Configure, operate, troubleshoot, and optimize RoCEv2 and InfiniBand lossless networks.
Perform in-depth RDMA performance tuning for distributed AI/ML workloads, including NCCL, MPI, and inter-GPU traffic.
Manage and optimize congestion control, ECN, PFC, QoS, and adaptive routing.
Troubleshoot communication bottlenecks caused by switches, NICs, DPUs, optical transceivers, firmware, and the Linux networking stack.
1.3 Cluster Integration & Performance ValidationWork closely with compute, storage, and data center teams to integrate and commission GPUs, NICs, DPUs, storage nodes, and related infrastructure.
Conduct network and cluster performance testing using tools such as ib_write_bw, iperf, NCCL test suites, and other benchmarking tools.
Establish performance baselines covering latency, bandwidth, packet loss, CRC errors, and other critical network metrics.
Support customer POCs, benchmark testing, technical validation, and production deployment.
1.4 Multi-Tenant Network ServicesImplement tenant isolation using VLAN, VRF, VXLAN/EVPN, and related data center networking technologies.
Design and deploy customer connectivity solutions including dedicated circuits, cloud interconnects, IPsec/VPN, and other secure access services.
Operate network services including firewalls, load balancers, DNS, DHCP, and out-of-band management.
Develop standardized deployment and onboarding templates to improve tenant provisioning efficiency.
1.5 Automation, Monitoring & OperationsDevelop network automation frameworks using Python/Go, Ansible, CI/CD, and Infrastructure as Code (IaC).
Implement Zero-Touch Provisioning (ZTP), configuration validation, automated deployment, and version rollback capabilities.
Build comprehensive telemetry and monitoring covering port status, optical power levels, congestion, RDMA metrics, and other critical infrastructure indicators.
Develop and maintain operational runbooks, escalation procedures, incident response processes, and Root Cause Analysis (RCA) templates.
Support 24×7 production operations and participate in on-call and emergency incident response.
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