Ai Research Intern in United States

Join the engineering teams that bring OpenAI’s ideas safely to the world!! The Applied Engineering team works across research, engineering, product, and design to bring OpenAI’s technology to consumers and businesses. We seek to learn from deployment and distribute the benefits of AI, while ensuring that this powerful tool is used responsibly and safely. Safety is more important to us than unfettered growth. About the Role We’re building the observability product for OpenAI—from scalable infrastructure to a rich, AI-powered UI. Our systems ingest over petabytes of logs and billions of time series metrics across our fleet. We're now layering intelligence on top—think agents that summarize SEVs, auto-generate dashboards, or help engineers debug through notebook-like UIs. We’re hiring software engineers across the stack—infra, backend, and product. You’ll join a small, gritty team building both foundational infra and novel internal tools to make OpenAI's production systems reliable, performant, and observable. What You’ll Do Own core observability infrastructure, including distributed logging, time series, and trace storage Build AI-native tools that help engineers detect, understand, and resolve issues autonomously. Contribute to UI experiences like dashboards, notebooking, or interactive debugging Collaborate closely with engineers, researchers, user ops, and other teams across the company to build the next generation observability product You Might Be a Fit If You: Have operated large-scale distributed systems in production. ( especially logging systems or some other time series databases) Thrive in ambiguous environments and roll up your sleeves to solve unscoped problems. Have full-stack chops or product sensibilities—you're excited to build real tools people use. Have strong fundamentals in systems, networking, and cloud infra (Kubernetes, AWS, etc). Bonus : built or contributed to observability systems (e.g. Prometheus, OpenTelemetry, etc). Why This Team We’re b

About the Team The Monetization team is a new cross-functional group working across engineering, product, research, and design to build the foundational systems that will help OpenAI scale access to intelligence responsibly. Our mission is to develop user-first, privacy-preserving monetization products—including next-generation ads experiences—that strengthen user trust, unlock economic opportunity, and support OpenAI’s long-term innovation. Monetization plays a critical role in enabling OpenAI to continue pushing the boundaries of AI capabilities while ensuring the benefits of AGI are broadly shared. We believe monetization must be aligned with user value, uphold rigorous privacy and safety standards, and sustain a healthy ecosystem of developers and businesses. This team operates in a greenfield environment and moves quickly through prototyping, experimentation, and iterative deployment. We partner closely with Product, Design, and Research to bring research breakthroughs into real-world systems at global scale. About the Role We’re looking for an experienced Software Engineer to help build the core infrastructure behind OpenAI’s monetization and ads systems. In this foundational role, you’ll architect and implement distributed systems that power OpenAI’s monetization stack—focusing on reliability, performance, privacy, and large-scale operation. You’ll work across backend, systems, and platform layers to define and implement 0→1 infrastructure, partnering closely with Product, Design, and Research to shape the future of monetized AI experiences. Your work will enable both internal and external teams to build on safe, scalable, and robust monetization primitives. This role is exclusively based across our San Francisco & Seattles sites. We offer relocation assistance to new employees. In this role, you will: Design and build the foundational backend and infrastructure powering OpenAI’s monetization and ads systems Architect large-scale distributed systems that

About the Team OpenAI’s API Multicloud team is responsible for extending OpenAI’s API platform into strategic cloud environments, starting with AWS . The team’s mission is to distribute OpenAI’s API broadly and safely by enabling key API technologies in AWS-native environments, in close partnership with Amazon and internal teams across Codex, Research, Safety Systems, and Applied. The team is focused on bringing core developer and enterprise capabilities into cloud-native environments, including AWS-hosted Codex, model customization / post-training as a service, and new stateful runtime environments for agentic workloads. This work sits at the intersection of production ML systems, developer platforms, model behavior, and large-scale infrastructure. About the Role We’re hiring Machine Learning Engineers to build and improve the AI systems that help strategic partners adapt OpenAI models to important use cases in cloud-native environments. This role spans post-training workflows, evaluation, data pipelines, model behavior, and API/infrastructure integration. You’ll work at the boundary between partner needs and core ML systems: helping teams understand what is and isn’t working, diagnosing issues in training and evaluation workflows, and turning those learnings into improvements to the underlying platform. You should enjoy working with external technical partners, extracting the real goal from messy requests, and pushing back or reframing when the requested experiment is not the highest-leverage path. You’ll collaborate closely with Research, Applied, Safety Systems, infrastructure teams, and external technical partners to solve ambiguous model-performance problems. When you succeed, strategic partners and internal teams will be able to improve model behavior with confidence, driving measurable product improvements while the systems behind that work become more reliable, scalable, and effective over time. In this role, you will Partner with strategic customers and in

