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AI Engineer 5 (FM Hosting, LLM Inference)

McLean, VA, US💼 Full-time💰 $229,900–$229,900🗓 2026-09-24 → 2026-09-26

Core

Design, develop, test, deploy, and support large-scale AI systems including foundation model training, LLM inference, multi-agent workflows, and multi-model orchestration pipelines for banking applications.

Role type

Senior IC AI Engineer (LLM Inference & System Optimization)

Builds

Scalable, high-performance AI infrastructure and proprietary solutions empowering teams across Capital One to enhance products with AI.

Domain

Financial Services / Large Language Models / Distributed Systems

Deliverable

production ML models

Required skills

LLM inference optimization, multi-model orchestration, foundation model training, vector search, system scalability, cost-performance governance, hardware/software optimization, Python, Go, CUDA, Java

Preferred skills

Agentic AI system design, heterogeneous AI system architecture, ethical AI deployment standards, dynamic inference strategies, model compression, right-sizing models and hardware

Technologies

AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, CUDA

Responsibilities

Design and implement multi-model orchestration pipelines integrating LLMs and vector search; Lead cost-performance governance reviews tracking GPU utilization and inference costs; Mentor Principal and Manager-level AI engineers; Contribute to the technical vision and long-term roadmap of foundational AI systems.

Seniority

Senior, hands-on IC with mentorship responsibilities

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