• AWS Infrastructure /DevOps Engineer,…

    Deloitte (Lake Mary, FL)
    …experience with DevOps processes, tools and technologies + 3+ years of experience in Linux systems administration + Active Secret security clearance + Must ... the possible, and fulfill their mission promise. Our Hybrid Cloud Infrastructure offering provides specialized engineering capabilities to design, implement, manage,… more
    Deloitte (07/17/25)
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  • Senior Specialist, Cyber Infrastructure…

    L3Harris (Melbourne, FL)
    …sea and cyber domains in the interest of national security. Job Title: Systems Administrator ( Linux /Windows) Job Code: 23569 Job Location: Melbourne, FL Job ... and validation, cost and risk and supportability and effectiveness analyses for total systems . Analyses are performed at all levels of total system product to… more
    L3Harris (05/02/25)
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  • Senior Linux IT Systems Engineer…

    Lockheed Martin (Orlando, FL)
    …with demonstrated technical knowledge\. * Significant experience managing Red Hat\-based Linux Systems using an Active Directory authentication model\. \(Red ... **Description:** This role is for a Classified Linux IT Systems Engineer with a...Infrastructure hosting a hybrid VM workload\. \(Windows / Linux / Kubernetes\) * Strong troubleshooting and problem solving… more
    Lockheed Martin (07/12/25)
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  • Senior Systems Administrator ( Linux…

    GovCIO (Tallahassee, FL)
    **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core system ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6238/senior- systems -administrator--%28linux-windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6238_ **Category** _IT… more
    GovCIO (07/18/25)
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  • IT Systems Engineer / Secret…

    Lockheed Martin (Orlando, FL)
    …play a critical role in ensuring the security and integrity of our systems and infrastructure by reviewing published vulnerabilities, gathering and documenting ... creation and management; including designing, building, and documenting new environments/ systems Experience developing and maintaining Windows or Linux … more
    Lockheed Martin (07/12/25)
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  • Linux Administrator Associate

    Lockheed Martin (Cape Canaveral, FL)
    …maintenance and continuous improvement of multiple business applications that are hosted on the Linux systems \. If you are looking for a hands\-on role with the ... that's built for you\. Lockheed Martin is actively seeking an early career Linux administrator to support our Space business area unclassified & classified programs… more
    Lockheed Martin (07/18/25)
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  • Linux System Administrator

    CACI International (Sarasota, FL)
    …* * **The Opportunity:** CACI has an immediate opening for a Linux Systems Administrator, with a Top Secret Clearance (TS/SCI) with polygraph for our ... development/test network and fielded systems . CACI is seeking a development Systems Administrator with Linux experience for our Sarasota (FL) location. In… more
    CACI International (07/05/25)
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  • Senior Linux System Administrator

    Leidos (Orlando, FL)
    …the design, implementation, operation, and maintenance of complex information systems , including physical facility infrastructure , virtual devices, containerized ... **Description** Are you an experienced **Senior Linux System Administrator** looking for your next challenge? Your search ends here! We have an exciting opportunity… more
    Leidos (07/04/25)
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  • Data Center Infrastructure Engineer

    Leidos (Orlando, FL)
    …**Leidos** has a new and exciting opportunity for a **Data Center Infrastructure Engineer** in our **National Security Sector's (NSS) Cyber & Analytics Business ... Environment (PCTE). We are looking for a Data Center Infrastructure Engineer to join our team supporting the cutting-edge...implementation, and delivery of capability focused on Cyber Training systems . As a key player in our team, you… more
    Leidos (07/16/25)
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  • Cyber Security Service Provider Lead

    Cambridge International Systems Inc (Doral, FL)
    …+ Build, install, configure, test, deploy, and maintain dedicated cyber defense infrastructure hardware and software (eg, servers, operating systems , security ... for this job must possess a current DoD Top Secret security clearance. This position is contingent upon contract...(KSAT 2772). + Perform advanced system administration tasks for Linux -based systems , including security hardening, patching, and… more
    Cambridge International Systems Inc (07/10/25)
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