• Field Engineer , SME

    Acclaim Technical Services (Reston, VA)
    …among DC area firms and continues to grow. We are actively hiring a Field Engineer with TS /SCI clearance and polygraph supporting a new contract recently awarded ... in Reston, VA. The Field Engineer / Technician will provide technical expertise for various...will provide technical expertise for various point of entry systems . Must have 15 years' specific experience in the… more
    Acclaim Technical Services (11/18/25)
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  • DevOps Engineer SME

    Leidos (Chantilly, VA)
    **Description** Leidos is looking for a DevOps Engineer on a 200+ FTE technical development program responsible for delivering modern Identity Access Credential ... Management (ICAM) solutions. As a DevOps Engineer on this program, you will have the opportunity...program, you will have the opportunity to build strong systems and software utilizing cloud capabilities to support a… more
    Leidos (12/10/25)
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  • SP28 Senior Information System Security…

    Amentum (Crane, IN)
    …with the stakeholders, including SSP representatives and contractors/subcontractors through assessments, subject matter expert input to proposals, technical ... Amentum is looking for a Sr. Information System Security Engineer (ISSE) to support Program Offices within Department of...Secret /Critical Nuclear Weapons Design Information Clearance OR a TS /SCI Clearance. Interim Top - Secret Clearance… more
    Amentum (11/14/25)
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  • Site Reliability Engineer SME GITI

    Shuvel Digital (San Antonio, TX)
    Clearance Level: TS /SCI eligible US Citizenship: Required Job Classification: Full Time Location: Hybrid (JBSA - San Antonio, TX) Years of Experience: 5-7 years ... enterprise that consists of hundreds of applications. + Experience with cloud systems and architectures (Amazon AWS, Google Cloud or Microsoft Azure). + Familiarity… more
    Shuvel Digital (10/06/25)
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  • Principal Infrastructure Lead Engineer

    RTX Corporation (Dulles, VA)
    systems (compute, network, storage). The lead is also responsible for functioning as a Subject Matter Expert ( SME ) for the Field Support team ... citizens are eligible for a security clearance **Security Clearance:** Top Secret - Current **Raytheon Company, Managed...have an immediate need for an **Principal** **Infrastructure Lead Engineer - Classified System** to lead and guide a… more
    RTX Corporation (11/04/25)
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  • Software Engineer

    Huntington Ingalls Industries (Nellis AFB, NV)
    …We Are HII Mission Technologies Division is seeking a F-35 Fighter In A Box (FIAB) Software Subject Matter Expert ( SME ) to work on a team executing ... systems . + Must have had an active Top Secret security clearance within the last...24 months. + Ability to obtain and maintain a TS /SCI clearance and relevant SAP/SAR clearances. Bonus Points For… more
    Huntington Ingalls Industries (11/05/25)
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  • Data Migration SME

    CACI International (Reston, VA)
    Data Migration SME Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular ... * * **The Opportunity:** We are seeking a highly talented, experienced Data Migration Engineer to facilitate the migration of external data into a new key Government… more
    CACI International (11/01/25)
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  • Sr. Specialist, Software Engineer

    L3Harris (Colorado Springs, CO)
    …Location: Colorado Springs, CO We are seeking a highly skilled and experienced Software Virtualization Subject Matter Expert ( SME ) to join our team. The ... interest of national security. Job Title: Sr. Specialist, Software Engineer / Virtualization Engineer Job Code: 28592...minimum of 10 years of prior related experience. + Top Secret or TS /SCI Clearance… more
    L3Harris (12/12/25)
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  • Principal / Sr. Principal DevOps Software…

    Northrop Grumman (Chantilly, VA)
    …operated globally. The team provides 24/7/365 subject matter expert ( SME ) support to ensure the systems are functioning properly. In support of these ... concepts, and techniques **Preferred Qualifications for both levels:** + Active Top Secret /SCI security clearance + Experience with Software development… more
    Northrop Grumman (12/04/25)
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  • Lead Artificial Intelligence Engineer

    The MITRE Corporation (Chantilly, VA)
    …MITRE Space Intelligence Systems Department is looking for an Artificial Intelligence Engineering Subject Matter Expert ( SME ) who wants to drive ... Execution for the following: + Information technology system configuration and architecture Subject Matter Expertise as well as familiarity with technical… more
    The MITRE Corporation (11/27/25)
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