Microsoft
Senior Applied Scientist
$120K–$261K
Redmond, WA · On-site · Senior · Full-time · Posted Nov 3, 2026
- Experience
- Required: Bachelor’s + 4+ years, or master’s + 3+ years, or doctorate + 1+ year of related experience, or equivalent experience. Preferred: master’s + 6+ years or doctorate + 3+ years; 3+ years creating publications.
- Education
- Bachelor’s, master’s, or doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or a related field; or equivalent experience.
About the job
Develops and ships model-driven capabilities for Microsoft 365 Copilot, advancing its orchestrator, model training, and evaluation.
What you'll do
- Improve orchestrator reasoning, speed, and support for multimodal and agent-based capabilities.
- Advance model training through fine-tuning, reinforcement learning, data curation, and experimentation.
- Develop and deliver production features, including model evaluation, metrics, and A/B testing.
What they ask for
- Bachelor’s degree in a listed or related field and 4+ years of related experience; or master’s and 3+ years; or doctorate and 1+ year; or equivalent experience.
- Ability to meet Microsoft, customer, and/or government security screening requirements, including the Microsoft Cloud Background Check.
Nice to have
- Master’s degree and 6+ years of related experience, or doctorate and 3+ years, or equivalent experience.
- 3+ years creating publications, such as patents, libraries, or peer-reviewed academic papers.
Pay
USD $119,800 - $234,700 per year (base salary); USD $160,200 - $261,000 per year (base salary)
Tools
large language models (LLMs), Microsoft 365 Copilot, fine-tuning, reinforcement learning, A/B testing
AI focus
Advances LLM training and orchestrator reasoning, including multimodality and agent-based systems, and ships model-driven Copilot features.
Model-written summary · the original posting is authoritative