• Sr Principal Systems Software

    Sierra Nevada Company, LLC (Plano, TX)
    …are robust, scalable, and aligned with mission and business objectives. The Senior Principal Software Engineer provides strategic technical direction, ... critical airborne command-and-control fleet. We need you! As the Senior Principal Software Systems Engineer ,...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (11/14/25)
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  • Senior Software Engineer

    KBR (Houston, TX)
    Title: Senior Software Engineer (Remote) KBR's...+ Active Secret with ability to obtain Top Secret is required to be considered for ... country's most critical role - protecting our national security. KBR is seeking a Senior Software Engineer to join our team remotely within the US. Why Join… more
    KBR (10/18/25)
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  • Embedded Software Engineer

    Actalent (Richardson, TX)
    Embedded Software Engineer Description The Software Systems Engineer will design, develop, and deliver complex state-of-the-art systems across a variety ... comprehend and analyze complex problems and develop solutions This Engineer will belong to a software engineering...of: MySQL, Linux KVM, Windows, PowerShell, SCCM + Current Secret or Top - Secret Security Clearance… more
    Actalent (11/03/25)
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  • Senior Software Engineer

    RTX Corporation (Richardson, TX)
    …a rapidly evolving global market. Collins Aerospace is seeking a highly motivated and talented Senior Software Engineer with a strong interest in the design, ... only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI - Current Raytheon Company Managed by Collins Aerospace Collins Aerospace, an… more
    RTX Corporation (11/06/25)
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  • Sr Software Systems Engineer

    Sierra Nevada Company, LLC (Plano, TX)
    …of the future, consider SNC for your next mission. **Responsibilities:** We are seeking a Senior Software Systems Engineer with a bachelor's degree in ... field to join the Air Vehicle team as a Software Systems Engineer in support of the...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (11/01/25)
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  • Principal/ Sr Principal Engineer

    Northrop Grumman (San Antonio, TX)
    software development process + An active DoD Secret clearance. ** Sr . Principal Crypto Software Engineer Basic Qualifications:** + Bachelor's degree ... you to join our team as a Principal or Sr . Principal Crypto Software Engineer ...+ Familiarity with Green Hills AdaMulti + Current active Secret or Top Secret Clearance… more
    Northrop Grumman (10/28/25)
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  • Full Time - Software Infrastructure…

    RTX Corporation (Richardson, TX)
    …as only US citizens are eligible for a security clearance **Security Clearance:** TS /SCI with Polygraph At Raytheon, the foundation of everything we do is rooted ... create a safer, more secure world. Raytheon is seeking a highly motivated Software Infrastructure Engineering candidate to be an active participant on the … more
    RTX Corporation (11/12/25)
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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 ... lives of those who protect us. As our next Senior Systems Engineer , you will take on...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

    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 ... lives of those who protect us. As our next Senior Systems Engineer , you will take on...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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  • Principle 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 ... those who protect us. As our next Principal Systems Engineer , you will take on a senior ...minimum 5 years of experience. + Active and transferable Top Secret US government issued security clearance… more
    RTX Corporation (09/13/25)
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