Sr. GPU Cloud East-West Network Expert (SRE SME)

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Описание

About Bitdeer: Bitdeer is a world-leading technology company for Bitcoin mining and AI cloud. Bitdeer is committed to providing comprehensive Bitcoin mining solutions for its customers. Apart from designing industry-leading ASIC chips and manufacturing mining rigs, the Group handles complex processes involved in computing across the value chain. This includes equipment procurement, transport logistics, datacenter design and construction, equipment management, and network and facility operations. Bitdeer also offers advanced cloud capabilities to customers with a high demand for artificial intelligence. Headquartered in Singapore, Bitdeer operates globally with a diversified 3 GW energy portfolio, and deploys Bitcoin mining and HPC datacenters in the United States, Bhutan, Norway, Canada, Malaysia, and Ethiopia. What you will be responsible for: Xxxxxxx InfiniBand fabrics: fat-tree, rail-optimized, and dragonfly topologies for GPU clusters of 100–10,000 GPUs. RoCEv2 networks across Nvidia, Arista, and Cisco platforms for RDMA workloads. UFM (Unified Fabric Manager) for IB fabric monitoring, diagnostics, and subnet management. IB and RoCE performance monitoring and tuning: adaptive routing, congestion control (DCQCN/ECN), traffic isolation. NCCL communication tuning: topology detection, ring/tree algorithm selection, GDR configuration. Firmware lifecycle across IB switches and HCAs. Fault diagnosis: link flaps, symbol errors, packet drops, routing anomalies, credit stalls. Coor

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