• Applied Research Associates, Inc. (Herndon, VA)
    **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift and you need to have a solid understanding of DevOps principles, ... container orchestration, and cloud-native application development. The Senior DevOps Engineer will be responsible for designing, implementing, maintaining… more
    DirectEmployers Association (09/11/25)
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  • Sr Systems Engineer / Integration…

    Lockheed Martin (Suffolk, VA)
    …where mission\-focused technologies are developed, tested, and integrated\. **The Work** As a Systems Engineer Sr \., you'll play a vital role in enabling the CFI ... with Linux/Microsoft operating systems and Microsoft products\. \-3\-5 years simulation system software and hardware installation, configuration, modification… more
    Lockheed Martin (10/04/25)
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  • Sr Software Test Engineer

    SAIC (VA)
    **Description** SAIC is searching for a motivated, career and customer-oriented Sr . Software Test Engineer who performs high-level, day-to-day software ... in systems engineering and integration; enterprise IT, including cloud services; cyber; software ; advanced analytics and simulation ; and training. We are a… more
    SAIC (11/13/25)
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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 ... defense. Key Responsibilities: KBR is seeking a Modeling & Simulation Engineer ( Senior I) with...or supporting decisions under uncertainty. + Support M&S and software development efforts. + Support the analytic team in… 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 execution of M&S projects under the guidance of senior analysts. This includes creating models, running simulations, and...and visualization of simulation outputs; and debugging simulation models and resolve software , scripting, or… more
    SAIC (08/22/25)
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  • Senior Modeling & Simulation

    SAIC (Dahlgren, VA)
    **Description** SAIC is seeking a full-time Modeling & Simulation (M&S) Engineer to support the Program Executive Office Integrated Warfare Systems (PEO IWS), ... in systems engineering and integration; enterprise IT, including cloud services; cyber; software ; advanced analytics and simulation ; and training. We are a… more
    SAIC (11/05/25)
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  • Sr . Scientist - Program Chief Systems…

    L3Harris (Ashburn, VA)
    …Relocation: Relocation assistance is available to qualified applicants Job Description: The Sr . Scientist - Systems Engineering, Program Chief Engineer for the ... the Agile Development Division within the Airborne Combat Systems sector. The Sr . Scientist - Systems Engineering, Program Chief Engineer responsibilities will… more
    L3Harris (09/04/25)
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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)** ... high complexity + Work closely with other engineering disciplines (eg electrical, software and systems engineering) to ensure the mechanical design is appropriate… more
    RTX Corporation (11/06/25)
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  • Sr Specialist, Circuit Design Electrical…

    L3Harris (Ashburn, VA)
    …sea and cyber domains in the interest of national security. Job Title: Sr Specialist, Circuit Design Electrical Engineer - Unmanned Systems (Secret Security ... 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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  • 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 on-site, in-person support in...or related area and 3 years of experience. + ** Senior Principal Engineer Level (T4)** - BS… more
    Northrop Grumman (10/17/25)
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