• Cybersecurity Subject Matter Expert - Lead

    TekSynap (Columbus, OH)
    …+ Provide expert-level support, research, and analysis of exceptionally complex cybersecurity problems, processes, and solutions. + Serve as a technical advisor ... to the Cybersecurity Assessment Program, delivering technical direction, interpretation, and alternative...Certified Network Professional Security (CCNP Security) + Certified Information Systems Auditor (CISA) + **Certified Information Systems more
    TekSynap (10/16/25)
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  • Modernization Cyber Systems

    Lockheed Martin (Hanover, MD)
    **Description:** **The Work:** We are seeking professionals interested in Systems Administration\. * Here, you are going to provide life\-cycle services to advance ... mission in support of Cybersecurity and SIGINT midpoint collection\. * You will modernize...providing new features and enhancements to Front End Solutions systems \. This will allow for products to work at\-scale… more
    Lockheed Martin (10/10/25)
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  • Splunk Administrator

    SAIC (Washington, DC)
    **Description** **SAIC** is seeking a **Splunk Administrator ** to support enterprise cybersecurity operations. This role is responsible for administering, ... on-site days per week in Washington, DC.** + Bachelor's degree in Cybersecurity , Computer Science, Information Systems , Engineering, or related technical… more
    SAIC (09/13/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Norfolk, VA)
    …Experience automating deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in using Active ... innovative solutions to enable secure and reliable operations of enterprise computer systems . Develop new concepts and processes and analyze root causes and resolve… more
    ENS Solutions (09/27/25)
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  • Network Security Administrator

    TekSynap (Pensacola, FL)
    …The **Network Security Administrator ** is responsible fornetwork boundary protection, cybersecurity posture, and accreditation oversight of IT systems across ... Command (NMOTC) Enterprise. This role ensures compliance with DoD cybersecurity policies, oversees network security operations, and supports system accreditation… more
    TekSynap (10/07/25)
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  • Linux System Administrator

    Huntington Ingalls Industries (Des Moines, IA)
    …short video: https://vimeo.com/732533072 Summary HII Mission Technologies is seeking a Linux Systems Administrator to support the Air National Guard (ANG) 132nd ... Air National Guard training and operations. By maintaining and securing Linux systems , the administrator enables seamless distributed training, strengthens cyber… more
    Huntington Ingalls Industries (10/16/25)
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  • Principal Systems Administrator

    RTX Corporation (Tucson, AZ)
    …technology solutions to prevent security threats, protect the integrity of our systems and support RTX's IT infrastructure around the world. **Principal System ... complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux… more
    RTX Corporation (10/01/25)
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  • Linux Administrator - ACAS

    CACI International (Springfield, VA)
    Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... contract with the National Geospatial-Intelligence Agency (NGA) for Transport & Cybersecurity Services (TCS) contract. The functional capabilities are to provide the… more
    CACI International (08/11/25)
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  • Senior Network Administrator

    ManTech (Key West, FL)
    …certifications. **Desired Qualifications:** + Master's degree in a network engineering, cybersecurity , or information systems , or a related field. Experience ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Network Administrator ** to join our team in **Key West, FL** . **Responsibilities include but… more
    ManTech (09/11/25)
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  • LMS Administrator

    Applied Research Solutions (Patuxent River, MD)
    …+ Manage integrations with third-party tools and platforms, such as authentication systems (eg, Active Directory) and cybersecurity content authoring software. + ... **Description** Applied Research Solutions is looking for a full-time LMS Administrator to support the Cyber Training Academy in Elkridge, MD **Why Work with us?**… more
    Applied Research Solutions (09/13/25)
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