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Research Engineer / Research Scientist, Post-Training

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OpenAI

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Location:
United States , San Francisco

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

295000.00 - 555000.00 USD / Year
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Job Description:

The Post-Training team is responsible for training and improving pre-trained models to be deployed into ChatGPT, the API, and potential future products. The team partners closely with research and product teams across the company, and conducts research as a final step to prepare for real world deployment to millions of users, ensuring that our models are safe, efficient, and reliable.

Job Responsibility:

  • Own and pursue a research agenda to improve model capability and performance
  • Collaborate closely with the other research and product teams, allowing customers to optimize their own models
  • Build robust evaluations for tracking modeling improvements
  • Design, implement, test, and debug code across our research stack

Requirements:

  • Deep understanding of machine learning and machine learning applications
  • Working knowledge of relevant models, and building evaluations for model capability improvement
  • Comfortable diving into a large ML codebase to debug
  • Thrive in a dynamic and technically complex environment
  • Strong ML engineering skills and research experience, especially with novel and highly capable models
  • Passionate about product-driven research
What we offer:
  • Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts
  • Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit)
  • 401(k) retirement plan with employer match
  • Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks)
  • Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees
  • 13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus paid sick or safe time (1 hour per 30 hours worked, or more, as required by applicable state or local law)
  • Mental health and wellness support
  • Employer-paid basic life and disability coverage
  • Annual learning and development stipend to fuel your professional growth
  • Daily meals in our offices, and meal delivery credits as eligible
  • Relocation support for eligible employees
  • Additional taxable fringe benefits, such as charitable donation matching and wellness stipends, may also be provided
  • Offers Equity
  • Performance-related bonus(es) for eligible employees

Additional Information:

Job Posted:
February 21, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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