← All roles

Training - Runtime Foundations Engineer

OpenAI· Scaling
Apply on company site
Hybrid (San Francisco)$266k - $385k + equity + bonusFull-timePosted 7mo ago

About the role

Engineer role focused on building and optimizing the distributed runtime that powers large-scale AI training workloads, ensuring reliability, observability, and performance across massive clusters.

Responsibilities

  • Work across our Python and Rust stack
  • Design, build, and maintain software to orchestrate and monitor machine learning workloads on our largest supercomputers
  • Profile and optimize our software stack to support computation orchestration at frontier scale
  • Improve reliability, observability, and fault tolerance for long-running jobs
  • Debug complex distributed systems issues across large clusters
  • Respond to the changing shapes and needs of the ML systems to enable our researchers

Qualifications

  • Have experience developing distributed systems
  • Enjoy understanding how large systems behave and fail at scale
  • Love being both a developer and an operator
  • Care deeply about performance, correctness, and reliability
  • Have strong software engineering skills and are proficient in Rust or another systems programming language (e.g. C++)
  • Have solid Linux knowledge, and are comfortable with systems-level debugging, performance analysis, and memory profiling
  • Are comfortable and experienced in developing asynchronous and concurrent systems
  • Like high-ownership environments with light process and strong engineering agency

Skills

Required:Distributed systems engineeringRustPythonLinux / systems debuggingAsynchronous & concurrent programming
Nice to have:Performance & reliability

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
  • 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
Last updated Sep 10, 2026. Interested? Apply on the company site.

About OpenAI

ai-infrastructure-and-developmentliquid-ai-recruiting-targetllmsetter-30setter-30-2026-q1speech-to-texttext-to-speechvoice-ai-stack
Company profileWebsite

More open roles at OpenAI