OpenAI Jobs

Sierra is a leading platform for customer-facing AI agents, partnering with major global brands to transform customer service and business growth. We are primarily an in-person company based in San Francisco, with growing international offices. Our culture is built on values of Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing family life. Our co-founders, Bret Taylor and Clay Bavor, bring extensive experience from leading tech companies like OpenAI, Salesforce, Facebook, and Google.

OpenAI

The Agent Infrastructure team at OpenAI is building systems to enable the training and deployment of highly useful AI agents. This role involves working closely with research and product teams to scale systems for training agentic models and to build the platform for launching new agents to millions of users. You will contribute to a novel container orchestration platform, develop and maintain APIs for agentic infrastructure, and use Terraform for infrastructure management. The ideal candidate has deep experience in large-scale machine learning infrastructure, a knack for performance optimization, and expertise in virtualization and containerization technologies.

OpenAI

OpenAI's Inference team is expanding into multimodal inference, building the infrastructure needed to serve models that handle image, audio, and other non-text modalities. These workloads are inherently more heterogeneous and experimental, involving diverse model sizes and interactions, more complex input/output formats, and tighter coordination with product and research. We are looking for a software engineer to help us serve OpenAI’s multimodal models at scale. You’ll be part of a small team responsible for building reliable, high-performance infrastructure for serving real-time audio, image, and other MM workloads in production. This work is inherently cross-functional: you’ll collaborate directly with researchers training these models and with product teams defining new modalities of interaction. You'll build and optimize the systems that let users generate speech, understand images, and interact with models in ways far beyond text.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Developer Relations Engineer to help onboard and educate customers on our Agent SDK and Agent Studio platform. This role involves leading the creation and execution of developer training programs, building scalable content like documentation and videos, and developing AI Agents as an Agent Software Engineer. You will also collaborate with marketing to publish developer success stories and inspire our technical community. This is an opportunity to become a world-leading expert in agent development and contribute to a growing AI company.

OpenAI

OpenAI's Training team is responsible for producing the large language models that power our research and products, bringing us closer to AGI. This involves deep research into improving current architectures, datasets, and optimization techniques, alongside long-term bets on future model efficiency and capability. As a member of the architecture team, you will push the frontier of architecture development for OpenAI's flagship models, enhancing intelligence, efficiency, and adding new capabilities. The ideal candidate has a deep understanding of LLM architectures, model inference, and a hands-on empirical approach, comfortable with creative breakthroughs, strengthening baselines, designing evaluations, debugging regressions, and tracking bottlenecks.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. As a Security Engineer, you will build the foundational systems and controls that ensure Sierra's AI agents are secure, protecting customer data and trust. You will partner across product and platform teams to integrate security, privacy, and safety as core product capabilities and secure defaults. This role involves designing and implementing systems across various security domains, including product security, infrastructure security, enterprise security, identity, and detection and response. You will identify risks, strengthen architectures, and build durable defenses, while also owning cross-cutting systems, threat modeling, code reviews, and evolving security primitives. The position requires a strong software engineering background, systems thinking, and the ability to automate and scale security workflows.

OpenAI

We are seeking a GPU Inference Engineer to enhance model serving efficiency for our Robotics research. This high-impact role involves driving initiatives to optimize inference performance and scalability, as well as assisting researchers in developing inference-friendly models. This position is crucial for scaling the team's goals, enabling leadership to focus on higher-leverage initiatives by building a stronger technical foundation.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences using AI. We partner with industry leaders and are primarily an in-person company based in San Francisco, with growing international offices. Our co-founders have extensive experience from leading tech companies like Salesforce, Facebook, and Google, with one co-founder currently serving as Board Chair of OpenAI. We are guided by core values of Trust, Customer Obsession, Craftsmanship, Intensity, and Family.

OpenAI

Online Data builds and operates Habitat, a core online database platform for OpenAI's products. This system handles high-QPS, latency-sensitive workloads across regions, with end-to-end ownership of provisioning, developer experience, APIs, scaling, reliability, data movement, privacy enforcement, and future storage backends. The role involves designing and building core abstractions, owning major surface areas, improving performance and cost efficiency, and building developer-first tooling. You will collaborate closely with internal teams, participate in on-call rotations, and focus on solving complex distributed systems problems at massive scale.

OpenAI

OpenAI is seeking a Research Engineer for Frontier Evals & Environments to help build north star model environments that drive progress towards safe AGI/ASI. This role will directly guide the research programs of ambitious training runs, with past open-sourced evaluations including GDPval, SWE-bench Verified, MLE-bench, PaperBench, and SWE-Lancer. You will work with researchers, engineers, product teams, infrastructure teams, and safety/alignment partners to define model run objectives, measure outcomes, and ship improvements into widely used products. This is a high-agency role for individuals passionate about seeing their work directly impact frontier models and steering them towards beneficial outcomes.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences with AI. We partner with industry leaders and are primarily an in-person company based in San Francisco, with growing international offices. Our core values are Trust, Customer Obsession, Craftsmanship, Intensity, and Family. The co-founders have extensive experience from leading tech companies like Salesforce, Facebook, Google, and OpenAI. As an Agent PM at Sierra, you will be responsible for partnering directly with engineers and customers to build and ship AI agents capable of handling thousands of customer conversations daily. You will engage with customers at all levels, discover their requirements, present demonstrations, and work with technical counterparts to overcome business process challenges. Your role will involve developing and improving virtual agents to meet and anticipate customer needs, acting as a trusted advisor to drive strategic technical strategies for clients.

