• 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 (09/12/25)
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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 (11/02/25)
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  • Software Engineer II - DevOps…

    RTX Corporation (Sterling, VA)
    …US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Secret ** Software Engineer II** **- DevOps / Infrastructure ... + Guide teams in designing, building, testing, and deploying changes to existing software . + Use troubleshooting skills to resolve issues with build chain or CI/CD… more
    RTX Corporation (11/19/25)
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  • Software Engineer II - Training…

    RTX Corporation (Sterling, VA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current ** Software Engineer II** **- Training System ... Software (Onsite)** We are currently searching for a Software Engineer to join our team in...experience + Active and transferable US government issued security secret clearance is required prior to start date +… more
    RTX Corporation (09/16/25)
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  • Principal Software Engineer

    RTX Corporation (Sterling, VA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret **Principal Software Engineer ** **- Training System ... Software (Onsite)** **Role Description: ** We are searching for a Principal Software Engineer to join our team in Sterling VA within the Simulation & Training… more
    RTX Corporation (11/19/25)
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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 (11/20/25)
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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 (11/06/25)
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  • Senior Network Engineer - Top Secret

    General Dynamics Information Technology (Arlington, VA)
    …Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and ... (HPE), CompTIA Security+ CE | CompTIA - CompTIA, Brocade Certified Network Engineer (BCNE) | Broadcom - Broadcom, Juniper Networks Certified Internet Professional -… more
    General Dynamics Information Technology (11/11/25)
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  • Lead, Information Security Systems Engineer

    L3Harris (Ashburn, VA)
    …domains in the interest of national security. Job Title: Anti-Tamper System Security Engineer ( Secret Security Clearance) Job Code: 30715 Job Location: Ashburn, ... 5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance with NIST...+ Mentor and develop junior engineers. + Provide DoD software selection and approval processes for COTS, GOTS, and… more
    L3Harris (11/01/25)
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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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  • 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 (11/08/25)
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  • G2 Infrastructure Engineer | Active Top…

    General Dynamics Information Technology (Fairfax, VA)
    …Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations ... Yes **Job Description:** Transform technology into opportunity as an **Infrastructure Engineer ** with GDIT. A career in enterprise IT means connecting and… more
    General Dynamics Information Technology (10/25/25)
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  • LINUX Engineer - Active Top Secret

    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 ... you advance your career. Join GDIT as a Linux Engineer and you will build an impactful career in...with corporate standards. . Troubleshoot complex system hardware and software issues in a timely manner. . Proficiency with… more
    General Dynamics Information Technology (11/05/25)
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  • Systems Engineer - Level 2/3 (Top…

    Northrop Grumman (Dulles, VA)
    …not only part of history, they're making history. Northrop Grumman is seeking a Systems Engineer located in Dulles VA. The Systems engineer would have a general ... systems engineering background and experience. **Duties/Responsibilities:** The candidate engineer may be responsible for some or all the following: + Collaborate… more
    Northrop Grumman (11/20/25)
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  • Sr Specialist, Circuit Design Electrical…

    L3Harris (Ashburn, VA)
    …the interest of national security. Job Title: Sr Specialist, Circuit Design Electrical Engineer - Unmanned Systems ( Secret Security Clearance) Job Code: 28913 ... assistance is available to qualified applicants Job Description: As a Electrical Engineer Specialist in the Agile Development Group (ADG), you will be part… more
    L3Harris (09/17/25)
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