Member of Technical Staff - Infrastructure Engineer

Member of Technical Staff - Infrastructure Engineer Black Forest Labs Other Engineering, IT San Francisco, CA, USA Posted on Sep 18, 2025 Apply now Black Forest Labs is a cutting-edge startup pioneering generative image and video models. Our team, which invented Stable Diffusion, Stable Video Diffusion, and FLUX.1 , is currently looking for a strong candidate to join us in developing and maintaining our large GPU training clusters. Role & Responsibilities Design, deploy, and maintain large-scale ML training clusters running SLURM for distributed workload orchestration Implement comprehensive node health monitoring systems with automated failure detection and recovery workflows Partner with cloud and colocation providers to ensure cluster availability and performance Establish and enforce security best practices across the ML infrastructure stack (network, storage, compute) Build and maintain developer-facing tools and APIs that streamline ML workflows and improve researcher productivity Collaborate directly with ML research teams to translate computational requirements into infrastructure capabilities and capacity planning Required Experience Production experience managing SLURM clusters at scale, including job scheduling policies, resource allocation, and federation Hands-on experience with Docker, Enroot/Pyxis, or similar container runtimes in HPC environments Proven track record managingGPU clusters, including driver management and DCGM monitoring Preferred Qualifications Understanding of distributed training patterns, checkpointing strategies, and data pipeline optimization Experience with Kubernetes for containerized workloads, particularly for inference or mixed compute environments Experience with high-performance interconnects (InfiniBand, RoCE) and NCCL optimization for multi-node training Track record of managing 1000+ GPU training runs, with deep understanding of failure modes and recovery patterns Familiarity with high-performance storage solutions (VAST, blob storage) and their performance characteristics for ML workloads Experience running hybrid training/inference infrastructure with appropriate resource isolation Strong scripting skills (Python, Bash) and infrastructure-as-code experience Apply now See more open positions at Black Forest Labs