• Sr . Linux / Containerization

    Insight Global (Nashville, TN)
    Job Description Our client is looking for a Senior Linux Containerization Administrator to join their team . This is a direct hire role and will get ... This position will be supporting RedHat OpenShift, and the containerization solutions built around Linux containers and managed by Kubernetes. 80% of this role… more
    Insight Global (01/07/26)
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  • Sr . Systems Administrator - Secret…

    Lockheed Martin (King Of Prussia, PA)
    …to obtain an SCI security clearance . CompTIA Security\+ Certification . CompTIA Linux \+ or Red Hat Certified System Administrator Certification . Familiarity ... operator in the loop\. **The Work** As a Systems Administrator on the JES Program , you will: \-Work...of the client/server/storage/network devices \-Patch and harden Windows and Linux \(Red Hat\) and networking systems with Security personnel… more
    Lockheed Martin (10/29/25)
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  • Sr Manager, Lead Database…

    Charles Schwab (Southlake, TX)
    …candidate for this role to work on site in the specified location(s). As a ** Sr . Manager / Lead DBA in Client Data Technology (CDT)** , you will lead database ... with HA/DR solutions and cloud deployment (GCP preferred). + Proficiency in Linux /Unix system administration and shell scripting. + Hands-on experience with CI/CD… more
    Charles Schwab (12/19/25)
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  • Principal System Administrator - Windows…

    RTX Corporation (El Segundo, CA)
    …the integrity of our systems and support IT infrastructures around the world. ** Sr . Principal System Administrators,** internally known as Sr . Principal Analyst, ... systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. + Understanding and knowledge of Windows Server to include but… more
    RTX Corporation (12/09/25)
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  • Sr . Specialist Cyber Infrastructure…

    L3Harris (Carlsbad, CA)
    …ability to analyze outputs and drive remediation. + Extensive background as a Linux System Administrator in secure, classified environments, with expertise in ... sea and cyber domains in the interest of national security. Job Title: Sr . Specialist, Cyber Infrastructure Engineer Job Code: 32501 Job Location: Carlsbad, CA Job… more
    L3Harris (01/02/26)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, ... a Systems Administrator or similar role + Strong experience with Linux and Windows-based systems administration. + Knowledge of cloud platforms (AWS, Azure,… more
    General Dynamics Information Technology (01/05/26)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's (NSS) Cyber & Analytics Business ... and make a difference in National** **Security!** As a Senior Systems Administrator you will play a...II certification** (eg, Security+ CE, SSCP) + Experience providing Sr . Linux (Red Hat/Rocky/CentOS) and LatteArt /… more
    Leidos (11/15/25)
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  • Principal/ Sr . Principal Engineer…

    Northrop Grumman (Rome, NY)
    …they're making history. Northrop Grumman Defense Systems (NGDS) is seeking a Principal/ Sr . Principal Engineer to maintain and enhance capabilities in support of DAF ... relevant experience OR a master's degree with 3+ years of relevant experience + ** Sr . Principal Engineer (level 4):** A high school diploma with 12 years of relevant… more
    Northrop Grumman (11/13/25)
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  • Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract in the ... cloud environment administration and compliance Technical Skills: + Proficiency in Linux /Unix and Windows server administration in cloud environments + Strong… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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  • Systems Administrator - Senior

    CACI International (O'Fallon, IL)
    Systems Administrator - Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... financial auditability and transportation logistics? We're seeking a successful, experienced Senior Systems Administrators to join our team in implementing a… more
    CACI International (11/08/25)
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