OpenAI Jobs

Sierra is seeking a Product Manager, Infrastructure to shape the platform powering customer-facing AI agents. This role involves defining scalable, reliable, and developer-friendly abstractions for compute, storage, orchestration, and networking. You will own the performance, reliability, and scale of Sierra's systems, setting standards for latency, availability, and fault tolerance. The position also includes designing developer primitives and tooling, driving system architecture decisions through first-principles thinking, and ensuring infrastructure accelerates product velocity. You will collaborate across product, engineering, and go-to-market teams to ensure infrastructure meets evolving product needs and customer use cases.

OpenAI

As a Technical Threat Investigator at OpenAI, you will play a crucial role in safeguarding the company and the broader ecosystem from sophisticated adversaries. This deeply investigative position requires you to conduct complex, end-to-end investigations into threat actors to understand their methodologies, infrastructure, and integration of AI into their operations. Your insights will be instrumental in proactively identifying malicious activity and driving improvements in detection, disruption, enforcement, and safety across the organization. You will translate your findings into scalable, durable solutions by building and owning lightweight tooling, automating processes, and developing AI-assisted workflows to enhance the speed, repeatability, and effectiveness of investigations.

OpenAI

This is a founding role for a Technical Deployment Lead (TDL) at OpenAI, based in Singapore. The TDL will define how OpenAI delivers complex AI systems to customers, owning their build, shipment, and adoption. This role involves translating business outcomes into technical plans, managing day-to-day execution across engineering teams, and partnering with customers to ensure delivery aligns with their goals. It requires deep technical project management expertise, extreme ownership, and the ability to immerse in customer workflows to solve complex engineering problems at pace. Success will be measured by the measurable value delivered to customers, adoption rates, and the impact of field insights on OpenAI's product and research roadmaps.

$25k - $50k

OpenAI

We are seeking a software engineer to help build the platform that qualifies and optimizes inference workloads across heterogeneous compute environments. You will develop both OpenAI-hosted services and secure partner-side software for running long-lived optimization workflows. These workflows generate candidate kernels, runtime configurations, and serving-stack changes; compile and execute them on target hardware; verify their correctness; measure their performance; and use the results to guide further optimization. You will work across model architecture, distributed execution, compilers, runtimes, networking, and accelerator systems. A central part of the role is turning research prototypes and one-off hardware bring-up efforts into reliable, reusable infrastructure with clear contracts, reproducible results, strong observability, and well-defined security boundaries.

OpenAI

OpenAI is seeking a hands-on Engineering Manager to lead a small, fast-moving team focused on building AI-powered automation systems that redefine how work is done across the company. This role is at the intersection of applied AI, research, and product engineering, where you will lead a team that builds systems capable of learning from humans and handling real workloads across various departments like sales, support, and finance. You will operate in a highly iterative environment, deploying systems directly to internal users, gathering rapid feedback, and evolving solutions in real time. This is a high-ownership role for someone excited about building 0→1 systems, working closely with customers, and shaping the future of AI in operational work at scale.

OpenAI

OpenAI's Forward Deployed Engineering team partners with customers to turn research breakthroughs into production systems, operating at the intersection of customer delivery and core platform development. Forward Deployed Engineers (FDEs) lead complex end-to-end deployments of frontier models in production alongside our most strategic customers. You will own discovery, technical scoping, system design, build, and production rollout, partnering directly with customer engineering and domain teams. Success will be measured through production adoption, measurable workflow impact, and eval-driven feedback that influences product and model roadmaps. You'll collaborate closely with Product, Research, Partnerships, GRC, Security, and GTM teams.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. As a Forward Deployed Infrastructure Engineer, you will be a founding member responsible for the end-to-end lifecycle of customer deployments. You will work directly with enterprise clients to architect, deploy, upgrade, and manage Sierra's AI platform infrastructure, ensuring it meets their specific security, compliance, and operational needs. This role involves defining scalable and repeatable deployment standards, tooling, and processes, and collaborating closely with Engineering, Product, Sales, and Customer Success teams to manage complex customer engagements.

OpenAI

OpenAI is seeking Senior and Staff Engineers to join the ChatGPT Infrastructure team. This role focuses on designing and building the foundational infrastructure systems that power ChatGPT, enabling rapid iteration and development without compromising performance or reliability. You will create shared systems, data paths, rollout mechanisms, and reliability guardrails that allow other engineering teams to ship changes at scale. This is a platform-building role where you will define interfaces, develop core abstractions, and create tooling to ensure safe and fast iteration, reduce friction, prevent regressions, and improve performance as the product grows.

