• Systems Engineer - Subject

    Noblis (Chantilly, VA)
    Responsibilities As a Systems Engineer SME, you will provide expert leadership in planning, designing, and implementing sophisticated additions and changes to ... network hardware, infrastructure server environments, and operating systems with special emphasis on Top Secret classification enclaves....work and balance the other things in life that matter to them. Our people are our greatest asset.… more
    Noblis (11/01/25)
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  • Systems Engineer SME

    Leidos (Alexandria, VA)
    …part of the Decision Advantage Solutions Business Area, is currently seeking a highly experienced Systems Engineer Subject Matter Expert (SME) for the ... decisions, and shape the design, development, and integration of complex geospatial systems in support of national security. Position may be performed in the… more
    Leidos (10/11/25)
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  • Senior Systems Engineer (Active…

    NANA Regional Corporation (Alexandria, VA)
    ASE, and Akima company, is looking to hire a Senior Systems Engineer to serve a subject matter expert for USCG IT systems lifecycle management. This ... complex problems that require expert level knowledge of the subject matter for effective implementation. + From...matter for effective implementation. + From a computer systems standpoint, participates as needed in all phases of… more
    NANA Regional Corporation (10/25/25)
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  • Data Engineer - Subject

    Noblis (Chantilly, VA)
    Responsibilities As a Data Engineer SME, you will be responsible for engineering tasks to deliver advanced analytic applications across classified environments. You ... Services requirements by integrating various intelligence data sources and systems . + Develop and maintain data analytics solutions for...work and balance the other things in life that matter to them. Our people are our greatest asset.… more
    Noblis (10/30/25)
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  • Telecom Engineer ( Subject

    Jacobs (Washington, DC)
    …but we intend to hire the "best" candidates. Jacobs is seeking a seasoned Telecom Engineer Subject Matter Expert (SME) to lead technical excellence across ... Champion innovation in high-speed connectivity, low-latency architecture, and fault-tolerant systems . * Develop and maintain Jacobs' telecom standards, specifications,… more
    Jacobs (10/25/25)
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  • Mechanical/HVAC Engineer ( Subject

    Jacobs (Washington, DC)
    …we intend to hire the "best" candidates. Jacobs is seeking a seasoned Mechanical/HVAC Engineer Subject Matter Expert (SME) to lead technical excellence ... design strategy with clients with up front planning. Optimization of mechanical systems for hyperscale and enterprise data centers. * Champion innovation in cooling… more
    Jacobs (10/25/25)
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  • Electrical Engineer ( Subject

    Jacobs (Washington, DC)
    …intend to hire the "best" candidates. Jacobs is seeking a highly experienced Electrical Engineer Subject Matter Expert (SME) to lead technical excellence ... strategy with clients with up front planning. Optimization of electrical systems including MV/LV distribution, UPS, generators, grounding, and redundancy strategies.… more
    Jacobs (10/25/25)
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  • Software Engineer - Subject

    Noblis (Chantilly, VA)
    Responsibilities As a Software Engineer SME, you will provide technical leadership in the design, development, testing, and management of complex application ... + Architect software solutions that effectively interact with cross-domain systems + Optimize existing code and recommend process improvements...work and balance the other things in life that matter to them. Our people are our greatest asset.… more
    Noblis (10/30/25)
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  • Network Engineer - Subject

    Noblis (Chantilly, VA)
    Responsibilities As a Network Engineer SME, you will provide expert leadership in designing, implementing, and managing sophisticated network systems and ... will ensure the reliability, security, and performance of network systems that enable users to access highly sensitive data...work and balance the other things in life that matter to them. Our people are our greatest asset.… more
    Noblis (10/30/25)
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  • Signal Processing Engineer Subject

    Lockheed Martin (Manassas, VA)
    **Description:** What We're Doing Lockheed Martin Rotary and Mission Systems \(RMS\) is a world‑class leader in defense innovation\. Our Artificial Intelligence ... cluster\. Collaboration - Partner with peer engineering organizations, chief engineer offices, and external stakeholders to ensure seamless technology transfer… more
    Lockheed Martin (10/22/25)
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  • Senior Scientist, Systems Engineer

