• Software Engineer Sr , Level…

    Lockheed Martin (Colorado Springs, CO)
    …satisfy multiple, evolving priorities Our team leverages industry standard open\-source software solutions such as GitLab, Kubernetes, Docker, and Rancher\. Our ... automation\-first and "everything as code" mindset allows our software engineers to focus their time and efforts on...cutting edge functionality for our end users\. As an engineer on an Agile Scrum Team, you will have… more
    Lockheed Martin (12/10/25)
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  • Sr , Software Engineer Staff/…

    Lockheed Martin (Littleton, CO)
    …* Previous C/C\+\+ development experience * Ability to obtain/maintain Top Secret Clearance **Desired Skills:** * Experience in Software Architect role * ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (12/11/25)
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  • Sr Software Engineer

    Sierra Nevada Company, LLC (Southern Pines, NC)
    …working in multi-disciplinary teams + **The ability to obtain and maintain a Top Secret US Security Clearance is required** ​ **Qualifications We Prefer:** ... SNC's TRAX software plays an integral part in bridging battlefield...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (12/26/25)
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  • Sr Software Engineer

    Sierra Nevada Company, LLC (Dayton, OH)
    …+ Experience working in multi-disciplinary teams + **Ability to obtain/maintain a Top Secret US Security Clearance** **Qualifications We Prefer:** + ... enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. You...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (11/18/25)
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  • Software Engineer Sr

    Lockheed Martin (Herndon, VA)
    …drive continuous improvement and stakeholder alignment\. US Citizenship required for this role\. Top Secret Clearance required to start the position with the ... a science or technology related discipline, multiple years of experience in software engineering, and previous experience working within a team environment utilizing… more
    Lockheed Martin (12/11/25)
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  • Software Engineer Sr

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... Ground Product Line \(GPL\) is a leading provider of common ground software solutions, specializing in the development of mission\-critical systems for U\.S\.… more
    Lockheed Martin (12/05/25)
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  • Sr . Software Engineer Stf…

    Lockheed Martin (Hanover, MD)
    …bay\. THE WORK In this role you will: * Analyze user requirements to derive software design and performance requirements * Design and code new software or modify ... software to add new features * Integrate existing software into new or modified systems or operating environments...Skills:** * C\+\+ * Python * Kubernetes **Clearance Level:** TS /SCI w/Poly SP **Other Important Information You Should Know**… more
    Lockheed Martin (12/11/25)
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  • Sr Software Engineer

    Nightwing (Sterling, VA)
    …technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and ... applications and services. The ServiceNow Application Developer has a software development background in addition to ServiceNow System Administration, ServiceNow… more
    Nightwing (11/25/25)
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  • Senior Software Engineer

    RTX Corporation (Aurora, CO)
    …clearance is required prior to start date. An active and transferable US government issued Top Secret security clearance that can be crossed over to a TS ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI - Current At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (12/24/25)
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  • Senior Software Engineer

    Amentum (Washington, DC)
    We are searching for a Top Secret cleared Software Developer ( Senior ) to join our team in Washington, DC. You will be working in an organization that's ... meet or exceed the needs of the mission. The Software Developer ( Senior ) is a part of...needed to perform at this level. **Requirements:** * Active Top Secret clearance with SCI eligibility *… more
    Amentum (12/24/25)
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