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Principal Architect

United States, Washington, Redmond💼 Full-time🗓 2026-08-24 → 2026-09-27

Core

Define and drive end-to-end architecture strategy to improve systems efficiency and reduce COGS for Copilot Tuning and Frontier Tuning.

Role type

Principal Architect (AI Infrastructure & Systems)

Builds

Scalable, reliable, and cost-efficient AI/ML platforms spanning model training, post-training, inference, serving, and orchestration.

Domain

Generative AI, Large Language Models, Cloud Infrastructure, Distributed Systems

Deliverable

production ML models | infrastructure

Required skills

Cloud-scale system design, AI/ML system architecture, GPU/accelerator optimization, distributed training, inference optimization, capacity planning, quantitative tradeoff analysis, cross-functional leadership, technical strategy, system documentation, mentorship

Preferred skills

Experience with reinforcement learning, fine-tuning, model serving platforms, platform capability development

Technologies

C, C++, C#, Java, JavaScript, Python, GPU/accelerators, distributed compute systems

Responsibilities

Lead cross-stack architectural investments, identify system optimizations, partner with research and engineering teams, establish efficiency metrics and governance, drive technical direction, translate business goals into architecture plans, document patterns and best practices, mentor senior technical talent

Seniority

Principal, strategy & mentorship

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