Senior InfiniBand & RoCE Network Architect (GPU Cloud)

Bitdeer Technologies Group; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Training and mentoring

Job summary

Bitdeer Technologies Group is hiring a senior data-center networking engineer in Singapore to lead InfiniBand and RoCE fabric initiatives for GPU clusters. You will deploy and operate Nvidia/Mellanox IB switches, configure QoS, and optimize performance across large-scale hardware.

You will work with telemetry and automation, develop runbooks, and partner with platform teams to predict and prevent faults in RDMA networks, contributing to Bitdeer’s edge in AI cloud and mining infrastructure.

Qualifications

• 5+ years in data center networking with 3+ years on InfiniBand or RoCE fabrics.
• Hands-on experience deploying and operating Nvidia/Mellanox InfiniBand switches at scale.
• Strong understanding of IB subnet management, partitioning, and QoS.
• Experience with RoCEv2 deployment including PFC, ECN, DCQCN configuration.
• Proficiency with UFM or equivalent IB fabric management tools.

Responsibilities

• Design, implement, and optimize InfiniBand/RoCE fabrics for large GPU clusters.
• Coordinate with Nvidia/Mellanox support for escalations and RMA.
• Monitor and tune IB/RoCE performance, including DCQCN/ECN and NCCL mapping.

Skills

Data center networking

InfiniBand

RoCE

NVIDIA/Mellanox IB

QoS

UFM

Telemetry-driven ops

NCCL mapping

Tools

ibdiagnet

perfquery

ibstat

Job description

Bitdeer Technologies Group is hiring a senior data-center networking engineer in Singapore to lead InfiniBand and RoCE fabric initiatives for GPU clusters. You will deploy and operate Nvidia/Mellanox IB switches, configure QoS, and optimize performance across large-scale hardware.

You will work with telemetry and automation, develop runbooks, and partner with platform teams to predict and prevent faults in RDMA networks, contributing to Bitdeer’s edge in AI cloud and mining infrastructure.