Microsoft
Principal Data Scientist Lead
$131K–$304K
Redmond, WA +3 · On-site · Principal · Full-time · Posted Aug 6, 2026
- Location
- Redmond, WA
Charlotte, NC
Irving, TX
Fargo, ND - Experience
- 10+ years required; 15+ years preferred, with equivalent experience accepted.
- Education
- Bachelor's Degree in Computer Science, Information Technology (IT), or related field, or equivalent experience.
- Visa sponsorship
- U.S. citizenship is required and will be verified via a valid passport.
About the job
Sets organization-wide standards for experimentation, causal inference, and machine learning, leads high-stakes analyses, advises executives, and mentors data scientists.
What you'll do
- Set long-term standards for experimentation, causal inference, and machine learning; architect frameworks adopted across teams.
- Lead complex analyses and advise executives on measurement strategy and results.
- Mentor senior data scientists and champion methodological excellence, reproducibility, and data storytelling.
What they ask for
- Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent experience.
- 10+ years of technical support, technical consulting, or information technology experience, or equivalent experience.
- Meet required security screenings; U.S. citizenship verification is required for this role.
Nice to have
- Authority in causal inference, deep statistical mastery, and expert machine-learning skills.
- Experience evaluating LLMs and/or AI agents; proficiency in Python or R and SQL.
Pay
USD $130,900 - $277,200 per year (base salary); USD $165,600 - $303,600 per year (base salary)
Tools
Python, R, SQL, matplotlib, seaborn, plotly
AI focus
Applies machine learning and evaluates LLMs and/or AI agents, including measurement of model and agent quality, safety, and reliability.
Model-written summary · the original posting is authoritative