    …Global Platforms and Infrastructure \(GPI\) team as a Patching and Compliance System Administrator offers a unique opportunity to be part of a dynamic and innovative ... position requires a government security clearance at the Top Secret level; you must be a US Citizen for...Hands\-on experience coordinating patch testing and deployment on Windows, Linux , and other common operating systems\. * Familiarity with… more
    Lockheed Martin (08/28/25)
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  • Computer System Administrator

    Northrop Grumman (Linthicum Heights, MD)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: No **Description** At Northrop Grumman, our employees have incredible ... the following: + Perform as primary Systems or Network Administrator for a classified government contract. + Communicate effectively...and 3:** + Candidates must have a current DoD Secret level security clearance (adjudicated within the last 5… more
    Northrop Grumman (08/13/25)
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  • IT Engineer - Microsoft Enterprise Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** IT ... Infrastructure and Operations **Skills:** IT Help Desk, Linux ,Microsoft (MS) Active Directory (AD),System Administration,Windows 10 **Certifications:** CompTIA… more
    General Dynamics Information Technology (10/14/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current At Raytheon, the foundation of everything we do is rooted ... IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Understanding and knowledge of Windows Server internals or … more
    RTX Corporation (10/22/25)
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