• Modeling & Simulation

    KBR (Reston, VA)
    Title: Modeling & Simulation Engineer (Specialist) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... national security and shape the future of space defense. KBR is seeking a Modeling & Simulation Engineer Specialist with AFSIM experience to join a team of… more
    KBR (10/24/25)
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  • Systems Modeling Simulation

    Northrop Grumman (Dulles, VA)
    …only part of history, they're making history. We have an opening for a Systems Modeling Simulation Engineer to join our team of qualified, diverse ... practices. + Develop spacecraft component models from hardware documentation to support modeling and simulation activities across multiple projects. + Work with… more
    Northrop Grumman (10/03/25)
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  • Modeling and Simulation

    KBR (Reston, VA)
    Title: Modeling and Simulation Engineer (Senior II) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... shape the future of space defense. Key Responsibilities: KBR is seeking a Modeling & Simulation Engineer (Senior II) to join a team of quantitative analysts… more
    KBR (08/14/25)
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  • Modeling and Simulation

    KBR (Chantilly, VA)
    Title: Modeling and Simulation Engineer KBR is seeking a highly qualified Modeling and Simulation Engineer to join our team. The successful ... candidate will have the ability to perform analysis support modeling and simulation of complex space systems. Analysis and Modeling & Simulation actives… more
    KBR (09/02/25)
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  • Machine Learning Modeling

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Machine Learning Modeling and Simulation Engineer in Chantilly, VA. The successful candidate will: + Develop and maintain ... Learning (AI/ML) techniques (eg, supervised/unsupervised learning, reinforcement learning, predictive modeling ) to enhance simulation fidelity and performance. +… more
    SAIC (10/22/25)
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  • CAD Modeling and Simulation

    SAIC (Chantilly, VA)
    **Description** **SAIC** is seeking a **CAD Modeling and Simulation Engineer in Chantilly, VA** to support a government customer. **The successful candidate ... years of professional technical experience. + 3+ years of experience in modeling and simulation for aerospace or space systems. + Active Top Secret/SCI w/Poly… more
    SAIC (10/24/25)
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  • Modeling and Simulation

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Modeling and Simulation Engineer to support a customer in Chantilly, VA. The successful candidate will: + Develop and ... years of professional technical experience. + 3+ years of experience in modeling and simulation for aerospace or space systems. + Active Top Secret/SCI w/Poly… more
    SAIC (10/22/25)
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  • Mid-Level Modeling and Simulation

    KBR (Chantilly, VA)
    Title: Mid-Level Modeling and Simulation Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... and shape the future of space defense. KBR is seeking a Modeling And Simulation Engineer with in-depth knowledge of satellite relevancy to Department… more
    KBR (09/16/25)
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  • Modeling and Simulation

    Sciolex Corporation (Chantilly, VA)
    …committed to ensuring you receive the utmost employee care. Responsibilities As the Modeling and Simulation Engineer , you will provide specialized ... expertise supporting the acquisition of multi-intelligence (multi-INT) software services. The engineer is tasked with leading the integration of mission focused… more
    Sciolex Corporation (10/09/25)
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  • Network Modeling and Simulation

    CACI International (Sterling, VA)
    …Continental US * * * **The Opportunity** : We are seeking an experienced Network Modeling and Simulation Engineer to join our team. The successful candidate ... Network Modeling and Simulation Technician Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph… more
    CACI International (10/23/25)
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  • Simulation Engineer - TS/SCI…

    Leidos (Reston, VA)
    **Description** The Mission Solutions Business Area at Leidos has an opening for a Simulation Engineer in Reston, Virginia. The primary focus of the work is ... operations research or a related field + Experience with system of systems modeling and simulation **Preferred Qualifications:** + Working knowledge of MATLAB,… more
    Leidos (09/26/25)
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  • Chief Engineer

    Leidos (Reston, VA)
    …driving innovations to existing processes by incorporating such things as Building Information Modeling (BIM), Modeling and Simulation (M&S) tools, and ... to explore new technologies and approaches in building information management, modeling and simulation , and functional vulnerability identification. + Working… more
    Leidos (10/04/25)
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  • Sr. RF Systems Engineer

    KBR (Chantilly, VA)
    …insight into RF mission fundamentals, and the ability to perform analysis as well as modeling and simulation of complex space systems. Modeling and ... Title: Sr. RF Systems Engineer Job Posting Description KBR is seeking a...of RF systems, performance metrics, timelines, and models + Modeling and Simulation of RF systems +… more
    KBR (09/23/25)
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  • Systems Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    …expertise through leadership and mentoring while broadening your skillset into areas like modeling and simulation and computational analysis. Grow your skills by ... Systems Engineer The Opportunity: Are you looking for an...wait. You Have: + 5+ years of experience in modeling and simulation within a defense or… more
    BOOZ, ALLEN & HAMILTON, INC. (10/19/25)
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  • Counter Space Payload Engineer

    SAIC (Chantilly, VA)
    …+ Analysis of system and subsystem-level counter-space threat technology effectiveness using various modeling and simulation tools + Utilization of modeling ... **Description** SAIC is seeking a **Counter-Space Payload Engineer ** to join our team in Chantilly, VA....of counter-space threats + Experience in utilizing analytical and modeling tools (eg, STK, MATLAB, Simulink, etc.) REQNUMBER: 2506663… more
    SAIC (08/07/25)
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  • Mission Systems Engineer

    SAIC (Chantilly, VA)
    …is seeking a **Mission Systems Engineer ** with NRO experience to provide Modeling and Simulation (M&S) and Systems Engineering and Technical Advisory (SETA) ... advance the NRO's space resiliency posture. The Mission Systems Engineer will work in a collaborative team environment supporting...engagement skills + Strong written and interpersonal skills + Modeling and simulation experience using one or… more
    SAIC (08/07/25)
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  • Navigation Engineer

    The Boeing Company (Herndon, VA)
    …in **Guidance, Navigation, and Control** engineering. + Experience developing or using ** modeling and simulation ** tools such as **Python** or **MATLAB** / ... Security (BDS), Maritime and Intelligence Systems (M&IS) seeks a **Navigation Engineer ** to deliver best solutions for today's complex undersea engineering… more
    The Boeing Company (10/23/25)
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  • Model Based Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a cleared Model Based Systems Engineer with experience in Defense, Federal Civilian, and/or National Security systems to join our ... systems engineers directly supporting programs and foster broader understanding of modeling and assist them in developing Engineering, Integration, and Logistics… more
    SAIC (08/15/25)
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  • Nuclear Engineer , Lead

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    …weapons effects subject matter expertise to client research and development (R&D) modeling and simulation (M&S) programs. Apply nuclear weapons effects knowledge ... the DoD, IC, or other security agencies + Experience with nuclear weapons effects modeling and simulation tools + Knowledge of systems engineering, data science,… more
    BOOZ, ALLEN & HAMILTON, INC. (10/19/25)
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  • Satellite Guidance Navigation and Control…

    General Atomics (Herndon, VA)
    …implementations in satellite systems and their applications. + Experience with physics-based modeling of dynamic systems and Monte Carlo simulation analysis. + ... industrial, and commercial customers worldwide. We have an exciting opportunity for a GNC Engineer to join our CSS group located in Herndon, VA. The CSS group… more
    General Atomics (09/04/25)
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