About the Team The Agent Enablement team works across engineering, product, design, and research to bring our technology to the world. We seek to learn from deployment and broadly distribute the benefits of AI, while ensuring that this powerful tool is used responsibly and safely. We aim to make our innovative tools globally accessible, transcending geographic, economic, and platform barriers. Our commitment is to facilitate the use of AI to enhance lives, supported by rigorous insights into how people use our products. About the Role We are looking for experienced full-stack engineers to join our new Agent Enablement team. Our goal is to design and grow an open ecosystem of agent-enabled sites and services. This is a wide-ranging role: you’ll build new user and agent identity protocols, user experiences to control and observe agents across web, desktop, and mobile, and much more. We will rely on you to drive our technical decisions while also steering our product and partnership direction, optimizing for both short-term impact and long-term success of the ecosystem. We value engineers who are impact-driven, autonomous, and adept at removing barriers to forward progress. In this role, you will: Design the primitives and protocols for an open agent ecosystem, enabling our users’ agents to make the best use of sites and services across the internet. Build a next-generation user experience to observe and control agents, across web, desktop, and mobile. Evolve our approach to token consumption across subscriptions and API customers. Execute on fast-paced projects in collaboration with research, design, data science and other product engineering teams. Work closely with our strategic customers and partners to grow the ecosystem. You might thrive in this role if you: Have strong full-stack engineering skills and experience shipping customer-facing products from concept to production. You’re comfortable working across frontend, backend, APIs, data models, and product desig

About the Team The Growth team drives user and revenue growth across ChatGPT’s consumer and business segments as well as other OpenAI products worldwide. We operate across the full funnel - from awareness and acquisition through activation, retention, and expansion - using a combination of global performance marketing, AI-powered workflows, in-product optimization, insights, experimentation, and creative ops engineering. About the Role We are hiring a Growth Marketing Manager to turn product-led growth priorities into clear audience strategies, compelling cross-channel messaging, coordinated go-to-market programs, and drive measurable, incremental growth. You will partner closely with Growth Product, Consumer Product Marketing, Lifecycle, Performance Marketing, Brand, Creative, Research, Data Science, and International Marketing to ensure that full-funnel campaigns and initiatives are supported and connected to Growth capabilities and maximize the performance of these campaigns. In this role, you will: Build the marketing layer across the Growth roadmap: acquisition, access, activation and resurrection, monetization, and the shared Growth Platform. Translate product hypotheses into audience insights, positioning, messaging, launch briefs, lifecycle journeys, landing-page narratives, performance creative, and in-product education. Maintain an integrated plan that connects the Growth product roadmap to the consumer product marketing calendar across lifecycle, performance, social, creators, partnerships, and brand moments. Serve as the subject matter expert across all Growth levers, advising teams across the organization on the most effective ways to integrate Growth into their initiatives. Partner with cross-functional teams to design and interrogate the user journey so we can align our external promises with in-product and owned-channel landing, access, onboarding, continuation, and conversion experiences. Create audience and market playbooks for new users, high-valu

About the Team The Cloud Agents team builds product infrastructure for long-running agents in the cloud: orchestration, sandboxing and isolation, secure environment connectivity, secrets and identity, observability, reliability, and cost controls. These agents securely connect to diverse developer and customer environments and use tools to accomplish goals. We partner closely with product, research, and infrastructure teams to turn agentic capabilities into dependable platforms for OpenAI products and developers building on OpenAI. About the Role We are looking for an experienced software engineer to help build and scale our cloud agent platform. You will design and operate systems for orchestrating agents at scale. You will work closely with product engineers on ChatGPT, API, and Codex to define the right abstractions and enable them to ship products quickly. Strong backend or infrastructure experience is important; experience with Python, Rust, distributed systems, cloud infrastructure, or product platforms is especially helpful. In this role, you will: Design and scale the orchestration, sandboxing and storage systems that run agentic workloads for Codex, ChatGPT, and the OpenAI API. Partner with product engineers to build a platform that enables them to ship quickly and turn feedback into robust abstractions. Improve reliability, security, performance, and cost efficiency for long-running agents. Deploy services that can operate across different environments and clouds. Your background might look something like: 9+ years of professional engineering experience, excluding internships, in relevant roles at technology and product-driven companies. Experience leading large-scale backend, platform, or infrastructure projects from ambiguous problem statements to production systems. Proficiency in one or more backend languages such as Python, Go, Rust, TypeScript, or similar, and the ability to move across service, platform, and product boundaries. Strong understanding

