• Principal Security Research

    Microsoft Corporation (Redmond, WA)
    …Microsoft Threat Protection Security Research organization is seeking a ** Principal Security Research Manager** to oversee our global enterprise ... you will oversee a globally distributed team focused on delivering world-class customer-facing security research and support for enterprise email security .… more
    Microsoft Corporation (10/29/25)
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  • Principal Security Engineer

    Microsoft Corporation (Redmond, WA)
    …real-world threats, ensuring the security and resilience of Microsoft. As a Principal Security Engineer you will lead operations and collaborate with other ... devices, and clouds in our customers' heterogeneous environments, as well as ensuring the security of our own internal estate. Our culture is centered on embracing a… more
    Microsoft Corporation (10/31/25)
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  • Principal Applied Scientist…

    Microsoft Corporation (Redmond, WA)
    …engines that power Microsoft Security products, turning cutting-edge research into dependable, production-ready capabilities. As a ** Principal Applied ... Security represents the most critical priorities for our...AND 8+ years related experience (eg, statistics, predictive analytics, research ) + OR Master's Degree in Statistics, Econometrics, Computer… more
    Microsoft Corporation (11/01/25)
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  • Principal Applied Scientist…

    Microsoft Corporation (Redmond, WA)
    …engines that power Microsoft Security products, turning cutting-edge research into dependable, production-ready capabilities. As a ** Principal Applied ... Security represents the most critical priorities for our...AND 6+ years related experience (eg, statistics, predictive analytics, research ) + OR Master's Degree in Statistics, Econometrics, Computer… more
    Microsoft Corporation (11/01/25)
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  • Principal Security Researcher

    Microsoft Corporation (Redmond, WA)
    security architectures. + Experience in classical and deep learning machine learning methods. Security Research IC5 - The typical base pay range for this role ... language models or machine learning. + 1+ years leading security initiatives and publishing research . + 1+...1+ years leading security initiatives and publishing research . + 1+ years mentoring and guiding researchers. **Other… more
    Microsoft Corporation (11/01/25)
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  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    We are seeking a hands-on ** Principal Software Engineer** ( Security ) with deep expertise in artificial intelligence security to take the lead in securing ... engineering, grounding techniques, when fine-tuning models is needed). While browser security domain knowledge is desirable, experience and expertise of AI… more
    Microsoft Corporation (10/30/25)
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  • Principal Researcher

    Microsoft Corporation (Redmond, WA)
    …opportunity to turn ideas into reality with real-world impact at Microsoft scale. As ** Principal Researcher ** you will have the opportunity to design and lead ... Operating as a startup within the company, this team works closely with several research and product teams to bring compelling new experiences to the market. A lot… more
    Microsoft Corporation (10/25/25)
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  • Principal Researcher - CoreAI

    Microsoft Corporation (Redmond, WA)
    …Rho-1, Florence, and the open-source Phi models. We are looking for a ** Principal Researcher - CoreAI** with significant experience in large-scale model ... In addition, the team employs various fine-tuning approaches to support both research and product development. The team also develops advanced AI technologies that… more
    Microsoft Corporation (10/02/25)
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  • Principal Researcher

    Microsoft Corporation (Redmond, WA)
    …the cusp of an accelerated effort in quantum computing. We are looking for a ** Principal Researcher ** . This position offers an opportunity to have a meaningful ... influence on a revolutionary technology. The research and development effort includes a diverse staff of...Requirements:** + Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These… more
    Microsoft Corporation (10/28/25)
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  • Senior Researcher and Principal

    Microsoft Corporation (Redmond, WA)
    …model) experience in the enterprise. We are seeking **Senior Researchers and Principal Researchers** **(Multiple positions)** with stellar research and system ... **Senior Researchers and Principal Researchers (Multiple Positions) - Copilot Tuning** Copilot...machine learning solutions given product requirements. + Brings a research project to successful completion yielding new algorithms, prototypes,… more
    Microsoft Corporation (11/01/25)
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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 ... resilience, and security of the electrical grid. + Operationalizing AI research and development for the purposes of ensuring national and economic security more
    Pacific Northwest National Laboratory (11/01/25)
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  • Principal Research Scientist

    Microsoft Corporation (Redmond, WA)
    …Studio, Github.com and Azure. We are seeking an entrepreneurial and creative ** Principal Research Scientist** to lead cutting-edge projects from concept to ... role, you will collaborate with scientists, engineers, and designers across Microsoft Research , Microsoft product teams, and GitHub. You will have the opportunity to… more
    Microsoft Corporation (10/29/25)
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  • Principal Software Engineer - MAI Data,…

    Microsoft Corporation (Redmond, WA)
    …have true artificial intelligence across agents, applications, services, and infrastructure. Security Engineering for Copilot is focused on building and securing ... that would otherwise be too scary/risky to do. We are looking for a ** Principal Software Engineer** to identify areas of risk and opportunity, then design and build… 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 Deep ... Research by finetuning LLMs, chain of thought techniques, intelligent...through agent orchestration. These innovations will enhance M365 Chat, Researcher agent, Windows Companions, or highly personalized search and… more
    Microsoft Corporation (10/31/25)
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  • Principal Data Scientist - Deepfake…

    Microsoft Corporation (Redmond, WA)
    research ). + OR equivalent experience. + 3+ years experience in applied security research or ML for audio/video analysis, biometrics, signal processing, media ... Security represents the most critical priorities for our...of lives around the world. We are seeking a ** Principal Data Scientist** with expertise in audio/video (A/V) analysis,… more
    Microsoft Corporation (10/31/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …filled with digital threats, regulatory scrutiny, and estate complexity. The Microsoft Security Social Engineering Research Team is dedicated to defending ... Security represents the most critical priorities for our...around the world. Are you passionate about leveraging cutting-edge research to tackle real-time threats? Join our team as… more
    Microsoft Corporation (10/29/25)
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  • Principal AI Applied Scientist

    Microsoft Corporation (Redmond, WA)
    As a ** Principal AI Applied Scientist** for The Customer Service Applications Team, you will play a pivotal role in advancing Microsoft's mission to empower every ... inclusive, ethical, and impactful. You will collaborate across product, research and engineering teams to bring innovative solutions to...to drive real-world outcomes. We are looking for an ** Principal AI Applied Scientist** to join our team! This… more
    Microsoft Corporation (11/01/25)
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  • Principal AI Applied Scientist

    Microsoft Corporation (Redmond, WA)
    As a Principal AI Applied Scientist for The Customer Service Applications Team, you will play a pivotal role in advancing Microsoft's mission to empower every ... inclusive, ethical, and impactful. You will collaborate across product, research and engineering teams to bring innovative solutions to...to drive real-world outcomes. We are looking for a Principal AI Applied Scientist to join our team This… more
    Microsoft Corporation (10/30/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    The Business and Industry Solutions (BIS) team is looking for a ** Principal Applied Scientist** . Do you want to shape the future of the autonomous enterprise and ... operate? The Business and Industry Solutions (BIS) team is looking for a Principal Applied Scientist to drive innovation at the intersection of AI, experimentation,… more
    Microsoft Corporation (11/01/25)
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  • Principal AI Engineer

    Microsoft Corporation (Redmond, WA)
    …that impact billions of lives around the world. NEXT is the incubation and research arm of Microsoft Security AI (MSECAI), building the next generation of ... Security represents the most critical priorities for our...protecting millions of customers. We are looking for a Principal AI Engineer for our team. In this role,… more
    Microsoft Corporation (11/01/25)
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