OpenAI is hiring an AI Infrastructure Engineer, pAGI in California. The position is full-time and hybrid, with some days on site and some from home. Pay for this role is set at $266,000 to $500,000 a year, according to the posting.
OpenAI describes the job as follows.
pAGI Infra team builds and operates the systems that make large-scale model training and evaluation reliable, efficient, and easy to run. Our work spans distributed training infrastructure, inference and grading platforms, compute scheduling, and research tooling. We partner closely with researchers and engineering teams to turn new research needs into dependable infrastructure, improve GPU efficiency, and shorten the path from an experiment to a validated model.
Weβre looking for an AI Systems Engineer to help scale the infrastructure behind our training and evaluation workflows. Youβll own projects from identifying bottlenecks and designing solutions through deployment and operation. The work combines distributed systems engineering, performance optimization, and close collaboration with researchers. You might build a shared grading service, improve resource allocation across workloads, or bring a new training stack into production - directly improving how quickly and reliably research moves forward.
Build and operate infrastructure for large-scale training and evaluation, improving reliability, throughput, and resource efficiency.
Develop shared inference and grading platforms with automated capacity management, health monitoring, and visibility into performance.
Improve compute scheduling and resource allocation to reduce idle GPU time and help workloads recover quickly from failures.
Diagnose bottlenecks across training, inference, and orchestration, and work across teams to improve end-to-end performance.
Build self-service tools, automated validation, and observability that help researchers launch experiments, diagnose issues, and compare results with less manual intervention.
Are excited about the potential of personal AGI and want to build the infrastructure that enables it.
Have strong software engineering fundamentals and experience building or operating large-scale distributed systems.
Have experience in ML infrastructure, inference systems, GPU performance, or infrastructure tooling.
Are highly self-motivated and comfortable taking ownership of open-ended problems.
Enjoy debugging across system boundaries and using measurements to guide improvements in performance and reliability.
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 OpenAIβs 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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OpenAI advertises $266,000 to $500,000 a year for this role.
It is hybrid. You would work partly from home and partly from the office in California.
Use the apply button on this page. It takes you to OpenAI's own application form, so your CV goes directly to their hiring team.
OpenAI published the role on September 14, 2026. We check the employer's job board every day and take this page down when the role closes, so if you can read it, the job was still listed at our last check.
Source: OpenAI careers page (jobs.ashbyhq.com). Applications go straight to the employer. We check the listing daily and remove it once it closes.
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Industry: Technology
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