• AMERICAN SYSTEMS (Crane, IN)
    …to apply. AMERICAN SYSTEMS , an employee-owned company, is seeking a skilled Linux Systems Administrator with 2+ years of experience and an active Top - ... our forces a decisive edge against our nation's adversaries. Responsibilities: As a Linux Systems Administrator , Staff with AMERICAN SYSTEMS you will have… more
    job goal (12/01/25)
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  • AMERICAN SYSTEMS (Crane, IN)
    …AMERICAN SYSTEMS , an employee-owned company, is seeking a skilled Senior Linux Systems Administrator with 5+ years of experience and an active Top ... forces a decisive edge against our nation's adversaries. Responsibilities: As a Senior Linux Systems administrator with AMERICAN SYSTEMS , you will have the… more
    job goal (12/01/25)
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  • AMERICAN SYSTEMS (Chantilly, VA)
    …out what skills, experience and educational qualifications are needed. Are you an aspiring Systems Administrator eager to build your technical skills and make a ... support to an established national security customer. Responsibilities: As an Associate Systems Administrator , you will have the opportunity to: Provide direct,… more
    job goal (12/01/25)
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  • ATR Arena Technical Resources (Charleston, SC)
    Job Description System Administrator Location: N. Charleston SC Clearance: Top Secret Job Summary We are seeking a highly motivated and experienced ... System Administrator to support a dynamic team of...DISA STIGs, NIST 800-53, or RMF. Security Clearance * Top Secret * Work onsite in North Charleston,… more
    job goal (12/01/25)
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  • COLSA Corporation (Shalimar, FL)
    …applications or devices to stand up systems for testing. + Performs other system administrator duties, booting and shutting down a system , mounting file ... lab. This support includes the following: + Provide everyday system administrator support to include troubleshooting desktop...with the ability to obtain and maintain a DoD Top Secret Clearance. + Must have a… more
    DirectEmployers Association (11/28/25)
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  • SimVentions, Inc (Avenue, MD)
    …been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for compliance with Naval Air Systems ... County, MD and requires daily on-site presence. Clearance: A Top - Secret Clearance is required for this position,... for optimum performance and security Migrating or updating systems Responding to system failures promptly to… more
    job goal (11/28/25)
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  • Argonne National Laboratory (Lemont, IL)
    Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). ... granted by the US Department of Energy (DOE). It's functionally equivalent to a ** Top Secret clearance** , allowing access to information classified up to that… more
    DirectEmployers Association (11/22/25)
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  • 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) ... including firewalls and SELinux. + Work with Ansible for system configuration and automation. + Deploy and manage containerized...to 12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility +… 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...Microsoft Certifications (MCSA/MCSE, AZ-104, etc.). + Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE). +… 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 ... enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE...+ Experience with networking technologies and the Linux operating system environment. + PowerShell (or other) scripting experience. PREFERRED… more
    SpaceX (10/11/25)
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