Microsoft
Technology & SoftwareDirect employer career site

Principal Data Scientist Lead

Location
Redmond | United States, WA · On-site
Job type
Full-time
Level
Executive
Experience
15+ years
Education
Bachelor's degree
Listed
29 days ago

Skills & highlights for this role

  • U.S. citizenship verification
  • causal inference
  • experimental design
  • Python
  • R
  • SQL

Also useful

  • causal ML tooling
  • large-scale experimentation platforms
  • LLM evaluation
  • matplotlib
  • seaborn
  • plotly

About the role

Vision & Standards: You set the long-term vision and standards for experimentation, causal inference, and machine learning across the organization. High-Stakes Analysis: You drive the most complex, high-stakes analyses where correct causal identification is critical to strategic decisions. Frameworks: You architect scalable modeling and experimentation frameworks adopted across teams.

Executive Advisory: You advise executives and cross-functional leaders on measurement strategy and interpretation of results. Mentorship: You mentor senior data scientists and shape hiring and technical growth for the discipline. Excellence: You champion methodological excellence, reproducibility, and compelling data storytelling.

Bachelor's Degree in Computer Science, Information Technology (IT), or related field AND 10+ years technical support, technical consulting experience, or information technology experience These requirements include but are not limited to the following specialized security screenings: Citizenship & Citizenship Verification: This position requires verification of U.S. citizenship due to citizenship-based legal restrictions.

Specifically, this position supports United States federal, state, and/or local United States government agency customer and is subject to certain citizenship-based restrictions where required or permitted by applicable law. To meet this legal requirement, citizenship will be verified via a valid passport.

Bachelor's Degree in Computer Science, Information Technology, or related field AND 15+ years of technical support, technical consulting experience, or information technology experience OR equivalent experience. Authority in causal inference — able to design novel identification strategies and adjudicate hard causal questions. Deep statistical mastery — inference, uncertainty, experimental design, and modern statistical methods.

Expert ML skills — advanced modeling, validation, and production-grade deployment at scale. Deep experience evaluating LLMs and/or AI agents — defining evaluation strategy, novel benchmarks, and measurement standards for model and agent quality, safety, and reliability.

Data storytelling — setting the bar for communicating insight through compelling data stories and enhanced visualizations in Python (e.g., matplotlib, seaborn, plotly) or other tools. Demonstrated influence on company strategy through causal and statistical work. Deep experience with causal ML tooling and large-scale experimentation platforms. Expert proficiency in Python or R and SQL.

Read the original posting

From Microsoft's careers page, first listed on Rolev.ai on October 11, 2026. Rolev.ai is not the employer.

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Common questions

Where is the Principal Data Scientist Lead job at Microsoft located?

This Principal Data Scientist Lead position at Microsoft is located in Redmond | United States, WA (On-site). Always check Microsoft's application page for specific state eligibility or relocation policies.

What qualifications are required for Principal Data Scientist Lead at Microsoft?

For the Principal Data Scientist Lead role, Microsoft highlights 15+ years of relevant experience; a bachelor's degree; experience with causal inference, experimental design, Python, R, SQL. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Principal Data Scientist Lead position at Microsoft?

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