Senior Multimodal AI Scientist — Agentic RL & LLMs

NVIDIA; California (MO); On-site; USD 152,000 - 242,000; Full time

Benefits offered by this job

Equity

Benefits

Job summary

NVIDIA is hiring Senior Deep Learning Scientists to advance multimodal AI and agentic systems. You will develop large language models, align methods, and benchmark multimodal datasets across audio-visual reasoning and voice chat.

Requirements include a Master’s or PhD in CS/AI, strong Python and PyTorch, experience with Transformers and mixture-of-experts, and hands-on multimodal model work. Competitive base salaries, equity and benefits offered.

Qualifications

• Master’s degree or PhD in Computer Science, AI or Applied Math with 5+ years of relevant work experience.
• Excellent programming skills in Python with strong fundamentals in scalable model development and deep learning frameworks like PyTorch.
• Strong knowledge of ML/DL techniques and modern foundation model architectures, including Transformers and mixture-of-experts models.
• Foundational understanding of reinforcement learning algorithms and implementation, including MDPs, policies and reward design.
• Hands-on experience in post-training multimodal models for omni-modality (audio-visual) reasoning, full-duplex voice chat and human-AI interaction.
• Proven ability to manage model development life cycles, including dataset versioning, experiment tracking and evaluation pipelines.

Responsibilities

• Apply fundamental and applied research to develop, train, fine-tune, and deploy large language models for agentic systems across audio-visual reasoning and tool usage.
• Advance post-training and alignment methods including instruction tuning and RLHF/RLVR/MOPD for multimodal agents.
• Research and develop agentic reasoning and grounded perception across digital and physical environments.
• Lead collection, development and benchmarking of multimodal datasets with high-quality evaluation.

Skills

Python programming

PyTorch

ML/DL techniques

Reinforcement learning

Multimodal models

Education

Master’s degree or PhD in Computer Science, AI or Applied Math

Tools

Transformers

Mixture-of-experts models

Job description

NVIDIA is hiring Senior Deep Learning Scientists to advance multimodal AI and agentic systems. You will develop large language models, align methods, and benchmark multimodal datasets across audio-visual reasoning and voice chat.

Requirements include a Master’s or PhD in CS/AI, strong Python and PyTorch, experience with Transformers and mixture-of-experts, and hands-on multimodal model work. Competitive base salaries, equity and benefits offered.