• Senior Structural Engineer , Natrium

    Bechtel Corporation (Reston, VA)
    …procurement, and construction partner on TerraPower's Natrium team. Selected by the US Department of Energy (DOE) for its Advanced Reactor Demonstration Program, ... Natrium is participating in a DOE initiative to re-establish US leadership in nuclear energy that provides matching funding to industry to design and build an… more
    Bechtel Corporation (10/01/25)
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  • Technical Lead Engineer Systems 2

    HII (Norfolk, VA)
    …+ Linux, and/or Microsoft professional certification required. + Security+ certification required. + US Citizenship . + Must currently hold and be able to ... requires full coordination-not readiness in piece-parts. For more than 40 years, the US Navy has entrusted HII to maintain and modernize the vast majority of… more
    HII (09/28/25)
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  • Mission Modeling and Simulation Analyst…

    SAIC (Alexandria, VA)
    …and non-technical stakeholders. **Qualifications** **Required Clearance:** + Active TS/SCI. + US citizenship . **Required Education:** + Bachelors in Engineering, ... and visualization of simulation outputs; and debugging simulation models and resolve software , scripting, or logic errors within model implementations. + 3 years… more
    SAIC (08/22/25)
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  • Staff Chemical Engineer

    Applied Research Associates, Inc. (Arlington, VA)
    …in chemical process design, particularly in the context of energetic materials. + US Citizenship with the ability to obtain clearance. + Proven proficiency ... process facilities. **Due to the nature of work performed, candidates must be US citizens eligible for a Department of Defense Secret, or higher, level security… more
    Applied Research Associates, Inc. (09/01/25)
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  • Agile Software Engineers-Developers…

    The Boeing Company (Herndon, VA)
    software systems used to support the command and control of space vehicles. The software engineer will work day-to-day with system and test engineers in order ... This position requires the ability to obtain a US Security Clearance for which the US Government requires US Citizenship . An interim and/or final US more
    The Boeing Company (10/04/25)
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  • Summer 2026 Software Engineering Intern

    AeroVironment (Arlington, VA)
    …a refugee or asylee. See 22 CFR | 120.15. Some positions will require current US Citizenship due to contract requirements._ **Benefits** : AV offers an excellent ... are hiring for various roles and locations throughout the US , during the interview process we will be able...specific details regarding team and location. **Summary** As a ** Software Engineering Intern** , you'll be part of a… more
    AeroVironment (09/09/25)
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  • Principal Software Developer

    General Dynamics Information Technology (Fairfax, VA)
    …Boot **Experience:** 10 + years of related experience ** US Citizenship Required:** Yes **Job Description:** **Principal Software Developer** **We value:** ... for you + Lead a team of Developers to engineer and develop software to solve complex...or leading an engineering team + Must be a US Citizen and able to obtain and maintain Public… more
    General Dynamics Information Technology (10/03/25)
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  • Cyber Software Engineering Intern

    Lockheed Martin (Herndon, VA)
    …eligibility requirements for access to classified information, including US Citizenship \. **Desired Skills:** \- Advanced knowledge in software languages ... Ours\. Lockheed Martin Space is seeking a Summer 2026 Software Engineer Intern\. In this role, you...Software Design, Software Development and Implementation, Software Test\. Must be a US Citizen;… more
    Lockheed Martin (10/03/25)
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  • Senior Software Developer - TS/SCI…

    Leidos (Reston, VA)
    **Description** The Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities within a matrixed ... US government security clearance as a starting point. **This position requires US citizenship .** **Required Education, Skills, and Experience:** - BS degree… more
    Leidos (09/21/25)
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  • Staff Software Tech Lead (Active TS/SCI…

    Northrop Grumman (Fairfax, VA)
    …a part of our mission! Northrop Grumman Space Systems (NGSP) is seeking an experienced ** Software Engineer ** to join our team in the Payload and Ground Systems ... Business Unit (BU) to support a Ground program. The Software Tech Lead will work closely under the ...complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. US Citizenship is required for all positions… more
    Northrop Grumman (09/30/25)
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