OpenAI is seeking a Research Engineer/Scientist to join their Deep Research team, responsible for building models that power their Deep Research capability and future agentic offerings. This role combines cutting-edge ML research with practical product development, focusing on improving model capabilities, developing evaluation methods, and pursuing algorithmic improvements. Based in San Francisco with a hybrid work model, the position offers a competitive salary range of $295K-$530K plus equity and comprehensive benefits. The ideal candidate will have strong ML engineering skills, research experience, and a passion for product development. The role involves working closely with product teams to identify new capabilities, develop training methods, and create robust evaluation systems. OpenAI offers a dynamic environment where you'll contribute to shaping the future of AI technology while ensuring it benefits humanity.