Cloud Network / SDN Engineer

About Bitdeer Technologies Group Bitdeer is a world-leading technology company for AI and Bitcoin mining infrastructure. Bitdeer is committed to providing comprehensive Bitcoin mining solutions for its customers and building AI computational infrastructure to support the AI revolution. Bitdeer handles complex processes involved in computing such as equipment procurement, transport logistics, data center design and construction, equipment management, and daily operations. Bitdeer also offers advanced cloud capabilities to customers with high demand for artificial intelligence. Headquartered in Singapore, Bitdeer has deployed data centers across multiple countries, including the United States, Norway, Bhutan, and Ethiopia. To learn more, visit https://ir.bitdeer.com/ Position Overview We are reinforcing the network team that underpins a multi-tenant, multi-region GPU cloud at 10,000+ GPU scale. You will design and operate tenant network isolation and high-performance GPU interconnect, ensuring low-latency, lossless fabrics for distributed AI training alongside secure multi-tenancy. Key Responsibilities - Design, operate, and troubleshoot multi-tenant SDN: tenant isolation, VPC / overlay networking, and east-west / north-south traffic. - Build and tune high-performance GPU interconnect fabrics (InfiniBand / RoCE) for distributed training, including lossless config and congestion control (PFC / ECN). - Plan and operate cross-region interconnect and routing. - Lead network change management and fast fault localization to minimize tenant impact. - Partner with Compute and Control Plane teams on network-provisioning automation. - Define network architecture standards, security boundaries, and observability. Job Requirement: - 6+ years in datacenter / cloud networking or SDN. - Deep expertise in multi-tenant isolation, overlays (VXLAN / EVPN), and L2 / L3 design. - Hands-on with high-performance fabrics: InfiniBand and / or RoCE, RDMA — strongly preferred for GPU / HPC clusters. - Experience with SDN controllers and network automation. - Strong troubleshooting / fault-localization under production load. - Multi-region network design experience a plus. -------------------------------------------------------------------- Bitdeer is committed to providing equal employment opportunities in accordance with country, state, and local laws. Bitdeer does not discriminate against employees or applicants based on conditions such as race, color, gender identity and/or expression, sexual orientation, marital and/or parental status, religion, political opinion, nationality, ethnic background or social origin, social status, disability, age, indigenous status, and union.