✦ Luna Orbit — AI & Machine Learning

Principal Engineer, AI/ML

at CarMax

📍 2 Locations Hybrid Posted March 13, 2026
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Position Details

Type Full-Time
Experience senior
Exp. Years 7+ years
Education Bachelor's Degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience
Category AI & Machine Learning

About this role

This role involves leading the development and deployment of enterprise-scale Generative AI solutions, focusing on large language models and cloud integration to enhance customer use cases.

Key Responsibilities

  • Architect AI frameworks
  • Lead AI model development
  • Implement enterprise AI solutions
  • Collaborate with cross-functional teams
  • Stay updated on AI trends

Technical Overview

The technical environment includes AI frameworks, cloud platforms like Azure, and scripting in Python and Shell, with a focus on prompt engineering, fine-tuning, and retrieval techniques.

Ideal Candidate

The ideal candidate is a senior AI/ML engineer with extensive experience in Generative AI, large language models, and cloud deployment, particularly on Azure. They possess strong programming skills in Python and scripting, with a proven track record of architecting enterprise-scale AI solutions.

Must-Have Skills

Machine LearningPythonLarge Language ModelsGenerative AICloud computingSystems engineering

Nice-to-Have Skills

AzurePrompt engineeringFine-tuningDocument embeddingRetrievalEnterprise-scale deployment

Tools & Platforms

AzureCloud platformsAI frameworks

Required Skills

Generative AIMachine LearningLarge Language ModelsLLMsPythonShell scriptingPrompt engineeringFine-tuningDocument embeddingRetrievalAzureCloud computingSystems engineering

Hard Skills

Generative AIMachine LearningLarge Language ModelsLLMsPythonShell scriptingPrompt engineeringFine-tuningDocument embeddingRetrievalAzureCloud computingSystems engineering

Soft Skills

LeadershipCommunicationCross-functional collaborationStrategic thinkingMentoring

Industry & Role

Industry Retail / E-commerce / SaaS
Job Function Lead enterprise AI/ML development and deployment

Keywords for Your Resume

Principal EngineerGenerative AIMachine LearningLarge Language ModelsLLMsPythonShell scriptingPrompt engineeringFine-tuningDocument embeddingRetrievalAzureCloud computingSystems engineeringAI solutionsEnterprise AI

Deal Breakers

Lack of experience with Large Language Models, No experience with cloud platforms like Azure, Insufficient Python or scripting skills, No enterprise AI deployment experience

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