• 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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  • Senior Software Developer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Software Developer ** to join our team in the **DC, Maryland, and Virginia (DMV) area** . ... In this role you will develop, create, and modify general computer applications software or specialized utility programs. You will analyze user needs and develop … more
    ManTech (11/21/25)
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  • 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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  • Senior Full Stack Software

    CACI International (Sterling, VA)
    Senior Full Stack Software Developer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular ... End: 10/17/2026 **The Opportunity:** As an experienced full stack software developer on a long-standing program supporting...Sterling VA, Sarasota FL or Aurora, CO + Clearance: TS /SCI with CI poly (or be willing to take… more
    CACI International (10/17/25)
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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)
    Amentum is searching for a Top Secret cleared Software Developer ( Senior ) to join our team in Washington, DC. As a Top Secret Software ... of experience may be substituted for educational requirements **Clearance Required:** Top Secret with SCI eligibility **Minimum Education:** Bachelor's Degree… more
    Amentum (09/25/25)
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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

    Rite-Solutions Inc. (Dahlgren, VA)
    VA-206, Dahlgren, VA, USA | Virginia | Full Time Rite-Solutions, Inc. is seeking a Senior Developer to support in a full-time hybrid capacity at the Naval ... software and hardware capabilities to meet current Cyber Defensive needs. As a Senior Developer on this program, you will be tasked with implementing new… more
    Rite-Solutions Inc. (12/03/25)
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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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  • Sr. Software Developer (.NET)

    Amentum (Fort Meade, MD)
    …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 ... the Nation's security and intelligence mission. We are seeking Software Developers and Data Analysts with at least two...Markup Language (HTML), and Extensible Markup Language (XML). The Senior .NET Core Developer will be a… more
    Amentum (11/16/25)
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  • Senior CNO Software Developer

    ManTech (Hanover, MD)
    **MANTECH** seeks a skilled and innovative ** Senior CNO Developer ** to join our team in **Hanover, MD.** In this role, you will contribute to the development of ... are not limited to:** + Designing and developing new hardware- or software -based Computer Network Operations (CNO) capabilities + Managing the design, development,… more
    ManTech (11/26/25)
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  • Senior CNO Developer

    Nightwing (Fort Meade, MD)
    …to customers in the intelligence community, defense, civil, and commercial markets. ** Senior CNO Software Developer ** **Position Description** At Nightwing ... CODEX, a software developer designs and implements custom software tools...design, develop, test, and maintain CNO capabilities. **Security Clearance** Top Secret /SCI + CI Poly **Required Experience:**… more
    Nightwing (12/12/25)
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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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