AI&
Member of Technical Staff - Networking
Japan (Hybrid)RemotePosted 27 days ago¥4,800,000 – ¥4,800,000
Full TimeSeniorRemoteJP
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Job Description
As a Network Engineer at ai&, you are the domain expert on the lossless networking fabrics that tie our GPU fleet together. AI at scale lives and dies on the network. Collective communication operatio
Key Highlights
- Lossless Fabric Design & Operations Design, deploy, and operate lossless networking fabrics across our data centers. Own RoCE v2 and InfiniBand (NDR/XDR) deployments end to end.
- NCCL & Interface Tuning Tune NCCL, NICs, and DPUs to guarantee maximum bandwidth and zero packet loss for distributed AI workloads. Own the performance of collective communication operations across the fleet.
- Network Architecture Design the network architecture for new data center deployments. Make topology, switch, and cabling decisions that scale from current clusters to future multi-site deployments.
- Performance Monitoring & Optimization Instrument the network for observability. Proactively identify and eliminate bottlenecks before they affect workloads. Own network performance benchmarks and drive continuous improvement.
- Cross-Team Collaboration Work closely with the systems, storage, and ML infrastructure teams to ensure the network fabric supports the demands of distributed training and inference at every scale.
Qualifications
Required Qualifications
- AI Networking Expertise Deep experience designing and operating lossless AI networking fabrics. You have worked with InfiniBand and RoCE v2 at scale and you understand the trade-offs between them.
- NCCL & Collective Communications Hands-on experience tuning NCCL for distributed AI workloads. You understand how collective communication patterns interact with network topology and you know how to optimize for both bandwidth and latency.
- NIC & DPU Proficiency Experience configuring and tuning high-performance NICs and DPUs from vendors including NVIDIA ConnectX and Bluefield series.
- Network Architecture Judgment You make network design decisions that hold up at scale. Fat-tree topologies, rail-optimized designs, congestion control — you have an informed view on all of it.
- Great Team Spirit A mission-driven approach to engineering, valuing clear communication, hands-on execution, and collective success over individual silos.
About the Company
AI&
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Job Details
Employment Type
Full Time
Experience Level
Senior
Salary Range
¥4,800,000 – ¥4,800,000
Location
Japan (Hybrid)
Work Mode
Remote
Posted
27 days ago
Country
JP