• Network Testing Lab Infrastructure Engineer

    CACI International (Sterling, VA)
    …of lab equipment and infrastructure to enable effective network testing and validation . **Responsibilities:** + Set up and configure network devices and testing ... environmental controls to support uninterrupted operations. This includes monitoring HVAC systems , power distributions systems and redundancy, and ensuring… more
    CACI International (10/24/25)
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  • AI/ML Solutions Development SME

    World Wide Technology (Chantilly, VA)
    …IT solutions that accelerate the interoperability and resiliency of mission-critical systems . **Place of Performance:** Chantilly, VA **What will you be doing?** ... Coach customers on the practical issues in machine learning systems such as feature extraction and feature definition, data... such as feature extraction and feature definition, data validation , monitoring, and management of features and models. +… more
    World Wide Technology (10/23/25)
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  • Facility Manager

    Cushman & Wakefield (Richmond, VA)
    …quote review, purchase orders, scheduling, on-site supervision, and performance validation . + Ensure all contracts are reviewed regularly, competitively bid ... safety standards are met or exceeded. + Understand critical systems and assets, their operational impact, and associated risks....corporate real estate. + Experience with CMMS, work order systems , and building management systems (BMS); Yardi… more
    Cushman & Wakefield (10/22/25)
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  • PostgreSQL Database Administrator

    Leidos (Ashburn, VA)
    …Sector within Leidos is seeking a PostgreSQL Database Administrator with strong systems , software, cloud, and Agile experience to support the Passenger Systems ... to architect, design, build, deliver, and enhance highly available, scalable, real-time systems . You will exercise your judgment in determining and recommending the… more
    Leidos (10/18/25)
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  • Sr Scientist - Bioanalytical - LCMS

    ThermoFisher Scientific (Richmond, VA)
    …and biopharmaceutical compounds in a variety of formulations and/or delivery systems . Understands and conforms to methods and protocols applicable to assigned ... and assists in troubleshooting instrument and analytical problems. + Assists with quality systems and new equipment. + Assists in designing method validation or… more
    ThermoFisher Scientific (10/04/25)
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  • Software Quality Assurance Specialist

    SAIC (Mclean, VA)
    …are identified and documented. The supported Customer provides state of the art systems on cloud and applications based on products such as AWS, Oracle, SharePoint, ... integration and regression testing. + Develop, perform and support post deployment validation of components. + Develop and maintain test plans and scripts to… more
    SAIC (09/24/25)
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  • Machine Learning Engineer

    Steampunk (Mclean, VA)
    …with cross-functional teams to integrate machine learning solutions into existing systems and workflows. + Optimize and fine-tune machine learning models for ... the effectiveness of machine learning models using appropriate metrics and validation techniques. + Document processes, experiments, and results to ensure… more
    Steampunk (09/23/25)
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  • Accountant II

    Fairfax County Sheriff's Office (Fairfax, VA)
    …accounting experience, including one year of experience working with automated accounting systems . CPA certification, or a master's degree in an appropriate field, ... financial requirements and compile related reporting. + Proficient at financial systems , producing customized reports, and data manipulation to create management… more
    Fairfax County Sheriff's Office (12/21/25)
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  • Open Security Controls Assessment Language (SME)…

    Koniag Government Services (Arlington, VA)
    Koniag IT Systems , a Koniag Government Services company **,** is seeking an Open Security Controls Assessment Language SME with an active TS/SCI to support KITS and ... TS/SCI security Clearance required. + Bachelor's degree in Cybersecurity, Information Systems , Computer Science, or related field (or equivalent work experience). +… more
    Koniag Government Services (12/21/25)
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  • AI Developer

    Guidehouse (Arlington, VA)
    …sources, and business processes. + Participate in scenario-based testing and model validation to ensure reliable and explainable outcomes. Collaboration + Work as ... and deployment + Proficiency in Python and experience building or integrating AI-based systems + Experience with key Generative AI system patterns, such as: + RAG… more
    Guidehouse (12/21/25)
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