Machine Learning Engineer
Witness AISan Francisco, California, United States
Posted October 3, 2025
125000 - 160000 USD year
Full Time
About the Company
Witness AI specializes in facilitating the secure adoption of enterprise AI by offering comprehensive security and governance solutions for both public and private large language models (LLMs). The company's Secure AI Enablement Platform provides visibility into employee AI usage, enables policy-based control over such use, and ensures data and topic security. This holistic approach helps organizations comply with AI regulations while protecting sensitive information.
Job Description
WitnessAI is a fast-growing SaaS startup focused on building AI security products, specifically for public and private LLMs. This Machine Learning Engineer role involves designing, building, and evaluating language models for scale and reliability, with a focus on ethical and secure AI practices. The role involves data curation, experimentation, visualization, and collaboration with researchers and data scientists.
Requirements
- 2-5+ years experience in machine learning or data science
- Strong software engineering background with Python and testing frameworks
- Proficiency in ML frameworks such as PyTorch
- Familiarity with deploying models on cloud platforms
- Familiarity with ML fundamentals (supervised/unsupervised learning, deep learning, NLP)
- Security Awareness
Benefits
- Hybrid work environment
- Competitive salary, health, dental, and vision insurance
- 401(k) plan
- Opportunities for professional development and growth
- Generous vacation policy
