✦ Luna Orbit — AI & Machine Learning

Principal Machine Learning Engineer- Search Quality

at Snowflake

📍 US-CA-Menlo Park Unknown Posted March 07, 2026
Type Not Specified
Experience mid
Exp. Years Not specified
Education Not specified
Category AI & Machine Learning

This role leads the development and optimization of search relevance and quality at Snowflake, leveraging AI, NLP, and large-scale distributed systems to improve enterprise search capabilities.

  • Lead search quality initiatives
  • Develop ML models for ranking
  • Integrate NLP techniques
  • Optimize search infrastructure
  • Implement evaluation pipelines

The scope includes building and supporting large-scale search systems, integrating NLP and ML models, and implementing data-driven evaluation frameworks, with a focus on semantic and syntactic search techniques.

The ideal candidate is a senior machine learning engineer with extensive experience in search relevance, NLP, and large language models. They have a strong background in distributed systems, data-driven evaluation, and optimizing search quality at scale.

Search QualityInformation RetrievalNLPMLDistributed Systems
Learning to RankQuery UnderstandingPersonalized RankingVector-based SearchSemantic SearchSyntactic SearchEvaluation FrameworksA/B Testing
LuceneElasticsearchOpenSearchVector DatabasesNLP FrameworksML FrameworksDistributed Computing Platforms
Machine LearningSearch QualityInformation RetrievalNLPLarge Language ModelsLLMsVector DatabasesSemantic SearchSyntactic SearchRanking AlgorithmsEvaluation FrameworksA/B TestingData-DrivenDistributed ServicesSearch SystemsPythonJavaC++
Machine LearningSearch QualityInformation RetrievalNLPLarge Language ModelsLLMsVector DatabasesSemantic SearchSyntactic SearchRanking AlgorithmsEvaluation FrameworksA/B TestingData-Driven DevelopmentDistributed ServicesSearch SystemsPythonJavaC++
Analytical ThinkingProblem-solvingCollaborationInnovationTechnical Leadership
Industry Technology
Job Function Lead search quality and relevance engineering
Principal Machine Learning EngineerSearch QualityInformation RetrievalNLPLarge Language ModelsLLMsVector DatabasesSemantic SearchSyntactic SearchRanking AlgorithmsEvaluation FrameworksA/B TestingData-DrivenDistributed ServicesSearch SystemsPythonJavaC++MLDistributed SystemsLearning to RankQuery UnderstandingPersonalized RankingVector-based Search

Lack of experience with search systems or NLP, No experience with distributed services, Inability to work in a high-growth environment, No familiarity with LLMs or vector databases, Location outside US-CA

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