Microsoft
Senior Applied Scientist
$120K–$261K
Redmond, WA +2 · On-site · Senior · Full-time · Posted Oct 21, 2026
- Location
- Redmond, WA
Mountain View, CA
New York, NY - Experience
- Required: 4+ years with a bachelor's degree, 3+ years with a master's degree, or 1+ year with a doctorate; or equivalent experience. Preferred qualifications include additional experience thresholds, including 2+ years building scalable ML systems and 2+ years with Python and ML frameworks.
- Education
- Bachelor's, master's, or doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field; or equivalent experience.
About the job
Develops methods, systems, and tooling to adapt, evaluate, and securely deploy foundation models for enterprise-specific needs.
What you'll do
- Design and evaluate foundation-model adaptation methods for enterprise tasks under latency, safety, privacy, policy, and compute constraints.
- Build or contribute to post-training methods, infrastructure, and tools for steering, evaluation, debugging, and model development.
- Work with research and engineering teams to turn product and customer requirements into scalable solutions; document approaches and support team members.
What they ask for
- Bachelor's degree in a listed or related field and 4+ years of related experience, or master's degree 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
- Experience with foundation-model training or adaptation, including reinforcement learning, post-training, scalable ML systems, evaluation, or enterprise deployment.
- 2+ years building scalable ML systems or pipelines and 2+ years with Python and machine learning frameworks (e.g., PyTorch or equivalent).
Pay
USD $119,800 - $234,700 per year (base salary); USD $160,200 - $261,000 per year (base salary)
Tools
Python, PyTorch, RLHF, RLAIF, LoRA
AI focus
Post-training and adaptation of foundation models, including reinforcement learning, fine-tuning, architectural and parameter-efficient adaptation, inference-time steering, evaluation, and secure enterprise deployment.
Model-written summary · the original posting is authoritative