• C4I Systems /Network Engineer

    SOLUTE Careers (San Diego, CA)
    …across Navy tactical networks with emphasis on ADNS operations, Red Hat Enterprise Linux administration , and TACNET system support. + Supports the configuration, ... Sigma Defense is seeking a self‑directed, highly motivated C4I Systems /Network Engineer to support this mission. Equal Opportunity Employer/Veterans/Disabled: Sigma… more
    SOLUTE Careers (01/17/26)
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  • Senior Systems Administrator with Poly

    BigBear.ai (Annapolis Junction, MD)
    … to ensure optimized performance and security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile activities for systems ... Overview BigBear.ai is seeking a Senior Systems Administrator with an active TS/SCI with Poly...Proficient with Linux . Minimum of 3 years Linux system administration experience (within the last… more
    BigBear.ai (12/30/25)
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  • Senior Engineer, Systems Engineering

    Intercontinental Exchange (ICE) (Atlanta, GA)
    …with Linux operating systems (RedHat variants preferred) + Intermediate Linux administration and engineering + Proficiency in scripting languages such as ... Overview **Job Purpose** The Systems Engineer is responsible for creating and maintaining...for creating and maintaining availability and high-performance in mixed Linux and Windows development, non-production, and production environments. This… more
    Intercontinental Exchange (ICE) (12/23/25)
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  • Advisory Systems Administrator

    Frontier Technology Inc. (Huntsville, AL)
    …setting up and installing system hardware and applications, and providing ongoing support and administration of the systems . Take the next step in your career ... your toolkit by joining a highly skilled and seasoned system administration team. Responsibilities + Responsible for the maintenance, configuration, and reliable… more
    Frontier Technology Inc. (01/07/26)
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  • Systems Administrator

    Guidehouse (Bethesda, MD)
    …or DoD security clearance + Bachelor's Degree + FOUR (4) or more years' of systems administration or relevant experience **What Would Be Nice To Have:** + ... including Elasticsearch, Logstash, Kibana and *beats + Experience with Windows Systems Administration and troubleshooting Active Directory + Experience… more
    Guidehouse (12/10/25)
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  • System Administrator III

    Hyundai Autoever America (Savannah, GA)
    …assets, purchase history, and warranty data. Other Duties as required + Windows/ Linux Server Administration and Management: Oversee the operation, performance, ... Systems Administrator III. The role involves advanced expertise in Windows/ Linux server /Storage environments, encompassing server administration , security,… more
    Hyundai Autoever America (11/10/25)
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  • Fractional Systems Engineer (remote)

    System One (Washington, DC)
    …and management of cyber and information technology. + Proven system administration experience in a cross-platform environment ( Linux /Windows) supporting various ... Job Title: Fractional Systems Engineer (remote) Location: Washington, DC Type: Contract...and operational requirements. Technical Skills + Strong proficiency with Linux /Unix and Windows server administration + Experience… more
    System One (01/15/26)
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  • Systems Administrator

    Robert Half Technology (Nashville, TN)
    …: Manage and maintain server hardware and software, including Windows Server, Linux , or other relevant operating systems . + Network Management: Oversee ... Linux , and virtualization technologies. + Experience with network administration and security protocols. + Proficiency in hardware and software troubleshooting.… more
    Robert Half Technology (01/05/26)
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  • Windows Systems Administrator

    Samsung SDS America (Austin, TX)
    …Position Summary: Samsung SDS America is actively seeking a Microsoft Systems Engineer, to support core Microsoft services spanning on-prem infrastructure and ... will work on the Windows team and collaborate with, security, networking, Linux , and service desk teams to maintain reliability, improve operational practices, and… more
    Samsung SDS America (01/11/26)
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  • Sr Systems Administrator

    Robert Half Technology (Jacksonville, FL)
    …policies, and operational procedures. Requirements Qualifications: + 4+ years of systems administration experience. + Strong knowledge of Windows Server, ... Description We are seeking a Senior Systems Administrator to maintain and optimize our IT...security, and scalability. Key Responsibilities: + Administer Windows and Linux servers, Active Directory, and virtualization platforms. + Implement… more
    Robert Half Technology (01/10/26)
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