Senior AI Research Scientist – Frontier & Scalable AI

Cisco Systems, Inc.; San Francisco (CA); On-site; USD 180,000 - 260,000; Full time

Job summary

Cisco Systems, Inc. in San Francisco seeks an AI Researcher to advance enterprise AI.

You will research, develop, and deploy advanced AI systems, focusing on large language models, agentic AI, and multimodal learning. You will design experiments, improve training algorithms, curate data at scale, and build reliable AI infrastructure, publishing results to top conferences and contributing to open-source projects.

Qualifications

• Bachelors +5 years of related experience in CS/AI/ML.
• Strong Python and PyTorch experience with production-grade software practices.
• Experience with LLMs, training, fine-tuning, evaluation, and optimization.
• Understanding data pipelines and scalable AI system design.

Responsibilities

• Develop scalable data curation and processing methods that improve model training and task-specific performance.
• Build production-ready AI systems using strong software engineering practices.
• Optimize large language models and agentic systems for enterprise and security-focused use cases.

Skills

Python

PyTorch

Production-grade

AI/ML libraries

LLMs

Model training

Data pipelines

Communication skills

Education

Bachelor's degree in CS/AI/ML

Master's degree

PhD

Tools

vLLM

NVIDIA Triton

TorchServe

Docker

Kubernetes

AWS

GCP

Azure

MLOps pipelines

Job description

Cisco Systems, Inc. in San Francisco seeks an AI Researcher to advance enterprise AI.

You will research, develop, and deploy advanced AI systems, focusing on large language models, agentic AI, and multimodal learning. You will design experiments, improve training algorithms, curate data at scale, and build reliable AI infrastructure, publishing results to top conferences and contributing to open-source projects.