OpenAI is seeking a Research Engineer/Scientist for their Deep Research team, responsible for building models that power Deep Research capability and future agentic offerings. This role combines ML engineering and research to improve model capabilities, working closely with product teams to develop new agentic capabilities, create evaluations, and pursue algorithmic improvements. Based in San Francisco with a hybrid work model (3 days in office), the position offers competitive compensation ($360K-$530K plus equity) and comprehensive benefits. The ideal candidate will have strong ML engineering skills, research experience, and product development interest. The role involves owning research agendas, building evaluations, and collaborating across teams. OpenAI's mission focuses on ensuring AI benefits humanity while maintaining safety and human needs at its core. The company offers a dynamic environment with opportunities to shape the future of AI technology.