• Principal Applied Scientist - CoreAI

    Microsoft Corporation (Redmond, WA)
    …powering technologies like GitHub Copilot and Azure OpenAI. We are looking for a Principal Applied Scientist to join our team! **Responsibilities** In this role ... + Master's or PhD in Computer Science, Machine Learning, Data Science, or a related field. + 5+ years...experience in a research/ML engineering or an applied research scientist position, ideally with a focus on AI safety.… more
    Microsoft Corporation (10/31/25)
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  • Principal Applied Scientist , Agent…

    Microsoft Corporation (Redmond, WA)
    …empower users to make trustworthy science-informed decisions. We are looking for a Principal Applied Scientist , Agent Foundry (CoreAI) who is passionate about ... agents. We are seeking a passionate and skilled Applied Scientist to join the Agent Performance R&D team to...that meets key business objectives + Leverage and/or construct data and experimentation to rapidly iterate on and refine… more
    Microsoft Corporation (10/24/25)
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  • Principal Applied Scientist , AGI…

    Amazon (Seattle, WA)
    Description As a Principal Scientist within the Artificial General Intelligence (AGI) organization, you are a trusted part of the technical leadership. You bring ... to an executive level decision maker. Mentors and trains the research scientist community on complex technical issues. Experience developing software in traditional… more
    Amazon (10/04/25)
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  • Principal Applied Scientist - Sales…

    Microsoft Corporation (Redmond, WA)
    …pitch assets, follow‑ups, and safe CRM updates for our sales agents. As a ** Principal Applied Scientist ** , you will **define technical vision and lead the ... basis. The underlying system leverages **traditional machine learning** models for data -driven analysis and augments the delivery of insights with **agentic**… more
    Microsoft Corporation (10/29/25)
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  • Principal Research Scientist - AI…

    Pacific Northwest National Laboratory (Seattle, WA)
    …markets, and shape energy policy. **Responsibilities** We are seeking a forward-thinking Principal Research Scientist who is a thought leader in applying ... and human-in-the-loop decision-making for grid operators. + Serve as the principal investigator (PI) on complex, multi-disciplinary research projects funded by DOE,… more
    Pacific Northwest National Laboratory (11/01/25)
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  • Principal Applied Scientist

    Amazon (Bellevue, WA)
    …logistics through advanced AI and foundation models. We are seeking an exceptional Principal Applied Scientist to help develop innovative foundation models that ... solutions for dynamic real-world environments. Your team will leverage Amazon's vast data and computational resources to tackle ambitious problems across a diverse… more
    Amazon (09/12/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …Security products, turning cutting-edge research into dependable, production-ready capabilities. As a ** Principal Applied Scientist - Security AI Models** , you ... lead end-to-end model development for security scenarios, including privacy-aware data curation, continual pretraining, task-focused fine-tuning, reinforcement learning, and… more
    Microsoft Corporation (11/01/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …Security products, turning cutting-edge research into dependable, production-ready capabilities. As a ** Principal Applied Scientist - Security AI Models** , you ... lead end-to-end model development for security scenarios, including privacy-aware data curation, continual pretraining, task-focused fine-tuning, reinforcement learning, and… more
    Microsoft Corporation (11/01/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …models, and shipping impactful, model-driven experiences in Microsoft 365 Copilot. As a ** Principal Applied Scientist - Microsoft 365 Copilot** , you will: + ... post-training methods such as fine-tuning and reinforcement learning, high-quality data curation, and experimentation with frontier model training + Build… more
    Microsoft Corporation (10/29/25)
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  • Principal Scientist , Chemical…

    Pfizer (Bothell, WA)
    …drug-linker candidates that drive the next generation of targeted cancer therapy. As a Principal Scientist in CPAD, you will provide technical leadership to a ... chemistry by leveraging state-of-the-art technologies such as high-throughput experimentation, data -rich experimentation, catalysis, continuous processing, and predictive technologies. You… more
    Pfizer (11/12/25)
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