• Software Engineer ( Secret )

    SMX (Washington, DC)
    Software Engineer ( Secret ) (4611)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC SMX is ... seeking ** Software Engineers (Junior/Mid/Senior/SME)** supporting the design and implementation of...and with customer or vendor teams + Define and engineer solution capabilities that satisfy customer business drivers /… more
    SMX (10/16/25)
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  • Senior Software Engineer

    General Dynamics Information Technology (Oakton, VA)
    …experience **US Citizenship Required:** Yes **Job Description:** GDIT is seeking a Senior Software Engineer to join our team. US Citizenship required. GDIT will ... area and work onsite. Deliver simple solutions to complex problems as a Senior Software Engineer at GDIT. Here, you'll tailor cutting-edge solutions to the… more
    General Dynamics Information Technology (09/13/25)
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  • Senior Software Engineer - CTJ - Top…

    Microsoft Corporation (Reston, VA)
    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 group, you ... in highly secured and regulated industries. The systems and software you build will be required to meet the...+ Builds, enhances, reuses, contributes to, and identifies new software developer tools to support other programs and applications… more
    Microsoft Corporation (10/18/25)
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  • Mid-Level Software Engineer

    Koniag Government Services (Washington, DC)
    **Kadiak, LLC,** a Koniag Government Services company, is seeking a Mid- Level Software Engineer with a Top- Secret security clearance with SCI eligibility to ... experienced and self-motivated individual to perform the duties of a Mid-Level Software Engineer to support the Administrative Applications Unit (AAU) at… more
    Koniag Government Services (10/17/25)
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  • Senior Software Engineer

    Koniag Government Services (Washington, DC)
    **Kadiak, LLC,** a Koniag Government Services company, is seeking a Senior Software Engineer with a Top- Secret security clearance with SCI eligibility to ... self-motivated individual to perform the duties of a Senior Software Engineer to support the Web Services...of IT infrastructure. This position requires an Active Top Secret with SCI eligibility clearance, supporting a DOJ FBI… more
    Koniag Government Services (10/17/25)
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  • Senior Software Engineer

    Koniag Government Services (Washington, DC)
    **Kadiak, LLC,** a Koniag Government Services company, is seeking a Senior Software Engineer with a Top- Secret security clearance with SCI eligibility to ... self-motivated individual to perform the duties of a Senior Software Engineer to support the Investigative and...and intelligence workforce. This position requires an Active Top Secret with SCI eligibility clearance, supporting a DOJ FBI… more
    Koniag Government Services (08/04/25)
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  • Software Engineer II - Training…

    RTX Corporation (Sterling, VA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Software Engineer II** **- Training System Software ... We are currently searching for a Software Engineer to join our team in Sterling VA within...experience + Active and transferable US government issued security secret clearance is required prior to start date +… more
    RTX Corporation (09/13/25)
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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 Science + 10 ... 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 (10/17/25)
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  • Senior Software Engineer

    RTX Corporation (Sterling, VA)
    …citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret **Senior Software Engineer ** **- Simulation & Training ... Aerospace is on the lookout for a talented Senior Software Engineer to join our Sterling, VA...experience + Active and transferable US government issued Top Secret Security Clearance or higher is required prior to… more
    RTX Corporation (09/05/25)
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  • Senior Software Engineer - Training…

    RTX Corporation (Sterling, VA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current **Senior Software Engineer ** **- Training System ... Software (Onsite)** We are currently searching for a Sr. Software Engineer to join our team in Sterling VA. Employing some of the most talented dedicated… more
    RTX Corporation (09/16/25)
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  • COMSEC / 5G cellular / VHF Systems Engineer

    General Dynamics Information Technology (Washington, DC)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **Systems Engineer - Active Top Secret Required** Seize your opportunity to make ... Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Professional Engineering...a personal impact as a Systems Engineer supporting a world class maintenance program servicing a… more
    General Dynamics Information Technology (08/02/25)
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  • Systems Engineer SME - Exchange Messaging…

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and… more
    General Dynamics Information Technology (10/06/25)
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  • Lead Platform Engineer ( Secret

    General Dynamics Information Technology (Fairfax, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** Software Engineering ... Yes **Job Description:** GDIT is seeking a **Lead Platform Engineer ** to support an exciting new position in our...to lead the build, configuration, and sustainment of a Software Factory capability for the US Army. The Lead… more
    General Dynamics Information Technology (10/11/25)
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  • Principal/Sr. Principal Systems Engineer

    Northrop Grumman (Dulles, VA)
    …Principal Systems Engineer for the role of Ground Segment Systems Engineer for a Ground/Mission Software program. This role requires on-site, in-person ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (10/17/25)
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  • Sr Principal Systems Engineer - Active…

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** **Sr Principal Systems Engineer - Active Directory - Active Top Secret Required** Seize ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and… more
    General Dynamics Information Technology (09/26/25)
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  • Azure DevSecOps Engineer ( Secret )

    SMX (Washington, DC)
    Azure DevSecOps Engineer ( Secret ) (4594)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC SMX ... is seeking an **Azure DevSecOps Engineer ** supporting the design and implementation of secure, scalable multi-cloud infrastructure, applications, and services in… more
    SMX (10/16/25)
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  • Principal Systems Engineer - Active Top…

    General Dynamics Information Technology (Washington, DC)
    …Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and ... related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer ** Seize your opportunity to make a personal impact as a… more
    General Dynamics Information Technology (08/09/25)
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  • Principal/Sr Principal Fault Management and System…

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... making history. Northrop Grumman is hiring a qualified Principal/Sr. Principal Systems Engineer to support a National Security Space (NSS) Program in the Tactical… more
    Northrop Grumman (09/19/25)
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  • Principal Engineer - RF Microwave…

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... history. We have openings for a **RF Microwave Design/FPGA Engineer ** to join our team of qualified, diverse individuals...Develop pseudo-code architectures and write FPGA code to implement Software Defined Radio (SDR) software , and firmware.… more
    Northrop Grumman (07/23/25)
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  • Cloud Systems Engineer ( Secret )

    SMX (Washington, DC)
    Cloud Systems Engineer ( Secret ) (4496)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC SMX is ... investigation and solution of complex and advanced cloud requirements, hardware/ software interfaces, and applications, and solutions. **Essential Duties &… more
    SMX (10/16/25)
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