• 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 Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …AI and empowering organizations to scale agentic experiences with confidence? As a Principal Applied Scientist in the Power Platform Managed Transformation Team, ... governance, and actionable insights. You'll collaborate with experts across governance, analytics , and platform services to drive innovation in Copilot and Copilot… more
    Microsoft Corporation (10/29/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …the future of AI-powered user experiences across multiple Microsoft platforms. As a ** Principal Applied Scientist ** , you will transform how M365 users conduct ... You'll also gain deep knowledge of building enterprise intelligence on office user's data . + You will review business requirements and incorporate research to meet… more
    Microsoft Corporation (10/31/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …advance the state-of-the-art in a way that benefits millions of people. As a ** Principal Applied Scientist ,** your core mission will be to deliver exciting ... time suggestions to enhance time management experience. Our work spans deep data science, large language model (LLM) integration, and telemetry-driven insights to… more
    Microsoft Corporation (11/01/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …right content at the right moment while upholding safety and integrity. As a ** Principal Applied Scientist ** , you'll lead the science behind Discover's ranking ... + **Scale E2E ML systems.** Collaborate with engineering on data contracts, feature stores, distributed training/inference, and automated rollout/rollback; drive… more
    Microsoft Corporation (10/29/25)
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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 - 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 Research Scientist - AI…

    Pacific Northwest National Laboratory (Seattle, WA)
    …leverage a strong technical foundation in power and energy systems and advanced data analytics to drive innovation, transform markets, and shape energy policy. ... **Responsibilities** We are seeking a forward-thinking Principal Research Scientist who is a thought leader in applying Artificial Intelligence (AI), including… more
    Pacific Northwest National Laboratory (11/01/25)
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  • Principal Applied Scientist , Agent…

    Microsoft Corporation (Redmond, WA)
    …self-improve AI agent performance. We are seeking a passionate and skilled Applied Scientist to join the Agent Observability R&D team to help integrate the latest ... techniques and product opportunities + Collaborate closely with backend engineers, data scientists, site reliability engineers (SREs), and product managers to gather… more
    Microsoft Corporation (10/01/25)
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