• LMI Consulting, LLC (Mclean, VA)
    Software Engineer ( SME ) - TS /SCI with Polygraph Required Job Locations US-VA-McLean Job ID 2025-13219 # of Openings 1 Category Engineering Benefit Type ... AI solutions Demonstrated experience in data structures, data modeling, and software architecture Demonstrated in-depth experience and knowledge of machine learning… more
    CollegeRecruiter (12/13/25)
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  • Software Engineer - Level 2

    Northrop Grumman (Fairfax, VA)
    …engineers and architects. Software Engineers frequently get into informal (example: Subject Matter Expert ) and formal technical leadership roles within ... Software and Digital Engineering department which has 200+ Software Engineer , DevOps Engineer , Systems...(must have/required to be considered):** + Requires an **active** Top - Secret ( TS )/Sensitive Compartmented Information (SCI)… more
    Northrop Grumman (11/14/25)
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  • Full Stack Software Engineer

    Leidos (Alexandria, VA)
    …is seeking a highly experienced, versatile, and visionary Full Stack Software Engineer Subject Matter Expert ( SME ) for the Maru Program. In this ... **Description** National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security… more
    Leidos (11/01/25)
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  • Expert Software Engineer

    Amentum (Springfield, VA)
    …a whole. **Responsibilities:** As a GEODS Expert Software Engineer , you will serve as a subject matter expert and mentor to other developers, ... If so, look no further. Amentum is seeking an ** Expert Software Engineer ** to join...team, workstream, or major task(s) **Clearance Required:** * Active TS /SCI must be able to obtain and maintain a… more
    Amentum (11/18/25)
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  • Expert Software Engineer

    Amentum (Springfield, VA)
    …data. **Responsibilities:** As a GEODS Expert Software Engineer , you will serve as a subject matter expert and mentor to other developers, ... If so, look no further. Amentum is seeking an ** Expert Software Engineer ** to join...Software Developer will serve as the primary technical SME for AI capabilities supporting the GEODS Data Catalog,… more
    Amentum (11/23/25)
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  • Expert Software Engineer

    Amentum (Springfield, VA)
    …a whole. **Responsibilities:** As a GEODS Expert Software Engineer , you will serve as a subject matter expert and mentor to other developers, ... If so, look no further. Amentum is seeking an ** Expert Software Engineer ** to join...a clear and direct manner **Clearance Required:** * Active TS /SCI must be able to obtain and maintain a… more
    Amentum (11/18/25)
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  • EW Embedded Software Engineer

    RTX Corporation (Arlington, VA)
    …program goals + Be responsible for significant portions of the embedded code base, becoming the subject matter expert in those areas + Assist the team in ... eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret RTX Corporation is an Aerospace...machine learning. We are searching for an EW Embedded Software Engineer to join our team. In… more
    RTX Corporation (11/05/25)
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  • Software Virtualization Engineer

    General Dynamics Information Technology (Springfield, VA)
    …will help ensure today is safe and tomorrow is smarter. Our work depends on a TS /SCI Cleared Software Virtualization Engineer joining our team to support our ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...Yes **Job Description:** Transform technology into opportunity as a Software Virtualization Engineer with GDIT. A career… more
    General Dynamics Information Technology (10/28/25)
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  • Software Virtualization Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    Software Virtualization Engineer Location: Springfield, VA, US Job ID: ATR 17757 Job Description Job Title: Software Virtualization Engineer Location: ... Springfield, VA Eligibility: Candidate must possess an active TS /SCI clearance Job Description: We are looking for a.../SCI clearance Job Description: We are looking for a Software Virtualization Engineer to support the virtualization… more
    Arena Technical Resources, LLC (12/05/25)
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  • Software Architect/ SME ( Top

    General Dynamics Information Technology (Falls Church, VA)
    …We are seeking a highly skilled Subject Matter Expert ( SME ) to support a large-scale Army software sustainment and modernization program, focused on ... of related experience **US Citizenship Required:** Yes **Job Description:** ** Software Architect/ Subject Matter Expert...career. At GDIT, people are our differentiator. As a Software Engineer , SME you will… more
    General Dynamics Information Technology (11/21/25)
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  • Software Engineer (508 Compliance…

