• Senior SIGINT Systems Engineer

    KBR (Chantilly, VA)
    Title: Senior SIGINT Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... the future of space defense. KBR is seeking a Senior SIGINT Systems Engineer to be part...Government in defining new mission requirements, performing oversight of modeling and simulation , architectural definition clarifying the… more
    KBR (09/16/25)
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  • Senior Engineer

    Nou Systems, Inc. (Fort Belvoir, VA)
    …defense systems and improve capabilities. We are pleased to announce an opening for a senior engineer who will join our Engineering Services Team in the National ... IDIQ contract. The candidate will serve as a key senior member of the RETS technical team, positioning them...and relevant Task Orders (TOs) + Provide mission engineering, modeling & simulation , developmental test & evaluation,… more
    Nou Systems, Inc. (11/04/25)
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  • Senior Project Development Engineer

    CMTA, Inc (Fairfax, VA)
    …and career opportunities. **Job Summary:** CMTA, a Legence company, is looking for a Senior Project Development Engineer in the federal market to help in our ... can easily make the transition to become an energy engineer within our Energy Solutions group. **Below are some...Systems (UMCS) and their operation + Experience with building simulation and bin spreadsheet modeling of ECMs… more
    CMTA, Inc (11/16/25)
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  • Senior Transportation/Traffic…

    Jacobs (Virginia Beach, VA)
    …play a key role in redefining how people and goods move. As a Senior Transportation/Traffic Engineer , you'll collaborate with a multidisciplinary team of roadway ... transportation planning, and operations analysis. * Proficiency in traffic modeling and simulation tools. * Strong communication...in civil engineering or a related field. * Professional Engineer (PE) license in the Commonwealth of Virginia. *… more
    Jacobs (10/24/25)
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  • Senior Associate Systems Engineer

    L3Harris (Springfield, VA)
    …land, sea and cyber domains in the interest of national security. Job Title: Senior Associate, Systems Engineer - Watch Officer (Active TS/SCI w/CI Poly ... up to date current operations picture. . Develop and utilize model and simulation tools to analyze satellite operations and predict system behavior under various… more
    L3Harris (10/15/25)
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  • Senior Systems Engineer

    SAIC (Chantilly, VA)
    …knowledge while increasing their responsibilities. SAIC has an opening for a Senior Systems Engineer to provide Systems Engineering and Technical Assistance ... mission processing + Experience with use of architecting to support senior level enterprise decision making + Proven experience/familiarity with architecture tools… more
    SAIC (08/22/25)
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  • Senior Systems Engineer

    Leidos (Reston, VA)
    …and solution architects to ensure project goals align. + Contribute to the modeling , simulation , and analysis of systems throughout their lifecycle, supporting ... Must be a US Citizen **Preferred Qualifications:** + Experience with model and simulation environments to support simulation and testing. + Experience with… more
    Leidos (11/13/25)
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  • Senior Systems Engineer - Flight…

    RTX Corporation (Sterling, VA)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Senior Systems Engineer ** **- Flight Trainer Programs (Onsite)** Collins ... interoperability. By merging real-world scenarios with virtual environments, we deliver the simulation and training tools necessary to stay ahead in a dynamic world.… more
    RTX Corporation (11/12/25)
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  • Senior Operational Test and Evaluation…

    Bluepath Labs (Sterling, VA)
    …BluePath focuses on the intersection of technology and national security. The Senior Engineer is responsible for planning, conducting, and analyzing tests ... and Evaluation), and the DHS SELC framework. + Proficiency in modeling and simulation tools, digital engineering, or data management platforms to support… more
    Bluepath Labs (10/07/25)
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  • Senior Digital RF Engineer (Hardware…

    Huntington Ingalls Industries (Roanoke, VA)
    …asset systems. The use of HII proprietary tools, vendor tools, and other modeling , simulation , and analysis of targeted systems. Effective collaboration with ... Range: - $135,000.00 Security Clearance: Ability to Obtain Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a business group within… more
    Huntington Ingalls Industries (10/07/25)
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