• Lead/ Principal Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …at MPR engage in diverse and challenging projects involving neutronics modeling and simulation , thermal-hydraulics, material irradiation, radiation shielding, ... consulting firm, is actively seeking capable and motivated Lead/ Principal Nuclear Engineers to join our team. If you...forms, components, etc. + Familiarity with common nuclear engineering software , such as MCNP, SCALE, ORIGEN, RELAP, etc. +… more
    MPR Associates (06/27/25)
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  • Principal AI/ML Scientist

    Leidos (Arlington, VA)
    …+ _Have familiarity with analysis of time-series data from sensors and with modeling and simulation of sensor data._ + _Active TS/SCI Clearance_ **Original ... **Description** Leidos currently has an exciting opportunity for a Principal Scientist to lead the development of Human-Machine Teaming solutions for the Information… more
    Leidos (06/29/25)
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  • Space Systems Engineer Sr Principal

    SAIC (Chantilly, VA)
    …and CONOP trades for future systems; and system-level analysis of concept using various modeling and simulation tools. The engineer shall also be able to support ... in systems engineering and integration; enterprise IT, including cloud services; cyber; software ; advanced analytics and simulation ; and training. We are a… more
    SAIC (08/07/25)
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  • Classification Management Technical Professional

    KBR (Reston, VA)
    …Management Technical Professional to support a multi-disciplinary team that provides modeling , simulation , and analysis (MS&A) support to the Defense ... and tools and environments. The ideal candidate shall: + Serve as the principal advisor on all classification and dissemination and related activities, ensuring all… more
    KBR (06/30/25)
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  • Aegis Systems Engineer

    Parsons Corporation (Dahlgren, VA)
    …Proficient in systems engineering disciplines: requirements development, interface management, V&V, modeling / simulation , or MBSE + Working knowledge of tools ... We've got what you're looking for. **Job Description:** We are actively seeking ** Principal Aegis Systems Engineers** to support current and future work on **missile… more
    Parsons Corporation (05/15/25)
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  • FAST Labs - RF/EW Chief Scientist I (Hybrid)

    BAE Systems (Arlington, VA)
    …advanced comms/radar systems and waveforms, AI/ML, autonomy, exquisite algorithm development, modeling & simulation , etc. They also have demonstrated experience ... for tackling the Defense and Intelligence Communities hardest problems with innovative software and hardware solutions. FAST Labs, the research arm of BAE Systems… more
    BAE Systems (06/18/25)
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