• Data Scientist

    ManTech (Ashburn, VA)
    …Qualifications:** + Proficiency with statistical software packages including: SAS, SPSS Modeler , R, WEKA, or equivalent + Proficiency with Unsupervised Machine ... Learning methods including Cluster Analysis (eg, K-means, K-nearest Neighbor, Hierarchical, Deep Belief Networks, Principal Component Analysis), Segmentation, etc. + Proficiency with Supervised Machine Learning methods including Decision Trees, Support Vector… more
    ManTech (11/15/25)
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  • Data Scientist

    ManTech (Ashburn, VA)
    …with SQL programming. Proficiency with statistical software packages including SAS, SPSS Modeler , R, WEKA, or equivalent. + Experience with pattern recognition and ... extraction, automated classification, and categorization and experience with entity resolution (eg, record linking, named entity matching, deduplication/ disambiguation). + Experience with unsupervised and supervised machine learning techniques and methods and… more
    ManTech (11/11/25)
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  • Appian Solution Architect

    Guidehouse (Mclean, VA)
    …solutions in Appian, including advanced proficiency with Appian SAIL, Process Modeler , Rules, and integration with REST/SOAP, web services, and cloud platforms, ... etc + Current Appian Lead Developer or Solution Architect certifications, with a demonstrated history of ongoing learning and certification in related technologies (eg, Appian Level 2/3, AWS, Azure, RPA tools) + Expert-level understanding of Appian best… more
    Guidehouse (11/07/25)
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  • Mission Architecture Engineer

    JHNA (Alexandria, VA)
    …Proficient using systems engineering modeling tools (eg, CORE, Cameo Systems Modeler , MagicDraw, or MapleMBSE) to support system requirements, design, analysis, ... verification & validation, and continuing throughout development and later life-cycle phases. + OMG Certified Systems Modeling Professional (OCSMP) Model Builder Fundamental, OMG UAF Model User, Certified Systems Engineering Professional (CSEP), and/or other… more
    JHNA (11/03/25)
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  • Senior SIGINT Systems Engineer

    Solvarus (Chantilly, VA)
    …or more of the following: INCOSE (or DAWIA equivalent), OMG Systems Modeler , Agile, Project Management. Solvarus employment relationships are made without regard to ... age, race, color, religion, creed, sex, national origin, marital status, veteran status, the presence of any physical or mental disability, genetic information or any other status or characteristic protected by federal, state, or local law. Discrimination or… more
    Solvarus (11/02/25)
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  • Model Based System Engineer Staff

    Solvarus (Chantilly, VA)
    …experience with DoDAF, UPDM and/or UAF. + Object Certified Systems Modeler Professional (OCSMP) certification. * Strong communication skills especially with tools ... developers and customers. Solvarus employment relationships are made without regard to age, race, color, religion, creed, sex, national origin, marital status, veteran status, the presence of any physical or mental disability, genetic information or any other… more
    Solvarus (11/02/25)
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  • SIGINT System Engineer - Mid

    Solvarus (Chantilly, VA)
    …or more of the following: INCOSE (or DAWIA equivalent), OMG Systems Modeler , Agile, Project Management. Solvarus employment relationships are made without regard to ... age, race, color, religion, creed, sex, national origin, marital status, veteran status, the presence of any physical or mental disability, genetic information, or any other status or characteristic protected by federal, state, or local law. Discrimination or… more
    Solvarus (11/02/25)
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  • Model-Based Systems Engineer (Associate-Mid Level)

    G2 Ops, Inc. (Virginia Beach, VA)
    …Experience: 3+ years of relevant experience. Required Skills: Must have Cameo Modeler experience Security Clearance Requirement: Must be able to obtain and maintain ... Active DoD Secret Clearance. Where you make an impact: For this opportunity, we are seeking a highly motivated, team-oriented Model-Based Systems Engineer. This exciting position will have the chance to work on just about any aspect there is as it pertains to… more
    G2 Ops, Inc. (10/25/25)
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  • Network Modeling and Simulation Lead

    CACI International (Sterling, VA)
    …TCP/IP, MPLS, SDN) + Expertise in network simulation tools (NS3, Riverbed Modeler , OPNET, Paragon Planner, etc.) + Experience with data analytics and visualization ... tools + Proven track record of solving complex network problems through modeling and simulation + Strong analytical and problem-solving skills, with the ability to interpret complex data and translate it into actionable insights. + Strong written and verbal… more
    CACI International (10/25/25)
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  • Network Modeling and Simulation Technician

    CACI International (Sterling, VA)
    …across multiple domains + Expertise in network simulation tools (NS3, Riverbed Modeler , OPNET, Paragon Planner, etc.) + Strong programming skills in languages ... relevant to network modeling (eg, Python, C++, MATLAB) + Experience with data analytics and visualization tools + Proven track record of solving complex network problems through modeling and simulation + Excellent analytical and problem-solving skills + Strong… more
    CACI International (10/23/25)
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