Linux Kernels Software Engineer

About the Team
The Scaling team builds and optimizes large-scale infrastructure to enable next-generation AI workloads.

About the Role
We’re looking for a founding/lead Linux kernel developer to join our Scaling team. In this role, you’ll design and develop Linux kernel components, working at the intersection of hardware and software to unlock performance at scale.

Responsibilities

• Lead and bootstrap the development of our Linux kernel stack to support high-performance systems.

• Design and implement kernel drivers, including for functionality related to DMA, PCIe, NICs, and RDMA.

• Drive end-to-end development of system-scale networking, including required kernel and other low-level software.

• Collaborate with vendors to integrate their technologies within our systems.

• Bring up and debug the kernel on new platforms.

• Build userspace software to support integration, testing, diagnostics, and performance validation.

Qualifications

• Proven experience leading development within the Linux kernel.

• Deep knowledge of subsystems relevant to high-performance systems: PCIe, dma-buf, RDMA, P2P, SR-IOV, IOMMU, etc.

• Knowledge of subsystems and frameworks related to scale-out networking: ibverbs, ECN/DCQCN, etc.

• Strong programming skills in C, C++, Python, and Linux shell scripting; Rust experience is a strong plus.

• Experience working directly with engineering teams to define interfaces and tooling.

• Track record of managing vendor deliverables and technical relationships.

• Background in embedded systems development (bootloaders, drivers, hardware/software integration).

• Ability to thrive in ambiguity and build systems from scratch.

To comply with U.S. export control laws and regulations, candidates for this role may need to meet certain legal status requirements as provided in those laws and regulations.

About OpenAI

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. 

We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic.

For additional information, please see OpenAI’s Affirmative Action and Equal Employment Opportunity Policy Statement.

Background checks for applicants will be administered in accordance with applicable law, and qualified applicants with arrest or conviction records will be considered for employment consistent with those laws, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act, for US-based candidates. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations.

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