    L3Harris (Herndon, VA)
    …competitive assessment, project engineering management and development program execution. The Advanced Concept Engineer should be a subject matter expert in ... the interest of national security. Job Title: Senior Scientist, Systems Engineer Job Code: 28926 Job Location:...customer's CONOPS and requirements, perform trade studies, engage L3Harris Subject Matter Experts (SMEs) to architect an… more
    L3Harris (10/05/25)
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  • Scientist, Systems Engineer

    L3Harris (Ashburn, VA)
    …and experience in project engineering management and development program execution. The Advanced Concept Engineer must be a subject matter expert in multiple ... in the interest of national security. Job Title: Scientist, Systems Engineer - Ashburn/Palm Bay - Secret...customer's CONOPS and requirements, perform trade studies, engage L3Harris Subject Matter Experts (SMEs) to architect an… more
    L3Harris (10/26/25)
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  • Senior Mechanical Engineer - NAVY…

    BAE Systems (Washington, DC)
    …US Navy facility development, recapitalization, and construction projects. Accuracy, integrity, subject matter expertise, and the ability to work well ... Systems is seeking an experienced Senior Mechanical Engineer to support our work as a prime contractor...of an important legacy. Position Description and Responsibilities: BAE Systems is seeking an experienced senior mechanical engineer more
    BAE Systems (09/10/25)
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  • Systems Test Engineer / Principal…

    Northrop Grumman (Chantilly, VA)
    systems that are operated globally. The team provides 24/7/365 subject matter expert (SME) support to ensure the systems are functioning properly. In ... Grumman Mission Systems ** is seeking a candidate to fill a ** Systems Test Engineer / Principal Systems Test Engineer ** position. This position… more
    Northrop Grumman (10/23/25)
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  • COMSEC / 5G cellular / VHF Systems

    General Dynamics Information Technology (Washington, DC)
    …3 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Engineer - Active Top Secret Required** Seize your opportunity to ... make a personal impact as a Systems Engineer supporting a world class maintenance...overall approach to maintenance. You act as the maintenance subject matter expert for our government client… more
    General Dynamics Information Technology (11/01/25)
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  • Big Data Systems Engineer (Remote)

    KBR (Washington, DC)
    Title: Big Data Systems Engineer (Remote) Belong, Connect, Grow, with KBR! KBR's National Security Solutions (NSS) team provides high-end engineering and ... our national security. KBR is seeking a Big Data Systems Engineer to join our team. The...skills and the ability to become a CHEETAS deployment subject matter expert. + Must be comfortable… more
    KBR (10/28/25)
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  • Space Acquisition Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …the utmost employee care. Responsibilities We are looking for a Space Acquisition Systems Engineer to provide systems engineering and technical advisory ... architectures, and hardware and software solutions. The Space Acquisition Systems Engineer will serve as the System... will serve as the System Program Office (SPO) Subject Matter Expert (SME) providing programmatic oversight… more
    Sciolex Corporation (10/09/25)
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  • Systems Engineer

    KBR (Chantilly, VA)
    Title: Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions ... the future of space defense. KBR is seeking a Systems Engineer (SE) to support the SSPO...counterparts, functional counterparts, and other spacecraft, payload and ground subject matter experts + Advise and mentor… more
    KBR (09/17/25)
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  • Scientist - Program Chief Systems

    L3Harris (Ashburn, VA)
    …for the engineering staff on the program. Essential Functions: * Provide subject matter expert technical leadership, maintain customer communications, and be ... assistance is available to qualified applicants Job Description: The Scientist - Systems Engineering, Program Chief Engineer for the Precision Attack Strike… more
    L3Harris (09/04/25)
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  • Cybersecurity Automation Subject

    Koniag Government Services (Arlington, VA)
    Systems , a Koniag Government Services company **,** is seeking a Cybersecurity Automation Subject Matter Expert (SME) with an active TS/SCI to support KITS ... three weeks paid time off, and more. We are seeking a Cybersecurity Automation Subject Matter Expert (SME) with deep experience in the Department of Defense… more
    Koniag Government Services (10/28/25)
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