• Secret Systems Integration & Test…

    Insight Global (Salt Lake City, UT)
    Job Description An employer in the Salt Lake City, UT market is seeking a Secret Systems Integration & Test Engineer to join their team. In this role, you ... device. You will be working with a group of systems engineers to test various devices, document the test...with LRU testing experience. This position requires an active Secret clearance and a commitment to delivering secure, high-performance… more
    Insight Global (12/19/25)
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  • Cloud Systems Engineer

    SMX (Boston, MA)
    Cloud Systems Engineer ( Secret ) (4496)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC ... SMX is seeking **Cloud Systems Engineers (Junior/Mid/Senior/SME)** supporting the design and implementation of...landscape through adoption of these services + Define and engineer solution capabilities that satisfy customer business drivers /… more
    SMX (10/16/25)
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  • Secret Systems Engineer I

    Insight Global (Suffolk, VA)
    Job Description Insight Global is seeking a Systems Engineer I to support a federal client in Suffolk, Va. The Systems Engineer will support the ... (JTT) white cell control capabilities, specifically focused on Non-Kinetic Effects (NKE) systems . This position involves designing and implementing systems for… more
    Insight Global (12/23/25)
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  • Secret Systems Engineer

    Insight Global (Washington, DC)
    Job Description Insight Global is seeking a highly motivated System Scientist/ Engineer to support advanced research in infrared imaging, threat detection, and active ... role focuses on developing simulation models, signal processing algorithms, and sensor systems to detect and counter missile and hypersonic threats to Naval… more
    Insight Global (11/21/25)
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  • IT Linux Systems Engineer - Top…

    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 ... this possible, with the ultimate goal of enabling human life on Mars. IT LINUX SYSTEMS ENGINEER - TOP SECRET CLEARANCE SpaceX is looking for an experienced … 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 stars is ... to make this possible, with the ultimate goal of enabling human life on Mars. IT SYSTEMS ENGINEER - TOP SECRET CLEARANCE SpaceX is looking for a Systems more
    SpaceX (11/06/25)
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  • Secret RF System Engineer

    Insight Global (Salt Lake City, UT)
    Job Description An employer in the Salt Lake City, UT market is seeking a Secret RF Systems Engineer to join their team. In this role, you will be ... Strong understanding of Antenna design and integration Active Secret Clearance Strong procedural writing skills Digital Communication Systems background more
    Insight Global (12/19/25)
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  • Lead, Information Security Systems

    L3Harris (Ashburn, VA)
    …domains in the interest of national security. Job Title: Anti-Tamper System Security Engineer ( Secret Security Clearance) Job Code: 30715 Job Location: Ashburn, ... 5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance...years of prior related experience. + Minimum of Collateral Secret security clearance required. + Minimum of Collateral … more
    L3Harris (11/01/25)
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  • Systems Engineer II - Mission…

    RTX Corporation (Cedar Rapids, IA)
    …US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Secret ** Systems Engineer II** **- Mission Training Team (Onsite)** ... Mission Training Systems Engineering Team within ACTT is looking for a Systems Engineer II to join our team as we provide technical excellence in a rapidly… more
    RTX Corporation (12/26/25)
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  • Senior Specialist, Info Security Systems

    L3Harris (Clifton, NJ)
    …and cyber domains in the interest of national security. Job Title: Information Security Systems Engineer Job Code: 29342 Job Location: Clifton, NJ Job Schedule: ... 9/80 Job Description: Applies current systems security engineering methods, practices and technologies to the...years of prior related experience. + Minimum of Collateral Secret security clearance required. + Must be able to… more
    L3Harris (12/27/25)
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  • Specialist, Info Security Systems

    L3Harris (Broomfield, CO)
    …domains in the interest of national security. Job Title: Specialist, Information Security Systems Engineer Job Code: 31060 Job Location: Boulder/North Denver, CO ... Job Schedule: 9/80 Job Description: Applies current systems security engineering methods, practices and technologies to the...years of prior related experience. + Must have active Secret security clearance, TS/SCI preferred. + DoD 8140.03 IAT… more
    L3Harris (11/12/25)
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  • Scientist, Information Security Systems

    L3Harris (Palm Bay, FL)
    …cyber domains in the interest of national security. Job Title: Sr Information Security Systems Engineer Job Code: 229346 Job Location: Palm Bay, FL Job Schedule: ... available to qualified applicants Job Description: This role applies current systems security engineering methods, practices and technologies to the architecture,… more
    L3Harris (12/27/25)
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  • Specialist, Information Security Systems

    L3Harris (Palm Bay, FL)
    …activities. + Use DoD 5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance with NIST 800-160. + Develop ... development, design, testing, configuration management, and maintenance of information systems and data. + Support the evaluation, qualification, testing, and… more
    L3Harris (11/01/25)
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  • Senior Systems Engineer

    Insight Global (Huntsville, AL)
    Job Description An employer is looking for a Senior Principal Systems Engineer to support a large DoD program. In this role the candidate will perform Systems ... Skills and Requirements STEM Degree and 5+ years of experience Secret Clearance Strong experience with the Systems Engineering "V"… more
    Insight Global (11/04/25)
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  • Lead, Cyber Infrastructure Systems

    L3Harris (Vandenberg Air Force Base, CA)
    …and cyber domains in the interest of national security. Job Title: ​Lead, Systems Administrator Job Code: 30658 Job Location: Vandenberg AFB, CA Job Schedule: 9/80 ... will possess expertise in managing, troubleshooting, installing, and optimizing facility systems software and networks for both office and specialized industrial … more
    L3Harris (11/01/25)
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  • Systems Engineer - Mid

    Amentum (Washington, DC)
    …direct impact on the Nation's security and intelligence mission. Amentum is searching for a Top- Secret cleared Systems Engineer (Mid) to join our team in ... If so, look no further. Amentum is seeking a ** Systems Engineer MID** to join our team...to perform at this level. **Requirements:** * Active Top Secret clearance with SCI eligibility * Minimum of 2… more
    Amentum (12/31/25)
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  • Systems Engineer - Mid

    Amentum (Washington, DC)
    …direct impact on the Nation's security and intelligence mission. Amentum is searching for a Top- Secret cleared Systems Engineer (Mid) to join our team in ... If so, look no further. Amentum is seeking a ** Systems Engineer MID** to join our team...to perform at this level. **Requirements:** * Active Top Secret clearance with SCI eligibility * Minimum of 2… more
    Amentum (11/26/25)
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  • Senior Specialist, Cyber Infrastructure…

    L3Harris (Broomfield, CO)
    …in the interest of national security. Job Title: Senior Specialist, Cyber Infrastructure Systems Engineer Job Code: 32451 Job Location: Denver, CO Job Schedule: ... Essential Functions: + Configure, monitor, maintain, and troubleshoot Red Hat Linux systems (both physical and virtual). + Deploy and maintain infrastructure through… more
    L3Harris (12/26/25)
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  • Principal Systems Engineer - JADC2…

    RTX Corporation (Cedar Rapids, IA)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret Principal Systems Engineer - JADC2 Systems ... Corporation is seeking a highly skilled and motivated JADC2 Systems and Integration Principal Engineer to join...of experience. + Active and transferable US government issued Secret security clearance is required prior to start date.… more
    RTX Corporation (11/27/25)
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  • COMSEC / 5G cellular / VHF Systems

    General Dynamics Information Technology (Washington, DC)
    …3 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Engineer - Active Top Secret Required** Seize your opportunity ... Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Professional Engineering...to 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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