Host Systems Software Engineer

🕒 June 3

🏢🏡 San Francisco – Hybrid

💵 $266k - $445k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

🧑‍💻 Full-stack Engineer

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OpenAI

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2015

🤖 Artificial Intelligence

☁️ SaaS

🏢 Enterprise

Artificial Intelligence • SaaS • Enterprise

OpenAI is a leading research organization and company dedicated to creating advanced artificial intelligence technology, with a strong emphasis on safety and ethical considerations. OpenAI's mission is to ensure that artificial general intelligence (AGI) benefits all of humanity. The company develops AI products like ChatGPT, which can assist users with tasks ranging from everyday requests to complex enterprise solutions. OpenAI also provides an API platform that integrates its AI models into various applications. The company is focused on innovation in AI and improving data analysis capabilities, while emphasizing safety and ethical governance of their systems.

📋 Description

• Design, implement, and debug host-side systems software for AI infrastructure, including Linux kernel drivers and supporting userspace components. • Build and optimize software paths for high-throughput, low-latency communication, including RDMA and related networking functionality. • Develop software around PCIe, DMA, NICs, accelerators, memory movement, and device interaction. • Bring up new hardware platforms and diagnose complex issues across kernel, firmware, networking, and hardware boundaries. • Build tooling for integration, testing, diagnostics, observability, qualification, and performance characterization. • Collaborate with hardware, networking, and platform teams to define interfaces and integrate new capabilities. • Work with external vendors where needed to integrate technologies and drive issues to resolution. • Contribute across the systems software stack as the platform and team evolve. • Help shape the technical direction and engineering practices for a growing systems software stack.

🎯 Requirements

• Experience building low-level or performance-critical systems software. • Strong programming skills in C or C++, with proficiency using Python and Linux tooling for automation and debugging. • Strong Linux systems fundamentals and the ability to debug across hardware and software boundaries. • Hands-on experience in at least one relevant area, such as Linux kernel drivers, kernel networking, RDMA, PCIe, DMA, NIC software, accelerator software, or high-performance I/O. • Experience owning complex software projects from design through implementation, bring-up, and validation. • Ability to thrive in ambiguity, work across subsystem boundaries, and build systems from scratch. • Strong cross-functional communication skills. • Preferred Qualifications • Experience developing Linux kernel drivers or other OS-level performance-critical components. • Familiarity with RDMA or RoCE, ibverbs, kernel networking, or congestion-control concepts such as ECN and DCQCN. • Experience with PCIe, DMA, peer-to-peer communication, SR-IOV, IOMMU, dma-buf, or related accelerator and I/O subsystems. • Experience bringing up accelerators, NICs, SoCs, or custom hardware platforms. • Experience profiling and optimizing high-throughput, low-latency systems. • Familiarity with Rust or experience using Rust for systems programming.

🏖️ Benefits

• Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts • Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit) • 401(k) retirement plan with employer match • Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks) • Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees • 13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus paid sick or safe time (1 hour per 30 hours worked, or more, as required by applicable state or local law) • Mental health and wellness support • Employer-paid basic life and disability coverage • Annual learning and development stipend to fuel your professional growth • Daily meals in our offices, and meal delivery credits as eligible • Relocation support for eligible employees • Additional taxable fringe benefits, such as charitable donation matching and wellness stipends, may also be provided.