Sr. AI Infrastructure Engineer, LLM/AI Platforms (Remote)

Design, build, and deploy AI infrastructure that powers large-scale training, fine-tuning, and inference for LLM-based security products. Provision GPU clusters, optimize model-serving frameworks, and lead model lifecycle management (versioning, checkpointing, reproducibility). Architect data platforms for LLMs, RAG, and agentic systems, define robust evaluation and MLOps/DataOps practices, and mentor engineers to deliver production-ready, performance-focused systems.