• Senior Software Engineer

    Koniag Government Services (Washington, DC)
    …a Koniag Government Services company, is seeking a Senior Software Engineer with a Top - Secret security clearance with SCI eligibility to support ... and self-motivated individual to perform the duties of a Senior Software Engineer to support...support of IT infrastructure. This position requires an Active Top Secret with SCI eligibility clearance, supporting… more
    Koniag Government Services (12/10/25)
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  • Sr . Software Engineer

    Leidos (Alexandria, VA)
    **Description** Leidos has an exciting opportunity for a Sr . Software Engineer ! *Must have an active TS /SCI Polygraph up front. No exceptions.* You will ... perform software development lifecycle (SDLC) activities as both an individual...as both an individual and a member of our top -notch agile development team building a large complex enterprise… more
    Leidos (12/10/25)
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  • Senior Embedded Software

    Carnegie Mellon University (Arlington, VA)
    …customer needs effectively. + You've worked in a collaborative team environment as a software developer, software engineer , or verification engineer . + ... and high-quality results. We are looking for a creative engineer to design and develop software prototypes...Who you are + Candidates must possess an active TS /SCI DoD security clearance issued by the US government.… more
    Carnegie Mellon University (11/06/25)
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  • Senior Embedded Software

    Carnegie Mellon University (Arlington, VA)
    …customer needs effectively. + You've worked in a collaborative team environment as a software developer, software engineer , or verification engineer . + ... and high-quality results. We are looking for a creative engineer to design and develop software prototypes...Who you are + Candidates must possess an active TS /SCI DoD security clearance issued by the US government.… more
    Carnegie Mellon University (11/06/25)
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  • Senior Software Engineer

    Koniag Government Services (Washington, DC)
    …a Koniag Government Services company, is seeking a Senior Software Engineer with a Top - Secret security clearance with SCI eligibility to support ... and self-motivated individual to perform the duties of a Senior Software Engineer to support...investigative and intelligence workforce. This position requires an Active Top Secret with SCI eligibility clearance, supporting… more
    Koniag Government Services (12/10/25)
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  • Sr . Software Engineer

    Leidos (Arlington, VA)
    **Description** Leidos is presently seeking a ** Sr .** ** Software Engineer ** in support of the Defense Information Systems Agency GSMO-II Program. The ... technical expertise in Continuous Integration/Continuous Delivery (CI/CD), DevOps and Software Configuration Management in support of the automated and...in lieu of a degree. + Must possess a Top Secret DoD security clearance with SCI… more
    Leidos (11/09/25)
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  • Senior Software Engineer

    ManTech (Alexandria, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Software Engineer ** to join our team in **Alexandria, VA** . As part of the position, ... you will act as a Software Engineer designing and implementing services and...**Clearance Requirements:** + Must possess a current and active TS /SCI **Physical Requirements:** + The person in this position… more
    ManTech (10/16/25)
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  • Senior Software Engineer

    Chenega Corporation (Arlington, VA)
    **Req ID:** 38632 **Summary** ** Senior Software Engineer ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... level! We are seeking a highly skilled and experienced ** Senior Software Engineer ** to contribute...Security+, CISM) within 30 days of hire. + Active TS /SCI clearance with the ability to obtain CI Polygraph… more
    Chenega Corporation (12/13/25)
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  • Senior Software Engineer

    Cayuse Holdings (Washington, DC)
    **Overview** The Senior Software Engineer is...to transfer knowledge and mentor team members. + Active Top Secret with SCI eligibility + Must ... USD $105,000.00 - USD $115,000.00 /Yr. Submit a Referral (https://careers-cayuseholdings.icims.com/jobs/3069/ senior - software - engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834356743) **Can't find the right… more
    Cayuse Holdings (12/06/25)
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  • Senior Software Engineer

    Amentum (Springfield, VA)
    …the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior Software Engineer ** to join our team of passionate individuals in ... the system as a whole. **Responsibilities:** As a GEODS Senior Software Engineer , you will...a clear and direct manner **Clearance Required:** * Active TS /SCI with the ability to gain and maintain a… more
    Amentum (12/05/25)
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  • Senior Software Engineer

