• Sr Systems Engineer

    Lockheed Martin (Suffolk, VA)
    …hub where mission\-focused technologies are developed, tested, and integrated\. **The Work** As a Systems Engineer Sr \., you'll play a vital role in enabling ... development and real\-time mission experimentation\. **Who You Are** You are a skilled systems engineer with a hands\-on approach to solving problems\. You… more
    Lockheed Martin (10/04/25)
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  • Sr . RF Systems Engineer

    KBR (Chantilly, VA)
    Title: Sr . RF Systems Engineer Job...ability to perform analysis as well as modeling and simulation of complex space systems . Modeling and ... Posting Description KBR is seeking a highly qualified Sr Radio Frequency (RF) Systems Engineer..., performance metrics, timelines, and models + Modeling and Simulation of RF systems + Identify and… more
    KBR (09/23/25)
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  • Sr . Scientist - Program Chief…

    L3Harris (Ashburn, VA)
    …available to qualified applicants Job Description: The Sr . Scientist - Systems Engineering, Program Chief Engineer for the Precision Attack Strike Munition ... Airborne Combat Systems sector. The Sr . Scientist - Systems Engineering, Program Chief Engineer responsibilities will include providing technical… more
    L3Harris (09/04/25)
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  • Modeling and Simulation Engineer

    KBR (Reston, VA)
    Title: Modeling and Simulation Engineer Senior I Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future...defense. Key Responsibilities: KBR is seeking a Modeling & Simulation Engineer ( Senior I) with… more
    KBR (11/13/25)
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  • Mission Modeling and Simulation Analyst…

    SAIC (Alexandria, VA)
    **Description** SAIC is seeking motivated and detail-oriented ** Senior Modeling and Simulation Analysts - Senior Engineers** to join our dynamic team. The ... and engineers to support the development and implementation of modeling and simulation (M&S) solutions for a variety of Mission Engineering projects. This role… more
    SAIC (08/22/25)
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  • Sr Specialist, Circuit Design Electrical…

    L3Harris (Ashburn, VA)
    …of national security. Job Title: Sr Specialist, Circuit Design Electrical Engineer - Unmanned Systems (Secret Security Clearance) Job Code: 28913 Job ... assistance is available to qualified applicants Job Description: As a Electrical Engineer Specialist in the Agile Development Group (ADG), you will be part… more
    L3Harris (09/17/25)
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  • Senior Modeling & Simulation

    SAIC (Dahlgren, VA)
    …involves the development, implementation, integration, and testing of high-fidelity modeling and simulation systems that support the evaluation of various Navy ... **Description** SAIC is seeking a full-time Modeling & Simulation (M&S) Engineer to support the...opportunity to contribute to the advancement of naval combat systems through sophisticated modeling and simulation efforts.… more
    SAIC (11/05/25)
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  • Principal/ Sr . Principal Systems

    Northrop Grumman (Dulles, VA)
    …making history. Northrop Grumman Space Systems Sector seeks a qualified Principal or Senior Principal Systems Engineer for the role of Ground Segment ... Systems Engineer for a Ground/Mission Software program. This role requires...or related area and 3 years of experience. + ** Senior Principal Engineer Level (T4)** - BS… more
    Northrop Grumman (10/17/25)
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  • Senior Mechanical Engineer - Flight…

    RTX Corporation (Sterling, VA)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Senior Mechanical Engineer ** **- Flight Simulation (Onsite)** ... in complexity from PC based desktop trainers to high fidelity full-flight training systems . **What You Will Do:** + Considered a specialist in a specific mechanical… more
    RTX Corporation (11/06/25)
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  • Sr . Digital Engineer

    KBR (Chantilly, VA)
    Title: Sr . Digital Engineer KBR is seeking a Systems Engineer to support Model Based Systems Engineering (MBSE) efforts for government programs in ... or Python programming experience + Knowledge of engineering analysis and analytical simulation tools such as ModelCenter, Systems Toolkit (STK), Mathematica,… more
    KBR (09/02/25)
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