Sr. Engineer, AI & ML

CarMax • Richmond, VA

3d • $120,000 - $180,000 • Hybrid

About The Position

As a Sr. Engineer, AI & ML, you will play a pivotal role in designing and implementing advanced Generative AI solutions that elevate CarMax’s omni-channel customer experience. You will leverage expertise in large language models (LLMs), semantic search frameworks, and AI orchestration to deliver innovative, scalable applications. Your work will directly influence CarMax’s technology evolution, ensuring secure, high-performing AI systems that drive business impact.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
• 4+ years of experience in AI/ML, cloud computing, or systems engineering.
• Advanced proficiency in Python and scripting languages (e.g., shell scripts).
• Hands-on experience with Azure OpenAI Service and Azure AI Search.
• Expertise in LLMs, semantic search frameworks, and AI orchestration layers (e.g., Semantic Kernel).
• Experience with DevOps practices, CI/CD pipelines, and testing frameworks.
• Strong communication skills and ability to influence technical vision across teams.

Nice To Haves

• Master’s degree in Computer Science, Engineering, or related field.
• Experience integrating CI/CD pipelines for prompt engineering with feedback loops.
• Knowledge of advanced Generative AI development tools and frameworks for enterprise-scale applications.

Responsibilities

• Design, develop, and deploy Generative AI models, including LLMs and semantic search frameworks, for customer-facing solutions.
• Identify and address implementation challenges, providing creative, technically sound solutions.
• Build integrated monitoring systems to validate AI performance and ensure architecture integrity.
• Mentor engineers on best practices for Generative AI development and deployment.
• Review code for quality and adherence to clean coding standards.
• Collaborate on prompt engineering, testing, and evaluation using tools such as PromptFlow.
• Drive continuous improvement in AI architecture through innovation and stakeholder feedback.

Benefits

• Paid sick time
• Vacation time
• Paid holidays
• Floating holiday
• Holiday Premium Pay
• Paid time away with no specified limit as needed for sick, vacation, bereavement, jury duty, holidays, floating holiday, etc. subject to manager approval (for full-time salaried associates)

What This Job Offers

• Job Type: Full-time
• Career Level: Senior