• IT Linux Systems Engineer

    SpaceX (Hawthorne, CA)
    IT Linux Systems Engineer - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring ... the ultimate goal of enabling human life on Mars. IT LINUX SYSTEMS ENGINEER - TOP SECRET CLEARANCE SpaceX is looking for an experienced engineer with… more
    SpaceX (11/14/25)
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  • IT Systems Engineer - Top

    SpaceX (Hawthorne, CA)
    IT Systems Engineer - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the ... with the ultimate goal of enabling human life on Mars. IT SYSTEMS ENGINEER - TOP SECRET CLEARANCE SpaceX is looking for a Systems Engineer more
    SpaceX (11/06/25)
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  • Lead IT Systems Engineer

    SpaceX (Hawthorne, CA)
    Lead IT Systems Engineer - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the ... ultimate goal of enabling human life on Mars. LEAD IT SYSTEMS ENGINEER - TOP SECRET CLEARANCE As Lead IT Systems Engineer , you're responsible for… more
    SpaceX (10/28/25)
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  • COMSEC / 5G cellular / VHF Systems

    General Dynamics Information Technology (Washington, DC)
    …of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Engineer - Active Top Secret Required** Seize your opportunity to ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...make a personal impact as a Systems Engineer supporting a world class maintenance… more
    General Dynamics Information Technology (11/20/25)
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  • Systems Engineer SME - Exchange…

    General Dynamics Information Technology (Washington, DC)
    …experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...to make a personal impact as a **Senior** **Principal Systems Engineer for Exchange Messaging** with GDIT.… more
    General Dynamics Information Technology (11/06/25)
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  • Sr. Systems Engineer ( Top

    Lockheed Martin (King Of Prussia, PA)
    …to join Lockheed Martin Rotary and Missions Systems \(RMS\) as a Senior Systems Engineer \! Lockheed Martin is a global leader in aerospace, defense, and ... experience, or equivalent experience/combined education\. You currently hold a Top Secret clearance\. **The Work:** We are...**The Work:** We are in search of an experienced Systems Engineer to join our team\. As… more
    Lockheed Martin (11/06/25)
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  • Principal/Sr. Principal Systems

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Sector seeks a qualified Principal or Senior Principal Systems Engineer for the role of Ground...+ **Must have US Citizenship with current or active Top Secret Clearance at time of application**… more
    Northrop Grumman (10/17/25)
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  • Principal/Senior Principal Systems

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... We are looking for a Principal or Senior Principal Systems Engineer to join our team at...+ Track/log Real World Events **Basic Qualifications:** + DoD Top Secret clearance that is or has… more
    Northrop Grumman (11/21/25)
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  • Senior Systems Engineer ( Top

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret **Are you looking to make a meaningful, positive impact ... of those who protect us. As our next Senior Systems Engineer , you will take on more...minimum 3 years of experience. + Active and transferable Top Secret US government issued security clearance… more
    RTX Corporation (09/13/25)
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  • Senior Systems Engineer - Top

    Lockheed Martin (King Of Prussia, PA)
    …environment * Experience developing Operations Procedures and training materials * Active Top Secret security clearance with the ability to obtain and ... to satisfy and fulfill customer directed objectives As a member of the Systems Engineering team you will: * Perform in an accelerated, collaborative, dynamic small… more
    Lockheed Martin (12/05/25)
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  • Principal Systems Engineer - Active…

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer ** Seize your opportunity to make a personal… more
    General Dynamics Information Technology (11/08/25)
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  • Senior Systems Engineer - Test…

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret **Are you looking to make a meaningful, positive impact ... of those who protect us. As our next Senior Systems Engineer , you will take on more...minimum 3 years of experience. + Active and transferable Top Secret US government issued security clearance… more
    RTX Corporation (09/13/25)
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  • IT Systems Engineer , Sr…

    Lockheed Martin (King Of Prussia, PA)
    …Citizenship is a requirement to work at this facility \(No dual citizenship\)\. \- Top Secret level security clearance required\. \- Ability to move, rack, stack ... This IT professional will ensure that the Space IT systems are managed, controlled and compliant with the Security...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (11/07/25)
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  • Lead, Software Systems Engineering…

    L3Harris (Palm Bay, FL)
    …sea and cyber domains in the interest of national security. Job Title: Lead , Software Systems Engineer ( Top Secret Clearance) Job Code: 30120 Job ... Functions: We are seeking an experienced and skilled senior systems engineer to join our development team....of 13 years of prior related experience. + Active Top Secret security clearance + 5+ years… more
    L3Harris (10/18/25)
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  • Systems Engineer Sr - Top

    Lockheed Martin (King Of Prussia, PA)
    …to satisfy and fulfill customer directed objectives As a member of the Systems Engineering team you will: * Perform in an accelerated, collaborative, dynamic small ... successful execution of program Interim Design Reviews * Development of systems engineering documentation such as feature description documents, trade studies,… more
    Lockheed Martin (11/01/25)
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  • Systems Engineer - Level 2/3…

    Northrop Grumman (Dulles, VA)
    …employees are not only part of history, they're making history. Northrop Grumman is seeking a Systems Engineer located in Dulles VA. The Systems engineer ... coordination. This requisition may be filled at either the Systems Engineer (level 2) or Principal ...relevant experience + US Citizenship + Active or current Top Secret level clearance and the ability… more
    Northrop Grumman (11/20/25)
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  • Systems Engineer (Level 2)…

    Lockheed Martin (King Of Prussia, PA)
    …effectively and work in a collaborative environment * This position requires a Top Secret clearance with investigation date within 5 years clearance prior ... fulfill customer directed objectives As a member of the Systems Engineering team you will: * Perform in an...an SCI clearance **Desired Skills:** * Experience with model\-based systems engineering \(MBSE\) and proficiency with SysML and Cameo… more
    Lockheed Martin (11/23/25)
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  • Senior Systems Engineer , Level 3…

    Lockheed Martin (King Of Prussia, PA)
    …Experience defining tests required to satisfy feature acceptance criteria * Current Top Secret Security Clearance **Desired Skills:** * Experience with ... customer directed objectives As a member of the the Systems Engineering/Integration team, in this role you will performing...as operational system checkout\. * Experience with satellite ground systems * Experience with MBSE and tools such as… more
    Lockheed Martin (11/23/25)
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  • Systems Engineer II (Active…

    NANA Regional Corporation (Albuquerque, NM)
    Seeking an experienced computer systems engineering professional to join our team at the Distributed Mission Operations Center (DMOC). Some knowledge of military ... weapon systems simulations is a plus. Must have an understanding...etc.). **Responsibilities** + Install, configure, and maintain servers, operating systems , and software applications. + Monitor system performance and… more
    NANA Regional Corporation (10/13/25)
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  • Test Engineer -Communications…

    Northrop Grumman (Dulles, VA)
    …3) or 8 years (level 4) of relevant experience + US citizen + Active or current Top Secret clearance with the ability to obtain SCI at the time of application. + ... Space Systems Division is seeking a well-qualified Communications Systems Test Engineer to join our dynamic team of technical professionals in Dulles,… more
    Northrop Grumman (12/05/25)
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