Site Reliability Engineer, Frontier Systems Infrastructure
About the Team The Frontier Systems team at OpenAI builds, launches, and supports the largest supercomputers in the world that OpenAI uses for its most cutting edge model training. We take data center designs, turn them into real, working systems and build any software needed for running large-scale frontier model trai
What this role actually needs.
Site Reliability Engineer, Frontier Systems Infrastructure at OpenAI in San Francisco. UpJobz keeps this listing high-signal for applicants targeting serious high-tech roles across the United States, Canada, and Mexico. About the Team The Frontier Systems team at OpenAI builds, launches, and supports the largest supercomputers in the world that OpenAI uses for its most cutting edge model training. We take data center designs, turn them into real, working systems and build any software needed for running large-scale frontier model trai
Day-to-day expectations
A clear list of the work this role is designed to cover.
- Spin up and scale large Kubernetes clusters, including automation for provisioning, bootstrapping, and cluster lifecycle management
- Build software abstractions that unify multiple clusters and present a seamless interface to training workloads
- Own node bring-up from bare metal through firmware upgrades, ensuring fast, repeatable deployment at massive scale
- Improve operational metrics such as reducing cluster restart times (e.g., from hours to minutes) and accelerating firmware or OS upgrade cycles
- Integrate networking and hardware health systems to deliver end-to-end reliability across servers, switches, and data center infrastructure
- Develop monitoring and observability systems to detect issues early and keep clusters stable under extreme load
What a strong candidate brings
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- Experience as an infrastructure, systems, or distributed systems engineer in large-scale or high-availability environments
- Strong knowledge of Kubernetes internals, cluster scaling patterns, and containerized workloads
- Proficiency in cloud infrastructure concepts (compute, networking, storage, security) and in automating cluster or data center operations
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Next moves
- Tailor your resume around ai and llm instead of sending a generic application.
- Use the first two bullets of your application to connect your background directly to site reliability engineer, frontier systems infrastructure is a high-signal on-site role in san francisco, and it is most realistic for united states residents.
- Open the role quickly if it fits and bookmark three similar jobs before you leave the page.
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- $255K - $490K is visible, so calibrate your application around the posted range.
- Use united states residents as part of your positioning so the recruiter does not have to infer it.
- Show concrete examples of succeeding in on-site environments.
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