• Vulnerability Research and Reverse Engineer

    Nightwing (Indialantic, FL)
    …(TCP/IP stacks, wire-level protocols, RF communications, BGP, routing protocols, or others) Linux or other OS reversing **Clearance Required** TS /SCI Clearance ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (10/14/25)
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  • Information Systems Security…

    Nightwing (Sterling, VA)
    …and commercial markets. Nightwing is seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our DevSecOps team in Herndon. ... XACTA, Nessus, ACAS, or similar. + Strong understanding of networking, operating systems (Windows/ Linux ), and encryption technologies. + Must have experience… more
    Nightwing (12/30/25)
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  • Senior Systems Engineer

    Belay Technologies (Annapolis Junction, MD)
    …network protocols and software defined networking. + Experience with version control systems . + Competency in a dedicated Linux environment. + Experience ... in 2021! Belay Technologies is seeking a Senior Sytems Engineer to join our intel team. Your will be...scalability and resiliency. + Provide increased visibility of underlying systems and rules for the system administrators on the… more
    Belay Technologies (10/17/25)
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  • ADC Engineer II, Amazon Dedicated Cloud…

    Amazon (Arlington, VA)
    …related field, or 3 years relevant experience - 3+ years of experience with Systems Administration in Linux /Unix (Ubuntu, CentOS, RedHat, Solaris, etc.) - 3+ ... Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure...building some of the largest and most complex distributed systems in the world, and we need adaptable people… more
    Amazon (12/10/25)
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  • Senior Platform DevOps Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …DevSecOps framework + Experience with troubleshooting applications & infrastructure services on Linux based Operating Systems + Background in COTS/FOSS product ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Polygraph At Raytheon, the foundation of everything...safer, more secure world. As a **Senior Platform DevOps Engineer ** , you will herald a transformative era in… more
    RTX Corporation (11/29/25)
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  • ADC Engineer I, Amazon Dedicated Cloud…

    Amazon (Denver, CO)
    …(Certified Network Defender) or Network+ or Security- 1-3 years of experience with Systems Administration in Linux /Unix (Ubuntu, CentOS, RedHat, Solaris, etc.) - ... Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure...building some of the largest and most complex distributed systems in the world, and we need adaptable people… more
    Amazon (10/16/25)
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  • Software Engineer - Mid level

    CACI International (Austin, TX)
    Software Engineer - Mid level Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of ... US * * * **The Opportunity:** CACI is seeking a talented Software engineer to join our Capabilities Development group within the Command, Control, Communication, and… more
    CACI International (12/05/25)
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  • Systems Engineer

    Leidos (Hickam AFB, HI)
    **Description** Join our National Security Sector as a Systems Engineer supporting the Headquarters Pacific Air Forces (PACAF) A2 Intelligence, Surveillance, and ... subject matter expertise to maintain, integrate, and elevate PACAF's ISR systems and ensure their seamless interoperability across joint and national-level C5ISRO… more
    Leidos (11/19/25)
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  • Enterprise Systems Engineer

    ManTech (Mclean, VA)
    **ManTech** is seeking a motivated, career and customer-oriented **Enterprise Systems Engineer ** to join our team in **McLean** **, VA** . **Responsibilities ... control models and network security + Solid understanding of server operating systems ( Linux , Windows) + In-depth understanding of communication protocols and… more
    ManTech (11/18/25)
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  • Technical Support Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Fayetteville, NC)
    …distributed systems + Experience with Micro sof t Windows and Linux operating systems + Experience supporting and collaborating with DoD operational ... Technical Support Engineer The Opportunity: As the client's personnel, you'll...day-to-day operational checks for local air and ground simulation systems , as well as multiple outstation systems ,… more
    BOOZ, ALLEN & HAMILTON, INC. (12/18/25)
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