OpenAI

The Engineering Acceleration team designs, builds, and maintains the foundational systems that engineers use to build ChatGPT and the API. This is a fast-growing team where you will have the opportunity to own and define the strategy, vision, and plan for increasing developer productivity. You will drive the design, development, and implementation of tools, systems, and processes that accelerate engineering velocity, reduce manual effort, and increase the quality of output. You will also use our latest AI tools to re-think how we can be the most productive team in the industry, working closely with various teams within OpenAI to understand their workflows, challenges, and needs.

OpenAI

At OpenAI, we are seeking a software engineer to help build out our trust and safety capabilities, ensuring the safety, robustness, and reliability of AI models and their deployment. In this role, you will work with our engineering team to design and implement systems that detect and prevent abuse, promote user safety, and reduce risk across our platform. You will be at the forefront of our efforts to ensure that the immense potential of AI is harnessed in a responsible and sustainable manner.

Sierra is building a platform to enable companies to create better customer experiences using AI. We partner with industry leaders and are primarily an in-person company based in San Francisco. Our co-founders have extensive experience from leading tech companies like Salesforce, Facebook, and Google. We are looking for a Software Engineer to design, build, and ship production-grade AI agents that are central to Sierra's growth. You will own the entire Agent Development Life Cycle (ADLC), from pilot to deployment and iteration, setting best practices along the way. This role involves partnering directly with large enterprises and cutting-edge startups to understand their challenges and build AI agents that transform their operations at scale. Your work will also directly influence the evolution of Sierra's core platform by surfacing unmet needs and prototyping new tools and features.

OpenAI

OpenAI is seeking a senior researcher passionate about AI safety to join the Safety Oversight Research team. This role will be instrumental in setting research directions to ensure safe AGI and will focus on identifying and mitigating misuse and misalignment in AI systems. You will play a critical part in defining the future of safe AI systems at OpenAI, significantly impacting our mission to build and deploy safe AGI. The Safety Systems team is dedicated to ensuring our advanced models can be safely deployed for societal benefit, driving our commitment to AI safety and fostering trust and transparency.

OpenAI

As a Data Scientist on the Applied Product team, you will contribute to a data-driven product development culture for consumer and enterprise products at OpenAI. This is critical as our products reach millions of users and businesses worldwide. We are focused on aligning both research and product development to drive measurable impact for these individuals and organizations alike. You should expect to define our north-star metrics, design A/B tests, and establish source-of-truth dashboards that the entire company can use to answer their own product questions. Most importantly, you should expect to be a core member of the product development team.

OpenAI

We are seeking a Senior Support Engineer to collaborate directly with our strategic enterprise accounts and product teams, helping solve some of the most difficult problems faced by our Customers. You will be part of the best technical troubleshooting team at OpenAI, and our Customers and Engineering teams will look to you for technical guidance in addressing the most technically difficult issues in our environment. As a Senior Support Engineer, you will design and run operational processes to monitor our top strategic customers and a 24x7 response team. You’ll work closely with our Infrastructure and Engineering teams to deliver the best possible experience to customers at scale. Working directly with our most strategic Customers, you will be crucial to the success of the most innovative, disruptive, and high-scale AI solutions being built with the OpenAI API platform. The nature of this role will be low volume, high difficulty.

Cohere

Cohere is seeking a Senior Member of Technical Staff focused on Multimodal AI to join their cutting-edge enterprise AI company. This role involves designing and developing advanced multimodal AI systems that integrate text, speech, and vision, pushing the boundaries of what's possible in AI. You will have access to exceptional compute resources and collaborate with world-class teams to innovate and shape the future of AI. The position is ideal for individuals passionate about machine learning and its real-world applications, who enjoy optimizing large models and thrive in a fast-paced, technically challenging environment.

Sierra is seeking a Software Engineer to join their platform team, focusing on building the core infrastructure for customer-facing AI agents. This role involves developing the primitives that power agent creation, orchestration, and deployment, as well as inventing the foundational systems for reliable and steerable agent development. You will contribute to runtime systems, developer tooling, and internal infrastructure, ultimately enabling engineers and customers to build and deploy AI agents more efficiently. The company emphasizes a culture of trust, customer obsession, craftsmanship, intensity, and work-life balance, with a strong commitment to diversity and inclusion.

OpenAI

The Applied Foundations team at OpenAI is dedicated to ensuring that our cutting-edge technology is not only revolutionary but also secure from a myriad of adversarial threats, striving to maintain the integrity of our platforms as they scale. This role is crucial for maintaining the trustworthiness of our platforms by developing robust defenses against a spectrum of adversarial behaviors that threaten our ecosystem. You will be pivotal in designing and implementing systems that detect and prevent abuse, promote user safety, and reduce risk across our platform, ensuring that the immense potential of AI is harnessed in a responsible and sustainable manner.