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Research Engineer / Research Scientist / AI Systems Engineer, RSI

San Francisco💼 Full-time🗓 2026-08-05 → 2026-09-26

Core

Design evaluations, build agent harnesses, and create experiment-orchestration systems to automate research workflows and accelerate AI model development.

Role type

Senior IC Research Engineer / Research Scientist (AI Systems)

Builds

Research agents, evaluation flywheels, sandboxed runtimes, and integrations for model training and deployment.

Domain

Artificial Intelligence / Large Language Models / Research Infrastructure

Deliverable

production ML models | product features | research

Required skills

LLM training, model evaluations, agent systems, synthetic data, large-scale distributed systems, data pipelines, tooling, scientific rigor, safety, privacy, reliability, performance, scale

Preferred skills

Generalist ability to move between open-ended research and practical implementation, experience with RL environments, economic modeling

Technologies

LLMs, RL environments, agent harnesses, sandboxed runtimes

Responsibilities

Design evaluations for research judgment and hypothesis testing; Turn research workflows and model failures into data flywheels; Improve model capabilities via agent harnesses and synthetic data; Build safe integrations between models and research infrastructure; Develop research agents and experiment-orchestration systems; Create metrics and economic models for research productivity and safety.

Seniority

Senior, hands-on IC

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