• Senior Linux Engineer

    CACI International (Chantilly, VA)
    …7+ years of direct experience. * At least 5 years of experience in Linux system administration , with a focus on cloud-based infrastructure. * In-depth knowledge ... * Experience with Docker, including containerization and orchestration. * Strong understanding of Linux operating systems , including Red Hat Enterprise Linux … more
    CACI International (11/01/25)
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  • Linux Administrator, Senior

    Amentum (Hanover, MD)
    …- Secret clearance with SCI and Poly * At least 9 years of Linux Administration experience * Bachelor's Degree in a technical discipline, or an additional ... and remains involved in the resolution process. Configures and manages Linux operating systems and installs/loads operating system software, troubleshoots,… more
    Amentum (11/21/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …years of related experience might be substituted for a degree + 14+ years of Systems Administration experience. + Must be proficient with troubleshooting in a ... system capacity analysis and planning. + Configure and manage Linux operating systems ; install and maintain OS...Linux environment. **Security Clearance Requirements:** + Current/Active TS… more
    ManTech (10/25/25)
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  • Principal/Senior Principal Systems Engineer…

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... + Track/log Real World Events **Basic Qualifications:** + DoD Top Secret clearance that is or has... Linux : Hands-on experience deploying, configuring, and troubleshooting Linux systems , preferably RedHat 6/7/8/9 + Experience… more
    Northrop Grumman (11/21/25)
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  • UNIX/ Linux OS Administrator

    General Dynamics Information Technology (Offutt AFB, NE)
    …JWICS, and SAP/SAR environment **UNIX/ Linux OS Administrator:** + Performs systems administration for enterprise Linux /Unix solution. + Installs, ... Qualifications:** + Technical Training, Certification(s) or Degree + 3+ years of systems administration experience specifically with UNIX/ Linux software +… more
    General Dynamics Information Technology (11/19/25)
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  • UNIX/ Linux OS Administrator

    General Dynamics Information Technology (Offutt AFB, NE)
    …JWICS, and SAP/SAR environments. **UNIX/ Linux OS Administrator** + Performs systems administration for enterprise Linux /Unix solution. + Installs, ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...configures, and maintains Linux /Unix operating systems . + Analyzes and resolves problems associated with the… more
    General Dynamics Information Technology (11/05/25)
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  • IT Systems Analyst Staff / Top…

    Lockheed Martin (Hill Air Force Base, UT)
    …folders within a Windows and Linux environment **Basic Qualifications:** * Active Top Secret Clearance * U\.S\. Citizenship is a requirement to work at ... as part of a larger technical team\. This position requires an active Top Secret Clearance\. Responsibilities include: * Perform successful root cause analysis… more
    Lockheed Martin (10/17/25)
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  • Senior Specialist, Cyber Infrastructure…

    L3Harris (Palm Bay, FL)
    …infrastructures, along with a solid understanding of basic networking principles and Linux administration . This role requires a hands-on professional with a ... IT environment. Essential Functions: + Configure, monitor, maintain, and troubleshoot Redhat/Oracle Linux systems (both physical and virtual). + Deploy and… more
    L3Harris (10/29/25)
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  • Sr. Linux /Unix Administrator

    S4 Inc. (Omaha, NE)
    …users and other technical teams from a service support perspective. Required Qualifications: + Top Secret security clearance and eligible for SCI access + Cloud+ ... Sr. Linux /Unix Administrator Work Location: USSTRATCOM Offutt AFB Clearance: TS /SCI Education: HS Diploma/GED Experience: 8+ years Certification: Cloud+ or GICSP… more
    S4 Inc. (10/08/25)
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  • Windows Systems Administrator - Top…

    Northrop Grumman (Gilbert, AZ)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... and permissions + Candidates must have a current DOD ** Top ** ** Secret ** levelsecurity clearance (at a minimum),...Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (11/21/25)
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