JobPosting
title: Principal Researcher, Office Product Group
description: We are building a high-impact AI engineering and applied science team within the Office Product Group to advance the next generation of intelligent, AI-powered experiences embedded directly into Microsoft 365 applications. As a Principal Researcher, you will contribute to the design, development, evaluation, and deployment of AI systems that can reason, take action, and work across tools, documents, and services. Responsibilities Support the development of frameworks that enable coordination and communication across multiple AI components, helping to facilitate task delegation, orchestration, and result validation scenarios. Apply and improve techniques for efficient code generation and transformation in low-resource environments, including adapting models to domain-specific languages, formulas, and structured or semi-structured data formats. Implement and iterate on fine-tuning and post-training approaches for large-scale machine learning models to enhance reliability, controllability, and readiness for production use. Contribute to the design and execution of evaluation strategies and benchmarks that reflect real-world Microsoft 365 user workflows, including participation in system-level and human-in-the-loop assessments. Collaborate with engineering and product management partners to help translate research ideas into scalable, production-ready features, with attention to user experience, performance, and responsible AI practices. Qualifications Bachelor’s Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research) OR Master’s Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years related experience (e.g., statistics, predictive analytics, research) OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ year…
date posted: 2026-08-01T14:55:56.599Z
valid through: 2026-09-30T14:55:56.599Z
direct apply: false
occupational category: Engineering
industry: Technology
skills: Statistics
skills: Econometrics
skills: Computer Science
skills: Electrical Engineering
skills: Predictive Analytics
skills: Research
skills: Machine Learning
skills: AI Engineering
skills: Applied Science
skills: Code Generation
skills: Model Fine-Tuning
hiring organization: Microsoft
  type: Organization
  ticker symbol: MSFT
  founding date: 1975
  number of employees: QuantitativeValue
    value: 228000
job location: Place
  address: PostalAddress
    address locality: Redmond
    address region: Washington
    address country: US
employment type: FULL_TIME
base salary: MonetaryAmount
  currency: USD
  value: QuantitativeValue
    min value: 142800
    max value: 274800
    unit text: YEAR