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Software Engineer, CI/CD & ML Infrastructure

OpenAI· Scaling
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Hybrid (San Francisco)$318k - $485kFull-timePosted 3w ago

About the role

Role focused on defining and building CI/CD systems for frontier models and software running on OpenAI’s custom AI accelerators, with emphasis on reliability, performance, and scalability across model workloads, accelerator software, systems infrastructure, and developer productivity.

Responsibilities

  • Define the model CI strategy for frontier models running on OpenAI custom silicon and integrated accelerator systems
  • Build production CI/CD pipelines for functional regression, performance benchmarking, software stability, and release qualification
  • Design representative test matrices across models, configurations, hardware generations, software components, and deployment environments
  • Create reliable performance baselines, regression detection, bisect and triage workflows, and clear ownership for failures
  • Establish GitOps practices for reproducible configuration, promotion, rollback, auditability, and environment consistency
  • Shape monorepo architecture, dependency management, build and test boundaries, change validation, and developer workflows at scale
  • Develop scalable orchestration, artifact management, caching, scheduling, observability, and capacity controls for accelerator-backed CI
  • Partner with model, compiler, kernel, runtime, firmware, validation, and hardware teams to translate release risks into automated gates
  • Improve CI reliability, speed, debuggability, and cost efficiency while maintaining high confidence in production software

Qualifications

  • Have built or operated large-scale CI/CD, developer infrastructure, test automation, or production engineering systems
  • Understand modern software delivery practices, including GitOps, release promotion, rollback, reproducibility, and policy-driven automation
  • Have experience designing monorepos, build systems, dependency graphs, test selection, or change-impact analysis
  • Can design regression and performance-benchmarking systems with stable baselines, useful metrics, and actionable failure diagnosis
  • Proficient in Python, Go, Rust, C++, or another language used to build reliable infrastructure and automation
  • Have worked with distributed systems, schedulers, containers, clusters, or heterogeneous compute infrastructure
  • Can collaborate with model and systems engineers to turn complex accelerator workloads into repeatable production qualification
  • Care deeply about reliability, observability, developer experience, and reducing time from code change to trustworthy signal

Skills

Required:CI/CD engineeringGitOpsMonorepo architectureAutomation scripting

Benefits

  • Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts
  • Pre-tax 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 additional paid coordinated company office closures, plus paid sick or safe time
  • Mental health and wellness support
  • Employer-paid basic life and disability coverage
  • Annual learning and development stipend
  • Daily meals in offices, and meal delivery credits
  • Relocation support for eligible employees
  • Additional taxable fringe benefits, such as charitable donation matching and wellness stipends
Last updated Oct 22, 2026. Interested? Apply on the company site.

About OpenAI

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