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Machine Learning Engineer, Assistant Quality

San Francisco, CA💼 Full-time💰 $180,000–$180,000🗓 2026-08-03 → 2026-09-26

Core

Build and improve ML and LLM-powered systems to raise the quality of Glean's AI Assistant and autonomous agents across real user workflows.

Role type

Senior IC machine learning engineer (LLM/agent quality)

Builds

Production AI Assistant and autonomous agent systems

Domain

Enterprise Work AI, LLM applications, agentic workflows

Deliverable

production ML models | product features

Required skills

LLM applications, NLP, search, retrieval, recommendations, evaluation frameworks, agent systems, personalization, experimentation, quality measurement, production iteration, Python, Go, Java, C++

Preferred skills

RAG, semantic search, post-training, reinforcement learning, agent orchestration

Responsibilities

Build and improve ML/LLM systems for assistant quality; Design evaluation, benchmarking, and monitoring loops; Develop signals, prompts, and workflows for reasoning and task completion; Partner with product and design to ship high-quality systems; Contribute to data and ML infrastructure for experimentation and continuous improvement

Seniority

Senior, hands-on IC

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