• COMSEC / 5G cellular / VHF Systems

    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 to… more
    General Dynamics Information Technology (08/02/25)
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  • Systems Engineer SME

    General Dynamics Information Technology (Washington, DC)
    …17 + years of related experience **US Citizenship Required:** Yes **Job Description:** **Sr Principal Systems Engineer - Active Directory - Active Top ... to make a personal impact as a **Sr** **Principal Systems Engineer ** **- ACTIVE DIRECTORY**...means designing and implementing the systems that matter most. You will ensure that Active more
    General Dynamics Information Technology (10/06/25)
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  • Systems Engineer - Platform…

    V2X (Springfield, VA)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring for a Systems Engineer - Platform - active TS/SCI clearance for ... Services (SEAS) Team to support our government customer based in Springfield, VA. The Systems Engineer - Platform provides a combination of software and … more
    V2X (09/12/25)
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  • Edge Information Systems Security…

    V2X (Springfield, VA)
    …with integrity, respect, responsibility, and professionalism. We are hiring an Edge Information Systems Security Engineer (ISSE) - active TS/SCI clearance to ... VA. The position is required to be onsite. The position requires an active Top Secret/SCI clearance and the ability to obtain and maintain a Counterintelligence… more
    V2X (09/09/25)
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  • Systems Engineer SME

    General Dynamics Information Technology (Washington, DC)
    …**US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** Seize ... becomes better. **How a Senior Principal Systems Engineer will make an Impact:** + SME ...hardware issues. + Serving as technical and functional training expert . + Ensuring the security and integrity of system… more
    General Dynamics Information Technology (10/06/25)
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  • Systems Engineer SME - Linux…

    General Dynamics Information Technology (Washington, DC)
    …of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Linux** Design, deploy, integrate and maintain ... technologies to advance the mission as a **SENIOR PRINCIPAL SYSTEMS ENGINEER ** with GDIT. Your work in...where authentication, authorization, and accounting actives are controlled by Active Directory with PKI certificates and Single Sign On.… more
    General Dynamics Information Technology (10/06/25)
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  • Cybersecurity Automation Subject

    Koniag Government Services (Washington, DC)
    …Government Services company **,** is seeking a Cybersecurity Automation Subject Matter Expert ( SME ) with an active TS/SCI to support KITS and our ... off, and more. We are seeking a Cybersecurity Automation Subject Matter Expert ( SME...to modernize and streamline cybersecurity compliance. The Cybersecurity Automation SME will engineer and implement automated solutions… more
    Koniag Government Services (10/06/25)
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  • Principal Information Assurance Subject

    DCCA (Fort Meade, MD)
    …our website at: www.dcca.com Principal Information Assurance Subject Matter Expert Candidate must have an active Secret Clearance For over 40 years, ... Principal Information Assurance Subject Matter Expert Location...the secure integration and operations of all computer enclave systems . Works independently to evaluate and solve complex IA… more
    DCCA (09/22/25)
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  • Full Stack Software Engineer SME

    Leidos (Gaithersburg, MD)
    …Area, is seeking a highly experienced, versatile, and visionary Full Stack Software Engineer Subject Matter Expert ( SME ) for the Maru Program. In ... Gaithersburg, MD + Alexandria, VA + Chantilly, VA **Clearance Level Required:** Active TS/SCI and successfully pass a Polygraph exam. **Primary Responsibilities:** +… more
    Leidos (08/23/25)
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  • IT Systems Engineer / SME

    Koniag Government Services (Arlington, VA)
    Koniag Professional Services LLC, a Koniag Government Services company **,** is seeking an IT Systems Engineer / SME with a TS/SCI clearance to support KPS and ... (KPS) is seeking a highly skilled and motivated IT Systems Engineer to join the Chief Digital...Qualifications:** + Must be a US Citizen with an active Secret security clearance and the ability to obtain… more
    Koniag Government Services (09/23/25)
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  • Systems Engineer & Process…

