• Senior Software Developer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior Software Developer ** to join our team in **DC, Maryland, and Virginia (DMV) area** . In this ... role you will research, design, develop, and test operating systems-level software , compilers, and network distribution software . You will set operational… more
    ManTech (11/18/25)
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  • Software Developer - US Citizens…

    The Metamorphosis Group (Chantilly, VA)
    Software Developer - US Citizens only - TS/SCI/FSP REQUIRED Chantilly, VA . Government/Military Apply Now Software Developer /System Software US ... contract, to include Systems Engineers, Testers, Service Desk, Information Systems Security Engineers, UI/UX Engineers, Software Engineers, and Database… more
    The Metamorphosis Group (09/10/25)
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  • C++ Junior Software Developer

    Amentum (Dahlgren, VA)
    Amentum is looking for C++ Junior Software Developer to join a small team in support of "FACTS" (Naval Tactical System Model) C++ development upgrades and ... to make a difference by solving complex Digital Engineering challenges. **C++ Junior Software Developer Responsibilities include:** + Supporting C++ software more
    Amentum (10/03/25)
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  • Appian Software Integrator/ Low Code…

    Xcelerate Solutions (Bethesda, MD)
    …the most talented and brightest minds in the GovCon industry. Location: Bethesda, MD Security Clearance : TS/SCI Responsibilities: + Work with a team of system ... Appian Software Integrator/ Low Code Developer -...relevant experience + Must possess an Active Top Secret/SCI clearance and ability to obtain and maintain Poly +… more
    Xcelerate Solutions (09/22/25)
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  • Sr. Software Engineer (Sr. JavaScript…

    Belay Technologies (Fort Meade, MD)
    …2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Software Engineer to join our intel team. We are seeking a Senior Software ... involves full life cycle design, development, testing, and documentation of policy-driven software across multiple fabrics. The focus will include the extension and… more
    Belay Technologies (11/13/25)
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  • Modeling and Simulation Software

    Integration Innovation, Inc. (i3) (Dayton, OH)
    Overview As a Modeling and Simulation Software Developer with i3 you will perform a variety of software development tasks in the AFSIM modeling environments, ... and post-processors of model data. This role requires an active Top Secret security clearance with Sensitive Compartmented Information (SCI) eligibility due to… more
    Integration Innovation, Inc. (i3) (11/11/25)
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  • Embedded Software Developer

    General Atomics (Herndon, VA)
    …defense, industrial, and commercial customers worldwide. We have an exciting opportunity for a Software Developer to join our CSS group located in Herndon, VA. ... + US Citizenship is required as is the ability to maintain a Top Secret Security Clearance . **Salary:** $128,130 - $229,358 **Travel Percentage Required** 0 - 25… more
    General Atomics (11/01/25)
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  • Software Developer , Mid

    CGI Technologies and Solutions, Inc. (Washington, DC)
    ** Software Developer , Mid** **Category:** Software Development/ Engineering **Main location:** United States, District of Columbia, Fairfax **Position ID:** ... components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government … more
    CGI Technologies and Solutions, Inc. (10/29/25)
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  • Entry-Level Software or Embedded Engineer/…

    Parsons Corporation (Centreville, VA)
    …for clients/customers. **Required Skills:** + Must have a **Top Secret** or higher security clearance + BS degree in Computer Science/Information Sciences or ... through independent study, professional training, and interaction with other team members ** Security Clearance Requirement:** An active Top Secret security more
    Parsons Corporation (11/07/25)
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  • Senior Software Developer

    World Wide Technology (Chantilly, VA)
    …high-performance teams? Come join WWT today! We are looking for a **Senior Software Developer ** to support our Managed Service Provider (MSP) contract within ... of Performance:** Chantilly, VA **What will you be doing?** Software developer for a classified Intelligence Community...Perform platform upgrades. **QUALIFICATIONS:** + Active TOP SECRET SCI security clearance with CI Poly. + … more
    World Wide Technology (11/15/25)
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