Principal Applied Scientist
Microsoft
Principal Applied Scientist
Microsoft
Builds workplace software, PCs and cloud services
As an applied scientist on this team, you’ll help set technical direction and build AI systems that run in production across the infrastructure behind Microsoft 365 and Copilot. You’ll work with large-scale operational data, current AI models, and engineers who know this infrastructure deeply, on problems that affect billions of users.
You will:
Build AI-driven automation, including agentic systems, that manages infrastructure capacity and health at runtime.
Develop models that detect anomalies and emerging issues in large-scale telemetry, often before they affect customers.
Build systems that perform automated root-cause analysis, reasoning across signals, logs, and dependencies to pinpoint why something went wrong.
Design automated mitigation that closes the loop from detection to resolution, reducing reliance on manual intervention.
Develop and scale forecasting models and pipelines that predict capacity needs across Microsoft 365 and Copilot.
Design machine learning and mathematical optimization models that improve the efficiency, reliability, and performance of our services.
Take ideas from prototype to production, turning research into durable systems the business depends on.
Work with engineering, product, and research teams to set priorities and deliver results.
Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:
Applied Sciences IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.
Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay
This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.
Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.
Microsoft builds workplace software, operating systems and cloud infrastructure for consumers, businesses and government agencies, from small organizations to global enterprises. Microsoft 365 combines Word and Excel with Teams communication and Copilot AI features, while Windows runs PCs and Surface supplies the company's own computers. Azure rents computing capacity, storage and databases to build and run web applications. Microsoft also sells Xbox consoles and games, collecting revenue through software licenses, subscriptions, usage charges and product sales. Founded in 1975 by Bill Gates and Paul Allen, Microsoft is headquartered in Redmond, Washington.
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