• Specialist, System Administration - TS /SCI…

    L3Harris (Rochester, NY)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Systems Administrator - TS /SCI Job Code: 27813 Job Location: Rochester, NY ... 80 hours worked - and have every other Friday off Job Description: Experienced Systems Administrator responsible for maintaining a mixed Windows and Linux more
    L3Harris (08/22/25)
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  • Linux System Administrator

    Leidos (Huntsville, AL)
    Linux operating systems with strong capability in administering **Red Hat Linux .** + **Active Top Secret Clearance** + **Current IAT II ... AL office. **Clearance:** You must currently hold an active Top Secret clearance to qualify for consideration...Familiarity with Risk Management Framework requirements for Windows and Linux systems . + DoD Directive 8570 /… more
    Leidos (08/16/25)
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  • Security Control Assessor (SCA) ( TS /SCI)

    Tau Six (Chantilly, VA)
    …networking, and cybersecurity tools, techniques, and tactics. Clearance Required: US Government Top Secret / SCI Responsibilities: The Security Control Assessor ... market. We are seeking a motivated self-starter with experience in secure information systems to join a team of security professionals and help defend national… more
    Tau Six (07/23/25)
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  • Principal Linux System Administrator

    General Dynamics Information Technology (Livermore, CA)
    …Yes **Job Description:** $10K Sign-on bonus A Principal Linux System Administrator Maintains an organization's computer systems ' workflows and is responsible ... RQ192592 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job… more
    General Dynamics Information Technology (08/09/25)
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  • Principal Linux System Administrator

    BAE Systems (Manchester, NH)
    Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT infrastructure operations in ... **Key responsibilities include:** + Administer patch management for RHEL-based Linux systems , including vulnerability scanning, patch deployment, and… more
    BAE Systems (09/09/25)
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  • System Administrator Linux (Onsite)

    RTX Corporation (St. Petersburg, FL)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret We have an immediate career growth opportunity with our ... Information Workplace Services team for a talented Linuz Systems Administrator . This is an opportunity to...eligible for a security clearance. + An active DoD Top Secret clearance is required. + Must… more
    RTX Corporation (09/16/25)
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  • System Development Engineer, STRADA - Service…

    Amazon (Arlington, VA)
    …skills to launch a project on a trajectory to success? Amazon is seeking a Linux /Unix Systems Administrator /Engineer with the ability to automate day to day ... and/or services from the ground up. A good candidate must have strong Linux /Unix Systems Administration knowledge, including shell scripting, and a proficiency… more
    Amazon (09/24/25)
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  • Linux Administrator - ACAS

    CACI International (Springfield, VA)
    Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular ... the NGA mission. In this role, we're seeking a ** Linux Administrator - ACAS** who could potentially...vendor updates are received **You'll Bring These Qualifications** + Top Secret /SCI clearance (current), with the ability… more
    CACI International (08/11/25)
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  • Manager, System Administration - TS /SCI

    L3Harris (Rochester, NY)
    …land, sea and cyber domains in the interest of national security. Job Title: Manager, Systems Administrator - TS /SCI Job Code: 26980 Job Location: Rochester, ... totaling 80 hours worked - and have every other Friday off Job Description: The Systems Administrator Manager is responsible for maintaining a mixed Windows and … more
    L3Harris (08/08/25)
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  • Senior Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret At Raytheon, the foundation of everything we do is ... You Will Do** + We are seeking an experienced Linux Administrator that will be working in...years experience. + Active and transferable US government issued Top Secret security clearance is required prior… more
    RTX Corporation (09/26/25)
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