✦ Luna Orbit — AI & Machine Learning

Lead AI Engineer (AI Foundations, LLM Customization and Finetuning)

at Capital One Financial

📍 5 Locations Unknown 💰 $197K – $225K USD / year Posted March 18, 2026
Salary $197K – $225K USD / year
Type Full-Time
Experience lead
Exp. Years Not specified
Education Not specified
Category AI & Machine Learning

This role involves developing and optimizing large language models, building AI infrastructure, and ensuring responsible AI practices within a leading financial institution.

  • Partner with cross-functional teams to develop AI models
  • Design and support foundation model training
  • Optimize large language models for performance
  • Implement AI governance and observability
  • Contribute to AI research and infrastructure

The technical environment includes PyTorch, Huggingface, AWS Ultraclusters, VectorDBs, Nemo Guardrails, and open source AI tools, focusing on scalable AI model deployment and optimization.

The ideal candidate is a passionate AI engineer with experience in large language models, foundation model training, and AI infrastructure. They should have strong skills in PyTorch and open source AI tools, with a research-oriented mindset and a focus on responsible AI development.

Large Language ModelsFoundation Model TrainingPyTorchOpen Source AI TechnologiesAI Software Development
AWS UltraclustersHuggingfaceVectorDBsNemo GuardrailsModel Optimization TechniquesAI Infrastructure
AWS UltraclustersHuggingfaceVectorDBsNemo GuardrailsPyTorch
Large Language ModelsFoundation Model TrainingPyTorchHuggingfaceVectorDBsNemo GuardrailsAI infrastructureAI systemsResponsible AIModel Optimization
Large Language ModelsLLMFoundation Model TrainingLarge Language Model InferenceSimilarity SearchModel EvaluationExperimentationGovernanceObservabilityOpen Source AI TechnologiesSaaS AI TechnologiesAWS UltraclustersHuggingfaceVectorDBsNemo GuardrailsPyTorchAI Infrastructure
CollaborationProblem-solvingInnovationCommunicationTeamworkPassion for research
Industry Fintech, Banking
Job Function AI model development and infrastructure engineering
Role Subtype AI Engineer
Tech Domains Python, AI & Machine Learning, Open Source AI Technologies, AWS, PyTorch
Large Language ModelsLLMFoundation Model TrainingAI infrastructurePyTorchHuggingfaceVectorDBsNemo GuardrailsOpen Source AI TechnologiesSaaS AI TechnologiesModel OptimizationAI SystemsAI & Machine LearningScalabilityLatencyAI Software ComponentsAI ResearchAI EngineeringResponsible AIAI PlatformsAI Infrastructure

Lack of experience with large language models, No experience with PyTorch or open source AI tools, No research or AI infrastructure background

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