    Saliense Consulting (Arlington, VA)
    … clearance to be considered and must be eligible to obtain a Top Secret clearance. Position Description: Technical 508 Compliance SME to join our team in ... Saliense is now hiring a Technical Consultant (508 Compliance SME ) to join our team in support of our...(ONR) in Arlington, VA. Candidates must possess an active Secret Clearance to be considered. The Technical 508 Compliance… more
    Saliense Consulting (12/05/25)
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  • Systems Engineer SME - Exchange…

    General Dynamics Information Technology (Washington, DC)
    …**Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** Seize your opportunity to make a personal impact ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...our best becomes better. **How a Senior Principal Systems Engineer will make an Impact:** + SME more
    General Dynamics Information Technology (11/06/25)
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  • Critical Facility Technician 3 (HVAC SME

    M. C. Dean (Manassas, VA)
    …for access to classified information; **Ability to obtain and maintain Top - Secret clearance.** **Passport Requirement:** Continued employment for this role ... US Citizenship, for access to classified information; **Ability to obtain and maintain Top - Secret clearance.** + Continued employment for this role will be… more
    M. C. Dean (11/28/25)
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  • COMSEC / 5G cellular / VHF Systems Engineer

    General Dynamics Information Technology (Washington, DC)
    …are the foundation of our overall approach to maintenance. You act as the maintenance subject matter expert for our government client and exhibit the ... + years of related experience **US Citizenship Required:** Yes **Job Description:** **Systems Engineer - Active Top Secret Required** Seize your opportunity… more
    General Dynamics Information Technology (11/20/25)
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  • Signal Processing Engineer Subject

    Lockheed Martin (Manassas, VA)
    …constructive\) and coaching to achieve high performance * Ability to obtain Top Secret security clearance **Security Clearance Statement:** This position ... to deliver next‑generation capabilities to our customers\. As a Signal Processing SME , you will shape advanced AI‑enabled defense solutions-​from early research and… more
    Lockheed Martin (10/22/25)
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  • Systems Engineer - Platform - active…

    V2X (Springfield, VA)
    …with integrity, respect, responsibility, and professionalism. We are hiring for a Systems Engineer - Platform - active TS /SCI clearance for our Systems ... Team to support our government customer based in Springfield, VA. The Systems Engineer - Platform provides a combination of software and systems engineering… more
    V2X (12/12/25)
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  • Integration Engineer /Developer, SME

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Integration Engineer /Developer, SME ** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, Arlington **Position ... Description:** CGI Federal has an exciting opportunity for an Integration Engineer /Developer within our Intel sector advancing the national security mission through… more
    CGI Technologies and Solutions, Inc. (10/23/25)
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  • Integration Engineer /Developer, SME

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Integration Engineer /Developer, SME ** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, Arlington **Position ... Description:** CGI Federal has an exciting opportunity for an Integration Engineer /Developer within our Intel sector advancing the national security mission through… more
    CGI Technologies and Solutions, Inc. (10/18/25)
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  • Multi-Cloud Engineer /Architect…

    Intelligent Waves (Fort Belvoir, VA)
    …identity diagrams, and compliance traceability **Qualifications** Required Quaifications: + Active DoD Top Secret clearance with SCI Eligibility + DoD 8570 IAT ... **Overview** Intelligent Waves is seeking a Multi-Cloud Engineer /Architect ( SME ) to support large-scale migration and operations on a large, high-profile DOD… more
    Intelligent Waves (11/21/25)
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  • Senior SETA Engineer SME

    IronMountain Solutions, Inc. (Falls Church, VA)
    501180 Senior SETA Engineer SME Work Location: Falls Church, Virginia Schedule: Full Time Relocation: Negotiable IMS is seeking a Senior SETA Engineer SME ... in the form of technical reports, briefings, and executive summaries. + Provide the subject matter expertise with experience in the following technical areas: +… more
    IronMountain Solutions, Inc. (10/21/25)
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