• Cloud Information Systems Security…

    CGI Technologies and Solutions, Inc. (Huntsville, AL)
    …of NIST Risk Management Framework (RMF). * Proficiency in cybersecurity principles and Unix/ Linux and Windows operating systems . Desired Qualifications * ... **Cloud Information Systems Security Engineer (ISSE) - Sr** **Category:** Cyber Security **Main location:** United States, District of Columbia, Washington… more
    CGI Technologies and Solutions, Inc. (12/24/25)
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  • Senior Systems Engineer

    CACI International (Annapolis Junction, MD)
    Senior Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... of Travel: None * * * **The Opportunity:** Senior Systems Engineer with strong design experience related...system fit-up, and system deployment, as well as general Windows and Linux system administration and sustainment… more
    CACI International (10/21/25)
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  • Network Engineer

    Assertive Professionals (Chantilly, VA)
    Network Engineer About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... with Polygraph Timeline Pipeline Description Assertive Professionalsis seeking aNetwork Engineer with Po/ygraph supporting ourNational Security Customer in Chantilly,… more
    Assertive Professionals (11/21/25)
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  • Lead Systems Engineer

    Centene Corporation (Austin, TX)
    …with PowerShell, Bash, or Shell scripting and Endpoint Engineering, network protocols + Linux and Windows server vulnerability remediation + Linux and ... direction in-line with business goals. Trains, mentors, and supports systems engineers. Installs, configures and upgrades and enhancements to… more
    Centene Corporation (01/11/26)
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  • Sr. Specialist Cyber Infrastructure…

    L3Harris (Carlsbad, CA)
    …operations. Essential Functions: + Engineer and oversee administration of Linux (Ubuntu/Red Hat) and Windows Server enterprise environments, ensuring ... + Deep technical proficiency with Linux (Ubuntu/Red Hat) and Windows Server operating systems , including hardening, patching, and performance optimization… more
    L3Harris (01/02/26)
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  • Network Engineer I (Future Opening)

    GCI Communication Corp (Anchorage, AK)
    …JNCIP PCNSE CMTS CCIE NSR I/ II CCNA JNCIS NSRAJNCDA JNCIA JNCIE Arris DOCSIS CTO - Systems Engineer : This role is part of CTO focused on technology related to ... Certifications: Red Hat Cert System Admin VMware Cert Professional Advance VMware Cert Professional CompTIA Linux + CTO - VoIP Engineer : This role is part of CTO… more
    GCI Communication Corp (10/16/25)
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  • IT Systems Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are not ... + Knowledge and experience with virtual infrastructure technologies, all components of Windows and Linux system infrastructure, Local Area Network/Wide Area… more
    ManTech (11/19/25)
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  • Application Engineer - Information Security

    CACI International (Fort Meade, MD)
    …development. **Responsibilities** + Perform essential system administration functions for both Linux and Windows servers. + Configure, maintain, and automate ... Application Engineer - Information Security Job Category: Information Technology...processes for Linux and Windows servers, including device hardening,… more
    CACI International (12/20/25)
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  • Sr. Systems Engineer - RF Signal…

    RTX Corporation (Tucson, AZ)
    …innovative weapons systems and advanced AI/ML solutions. We're looking for **Sr. Systems Engineer - RF Signal and Sensor Modeling Engineers** who enjoy ... environment, and are eager to learn. As a **Sr. Systems Engineer - RF Signal and Sensor...evaluation of data sets + Experience with UNIX / Linux or Apple OS or Windows DOS… more
    RTX Corporation (12/06/25)
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  • Sentinel Principal / Sr. Principal Cyber Software…

    Northrop Grumman (Huntsville, AL)
    … (T03/T04)** to join our team in **Huntsville, AL** . **Job Description** : * Administer systems based on Linux and Windows operating systems * Automate ... This engineer will bring Extensive knowledge of Linux internals (eg PAM, systemd, SELinux) and Windows...with DNS concepts and basic networking concepts. Additionally, this engineer will have experience managing headless systems … more
    Northrop Grumman (01/07/26)
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