    KBR (Chantilly, VA)
    Title: Systems Engineer & Process SME Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... upon contract award KBR is seeking a highly qualified Systems Engineer to provide Systems ...strategies and source selections as directed. Required Qualifications: + Active TS/SCI + Bachelor of Science/Bachelor of Arts (BS/BA)… more
    KBR (08/08/25)
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  • Marine Electrical Engineer , SME

    THOR Solutions, LLC (Washington, DC)
    THOR Solutions, LLC is actively seeking a highly motivated Subject Matter Expert -level Marine Electrical Engineer to support the United States Coast ... Electrical fields: electric propulsion, machinery control, power generation or distribution systems , as well as familiarity with US Federal or commercial… more
    THOR Solutions, LLC (08/08/25)
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  • Systems Engineer SME

    SAIC (Chantilly, VA)
    …to expand their knowledge while increasing their responsibilities. SAIC has an opening for a SME Systems Engineer to provide Systems Engineering and ... is responsible for designing, building, and operating national security-related systems based in space, in the air, and on...with at least 9 years of relevant experience + Active TS/SCI clearance with polygraph + Strong technical fundamentals… more
    SAIC (08/13/25)
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  • SME Computer Systems Engineer

    GovCIO (Washington, DC)
    **Overview** GovCIO is currently hiring a SME Computer Systems Engineer /Architect to support our newly awarded United States Coast Guard (USCG) program This ... USD $172,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6650/ sme -computer- systems - engineer -architect/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6650_… more
    GovCIO (09/23/25)
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  • SME Computer Systems Engineer

    GovCIO (Washington, DC)
    …referral to this job (https://careers-govcio.icims.com/jobs/6800/ sme -computer- systems - engineer ... **Overview** GovCIO is currently hiring a SME Network and Computer Systems Administrator...+ Clearance Required: Must be clearable up to an active Secret clearance M066 **Company Overview** GovCIO is a… more
    GovCIO (09/25/25)
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  • LAN/WAN Engineer SME

    IT Veterans (Alexandria, VA)
    LAN/WAN Engineer SME Alexandria, VA . Information Technology Apply Now LAN/WAN Engineer SME Alexandria, VA Job Summary: IT Veterans is currently seeking ... a LAN/WAN Engineer SME to join our team. You...hardware and software. + Advanced knowledge of desktop operating systems and applications. + Expert Knowledge of… more
    IT Veterans (08/08/25)
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  • SME SIGINT Engineer

    KBR (Chantilly, VA)
    …national security and shape the future of space defense. KBR is seeking a Senior SME SIGINT Systems Engineer with technical and engineering skills and ... Title: SME SIGINT Engineer Belong. Connect. Grow....US Government Intelligence Community and Military users. The SIGINT Systems Engineer serves as a technical advisor… more
    KBR (08/08/25)
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  • Software Engineer - SME

    KBR (Chantilly, VA)
    …national security and shape the future of space defense. KBR is seeking a Software Engineer SME to join our team. The candidate will leverage their extensive ... Title: Software Engineer - SME Belong. Connect. Grow....software engineering experience and skillsets to provide Systems Engineering and Technical Assistance (SETA) support to a… more
    KBR (07/22/25)
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  • Software Engineer (508 Compliance…

    Saliense Consulting (Arlington, VA)
    …of the full benefits package. Saliense is now hiring a Technical Consultant (508 Compliance SME ) to join our team in support of our team at the Office of Naval ... days/week onsite in Arlington, VA. Candidates must possess an active Secret clearance to be considered and must be...a Top Secret clearance. Position Description: Technical 508 Compliance SME to join our team in support of a… more
    Saliense Consulting (10/01/25)
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  • DevOps Engineer ( SME )

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **DevOps** ** Engineer ( SME )** in our **National Security Sector's (NSS) Cyber & Analytics ... us and make a difference in National** **Security!** **Job Summary** This DevOps Engineer role provides mission critical system support to our customer. You will… more
    Leidos (08/08/25)
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