• CNO Developer /Engineer

    Shuvel Digital (MD)
    …of requirements, system architecture, and detailed design documents. A CNO Developer / Engineer must be able to collaborate well with a strong lean-forward ... Clearance Level: TS /SCI US Citizenship: Required Job Classification: Regular Full-time...Position Description: GITI is looking for a senior-level CNO Developer / Engineer Capable of developing cyber capabilities and exploitation… more
    Shuvel Digital (09/04/25)
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  • Sr. Java Developer

    Leidos (Bethesda, MD)
    …+ Participate in software programming initiatives and code reviews. + Develops software system validation and testing methods using Junit and Katalon and ... a new and exciting opportunity for a **Sr.** **Java Developer ** in our **National Security Sector's (NSS) Cyber &...implementation to customer use cases + Document and perform systems software development, including deployment of build… more
    Leidos (09/13/25)
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  • Java Developer

    Leidos (Bethesda, MD)
    …enhancement, using Java, JavaScript, Python, SpringBoot, Hibernate + Developing and directing software system validation and testing methods using Junit and ... has a new and exciting opportunity for a **Java Developer ** in our **National Security Sector's (NSS) Cyber &...implementation to customer use cases + Document and Perform systems software development, including deployment of build… more
    Leidos (08/08/25)
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  • ETL Java Developer

    Leidos (Bethesda, MD)
    …HTML, CSS, JavaScript, Java, Python, SpringBoot, and Hibernate. + Develop and direct software system validation and testing methods using Junit and Katalon. + ... us and make a difference in National** **Security!** **Job Summary** This ETL Java Developer SME role is supporting support mission-critical systems in an Agile… more
    Leidos (08/02/25)
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  • MarkLogic Developer (SME)

    Leidos (Bethesda, MD)
    …CSS, JavaScript, Java, Angular, Python, SpringBoot, and Hibernate. + Develop and direct software system validation and testing methods using Junit and Katalon. + ... has a new and exciting opportunity for a **MarkLogic Developer SME** in our **National Security Sector's (NSS) Cyber...You will have the opportunity to build and maintain systems , software , and cloud environments, while providing… more
    Leidos (08/02/25)
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  • Full-Stack Developer with Poly Mid to Sr…

    Lockheed Martin (Annapolis Junction, MD)
    …of professional experience\. * TS / SCI with Poly Candidate will provide software development support on a model repository\. Developer will be required to ... emerging threats and opportunities\. **WHO YOU ARE** Focused Experience as a Software Engineer with knowledge assisting in the design, development, testing, and… more
    Lockheed Martin (08/02/25)
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  • Systems Engineer III

    Amentum (Annapolis Junction, MD)
    …a polygraph ( TS /SCI w/ polygraph) + Bachelor's degree in System Engineering, Computer Science, Information Systems , Engineering Science, Engineering ... engineering, interfacing, integration, and testing of specific components of complex hardware/ software systems to include requirements elicitation, analysis and… more
    Amentum (09/25/25)
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  • Python Developer

    ManTech (Fort Meade, MD)
    …role, you will develop, maintain, and enhance complex and diverse software systems (eg, processing-intensive analytics, novel algorithm development, manipulation ... system resource, or interface constraints. Will design, develop and modify software systems , using scientific analysis and mathematical models to predict and… more
    ManTech (09/20/25)
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  • Python Developer

    ManTech (Fort Meade, MD)
    …role, you will develop, maintain, and enhance complex and diverse software systems (eg, processing-intensive analytics, novel algorithm development, manipulation ... system resource, or interface constraints. Will design, develop, and modify software systems using scientific analysis and mathematical models to predict and… more
    ManTech (07/17/25)
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  • Junior Web Developer

    GliaCell Technologies (MD)
    …isn't the place for you. We Make It Happen! GliaCell Technologies focuses on Software & System Engineering in Enterprise and Cyber Security solution spaces. We ... An active or rein-statable TS /SCI with Polygraph security clearance is REQUIRED. Please...provide technical expertise that assists in sustaining critical mission-related software and systems to a large government… more
    GliaCell Technologies (09/26/25)
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