• Network Lab Engineer - Active TS/SCI…

    ENS Solutions (Sterling, VA)
    Seeking a Lab Engineer with strong networking expertise to support testing, evaluation, and development of advanced network solutions within a controlled lab ... role involves configuring network infrastructure, troubleshooting, and assisting in validation efforts to ensure high-performance and secure operations. Key… more
    ENS Solutions (09/27/25)
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  • Quality Assurance Engineer (Automation)…

    ICF (Reston, VA)
    …is contingent upon a contract award._ ICF is hiring a Quality Assurance Engineer to deliver new test functionality and support existing frameworks. This position ... automated functional testing by our testing team, focusing on application flow and validation of test results. + Perform manual and automated testing, which may… more
    ICF (09/27/25)
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  • Modeling and Simulation Engineer (LVC)…

    Amentum (Chantilly, VA)
    Amentum is seeking a **Modeling and Simulation Engineer (LVC) Senior** to support our **FEDSIM United States Army National Guard (G2 IS3)** contract. ... + Coordinates with cross-functional training and technical teams to define system requirements and translate mission objectives into high-fidelity simulations. +… more
    Amentum (09/23/25)
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  • Machine Learning Engineer / Data Scientist

    Prometheus Federal Services (VA)
    …a trusted partner of federal health agencies, seeking a Machine Learning Engineer /Data Scientist to support advanced analytics initiatives within the Department of ... AI/ML models for predictive analytics, natural language processing, and decision support systems . + Design, develop, and deploy robust machine learning and deep… more
    Prometheus Federal Services (09/27/25)
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  • Senior Mechanical Engineer

    Leidos (Reston, VA)
    …The Mission Solutions Business Area at Leidos is looking for a Mechanical Engineer to join our Reston, VA based team. The successful candidate will work ... to collect ground truth as part of the R&D verification and validation process + Resolve highly complex and multi-dimensional problems requiring consideration of… more
    Leidos (09/26/25)
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  • Databricks Engineer

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' ... cyber capabilities to address emerging threats. Nightwing is seeking a Databricks Engineer to support the migration of customer applications, services and platforms… more
    Nightwing (09/18/25)
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  • Senior Autonomy Engineer

    Serco (Alexandria, VA)
    **Position Description** As the Senior AI and Autonomy/Swarm Engineer for the Technology Modernization Transition Review (TMTR) process with Serco, you will provide ... technical analysis and advice to inform capability requirements development and validation through the military requirements process. + Provide technical expertise… more
    Serco (09/10/25)
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  • Strategic Architecture Engineer

    Parsons Corporation (Fort Belvoir, VA)
    …related work + Working knowledge of design, interface, assessment, and validation /verification requirements from a Systems Engineering perspective + Familiarity ... technical, engineering, advisory, and management support. **Duties include:** + Provide Systems Engineering expertise and knowledge + Define and evaluate Missile… more
    Parsons Corporation (09/26/25)
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  • Project Engineer

    Sciolex Corporation (Chantilly, VA)
    Systems Modeler, Agile, Project Management, MBSE + Understand how system requirements, design, analysis, verification and validation activities are enabled ... that surpasses the epitome of excellence. Our core services include systems engineering technical advice, technical support, and administrative assistance. From our… more
    Sciolex Corporation (07/14/25)
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  • Performance Engineer

    Cognizant (Richmond, VA)
    **About the role** As a Performance Engineer , you will make an impact by driving performance optimization across complex application ecosystems. You will be a valued ... into CI/CD pipelines (eg, Jenkins, GitLab) to enable automated and continuous performance validation . . Execute load scenarios for specified work models and monitor … more
    Cognizant (09/24/25)
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