OpenAI

OpenAI is building the infrastructure foundation for the next generation of AI. The Data Center Engineering team defines the strategy, reference architectures, technical requirements, and delivery standards for the large-scale data centers that support OpenAI research, products, and infrastructure partners. As a Data Center Controls Network Engineer, you will design, validate, and scale the controls and OT network architectures that support high-density AI data centers. You will work across controls systems, OT infrastructure, telemetry, commissioning, deployment, and operations, partnering with mechanical, electrical, IT/networking, security, and external delivery teams. We are seeking a mid to senior OT Network Engineer with a strong controls systems background to lead the design and operation of resilient, secure, and scalable OT network architectures for high-density AI data centers. This role translates compute, power, cooling, and operational requirements into practical OT network designs, evaluates vendor solutions, and drives technical decisions across controls infrastructure, telemetry, commissioning, and operations. The ideal candidate has strong hands-on experience in mission-critical OT environments, including industrial networking, virtualized infrastructure, and OT network operations, with expertise in routing, switching, segmentation, firewall policy, time synchronization, monitoring, and network lifecycle support.

OpenAI

OpenAI's Hardware organization is developing AI-native silicon and system-level solutions for advanced AI workloads. We are seeking a systems-minded engineer to advance our kernel development, performance engineering, and hardware-software co-design capabilities, with a focus on AI-assisted workflows and tooling. This role sits at the intersection of kernel optimization, developer tooling, observability, and research infrastructure, aiming to improve how production kernels are built and optimized, and how future hardware-software systems are designed and evaluated. The ideal candidate is excited by low-level performance work and sees AI and automation as powerful tools for accelerating engineering velocity, helping to define the future of kernel engineering in the era of AI-assisted development.

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 co-founders have extensive experience from leading tech companies like Salesforce, Facebook, Google, and OpenAI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are central to Sierra's growth, driving revenue and transforming how businesses operate at scale. This role involves full ownership of the Agent Development Life Cycle (ADLC), from pilot to iteration, and requires building, tuning, and evolving AI agents in production environments.

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

We are seeking an experienced Product Manager to define and scale the construction of our data processing, data privacy, billing, and access controls products. You will set strategy and execute on projects like expanding our regional data processing footprint, enabling new inference caching controls in the API, or building APIs that make it easier for organizations to manage their spend limits. You will also define the strategy and ship foundational capabilities that ensure customers use OpenAI products securely, privately, and with enterprise-grade controls. This role partners deeply with engineering, security, legal, compliance, finance, and leadership to deliver high-trust, enterprise-grade systems.

OpenAI

The Safety Measurement Product Manager will lead OpenAI's strategy for measuring harm and the effectiveness of safeguards in production. This role involves driving the development and strategy for a suite of safety measurement platforms and products used across the company. You will collaborate closely with safety research and engineering teams to define what, where, and how we measure safety, influencing critical leadership decisions and informing ongoing safety initiatives. You will also represent the company's primary safety metric and prioritize requests to expand the safety measurement platform to new use cases.

OpenAI

OpenAI is seeking an experienced Performance Engineer to enhance the performance, reliability, and efficiency of its critical systems, including ChatGPT and the OpenAI API. This highly technical, individual contributor role involves optimizing infrastructure and application-level performance across various layers, from networking and storage to Python runtime and GPU utilization. You will develop tooling for performance observability, collaborate with cross-functional teams to set performance goals, and influence architectural decisions to prioritize latency, throughput, and cost-efficiency at scale. The role focuses on root-cause analysis, profiling, instrumentation, and driving systemic improvements to address performance regressions and scalability issues.

Sierra is building a platform to enable companies to create more human customer experiences with AI. We are seeking a Product Manager for Agent Studio, the central environment for creating, testing, and improving AI agents. This role is pivotal in defining how teams build agents, shaping the systems that transform ideas into functional behaviors, facilitate rapid iteration, and enable continuous agent improvement. It's a zero-to-one and scaling opportunity at the core of Sierra's product.

Sierra is seeking a Product Manager for Voice to lead the development of real-time, human-quality AI conversations. This role is critical for shaping how Sierra agents sound, respond, and behave in live interactions, focusing on the entire voice experience from initial contact to resolution. You will be responsible for ensuring agents perform reliably in production across telephony and real-time systems, working at the intersection of speech, infrastructure, and product experience. This is a zero-to-one and scaling opportunity within a company that partners with industry leaders and is guided by strong company values.

OpenAI

We are seeking a Software Engineer to join our Foundations Search team, focusing on building and scaling retrieval systems. This role involves developing infrastructure that empowers AI models to access and utilize the correct information precisely when needed. You will collaborate with researchers and engineers to design and manage indexing systems, retrieval pipelines, and serving layers, directly impacting the performance, reliability, and scalability of retrieval across OpenAI's products and research initiatives.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are central to Sierra's growth and revenue. These are not prototypes but scalable systems running in production across various industries. You will own the Agent Development Life Cycle (ADLC) from pilot to deployment and iteration, establishing best practices. This role involves partnering directly with leaders at large enterprises and cutting-edge startups to understand their challenges and build AI agents that transform their operations. Your customer interactions will also shape the evolution of Sierra's core platform, influencing new tools, features, and the future of AI agent development.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Product Manager for Ghostwriter, an agent-building agent that transforms software development by allowing users to describe desired outcomes, which Ghostwriter then uses to create and deploy AI agents across various channels. As the PM for Ghostwriter, you will define the future of human-software interaction in the agent era, owning the end-to-end product experience from prompt to agent outcome and contributing to Sierra's growth.