Solution Architect Cluster Design
Sesterce is a French sovereign AI infrastructure company operating AI factories, GPU cloud services, and AI inference infrastructure.
About Sesterce
Sesterce develops and operates European AI infrastructure spanning renewable-powered, liquid-cooled AI factories; high-performance GPU compute; the Sesterce OS control plane for cluster provisioning, training, inference, observability, and billing; and on-demand AI inference services. Its official site identifies facilities or cloud sites in Bosquel, Valence, and Paris, France.
Skills
About the Role
You are the technical bridge between Sesterce's infrastructure capabilities and the compute requirements of enterprise and hyperscale customers, translating AI workloads into precise cluster designs that infrastructure, network, and operations teams execute against.
Requirements
- 5+ years in HPC or AI infrastructure, with direct involvement in GPU cluster design or technical pre-sales
- Hands-on familiarity with NVIDIA Hopper and Blackwell GPU architectures, NVLink, NVSwitch, and multi-rail InfiniBand
- Ability to interpret AI workload performance profiles and map them to hardware
- Strong written communication
- Background at or with cloud providers, HPC centers, or AI infrastructure vendors is a strong plus
Responsibilities
- Engage with customers to understand workload profiles and translate them into cluster sizing and topology recommendations
- Produce cluster design documents covering GPU type, node count, InfiniBand topology, storage, and interconnect
- Define and validate performance benchmarks before customer commitment
- Collaborate with the Sesterce OS team to align Slurm and Kubernetes with topology and scheduling requirements
- Support commercial negotiations with BoM estimates, lead times, and technical risk assessments