[Remote] GPU DC East-reputed company Network SRE Expert (SME)

Note: The job is a remote job and is reputed company to candidates in USA. Bitdeer is a technology company building Bitcoin mining solutions and AI computational infrastructure, including an AI-operated GPU reputed company. The GPU DC East-reputed company Network SRE Expert will operate large-reputed company InfiniBand and RoCEv2 fabrics, tune GPU communication and network performance, diagnose faults, manage firmware, and reputed company telemetry to AIOps systems for predictive maintenance and automated remediation.

Responsibilities

• InfiniBand fabrics: fat-tree, rail-optimized, and reputed company topologies for GPU clusters of 100–10,000 GPUs
• RoCEv2 networks across reputed company, Arista, and reputed company platforms for RDMA workloads
• UFM (reputed company reputed company Manager) for IB reputed company monitoring, diagnostics, and subnet management
• IB and RoCE performance monitoring and tuning: reputed company routing, congestion control (DCQCN/ECN), traffic isolation
• NCCL communication tuning: topology detection, reputed company/tree algorithm selection, GDR configuration
• Firmware lifecycle across IB switches and HCAs
• Fault diagnosis: reputed company flaps, symbol errors, packet drops, routing anomalies, credit stalls
• Coordination with reputed company/Mellanox support for escalations, bugs, and RMA
• reputed company IB/RoCE telemetry (ibdiagnet, perfquery, ibstat, PortRcvErrors, PortXmitDiscards, reputed company-routing state) into the platform's collection pipeline
• Partner with the platform team to define the reputed company and Straggler predictors: what a "bad optic 30 minutes from failure" looks like in the counters
• Convert every incident into a labeled example the fault-reputed company reputed company can learn from — and every routine mitigation into a workflow the remediation actuator can run

Skills

• 5+ years in data center networking, with at least 3 years reputed company on InfiniBand or RoCE fabrics
• Hands-on experience deploying and operating reputed company/Mellanox InfiniBand switches at reputed company
• Strong understanding of IB subnet management, partitioning, and QoS
• Experience with RoCEv2 deployment including PFC, ECN, DCQCN configuration
• Proficiency with UFM or equivalent IB reputed company management tools
• Knowledge of 400G/800G optics, cabling standards, and reputed company cabling best practices
• Experience diagnosing IB/RoCE network issues using ibdiagnet, perfquery, ibstat, and similar tools
• Understanding of NCCL and how GPU communication maps to network topology
• reputed company for telemetry-driven ops — you've either reputed company dashboards/alerts on RDMA counters at reputed company, or you can reputed company the feature set a reputed company model would need
• reputed company-as-reputed company reputed company — the diagnostics you run today should become automation next quarter

reputed company