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Senior Principal Machine Learning Engineer

Microsoft

$163,000 - $331,200
Jul 31, 2025
Redmond, WA, US
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Microsoft is building a planet-scale multi-modal database from the ground up and needs a Senior Principal Machine Learning Engineer to lead and collaborate with a team of passionate engineers to drive ideas to impactful results in a fast-paced environment.

Requirements

  • Proven experience in training large-scale modern Machine Learning (ML) models (e.g., transformers, diffusion models, foundation models).
  • Hands-on experience in key model optimization techniques (e.g., mixed precision training, distributed training, fine-tuning, RLHF, LoRA).
  • Familiarity with model evaluation, data curation pipelines, and reproducible research practices.
  • Deep understanding of modern deep learning frameworks such as PyTorch or TensorFlow, and scalable training infrastructure.
  • First-author publication in top-tier machine learning conferences or journals (e.g., NeurIPS, ICML, ICLR, CVPR, ACL).
  • Bachelor's Degree in Computer Science, Machine Learning or Artificial Intelligence, or related field AND 8+ years related experience
  • Master's Degree in Computer Science, Machine Learning or Artificial Intelligence, or related field AND 6+ years related experience

Responsibilities

  • Develop and deploy scalable Machine Learning models.
  • Develop robust evaluation frameworks to assess model performance, conduct systematic benchmarking, and address identified weaknesses while ensuring compliance with customer standards.
  • Defines the vision and strategy for collaboration efforts between researchers and development teams at the individual product level.
  • Incorporates key business and product requirements to define a clear agenda and vision that influences the direction of the company/products and provides a competitive or strategic advantage.
  • Drives programs structured around the specificity of key business challenges.
  • Provides strategic direction for the kinds of data used to solve problems.
  • Embody our culture and values.

Other

  • Bachelor's Degree in Computer Science, Machine Learning or Artificial Intelligence, or related field AND 8+ years related experience
  • Master's Degree in Computer Science, Machine Learning or Artificial Intelligence, or related field AND 6+ years related experience
  • Doctorate in Computer Science, Machine Learning or Artificial Intelligence, or related field AND 5+ years related experience
  • Equivalent experience.
  • Embody our culture and values.