• Sr. Communication Systems Design…

    Amazon (Austin, TX)
    …broadband connectivity to unserved and underserved communities around the world. As a Systems Engineer , this role is primarily responsible for the design, ... band and S/C band communication payload and customer terminal systems . The Role: Be part of the team defining...export control laws and regulations, candidates must be a US citizen or national, US more
    Amazon (12/20/25)
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  • Principal Systems Software Engineer

    Sierra Nevada Company, LLC (Plano, TX)
    …more about NC3 and SAOC here (https://www.sncorp.com/capabilities/nc3- systems /) . Are you a Systems Software Engineer who is interested in working on one of ... airborne command-and-control fleet. We need you! As a Principal Systems Software Engineer with a software background,...status is required as this position needs an active US Security Clearance for employment. Non-U.S. citizens more
    Sierra Nevada Company, LLC (11/20/25)
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  • Cyber Systems Security Engineer

    Lockheed Martin (Grand Prairie, TX)
    …This position requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Secret **Other Important Information ... **Description:** You will be a Cyber Systems Security Engineer in the Program...education\. This position is on\-site full time\. **Why Join Us ** Do you want to be part of a… more
    Lockheed Martin (11/07/25)
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  • Systems Engineer Sr. - Orlando, FL…

    Lockheed Martin (Grand Prairie, TX)
    …This position requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Secret with Investigation or ... **Description:** You will be a Systems Design & Requirements Engineer at...requirements changes on system performance and behaviors **Why Join Us ** We're looking for a highly skilled and experienced… more
    Lockheed Martin (11/06/25)
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  • Systems Integration Engineer

    CACI International (Austin, TX)
    …operating system, and security hardening requirements **Qualifications:** _Required:_ + Must be a US Citizen + Must currently hold a TS/SCI clearance with a ... Systems Integration Engineer Job Category: Engineering... Systems Integration Engineer Job Category: Engineering Time Type: Full time...Travel Required: Up to 25% Type of Travel: Continental US * * * **The Opportunity:** + Work on… more
    CACI International (12/11/25)
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  • Specialist, Systems Integration / Test…

    L3Harris (Waco, TX)
    …ability to obtain a security clearance. Security clearances may only be granted to US citizens . In addition, applicants who accept a conditional offer of ... in the interest of national security. Job Title: Specialist, Systems Integration / Test Engineer Job ID:...50% of the time and required primarily within the US , but may include OCONUS. Qualifications: + Bachelor degree… more
    L3Harris (11/08/25)
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  • Scientist, RF Systems Advanced Concept…

    L3Harris (Plano, TX)
    …ability to obtain a security clearance. Security clearances may only be granted to US citizens . In addition, applicants who accept a conditional offer of ... cyber domains in the interest of national security. Job Title: Scientist, RF Systems Advanced Concept Engineer - Plano TX/ Clifton NJ / Palm Bay, FL- Secret Job… more
    L3Harris (10/26/25)
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  • Systems and Applications Engineer

    Emerson (Austin, TX)
    …technical and non-technical collaborators. **Location for this role can be either - Marshalltown, IA, United States , OR Eden Prairie, MN, United States , ... The ideal candidate for the role of ** Systems and Applications Engineer ** will use...those who are legally authorized to work in the United States . This is not a position… more
    Emerson (12/19/25)
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  • Systems Integration and Test…

    Butler America (Grand Prairie, TX)
    …ID: #71945 Pay Range: $70-78 an hour US Citizenship REQUIRED Seeking a Systems Integration and Test Engineer to support the Launcher Integration, Test, and ... Systems Integration and Test Engineer Location:...to use JIRA for tracking software MUST BE A US CITIZEN - The selected candidate must...for tracking software MUST BE A US CITIZEN - The selected candidate must have the ability… more
    Butler America (01/05/26)
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  • Mechanical Engineer - Fluid Systems

    SpaceX (Mcgregor, TX)
    Mechanical Engineer - Fluid Systems & Structures McGregor,... Government export regulations, applicant must be a (i) US citizen or national, (ii) US ... ultimate goal of enabling human life on Mars. MECHANICAL ENGINEER - FLUID SYSTEMS & STRUCTURES SpaceX...be eligible to obtain the required authorizations from the US Department of State. Learn more about the ITARhere… more
    SpaceX (11/20/25)
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