About the Team With Codex we’re building an AI software engineer. One that you can pair with, delegate to, or even ask to take on future tasks proactively. Our team is a fast-moving group within OpenAI, bringing together research, engineering, design, and product. We iteratively build the Codex agent harness and product to get the most out of the model, and we iteratively train the model to be great at complex software engineering tasks. The Codex team is responsible for building state-of-the-art AI systems that can write code, reason about software, and act as intelligent agents for developers and non-developers alike. We operate across research, engineering, product, and infrastructure; owning the full lifecycle of experimentation, deployment, and iteration on novel coding capabilities. Codex Enterprise builds the ecosystem, governance, and enterprise capabilities that help Codex spread across developers, teams, and organizations worldwide. The Enterprise Controls team owns the systems that allow companies to safely deploy Codex across their organization while protecting their most sensitive code, data, and internal knowledge. About the Role As Codex adoption grows inside large organizations, customers are increasingly trusting Codex with their most valuable assets: proprietary codebases, internal documentation, customer data, and sensitive workflows. This role will help build the enterprise control plane that makes Codex secure, governable, and trustworthy at scale. You will design and operate backend systems that give enterprise administrators visibility and control over how Codex is used across their organization. You will work across identity, access, encryption, policy enforcement, auditability, and admin controls. This may include systems that let customers manage encryption keys, control which Codex capabilities are enabled, enforce organizational policies, and understand how data flows through Codex. This role owns systems end-to-end: from architecture and

About the Team With Codex we’re building an AI software engineer. One that you can pair with, delegate to, or even ask to take on future tasks proactively. Our team is a fast-moving group within OpenAI, bringing together research, engineering, design, and product. We iteratively build the Codex agent harness and product to get the most out of the model, and we iteratively train the model to be great at complex software engineering tasks. The Codex team is responsible for building state-of-the-art AI systems that can write code, reason about software, and act as intelligent agents for developers and non-developers alike. We operate across research, engineering, product, and infrastructure; owning the full lifecycle of experimentation, deployment, and iteration on novel coding capabilities. Codex Enterprise builds the ecosystem building blocks, discovery surfaces, and enterprise capabilities that help Codex spread across developers, teams, and organizations worldwide. It is a cross-cutting team that works across the stack to build both delightful product experiences and fundamental platform capabilities. Its customers range from individual developers and small teams to large enterprises, and our mission is critical to achieving the vision of Codex as a proactive teammate. About the Role As we grow, we’re focused on turning Codex from a powerful individual tool into a production-grade teammate for entire organizations. You will work across internal OpenAI teams and external customers, from fast-moving startups to large enterprises, to make it possible to deploy, operate, and trust Codex in increasingly demanding real-world environments. As Codex’s consumer adoption accelerates, enterprise demand is growing just as quickly, and there is also increasing opportunity to expand Codex through ecosystem capabilities that unlock new workflows, integrations, and discovery. This team helps turn messy, real-world team requirements into robust, repeatable, and scalable product and

About the Team The Plugin Developer Platform team builds the APIs, SDKs, and tools that let people extend ChatGPT and Codex. We work on plugins, connectors, the Model Context Protocol (MCP), and interactive apps. We want anyone to be able to turn a useful workflow into a plugin, share it, and have other people use it. A plugin can package instructions and skills with connections to the tools and data it needs. Our work covers plugin creation and publishing, the systems that run plugins across our products, and open standards that developers can build on. About the Role We’re looking for platform-minded engineers who know what it takes to build a platform developers want to use. You’ll work across developer-facing interfaces, APIs, and backend systems. You’ll own features from the first developer conversation through implementation and release. You’ll talk directly with developers, partners, and the open-source community. Their experience will inform the APIs and abstractions you design, the problems you prioritize, and the tradeoffs you make. This role is based in San Francisco. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. What You’ll Do Design and ship APIs, SDKs, and services that developers use to extend ChatGPT and Codex. Make plugins easier to create, test, publish, update, and share. Improve compatibility and consistency across ChatGPT and Codex, including interactive app experiences. Contribute to MCP and other open standards, bringing practical developer needs into their design. Work with developers and partners to understand recurring problems and improve the platform, tooling, and documentation. Work with Product, Research, Security, and Trust & Safety on permissions, compatibility, and safe, reliable execution. You Might Thrive Here If You Have built software that other developers use. Your experience might include an open-source project, an API or SDK, a developer platform, internal too

