• Software Engineer , HITL - Top…

    SpaceX (Hawthorne, CA)
    …ADDITIONAL REQUIREMENTS: + This position requires successfully obtaining and maintaining a Top Secret Security Clearance as a condition of employment. While the ... Software Engineer , HITL - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the stars is… more
    SpaceX (10/06/25)
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  • Systems Engineer SME - Exchange Messaging…

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** ... make a personal impact as a **Senior** **Principal Systems Engineer for Exchange Messaging** with GDIT. We're seeking a...Technical Skills** : DoD 8140/8570 IAT III compliance + ** Security Clearance Level** : Active Top Secret more
    General Dynamics Information Technology (11/06/25)
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  • Guidance, Navigation, & Control Engineer

    Lockheed Martin (Sunnyvale, CA)
    …is required to start employment\. Applicants must possess a currently active Secret security clearance to be considered qualified\. * Selected candidates ... - - About the Role: As a GNC Sr Engineer , you will join the GN&C team on the...Experience with generated code or autocode * Possess a Secret clearance ** Security Clearance Statement:** This position… more
    Lockheed Martin (12/11/25)
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  • Principal Network Engineer (Onsite…

    RTX Corporation (Tewksbury, MA)
    …required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** DoD Clearance: Secret RTX Corporation is an Aerospace and ... US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (11/04/25)
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  • Electro-Optical Staff Engineer (Level IV)…

    Lockheed Martin (Littleton, CO)
    …flight applications\. * Experience informally or formally leading a technical team\. * Active Secret security clearance; must be able to obtain a Top Secret ... prosperity\. Lockheed Martin Space is seeking a mid\-career **Electro\-Optical Engineer ** to join our team in **Littleton, CO** \!...* 5\+ years of work experience * Current Top Secret or TS/SCI security clearance ** Security more
    Lockheed Martin (11/20/25)
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  • Software Engineer (Starshield) - Top…

    SpaceX (Hawthorne, CA)
    Software Engineer (Starshield) - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the ... possible, with the ultimate goal of enabling human life on Mars. SOFTWARE ENGINEER (STARSHIELD) - TOP SECRET CLEARANCE Starshield leverages SpaceX's Starlink… more
    SpaceX (09/30/25)
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  • Guidance, Navigation & Control Engineer

    Lockheed Martin (Littleton, CO)
    …is required to start employment\. Applicants must possess a currently active Secret security clearance to be considered qualified\. * Selected candidates ... Space is a critical domain, connecting our technologies, our security , and our humanity\. While others view space as...are seeking an experienced Guidance, Navigation, and Control \(GNC\) Engineer , Sr\. Staff \(Level V\) who will specialize in… more
    Lockheed Martin (11/22/25)
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  • Guidance, Navigation & Control Engineer

    Lockheed Martin (King Of Prussia, PA)
    …is required to start employment\. Applicants must possess a currently active Secret security clearance to be considered qualified\. * Selected candidates ... Space is a critical domain, connecting our technologies, our security , and our humanity\. While others view space as...is seeking a full\-time Senior Guidance, Navigation, & Control Engineer \. As a Senior GNC Engineer , you… more
    Lockheed Martin (11/09/25)
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  • System Security Engineer

    NetSEA Technologies (Aberdeen Proving Ground, MD)
    Position Title: System Security Engineer Clearance: DoD SECRET or higher clearance Location: Aberdeen Proving Ground, MD Travel: up to 15% Role Overview: The ... System Security Engineer role advances mission outcomes through practical, day‑to‑day execution and clear communication. Responsibilities blend hands‑on problem… more
    NetSEA Technologies (10/14/25)
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  • Systems Engineer II, Secret

    Lockheed Martin (King Of Prussia, PA)
    …clearance\. US Citizenship is required\. **Desired Skills:** * Active DoD Top Secret Security Clearance * Systems Engineering experience including design review ... **Description:** Join our team as a **Systems Engineer ** to work on a team supporting the...Space is a critical domain, connecting our technologies, our security , and our humanity\. While others view space as… more
    Lockheed Martin (12/10/25)
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