Member of Technical Staff - Pre-Training Infra

OUR MISSION Reflection is a research lab making intelligence open and accessible for everyone to use, customize, and build on. We build open models that let anyone control their intelligence and help shape the future of AI. Our mission: make intelligence open and accessible to all. ABOUT THE ROLE - Build and scale distributed training systems that power frontier model pre-training. - Work closely with research teams to design and operate large-scale training runs for foundation models. - Develop infrastructure that enables efficient training across thousands of GPUs using modern…