• 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 3 or 4

    Northrop Grumman (Linthicum Heights, MD)
    …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...well as the interview assessment._ + Requires an **active** Top - Secret ( TS )/Sensitive Compartmented Information (SCI)… more
    Northrop Grumman (11/14/25)
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  • Senior Software Engineer - Full…

    General Dynamics Information Technology (Hanover, MD)
    …the development of complex solutions + Participates as a Subject Matter Expert in internal review of software components and systems + Works on the ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...PTO for TS /SCI with Poly** Job Description Software Engineer Sr Advisor Deliver simple solutions… more
    General Dynamics Information Technology (11/19/25)
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  • Software Engineer ( SME )

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Software Engineer ( SME )** in our **National Security Sector's (NSS) Cyber & Analytics ... a difference in National Security!** **Job Description** As a Software Engineer on this program, you will...degree. + To be considered must have an active TS /SCI with polygraph security clearance Preferred Qualifications + Experience… more
    Leidos (11/07/25)
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  • Cloud Software Engineer 3

    Nightwing (Annapolis Junction, MD)
    …for improving documentation and software development process standards. *Serve as subject matter expert for Cloud Computing and corresponding ... in the intelligence community, defense, civil, and commercial markets. The Cloud Software Engineer develops, maintains, and enhances complex and diverse … more
    Nightwing (09/22/25)
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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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  • Software Engineer with Poly Sr Swe2

    Lockheed Martin (Annapolis Junction, MD)
    …ahead of emerging threats and opportunities\. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse ... products to production\. **WHO YOU ARE** Experience as a Software Engineer with knowledge assisting in the...off for work/life balance\. And more **Basic Qualifications:** Active Top Secret clearance with polygraph 14 years… more
    Lockheed Martin (11/27/25)
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  • 128 Cloud Software Engineer 3

    ARSIEM (Annapolis Junction, MD)
    …improving documentation and software development process standards + Serve as a subject matter expert for Cloud Computing and corresponding technologies ... work with. ARSIEM is currently looking for a Cloud Software Engineer skilled in DevOps, particularly as...2025-09-10 Clearance Requirement : This position requires an active TS /SCI with a polygraph. You must be a US… more
    ARSIEM (12/11/25)
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  • Senior Software Engineer

    CACI International (Laurel, MD)
    Senior Software Engineer Job Category: Information Technology...Subject Matter Expertise:** Serve as a subject matter expert within the ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...**The Opportunity** Join our dynamic team as a Senior Software Engineer and contribute to the maintenance… more
    CACI International (10/12/25)
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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 Engineer SME

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ207590 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Family:** Software Engineering **Skills:** Computer Programming,Design,Documentations, Software Applications, Software Program **Experience:** 15 + years of… more
    General Dynamics Information Technology (09/20/25)
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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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  • 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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  • Azure Cloud SME ( TS /SCI w/…

    COMSO, Inc (Annapolis Junction, MD)
    Azure Cloud SME ( TS /SCI w/ Polygraph) Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA+20701) Job Type Full-time Description About ... years running by the Baltimore Sun Media Group. Currently, we are seeking aAzure Cloud SME ( TS /SCI w/ Polygraph)to join our Team! ** TS /SCI w/ POLYGRAPH… more
    COMSO, Inc (10/22/25)
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  • SIGINT Tools System Engineer - TS

    CACI International (Annapolis Junction, MD)
    …Type of Travel: None * * * **The Opportunity:** + Work on an Outreach support team as subject matter expert in the use of SIGINT tools. + Provide direct user ... SIGINT Tools System Engineer - TS /SCI with Poly Job Category: Engineering...technical insights and assist with troubleshooting data flow, network, software , and hardware issues. + Facilitate effective communication with… more
    CACI International (12/09/25)
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  • Hardware Exploitation Engineer ( TS

    Vexterra Group (Bethesda, MD)
    …tools, and standards for conducting hardware exploitation of digital media + Serve as a subject matter expert for IC/DOD customers + Prepare clear and ... Vexterra Group is currently searching for a TS /SCI cleared Hardware Exploitation Engineer to...system. + Experience requiring knowledge of C and Assembler software engineering for embedded platforms that run commercial and/or… more
    Vexterra Group (10/14/25)
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  • Sr. ISSE TS /SCI Poly

    Leidos (Annapolis Junction, MD)
    …management for security-relevant information system software . + Serving as a subject matter expert in security architecture to include providing ... can thrive, keep reading! You must have an active TS /SCI Polygraph up front. Unfortunately, no exceptions. Leidos has...Leidos has an exciting opportunity for a Senior Security Engineer to join a high performing agile team using… more
    Leidos (12/15/25)
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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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