About the Team Codex is OpenAI's software engineering agent. Codex Security extends that work into one of the most important product areas in AI: helping organizations find, validate, prioritize, and fix real vulnerabilities in the software they build and depend on. The Codex Cyber team is building the product and platform foundations for AI-native application security. This includes Codex Security product experiences, cloud-based security analysis, platform controls across Codex, customer deployment and support tooling, and infrastructure that helps security researchers and cyber models improve over time. The team is early, small, and growing quickly, with a mandate to move fast and hire exceptional builders. About the Role We are looking for software engineers first: strong full-stack or product-minded generalists who can own ambiguous product and platform problems end to end. Security experience is helpful, and security curiosity is important, but this is not a role for security specialists who only occasionally write code. The right person is an excellent builder who is excited to work in security and can turn complex research, product, and customer needs into reliable systems. You will work across user-facing product surfaces, developer workflows, backend services, security analysis pipelines, cloud infrastructure, and internal tooling. You may build features that make Codex Security more useful for application security teams, systems that scale cloud-based security analysis, platform controls that make agentic coding safer, or infrastructure that helps security researchers and models become more effective. You will collaborate closely with engineering, product, security research, infrastructure, and customer-facing partners as Codex Cyber becomes a major product and platform investment for OpenAI. In this role, you will: Build end-to-end product features for Codex Security, from developer-facing interfaces to APIs, backend services, and workflow tooling. Own a

About Dawn Aerospace Dawn Aerospace is redefining space transportation through reusable, sustainable, and high-cadence flight systems. Our Aurora Spaceplane enables rapid access to suborbital space and speeds over Mach 3, serving a growing need for near-space testing, high-speed flight, and microgravity research. Together with our in-space propulsion business, Dawn is building the infrastructure for sustainable access to and operation in space. Role Overview Aurora is the first vehicle capable of flying missions to the edge of space multiple times a day. Your job is to transform this vehicle capability into mission success for our customers working from anywhere in the US - although Huntsville , USA is preferred (with domestic and international travel) . As a Mission Manager, your core role is to translate customer objectives into executable flight plans. You will be the customer’s interface to Dawn's flight operations, engineering, regulatory, and commercial teams. Throughout any project, you will coordinate the specialists required to solve individual problems while retaining responsibility for the mission. This is not a passive account-management role. You will be expected to assess mission feasibility, challenge customer assumptions, defend engineering realities, and drive clarity across complex, first-of-a-kind mission concepts. You will be the customer’s technical advocate inside Dawn, and Dawn’s operational interface to the customer. You will succeed here if you can lead through ambiguity, communicate with precision, and have the technical depth to engage meaningfully with aerospace engineers and flight operators, while keeping customers aligned, informed, and confident. Key Responsibilities Mission Ownershi

Your challenge As a Sales Engineer, you apply your project experience and industry knowledge to devise engaging industry-specific demos and proofs of concept. You support the Business Development team as an industry advisor during the sales process and work with the Delivery Advisory team on advisory assignments for your industry. You are responsible for: Understanding and researching the competitive differentiators and unique selling points of our targeted industry solutions. Developing, fine-tuning, and managing our unique selling points and storylines for a range of products in one or more of our core industries . Showcasing your solution and industry knowledge at commercial conferences through networking and product demonstrations. Developing a set of industry-specific product demos based on your understanding of their key differentiators. Sharing input and feedback from prospects, customers, and the market at large with the Standard Demo team. Expanding the functionalities of the standard demo in coordination with the Standard Demo team. Engaging and convincing prospects and customers by presenting demos and starting the conversation. Translating customer-specific requirements into high level solution designs in close collaboration with customers and our internal competence centers. Documenting the proposed solution’s scope and project approach. Supporting the advisory team in advisory assignments within your industry. Assisting in the formulation of RFx responses with solution and industry expertise and providing marketing support. Acting as a trusted advisor towards our prospects and customers. About you Essential talents and qualifications: A Master’s or Bachelor’s degree in Operations Research, Mathematics, Programming, Supply Chain, or similar. 3-5 years of experience in supporting sales cycles. In-depth knowledge of supply chain planning processes and solutions. Advanced industry knowledge. Experience in B2B sales, ideally in enterprise soft

