Software Engineer, Core Network Engineering

Job summary

Responsibilities

We’re looking for engineers to help build and operate the networking foundation behind OpenAI’s frontier AI systems.

• Design, build, and operate networking systems that support large-scale AI training and inference infrastructure
• Improve performance, reliability, and scalability across host networking, datacenter fabrics, and WAN systems
• Develop automation for provisioning, configuration management, validation, upgrades, and lifecycle management of networking infrastructure
• Build tooling and observability systems for network health, performance analysis, debugging, and automated remediation
• Optimize network performance across technologies such as RDMA, RoCE, InfiniBand, Ethernet, and high-performance GPU interconnects

Tech stack

• C++
• Python