• Help Desk System Administrator - Top Secret

    Lockheed Martin (Schriever AFB, CO)
    …be able to obtain the certification within 60 days of starting\. * Experience with system administration in both Windows Server and Linux operating systems \. ... \. Typical duties include configuring and managing Linux and Windows Operating systems to include implementing operating system enhancements to improve… more
    Lockheed Martin (12/11/25)
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  • Principal Storage & Data Protection System…

    RTX Corporation (Marlborough, MA)
    …Must Have:** + Typically requires a bachelor's degree with 5+ years of relevant systems administration experience, or master's degree and 3 years of experience, ... create a safer, more secure world. **Principal Storage & Data Protection System Administrators** collaborate with a motivated team to support fast-paced, critical… more
    RTX Corporation (12/05/25)
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  • Senior Systems Engineer - IT

    Lockheed Martin (Littleton, CO)
    …Engineering, or related technical field\. * 3\+ years of experience in cybersecurity, system administration , or related technical role\. * Strong knowledge of ... * Automation & Scripting: Develop and maintain scripts \(Bash, Python \) to automate security checks, patching, and system...RHEL system administration , patching, and security hardening\. *… more
    Lockheed Martin (11/12/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …projections to branch management. **Minimum Qualifications:** + 7 year's experience in systems administration of hardware and software in support of developing ... adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems...and testing of information technology systems + Experience with Linux administration +… more
    ManTech (10/16/25)
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  • Elastic Engineer

    System One (Herndon, VA)
    …plus benefits Federal End Customer Minimum Active Secret clearance with TS eligibility System One IT is staffing a direct-hire opening for an Elastic Engineer to ... Our client provides technically advanced full-spectrum cyber, data operations, systems integration, and intelligence mission support services to meet our… more
    System One (01/06/26)
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  • Systems Administrator / Top Secret…

    Lockheed Martin (Arlington, VA)
    …active Top Secret clearance to start\. \#lmatl **Basic Qualifications:** \* In\-depth systems administration experience with Linux \* Demonstrated track record ... interest in developing skills in the following technical areas: \* In\-depth systems administration experience with Windows \(including Active Directory\) \*… more
    Lockheed Martin (10/22/25)
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  • Operating Systems Engineer

    CAE USA INC (Arlington, TX)
    …Engineering, or related discipline. + 2-5 years of professional experience in systems engineering, Linux system administration , or software development. ... This is a hands-on software engineering position in CAE's Systems and Software Engineering Center ( SSWEC ) organization....this role. Core Skills + Strong proficiency with Linux system administration (preferably RHEL or derivatives). +… more
    CAE USA INC (01/07/26)
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  • System Administrator

    Amentum (Fort Gordon, GA)
    …Responsibilities:** + Hands-on IT assignments requiring technical expertise to implement systems administration strategies to support the project's technology ... QA, and CM + Respond to internal trouble ticket system requests to repair systems that are...writing software scripts using scripting languages such as Perl, Python , or Ruby for software automation + Experience planning… more
    Amentum (12/19/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …to branch management. **Minimum Qualifications:** + 10+ years' of experience in systems administration of hardware and software in support of developing ... internal servers adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems . +… more
    ManTech (12/30/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …projections to branch management. **Minimum Qualifications:** + 10 years' experience with systems administration of hardware and software in support of ... internal servers adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems . +… more
    ManTech (12/02/25)
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