Principal Data Scientist

Microsoft Microsoft · Big Tech · Redmond, WA +1 · Data Science

Principal Data Scientist role focused on applying advanced analytics and data science to solve complex business problems for Microsoft's strategic customers. The role involves shaping data science strategy, defining reusable patterns, and leading technical direction across engagements, with a strong emphasis on business understanding, data preparation, modeling, and evaluation in a customer-facing consulting and engineering context.

What you'd actually do

  1. Drives alignment between customer business priorities and data science strategy across complex engagements, solution areas, or industry scenarios.
  2. Defines the data readiness strategy for complex engagements by establishing expectations for data quality, fitness for purpose, lineage, governance, and ongoing maintainability.
  3. Defines modeling strategies for ambiguous, high-impact business problems and selects approaches that appropriately balance performance, interpretability, scalability, operational complexity, and risk.
  4. Defines evaluation frameworks that connect model performance, business impact, operational health, and responsible AI requirements.

Skills

Required

  • Python
  • R
  • T-SQL
  • KQL
  • machine learning
  • statistical methods
  • classification
  • regression
  • clustering
  • forecasting
  • natural language processing
  • computer vision
  • feature engineering
  • validation design
  • experimentation
  • optimization
  • evaluation
  • responsible AI

Nice to have

  • customer consulting
  • strategic influence
  • technical leadership
  • mentorship

What the JD emphasized

  • advanced analytics
  • data science

Other signals

  • influencing strategy for Microsoft’s most strategic customers
  • setting technical direction that others adopt
  • turn ambiguous business problems into durable, repeatable data science approaches
  • partner across engineering, architecture, and business teams to accelerate delivery quality, customer outcomes, and intellectual property (IP) creation