Your challenge As a Sales Engineer, you apply your project experience and industry knowledge to devise engaging industry-specific demos and proofs of concept. You support the Business Development team as an industry advisor during the sales process and work with the Delivery Advisory team on advisory assignments for your industry. You are responsible for: Understanding and researching the competitive differentiators and unique selling points of our targeted industry solutions. Developing, fine-tuning, and managing our unique selling points and storylines for a range of products in one or more of our core industries . Showcasing your solution and industry knowledge at commercial conferences through networking and product demonstrations. Developing a set of industry-specific product demos based on your understanding of their key differentiators. Sharing input and feedback from prospects, customers, and the market at large with the Standard Demo team. Expanding the functionalities of the standard demo in coordination with the Standard Demo team. Engaging and convincing prospects and customers by presenting demos and starting the conversation. Translating customer-specific requirements into high level solution designs in close collaboration with customers and our internal competence centers. Documenting the proposed solution’s scope and project approach. Supporting the advisory team in advisory assignments within your industry. Assisting in the formulation of RFx responses with solution and industry expertise and providing marketing support. Acting as a trusted advisor towards our prospects and customers. About you Essential talents and qualifications: A Master’s or Bachelor’s degree in Operations Research, Mathematics, Programming, Supply Chain, or similar. 3-5 years of experience in supporting sales cycles. In-depth knowledge of supply chain planning processes and solutions. Advanced industry knowledge. Experience in B2B sales, ideally in enterprise soft

Why Patients Need You Pfizer’s purpose is to deliver breakthroughs that change patients’ lives. Research and Development is at the heart of fulfilling Pfizer’s purpose as we work to translate advanced science and technologies into the therapies and vaccines that matter most. Whether you are in the discovery sciences, ensuring drug safety and efficacy or supporting clinical trials, you will apply cutting edge design and process development capabilities to accelerate and bring the best in class medicines to patients around the world. What You Will Achieve As part of the Comparative Medicine team, you will support the Research & Development site by managing a vivarium to deliver flawless animal care and welfare and will assure the quality of care and the animal facility environment is in compliance with local regulations and AAALAC International guidelines partnering with Research and Development Research Units and Partner lines to facilitate study support. It is your hard work along with innovative ideas and focus that will help in making Pfizer ready to achieve new milestones and help patients across the globe. How You Will Achieve It Assure that the care and welfare of laboratory animals is provided in compliance with local regulations and AAALAC International guidelines. Manage and engage animal care and technical staff in the pursuit of flawless animal care and welfare by ensuring adherence to established policies and procedures. Support the career and personal development of the animal care and technical staff. Assist with a centralized CM training program for research animal care and use for animal care staff, principal investigators and research technicians throughout WRD. Participate in the direction of a centralized CM program of occup

Position Summary Pfizer is seeking a highly motivated Scientist to join the In Vivo Pharmacology group within the Oncology Research Unit, with a focus on antibody-drug conjugate (ADC) programs. This role supports the execution of high-quality in vivo efficacy, pharmacodynamic, tolerability, and mechanistic studies that enable preclinical ADC discovery and development. The ideal candidate will demonstrate strong technical capability in oncology animal models, careful attention to study details, and a commitment to animal welfare, compliance, and scientific rigor. The Scientist is expected to contribute as a reliable technical and scientific team member while developing increasing independence in study execution, data interpretation, and cross-functional collaboration. Position Responsibilities Execute in vivo oncology studies supporting ADC discovery programs using a variety of in vivo models including syngeneic, cell line-derived, and patient-derived xenograft models as appropriate. Perform routine and advanced in vivo procedures, including tumor measurements, body weight monitoring, test article administration, clinical observations, and sample collection. Support ADC pharmacology studies assessing efficacy, tolerability, pharmacodynamic biomarkers, dose-response relationships, schedule optimization, and combination strategies. Prepare, review, and follow study protocols, dosing schedules, randomization plans, and sample collection timelines in alignment with project goals and internal standards. Maintain accurate, timely, and compliant study records using electronic data capture systems and approved documentation practices. Coordinate with project line leads, vivarium operations, pathology, toxicology translational scientists, bioanalytical, pharmacodynamic and pharmacokinetic teams, and external partners to enable efficient study execution. Assist with data quality revie