Frontier RL Research Engineer: Scale & Systems

United States Digital Space LLC is seeking a senior RL researcher to scale reinforcement learning systems from small results to frontier-scale runs. You will design and implement next-generation architectures and RL algorithms, diagnose scale-related behavior, and own end-to-end performance from research code to hardware. The role emphasizes building fast, reproducible experimentation infrastructure, evaluating throughput and cost implications, and collaborating across research and engineering