• 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 ... those who protect us. As our next Senior Systems Engineer , you will take on more responsibility and leverage...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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  • Test Engineer -Communications…

    Northrop Grumman (Dulles, VA)
    …Northrop Grumman Space Systems Division is seeking a well-qualified Communications Systems Test Engineer to join our dynamic team of technical professionals ... include but may not be limited to:** + Deploy, test , maintain, and troubleshoot satellite ground stations. This will...relevant experience + US citizen + Active or current Top Secret clearance with the ability to… more
    Northrop Grumman (12/05/25)
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  • Top Secret Automation Test

    Insight Global (Broad Run, VA)
    Job Description Our client is seeking an Automation Test Engineer to support a federal end customer with a build and modernization effort. The Automation Test ... Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements -Active Top Secret clearance -At least 7 years of… more
    Insight Global (11/25/25)
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  • Flight Test Engineer /NFO

    KBR (Oxnard, CA)
    …KBR is seeking a Flight Test Engineer /Navy Flight Officer (NFO) - Top Secret + SSBI. This position supports tasking at Naval Air Station (NAS) Point ... Title: Flight Test Engineer /NFO KBR's Mission Engineering Division delivers complex technical solutions and expert support to the US Department of Defense,… more
    KBR (10/25/25)
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  • Principal / Sr. Principal Requirements…

    Northrop Grumman (Jessup, MD)
    …Qualifications of Principal / Sr. Principal Requirements and Test Planning Systems Engineer :** + Current/active DoD Top Secret Clearance and SCI with ... (NGMC) (https://www.northropgrumman.com/what-we-do/mission-solutions/microelectronics) is seeking a **Principal/Sr. Principal Requirements and Test Planning Systems Engineer ** **What You'll Get… more
    Northrop Grumman (12/05/25)
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  • Integration and Test Engineer

    SMX (Boulder, CO)
    Integration and Test Engineer ( Secret to TS) (4833)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boulder, CO Are you interested in the next ... pressing needs. We are looking for an **Integration and Test Engineer ** who is excited to apply... level clearance is required with ability to obtain Top Secret .** **Essential Duties & Responsibilities** +… more
    SMX (11/26/25)
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  • Software Engineer , HITL - Top

    SpaceX (Hawthorne, CA)
    Software Engineer , HITL - Top Secret Clearance Hawthorne,...with test automation and CI/CD pipelines + Active Top Secret , Top Secret SCI, ... ultimate goal of enabling human life on Mars. SOFTWARE ENGINEER , HITL - TOP SECRET ... in Special Programs, you will design, develop, and test key aspects of an in-house solution for analysis,… more
    SpaceX (10/06/25)
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  • Mission Integration Engineer

    SpaceX (Hawthorne, CA)
    Mission Integration Engineer , Cybersecurity - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is ... with the ultimate goal of enabling human life on Mars. MISSION INTEGRATION ENGINEER , CYBERSECURITY - TOP SECRET CLEARANCE Starshield leverages SpaceX's… more
    SpaceX (12/07/25)
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  • Software Engineer , Data - Top

    SpaceX (Hawthorne, CA)
    Software Engineer , Data - Top Secret... in Special Programs, you will design, develop, and test key aspects of an in-house solution for analysis, ... ultimate goal of enabling human life on Mars. SOFTWARE ENGINEER , DATA - TOP SECRET ...a scalable, high-performance web application used to control and test flight systems. This is a high-impact role where… more
    SpaceX (10/06/25)
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  • Full Stack Software Engineer - Top

    SpaceX (Hawthorne, CA)
    Full Stack Software Engineer - Top Secret Clearance...TOP SECRET CLEARANCE As a Software Engineer , you will design, develop, and test key ... one large (>100,000 lines) software project + Strong skills in debugging, performance optimization, and test automation. + Active Top Secret , Top more
    SpaceX (10/06/25)
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  • Software Engineer (Special Projects)…

