OpenAI

OpenAI

OpenAI is seeking a Software Engineer to join the Scaling team, which builds the architectural and engineering backbone for the company's infrastructure. This role focuses on enabling production workloads and end-to-end testing on new platforms. You will be responsible for creating test harnesses, developing platform stress benchmarks, and porting existing AI model training and inference workloads to new systems and hardware. A key aspect of this position involves analyzing performance, identifying bottlenecks, and characterizing the behavior of new compute, communication, storage, and control plane systems, including their failure modes.

OpenAI

We are seeking applied AI engineers to transform Codex agents from impressive demonstrations into dependable tools. This role focuses on enhancing agent performance for real-world software engineering tasks, bridging the gap between research capabilities and practical usefulness. You will collaborate closely with research, infrastructure, and product teams to ensure agents are powerful, steerable, and reliable. The objective is to achieve measurable improvements in solve rates, usefulness, and economic value for users by refining model behavior and system integration.

OpenAI

We are seeking engineers to build the core infrastructure that powers Codex agents in production. This role involves designing and operating systems for sandboxed execution, orchestration, stateful workflows, and reliable, efficient operation at scale. You will work at the intersection of distributed systems, developer tooling, and AI, building primitives that enhance the speed, safety, reliability, and ease of use of Codex for the organization.

OpenAI

OpenAI's Applied AI Engineering team partners with leading organizations to design, build, and deploy AI systems that deliver measurable business outcomes. This role involves combining deep technical judgment, hands-on engineering, and customer leadership to take ambitious ideas from use-case selection and architecture through prototyping, evaluation, production launch, and scale. You will write and debug code, build evaluation systems, resolve complex integrations, and guide decisions involving model behavior, reliability, latency, cost, safety, security, governance, and operational readiness. Success is measured by production systems, sustained adoption, and meaningful customer impact. This is a rare opportunity to work on consequential real-world deployments at the frontier of AI while directly influencing how OpenAI’s products evolve.

OpenAI

OpenAI's Hardware organization is developing next-generation AI-native silicon and system-level solutions tailored for advanced AI workloads. As an Engineer on our hardware optimization and co-design team, you will collaborate with vendors to co-design future hardware for programmability and performance. You will work closely with kernel, compiler, and machine learning engineers to understand their needs regarding ML techniques, algorithms, and programming expressivity. Your role will involve evangelizing these constraints to vendors to influence future hardware architectures for efficient AI model training and inference, and optimizing large language models across devices, networking bottlenecks, and compute pipelines.

OpenAI

OpenAI's Internationalization team is seeking a Senior Software Engineer to build the systems that power localization and international product launches. This role involves working on the platform that manages product content, translation workflows, and localization infrastructure across all OpenAI products. It sits at the intersection of AI systems, developer platforms, and product infrastructure, aiming to ensure OpenAI products work seamlessly across languages, regions, and cultures.

OpenAI

As a Machine Learning Engineer in OpenAI's Integrity team, you will work on state-of-the-art models and classifiers, experiment with new architectures and approaches, and advance our capabilities in content and user understanding. This role offers the chance to transform research breakthroughs into tangible solutions that enhance the trust and safety of our platform, with a focus on training LLMs and building ML models. You will be instrumental in designing and deploying advanced machine learning models to solve real-world problems, bringing OpenAI's research from concept to implementation and creating AI-driven applications with direct impact.

OpenAI

OpenAI is seeking an Engineering Manager to lead the Online Data Systems team, which is responsible for building and operating the company's in-house database and indexing technology. This role involves guiding a team of engineers focused on hyperscale data storage and retrieval, crucial for supporting production AI applications like ChatGPT and Codex. The position offers the opportunity to shape the future of large-scale data infrastructure, moving beyond minor optimizations to make significant contributions to the company's technological direction.

