• 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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  • 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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  • HPC Linux Systems Administrator 3/4…

    Northrop Grumman (Melbourne, FL)
    …You!** The Northrop Grumman Classified Solutions team is seeking a senior **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...have the ability to obtain, and maintain, a DOD ** Top Secret ** level security clearance as a… more
    Northrop Grumman (09/10/25)
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