    SpaceX (Hawthorne, CA)
    Software Engineer (Special Projects) - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out ... ultimate goal of enabling human life on Mars. SOFTWARE ENGINEER (SPECIAL PROJECTS) - TOP SECRET...validate devices that communicate-to and fly-in space + Analyze test results and bugs which require in-depth investigations +… more
    SpaceX (11/26/25)
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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 ... ultimate goal of enabling human life on Mars. SOFTWARE ENGINEER (STARSHIELD) - TOP SECRET ...& development projects + Develop tools that allow for test execution across multiple environments: virtualized hardware, real hardware-in-the-loop,… more
    SpaceX (09/30/25)
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  • Systems Engineer SME - Exchange Messaging…

    General Dynamics Information Technology (Washington, DC)
    …**Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** Seize your opportunity to make a personal impact ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...needs of our customers. In this role, the systems engineer will design, test , develop, and integrate… more
    General Dynamics Information Technology (11/06/25)
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  • Sr. Systems Engineer ( Top

    Lockheed Martin (King Of Prussia, PA)
    …over 3 years of experience, or equivalent experience/combined education\. You currently hold a Top Secret clearance\. **The Work:** We are in search of an ... or equivalent experience/combined education\. * Security Clearance required Prior to Start: Top Secret * Experience developing system, hardware, and performance… more
    Lockheed Martin (11/06/25)
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  • Mission Integration Engineer - Top

    SpaceX (Hawthorne, CA)
    Mission Integration Engineer - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the ... make this possible, with the ultimate goal of enabling human life on Mars. MISSION INTEGRATION ENGINEER - TOP SECRET CLEARANCE In this role, you will lead… more
    SpaceX (11/11/25)
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  • Sr. Software Engineer ( Top

    Lockheed Martin (King Of Prussia, PA)
    …over 3 years of experience, or equivalent experience/combined education\. You currently hold a Top Secret clearance\. **The Work:** * As a Software Engineer ... Rotary and Missions Systems \(RMS\) as a Senior Software Engineer \! Lockheed Martin is a global leader in aerospace,...**Basic Qualifications:** * Security Clearance required prior to start: Top Secret * Experience developing full stack… more
    Lockheed Martin (11/06/25)
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  • Electronics Engineer IV, Electrical Ground…

    Lockheed Martin (Littleton, CO)
    …with analog or digital design\. * 5\+ years professional experience\. * Must have an active DoD ** Top Secret clearance** , thus you are a **US Citizen** \. - - - ... cycle \(development, deployment, retirement\)\. * Must have an active TOP SECRET clearance with the ability to...for development, test , and maintenance of integrated test systems, and experience as Subject Matter Engineer more
    Lockheed Martin (12/10/25)
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  • Electro-Optical Engineer Staff (Level IV)…

    Lockheed Martin (Louisville, CO)
    …support laboratory experiments or similar * Informal or formal leadership/lead experience * Top Secret clearance required prior to start; US citizenship required ... you\. Lockheed Martin Space is seeking a Staff Electro\-Optical Engineer to join our team in Louisville, CO\. In...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (11/09/25)
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  • RF Engineer , Staff (Level IV) - Top

    Lockheed Martin (Littleton, CO)
    …* Prior to starting employment, selected candidates will be required to possess Top Secret clearance\. For this position, applicants must possess a currently ... tools like DOORS or Jira\. * Design, develop, and test RF systems, including antennas, transceivers, and signal processing...Active Top Secret security clearance to be considered\.… more
    Lockheed Martin (11/26/25)
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  • RF Engineer , Senior Staff (Level V)…

    Lockheed Martin (Littleton, CO)
    …* Prior to starting employment, selected candidates will be required to possess Top Secret clearance\. For this position, applicants must possess a currently ... Lockheed Martin Space is seeking a Senior Staff RF Engineer \(level 5\) to join our team in Littleton,...Active Top Secret security clearance to be considered\.… more
    Lockheed Martin (11/19/25)
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