OpenAI

OpenAI is seeking a Data Scientist to join the Preparedness team, a critical part of the Safety Systems organization. This role focuses on building, evaluating, and improving mitigations to prevent extreme harms from AI systems. You will go beyond standard evaluations to create intelligence and monitoring systems that enable early issue detection, measure mitigation effectiveness, and reduce both over-blocking and under-blocking of harmful content. This is a fast-paced, impactful role for an experienced, autonomous individual contributor who can structure rigorous analyses and translate findings into actionable product and policy changes.

OpenAI

OpenAI's API team is responsible for the infrastructure and product layers that enable millions of developers to integrate AI models, fine-tune behavior, manage data, and deliver experiences to their users. As the Agents Product Manager for the API team, you will define and guide the future of how developers build agentic applications on top of our AI models. You will set clear priorities and drive impactful improvements to model capabilities, balancing user needs, safety considerations, and technical innovation. This role is ideal for a proactive, technically adept PM who thrives on solving challenging, ambiguous problems through structured product thinking and close collaboration with customers, engineers, and researchers.

OpenAI

We are seeking dedicated, experienced, and deeply curious individuals to help solve some of the most complex challenges faced by our customers while building the future of post-AGI support. In this role, you will work directly with customers through support tickets and live calls, troubleshooting high-impact issues and resolving novel, often ambiguous technical problems in one of the fastest-moving environments in technology. As AI adoption rapidly accelerates, your work will directly support mission-critical systems being built on OpenAI’s platform, serving as a critical line of defense for customers operating at massive scale. Beyond resolving technical issues, you will help define what world-class support looks like in an AGI-driven future. You will partner closely with Engineering, Product, and Operations to improve systems, reduce bugs, and elevate the customer experience, while leveraging automation, agents, and our own AI technology to transform how support operates at scale.

OpenAI

OpenAI is seeking a Senior Support Engineer to join our Technical Support team in San Francisco. This role involves collaborating directly with strategic enterprise accounts and product teams to solve complex customer challenges. You will be a key technical troubleshooting expert, providing guidance and resolving difficult issues for our customers and internal engineering teams. The position focuses on designing and running operational processes to monitor top strategic customers and a 24x7 response team, working closely with Infrastructure and Engineering teams to ensure a seamless customer experience at scale. This is a low-volume, high-difficulty role focused on the success of innovative, disruptive, and high-scale AI solutions built on the OpenAI API platform.

OpenAI

We are seeking a Backend Software Engineer to architect and scale the infrastructure powering our knowledge systems. This is a deeply technical and highly cross-functional role where you will build robust systems and backend services that serve as the foundation for how knowledge is created, accessed, and applied across OpenAI. You will design, build, and maintain backend services and APIs to support intelligent automation and knowledge systems, integrate and structure data across internal platforms, and collaborate closely with product, research, and engineering teams to integrate OpenAI models into high-leverage workflows. You will own the full development lifecycle of new backend systems and internal platform capabilities, building with scale and maintainability in mind while rapidly iterating on new ideas.

OpenAI

As an AI Architect, you will be the senior technical owner for a named portfolio of customers, acting as the primary technical counterpart to their leadership teams. You will shape each customer's AI strategy and guide their journey from pre-sales discovery and solution evaluation through deployment, adoption, and measurable business impact. You will own the technical account plan across ChatGPT Enterprise, the OpenAI API, Codex, and other agentic AI solutions, translating business priorities into a focused use-case portfolio and an actionable adoption roadmap. You will remain accountable for the technical outcome while bringing in the right specialists across deployment, implementation, enablement, security, product, and partners to provide deeper expertise and execute work where needed. This role requires strong industry fluency, sound architectural judgment, and the ability to move confidently between executive strategy and hands-on technical conversations.

OpenAI

As an AI Architect, you will be the senior technical owner for a named portfolio of customers and the primary technical counterpart to their leadership teams. You will act as the “CTO of your book of business”, shaping each customer's AI strategy and guiding their journey from pre-sales discovery and solution evaluation through deployment, adoption, and measurable business impact. You will own the technical account plan across ChatGPT Enterprise, the OpenAI API, Codex, and other agentic AI solutions. In partnership with the Account Director, you will translate business priorities into a focused use-case portfolio, an actionable adoption roadmap, and a clear path to durable customer value and growth. You will remain accountable for the technical outcome while bringing in the right specialists across deployment, implementation, enablement, security, product, and partners to provide deeper expertise and execute work where needed. This role calls for strong industry fluency, sound architectural judgment, and the ability to move confidently between executive strategy and hands-on technical conversations.