    Cinteot (Fort Belvoir, VA)
    SENIOR SOFTWARE ENGINEER REQUIREMENTS: + Active TOP SECRET /SCI + Bachelor's Degree in Systems Engineering, Software Engineering, or Computer ... JAVA, XML, PHP Oracle, MS SQLServer, ColdFusion Server, CFML, CFScript IIS, Sencha Software tool, Python and Windows Server 2016R@ or higher. + Experience in writing… more
    Cinteot (11/05/25)
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  • Software Engineer API Developer

    SAIC (Washington, DC)
    **Description** SAIC is seeking ** Software Engineer API Developers** to join the Machine-assisted Analytic Rapid-repository System (MARS) Advanced Development ... award, with an anticipated decision expected by Winter/ Spring 2026.** The ** Software Engineer API Developer** responsibilities include, but are not limited… more
    SAIC (10/07/25)
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  • Lead EW Embedded Software Engineer

    RTX Corporation (Arlington, VA)
    …optimization, and machine learning. We are searching for a Lead EW Software Engineer who will function as a senior technical contributor and help develop and ... eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret RTX Corporation is an Aerospace...across current and future program needs to estimate high-level software development tasking + Mentor less senior more
    RTX Corporation (11/05/25)
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  • Senior Software Development…

    Oracle (Washington, DC)
    …thrives, providing the connective tissues and purpose-built solutions. We are seeking a ** Software Development Engineer (SDE)** to join ASC team within the ... Oracle Government Defense Intelligence (GDI) division. **Responsibilities** Our Senior engineers are technical leaders in our organization. They work independently… more
    Oracle (12/12/25)
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  • Software Release Train Engineer

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Software Release Train Engineer , Senior TS /SCI** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, ... Description:** CGI Federal has an exciting opportunity for a Software Release Train Engineer (RTE) within our...to 8 years of experience . Security Clearance: Active TS /SCI with willingness to obtain and maintain a CI… more
    CGI Technologies and Solutions, Inc. (10/07/25)
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  • Senior Software Engineer

    Cayuse Holdings (Washington, DC)
    …$114,000.00 /Yr. Submit a Referral (https://careers-cayuseholdings.icims.com/jobs/3047/ senior - software - engineer -%28full-stack ... **Overview** The Senior Software Developer will lead the...experience leading application leading application deployments and upgrades. + Top Secret Clearance required. + Must be… more
    Cayuse Holdings (11/20/25)
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  • Senior Network Engineer - Top

    General Dynamics Information Technology (Arlington, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... Yes **Job Description:** **Transform technology into opportunity as a Senior Network Engineer at GDIT. Shape what's...**5+ years of related experience.** **Security clearance level:** **Active Top Secret required with the ability to… more
    General Dynamics Information Technology (11/11/25)
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  • Senior Mechanical Engineer

    Johnson, Mirmiran, and Thompson Inc. (Quantico, VA)
    …the Top 500 Design Firms. Position summary: JMT is seeking a Top Secret Cleared Senior Mechanical Engineer in the Quantico, VA area for an exciting ... preparing mechanical load calculations. + Experience with computer-assisted design software such as Revit, and Sketch Up Nonessential Functions...as part of a team Required Experience + Active Top Secret US Government Security Clearance. +… more
    Johnson, Mirmiran, and Thompson Inc. (11/04/25)
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  • Systems Engineer SME - Exchange Messaging…

    General Dynamics Information Technology (Washington, DC)
    …** Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** Seize your opportunity to make a personal impact as ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...a ** Senior ** **Principal Systems Engineer for Exchange Messaging**… more
    General Dynamics Information Technology (11/06/25)
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  • Data Engineer

    System One (Crystal City, VA)
    …science, data science, or similar Job Description: ALTA IT is seeking a Senior Software /Data Engineer supporting Special Operations Command (SOCOM) on-site ... Title: Data Engineer Timeline to Start: ASAP Clearance: TS...directly support the client's mission. This position requires active Top Secret SCI Clearance, for which you… more
    System One (12/16/25)
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