• Software Engineer TS/SCI Poly

    Leidos (Alexandria, VA)
    …more. **Join us and make a difference in National Security!** **Job Summary** The Software Engineer will perform software development activities as a member ... well as client web application and user interface (UI) development ). + Java , Python, embedded C/C++, ...management and control throughout the coding portion of the software development process. Additionally, the individual will… more
    Leidos (08/26/25)
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  • Full-Stack Software Developer, TS/SCI…

    General Dynamics Information Technology (Herndon, VA)
    …Required:** None **Job Family:** Software Engineering **Skills:** Full Stack Development , Java , Software Development **Experience:** 10 + years ... **Req ID:** RQ209940 **Type of Requisition:** Regular ** Clearance Level Must Be Able to Obtain:** Top...knowledge and provides guidance to all phases of the software development lifecycle + Applies knowledge in… more
    General Dynamics Information Technology (11/08/25)
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  • Software Developer Expert - TS/SCI…

    General Dynamics Information Technology (Herndon, VA)
    …**Job Family:** Software Engineering **Skills:** Application Development , Java , Software Applications, Software Development ,Technical Leadership ... * Provide customer technical guidance and cross-organization solutions. * Serve as software development lead to high-performing team. * Provide point of… more
    General Dynamics Information Technology (10/31/25)
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  • Software Engineer

    Lockheed Martin (Manassas, VA)
    …a full\-time Software Engineer\. In this role, you will perform software development tasks supporting Navy programs\. The successful candidate will have ... troubleshooting experience with the Linux/Unix Operating System\. \- Experience in software development , integration, troubleshooting using C or C\+\+ or… more
    Lockheed Martin (11/13/25)
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  • Software Engineer

    CACI International (King George, VA)
    …for impacts relative to complexity and throughput. + Developing and assessing software development plans, software requirements documents, software ... programming languages to include C++, C, Python, Batch and. Java + Understanding networking principles or familiar. + Coding...Secret Level Security Clearance . Active Secret Security Clearance is a plus. + Junior Software … more
    CACI International (11/13/25)
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  • Software Engineer Sr

    Lockheed Martin (Herndon, VA)
    …languages: C/C\+\+, Java on a Linux platform * Agile software development experience \(SAFe, Kanban, Scrum\) * Demonstrate initiative, creativity, ... users to develop software applications\. * Plan, conduct, and coordinates software development activities\. * Design, develop, document, test, and debug … more
    Lockheed Martin (10/18/25)
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  • Software Engineer - Level 3 or 4

    Northrop Grumman (Fairfax, VA)
    …software development experience + PhD with 4 years of software development experience + Experience developing in Java + Experience with software ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the...(Principal level) + Bachelor's degree with 5 years of software development experience + _An additional 4… more
    Northrop Grumman (09/25/25)
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  • Software Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a ** Software Developer** to support the design, build, and deploy a bi-directional AWS API Gateway capable of sending and pulling ... located in **Chantilly, VA** and requires an **active TS/SCI clearance with Polygraph** . This project is part of...with existing data providers using JSON, XML or other software . + Design, develop, and implement scalable, elastic micro… more
    SAIC (11/14/25)
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  • Sr. Principal Cyber Software Engineer

    Northrop Grumman (Chantilly, VA)
    …Top Secret / SCI security clearance with poly. + Experience leading software development teams. + Deep knowledge of cryptography best practices. + Deep ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the...platforms. + Knowledge of cybersecurity fundamentals. + Knowledge of software development life cycle. + Experience writing… more
    Northrop Grumman (10/21/25)
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  • Software Developer (Systems Software…

    General Dynamics Information Technology (Chantilly, VA)
    …and advance your career. We are seeking a Developer capable of working with a software development team to provide enterprise system support. We are seeking an ... SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Software Engineering **Skills:** Back-End Development ,Build Tools,Single Page Application… more
    General Dynamics Information Technology (09/11/25)
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