OpenAI

As an AI Architect, you will be the senior technical owner for a named portfolio of customers and the primary technical counterpart to their leadership teams. You will act as the “CTO of your book of business”, shaping each customer's AI strategy and guiding their journey from pre-sales discovery and solution evaluation through deployment, adoption, and measurable business impact. You will own the technical account plan across ChatGPT Enterprise, the OpenAI API, Codex, and other agentic AI solutions. In partnership with the Account Director, you will translate business priorities into a focused use-case portfolio, an actionable adoption roadmap, and a clear path to durable customer value and growth. The Account Director owns commercial strategy; you own the technical strategy, customer journey, and path to production value. You will remain accountable for the technical outcome while bringing in the right specialists across deployment, implementation, enablement, security, product, and partners to provide deeper expertise and execute work where needed. This role calls for strong industry fluency, sound architectural judgment, and the ability to move confidently between executive strategy and hands-on technical conversations.

OpenAI

We are seeking a product-minded backend engineer to build the systems behind a new generation of AI coworkers. These persistent agents will understand their environment, take on meaningful work, and improve over time. You will design and ship the foundational infrastructure that makes these agents effective in production, from durable workflow orchestration to long-running agent loops built on the Codex harness to the context, memory, tools, and permissions model they need to act reliably. You will also build rigorous evaluation, observability, and feedback systems that make agent quality measurable and continuously improve how these systems perform. This is a hands-on, high-ownership role at the intersection of agent infrastructure, applied AI, and product engineering. You will work directly with go-to-market teams and collaborate across OpenAI’s product and research organizations to turn ambiguous, real-world needs into dependable systems that help OpenAI meet the world at scale.

OpenAI

The Human Data team at OpenAI is focused on ensuring the safety and reliability of advanced AI systems. As a Research Program Manager, you will lead critical initiatives to test and evaluate OpenAI's models, identifying vulnerabilities and potential risks through creative experimentation. You will translate complex, ambiguous risks into structured research programs, collaborating closely with research and engineering teams to influence the development and deployment of future AI models. This role requires a technically adept individual who is comfortable with uncertainty and passionate about shaping the future of safe AI.

OpenAI

As an AI Architect, you will be the senior technical owner for a named portfolio of customers and the primary technical counterpart to their leadership teams. You will act as the “CTO of your book of business”, shaping each customer's AI strategy and guiding their journey from pre-sales discovery and solution evaluation through deployment, adoption, and measurable business impact. You will own the technical account plan across ChatGPT Enterprise, the OpenAI API, Codex, and other agentic AI solutions. In partnership with the Account Director, you will translate business priorities into a focused use-case portfolio, an actionable adoption roadmap, and a clear path to durable customer value and growth. The Account Director owns commercial strategy; you own the technical strategy, customer journey, and path to production value. You will remain accountable for the technical outcome while bringing in the right specialists across deployment, implementation, enablement, security, product, and partners to provide deeper expertise and execute work where needed. This role calls for strong industry fluency, sound architectural judgment, and the ability to move confidently between executive strategy and hands-on technical conversations.

OpenAI

As an AI Architect, you will be the senior technical owner for a named portfolio of customers, acting as the primary technical counterpart to their leadership teams. You will shape each customer's AI strategy, guiding their journey from pre-sales discovery and solution evaluation through deployment, adoption, and measurable business impact. You will own the technical account plan across various OpenAI solutions, translating business priorities into a focused use-case portfolio and an actionable adoption roadmap. You will remain accountable for the technical outcome, coordinating specialists for deeper expertise and execution where needed, requiring strong industry fluency, sound architectural judgment, and the ability to navigate executive strategy and hands-on technical conversations.