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Member of Technical Staff - Pre-Training Infra

San Francisco, CA💼 Full-time🗓 2026-03-24 → 2026-09-26

Core

Build and scale distributed training systems to power frontier model pre-training for open foundation models.

Role type

Senior IC distributed training infrastructure engineer

Builds

Large-scale training runs and production-ready training systems for foundation models

Domain

AI/ML infrastructure, distributed systems, pre-training

Deliverable

production ML models

Required skills

distributed training systems, Megatron, DeepSpeed, large-scale model parallelism, GPU communication optimization, NCCL, debugging distributed stacks, training pipeline development

Preferred skills

experience with foundation model pre-training datasets, rapid experimentation workflows

Technologies

Megatron, DeepSpeed, NCCL

Responsibilities

Design and operate large-scale training runs, optimize training throughput and GPU utilization, debug performance bottlenecks in distributed stacks, build training pipelines for datasets and checkpointing, collaborate with researchers to productionize experimental ideas

Seniority

Senior, hands-on IC

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