• COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where you will support and manage a diverse mix of workstations, servers, and high-performance computing (HPC) ... experience. + Minimum of 5 to 12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility + Must be able to pass the CI polygraph… more
    DirectEmployers Association (10/02/25)
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  • COLSA Corporation (Huntsville, AL)
    …professional experience. + Minimum of 8 years related experience + Active DoD Top Secret Clearance with SCI eligibility; US Citizenship required + Must ... We are seeking a highly skilled Systems Analyst to serve as the technical lead...Certifications (MCSA/MCSE, AZ-104, etc.). + Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE). + Experience with automation… more
    DirectEmployers Association (09/21/25)
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  • IT Systems Administrator

    SpaceX (Hawthorne, CA)
    IT Systems Administrator - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the ... with the ultimate goal of enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE SpaceX is looking for a Systems more
    SpaceX (10/11/25)
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  • LINUX Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** **Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...opportunity to make a personal impact as a **Linux** ** Systems Administrator ** with GDIT. A career in… more
    General Dynamics Information Technology (11/01/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... organization is seeking a highly experienced **Senior Principal Windows Systems Administrator ** to join its dynamic team...+ Experience with Certification & Accreditation process + Active Top Secret with current SAP/SAR access would… more
    Northrop Grumman (10/31/25)
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  • Systems Administrator / Top

    Lockheed Martin (Arlington, VA)
    …\(ACL\) at Lockheed Martin's Advanced Technology Laboratories \(ATL\) is seeking an IT Systems Engineer/ Systems Administrator with a demonstrated ability to ... selected candidate will serve as a system and network administrator for multiple program and internal R&D systems...Strong oral and written communication skills \* Current final Top Secret clearance and ability to obtain… more
    Lockheed Martin (10/22/25)
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  • Linux/Windows Systems Administrator

    Lockheed Martin (King Of Prussia, PA)
    …the boundaries of technology to help our customers achieve their missions\. The Work: As a Systems Administrator on the ECIW team, you will: \- Work in an agile ... topographies, Virtualization Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows...of start\) * CompTIA Linux\+ or Red Hat Certified Systems Administrator Certification * Ability to provide… more
    Lockheed Martin (10/15/25)
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  • Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator - Active Directory Forests - Active Top Secret ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...your opportunity to make a personal impact as a ** SYSTEMS Administrator ** with GDIT. A career in… more
    General Dynamics Information Technology (09/09/25)
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  • Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... of related experience **US Citizenship Required:** Yes **Job Description:** Job Description ** Systems Administrator ** Seize your opportunity to make a personal… more
    General Dynamics Information Technology (10/04/25)
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  • Senior Systems Administrator (Active…

    ICF (Huntsville, AL)
    …who will be a key driver to make this happen. We are seeking a skilled ** Systems Administrator ** to support daily operations of IT systems for a government ... program, ensuring stability, security, and compliance across infrastructure components. The Systems Administrator will be responsible for maintaining servers,… more
    ICF (10/09/25)
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  • IT Systems Administrator , Sr…

    Lockheed Martin (Las Vegas, NV)
    …across multiple platforms including RHEL, Windows Server, and Windows 10\. Active Top Secret Security Clearance and US Citizenship Required for this ... facility\. **Basic Qualifications:** * Must hold an active DoD Top Secret \(U\.S\. Citizen\) * Must have...CompTIA Security \+ certification * Experience with Windows Operating Systems \(i\.e\., Windows Server 2016, 2019, Win10, etc\.\) *… more
    Lockheed Martin (10/18/25)
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  • Windows Systems Administrator

    Deloitte (Lake Mary, FL)
    …degree and 8+ years of Windows systems administration experience + Active DoD Top Secret clearance required + Must be legally authorized to work in the ... through innovation. Work You'll Do Support and manage Windows operating systems and servers across the enterprise. Responsibilities include: + Installing,… more
    Deloitte (10/28/25)
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  • Network and Computer Systems

    Deloitte (Baltimore, MD)
    …years of experience. + 3+ years of experience as a network or systems administrator + Active Top Secret security clearance (SCI eligible) + Must be ... innovation. Work You'll Do Join Deloitte as a Network & Server Administrator , where you'll install, configure, and maintain our organization's local area network… more
    Deloitte (10/31/25)
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  • Systems Administrator

    Koniag Government Services (Washington, DC)
    …Management Solutions,** a Koniag Government Services company, is seeking a Systems Administrator with a Top - Secret clearance with the ability to obtain ... a Koniag Government Services company, is seeking an experienced Systems Administrator to support our government client....Minimum 8 years of system administration experience + Active Top - Secret clearance with ability to obtain SCI… more
    Koniag Government Services (10/01/25)
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  • Senior Windows Systems Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows ... Systems Administrator leads complex system administration and endpoint configuration activities within the environment. This role covers the management of… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Linux System Administrator

    CACI International (Sarasota, FL)
    …* * **The Opportunity:** CACI has an immediate opening for a Linux Systems Administrator , with a Top Secret Clearance (TS/SCI) with polygraph for our ... network and fielded systems . CACI is seeking a development Systems Administrator with Linux experience for our Sarasota (FL) location. In this position,… more
    CACI International (10/04/25)
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  • Senior Systems Administrator

    BAE Systems (Arnold, MO)
    …or 11-14 years with HS diploma (including at least 5 in a recent systems administrator role) + Must hold a Top Secret /SCI security clearance + Ability to ... **Job Description** As a Systems Administrator in an enterprise test organization, the incumbent will be part of a thriving dynamic team of Systems more
    BAE Systems (10/08/25)
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  • System Administrator - Top

    Cambridge International Systems Inc (Charleston, SC)
    System Administrator - Top Secret Clearance | Charleston, SC Cambridge International Systems , Inc. Join a dynamic global team united by shared values: ... defense and security. We are currently seeking a System Administrator to support operations in Charleston. This is a...is a full-time, CONUS position requiring an active DoD Top Secret clearance. This position may be… more
    Cambridge International Systems Inc (10/08/25)
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  • Principal / Sr Prin Contract Administrator

    Northrop Grumman (Manhattan Beach, CA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...and effectively research FAR/DFAR information. + Must have Active Top Secret Clearance **Basic Qualifications for a… more
    Northrop Grumman (09/17/25)
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  • System Administrator ( Secret

    SMX (Patuxent River, MD)
    System Administrator ( Secret to Top Secret ) (4170)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a skilled ... **System Administrator ** to work within a 24x7 Information Technology Team... Secret to start) with ability to obtain Top Secret clearance** + Knowledge of DoD… more
    SMX (10/18/25)
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