NOS Firmware Engineer for AI Supercomputers

OpenAI; California (MO); Hybrid; USD 180,000 - 280,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

OpenAI is seeking a Networking Operating System Firmware Engineer in San Francisco, CA to bootstrap and scale the switching layer of our AI supercomputers. You will design, implement, and test production NOS software across platform drivers, routing state, and ASIC programming while collaborating with hardware teams.

This is a hybrid role with 3 days in the office weekly and relocation assistance for new employees.

Qualifications

• Experience with SONiC or comparable NOS stacks such as FBOSS, Cumulus Linux, Arista EOS, Junos PFE-level integration, or equivalent platform software.

Responsibilities

• Design, develop, and maintain custom NOS images for large-scale AI fabrics using open source components from SONiC and FRR.
• Integrate, build and configure Linux kernel components, device drivers, switch ASIC SDKs, and SAI layers.
• Bring up new switch platforms including thermal, fan control, power monitoring, and transceiver management.
• Extend and customize NOS services for routing, telemetry, control-plane state, and automation.
• Implement and debug route, neighbor, next-hop, and ECMP programming flows from control-plane to ASIC state.

Skills

Networking

NOS internals

C/C++

Python

Go/Rust

Linux kernel

Performance debugging

Tools

SONiC

FRR

SAI

Broadcom SDKs

SDKs/ASICs

Job description

OpenAI is seeking a Networking Operating System Firmware Engineer in San Francisco, CA to bootstrap and scale the switching layer of our AI supercomputers. You will design, implement, and test production NOS software across platform drivers, routing state, and ASIC programming while collaborating with hardware teams.

This is a hybrid role with 3 days in the office weekly and relocation assistance for new employees.