# Machine Learning Engineer, Integrity

**Company:** [OpenAI](https://hotfix.jobs/companies/openai)
**Location:** San Francisco, CA
**Role:** ML Engineering
**Salary:** $266k – $555k/yr
**Skills:** PyTorch, TensorFlow, Deep Learning, Transformers, LLMs, Llm Fine-Tuning, Data Pipelines, Data Structures, Algorithms, Supervised Fine-Tuning
**Posted:** 2026-03-17

> Deploys state-of-the-art ML models and fine-tunes LLMs in production to enhance platform integrity and safety against adversarial threats. Requires Master's/PhD, deep learning expertise, PyTorch/TensorFlow proficiency.

## Job Description

### Responsibilities
- Design and deploy advanced machine learning models to solve real-world problems.
- Collaborate with researchers, software engineers, and product managers on AI-powered solutions.
- Implement scalable data pipelines and optimize models for production.
- Engage with latest ML/AI developments, participate in code reviews, and maintain engineering practices.
- Monitor and maintain deployed models.

### Requirements
- Master's/PhD in Computer Science, Machine Learning, Data Science, or related field.
- Experience in deep learning and transformers models.
- Proficiency in PyTorch or TensorFlow.
- Strong foundation in data structures, algorithms, and software engineering.
- Familiarity with training/fine-tuning LLMs (distillation, supervised fine-tuning, policy optimization).
- Excellent problem-solving, analytical skills, and ability to work cross-functionally in fast-paced environment.

### Nice-to-Haves
- Experience with search relevance, ads ranking, or LLMs.

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