• Senior Software Developer

    TekSynap (Springfield, VA)
    **Responsibilities & Qualifications** **RESPONSIBILITIES** The Senior -Level Software Developer is a highly skilled professional responsible for designing, ... drive successful software development projects. The Contractor shall provide Senior -Level Software Developer services, working alongside the Government… more
    TekSynap (11/19/25)
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  • Senior Software Developer

    CACI International (Bethesda, MD)
    Senior Software Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... CACI is seeking a highly motivated and independent Expert Software Developer for our Intelligence Community (IC)...(with both new and legacy systems) Qualifications: Required: * TS /SCI w/Poly clearance * Bachelor's degree and 8+ years… more
    CACI International (11/15/25)
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  • Senior Software Developer

    Amentum (Springfield, VA)
    …the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior Software Developer ** to join our team of passionate individuals in ... of ensuring secure and compliant data access. As a Developer on our team, you will design, implement, and...new and existing systems. **Responsibilities:** * Manage the full software release lifecycle, from preparation and build to deployment… more
    Amentum (11/23/25)
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  • Software Developer Senior

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Software Engineering **Skills:** ... Description:** Deliver simple solutions to complex problems as a Software Developer , Senior at GDIT....(GXPN), Reverse Engineering Malware (GREM) + Security Clearance Level: TS /SCI + US Citizenship Required + Location: Hybrid-Ft. Belvoir,… more
    General Dynamics Information Technology (11/21/25)
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  • Software Developer Senior

    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 ... meet or exceed the needs of the mission. The Software Developer ( Senior ) is a...needed to perform at this level. **Requirements:** * Active Top Secret clearance with SCI eligibility *… more
    Amentum (12/06/25)
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  • Software Developer - Senior

    Amentum (Washington, DC)
    …projects that make a direct impact on the Nation's security and intelligence mission. As a Top Secret Software Developer for this program, you will be ... If so, look no further. Amentum is seeking a ** Software Developer Senior ** to join...may be substituted for educational requirements **Clearance Required:** * Top Secret with SCI eligibility **Minimum Years… more
    Amentum (11/26/25)
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  • Software Developer , Senior

    Cayuse Holdings (Washington, DC)
    **Overview** The Software Developer , Senior will lead the design and development of the new application. This role will design and implement backed APIs ... USD $105,000.00 - USD $115,000.00 /Yr. Submit a Referral (https://careers-cayuseholdings.icims.com/jobs/3065/ software - developer %2c- senior /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834356743) **Can't find the right… more
    Cayuse Holdings (12/05/25)
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  • Senior Software Developer

    Leidos (Reston, VA)
    …**Required clearance:** Candidates for consideration **must possess an active and in-scope** Top Secret clearance with the ability and willingness to obtain ... The Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new ...Software Engineer to lead the creation of new software capabilities within a matrixed research and development organization.… more
    Leidos (09/21/25)
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  • Senior Software Developer

    Parsons Corporation (Fort Belvoir, VA)
    …+ Expertise in AV/EDR evasion techniques. **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​ ... possible. **Job Description:** Parsons is looking for a talented ** Software Engineer** to join our growing Red Cyber team!...+ Bachelors degree in a relevant field + **Active TS /SCI Clearance** + Proficient in C and C# and… more
    Parsons Corporation (11/03/25)
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  • Sr. Software Developer

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking a Senior Software Developer to support our work as a prime contractor on a high-profile US Navy weapon system. ... resolve software defects and issues. As a senior software developer , it is...experience + Ability to obtain and maintain a DoD Top Secret Clearance + Ability to meet… more
    BAE Systems (10/29/25)
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  • Red Team Software Developer

    Parsons Corporation (Fort Belvoir, VA)
    …expertise in red team / offensive cyber operations capability development for Windows. + ** Senior Red Team Software Developer ** + 10+ years combined ... Parsons is looking for an amazingly talented **Mid-Level and Senior ** **Red Team Software Developers** to join...a part of? We're looking for a Red Team Software Developer to join our relatively new… more
    Parsons Corporation (12/11/25)
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  • Sr. ServiceNow Developer

    Leidos (Lorton, VA)
    …Our Mission, Vision, and Values guide the way we do business. Seeking an experienced Senior ServiceNow Software Developer , to join an internal service center ... and architectural best practices. + Serve as the Sr. Developer for complex features and integrations. This involves writing,...that meets our customers' needs. **Clearance Required:** + Active Top Secret /SCI ( TS /SCI) clearance or… more
    Leidos (10/09/25)
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  • Senior Software Engineer (Full Stack…

    Cayuse Holdings (Washington, DC)
    **Overview** The Senior Software Developer will lead the design and development of a new application. This role will design and implement backed APIs using ... users). + Demonstrated experience leading application leading application deployments and upgrades. + Top Secret Clearance required. + Must be able to pass a… more
    Cayuse Holdings (11/20/25)
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  • Senior Software Engineer - CTJ…

    Microsoft Corporation (Reston, VA)
    **Overview** Microsoft has an exciting opportunity for a Senior Software Engineer in the Cloud+AI Azure Data Explorer team. As part of a core product engineering ... + Builds, enhances, reuses, contributes to, and identifies new software developer tools to support other programs...specialized security screenings: + Candidates must have an active TS and be willing to upgrade to TS more
    Microsoft Corporation (12/02/25)
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  • PowerApp Developer

    General Dynamics Information Technology (Washington, DC)
    …to streamline operations, enhance data integrity, and support national security objectives. HOW A SOFTWARE DEVELOPER SENIOR WILL MAKE AN IMPACT + Design, ... Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** Software Engineering **Skills:**… more
    General Dynamics Information Technology (12/10/25)
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  • Full Stack Developer , Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Full Stack Developer , Senior ** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, Arlington **Position ID:** ... collaborative team to deliver state-of-the-art capabilities. The Full Stack Developer is a versatile software professional skilled...degree and/or 5 to 8 years of experience. -Active TS /SCI and the ability to obtain and maintain a… more
    CGI Technologies and Solutions, Inc. (12/06/25)
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  • Senior - Expert Level Java Developer

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Senior - Expert Level Java Developer TS /SCI with Poly** **Category:** Business Consulting, Strategy and Digital Transformation **Main location:** United ... Description:** CGI Federal has an exciting opportunity for a Senior Java Developer within our Intel sector...Experience with Agile process and can create efficient, well-designed software products. . TS /SCI with CI poly… more
    CGI Technologies and Solutions, Inc. (12/10/25)
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  • Integration Engineer/ Developer

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Integration Engineer/ Developer , Senior ** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, Arlington **Position ... They are responsible for building and maintaining the connections between various software and hardware components, ensuring data flows smoothly and systems operate… more
    CGI Technologies and Solutions, Inc. (12/09/25)
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  • Sr. Level Full Stack Developer ( TS

    IT Concepts (Washington, DC)
    …to research, test, build, and coordinate integration per government requirements. + The Senior Developer will be working with and coaching more junior developers ... and achieve extraordinary milestones. Kentro is hiring a qualified Full Stack Developer in support of our Defense Intelligence client in Washington, DC The… more
    IT Concepts (12/08/25)
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  • Senior Software Engineer - CTJ…

    Microsoft Corporation (Reston, VA)
    …through data integration. + Builds, enhances, reuses, contributes to, and identifies new software developer tools to support other programs and applications to ... **Overview** Microsoft has an exciting opportunity for a Software Engineer on the Cloud+AI Silver Team. This...The successful candidate **must have an active US Government Top Secret Clearance with access to Sensitive… more
    Microsoft Corporation (12/12/25)
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