[Remote] AI Research Scientist PhD (Intern) - United States

Note: The job is a remote job and is open to candidates in USA. Cisco is a leading technology company focused on revolutionizing how data and infrastructure connect in the AI era. The AI Research Intern will work with a collaborative team to analyze data and build machine learning models, contributing to research initiatives and helping to drive strategic decisions.

Responsibilities

• Contribute to sophisticated research in large language models (LLMs), natural language processing (NLP), and multimodal deep learning
• Help build, implement, and evaluate machine learning models and algorithms
• Participate in data collection, preprocessing, and analysis
• Assist in developing and fine-tuning AI models for a variety of applications
• Support research initiatives by creating experiments, comparing algorithms, tuning hyperparameters, and documenting results
• Share findings with the team, contribute to reports and presentations, and help onboard new team members

Skills

• Currently enrolled in a PhD program in Computer Science, Artificial Intelligence, Machine Learning, or a related field
• Strong understanding of machine learning, deep learning, and natural language processing concepts, validated through academic, project, or professional work
• Experience training large language models (LLMs)—including modeling, optimization, fine-tuning, and serving—using Python and common AI libraries (e.g., TensorFlow, PyTorch, Hugging Face Transformers), evidenced through academic, project, or professional work
• Familiarity with agentic AI concepts, agent frameworks, and related applications
• Proficiency in software development, with experience in relevant programming languages (such as Python and Go) and associated tools
• Experience working with inference engines (e.g., vLLM, Triton, TorchServe) for LLM serving and optimization
• Familiarity with containerization and cloud platforms (such as Docker and AWS), as well as distributed systems for scaling and deploying AI models

Benefits

• Medical, dental and vision insurance
• A 401(k) plan with a Cisco matching contribution
• Paid parental leave
• Short and long-term disability coverage
• Basic life insurance
• 10 paid holidays per full calendar year, plus 1 floating holiday for non-exempt employees
• 1 paid day off for employee’s birthday
• Paid year-end holiday shutdown
• 4 paid days off for personal wellness determined by Cisco
• 16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees
• Flexible vacation time off program
• 80 hours of sick time off provided on hire date and each January 1st thereafter
• Up to 80 hours of unused sick time carried forward from one calendar year to the next
• Additional paid time away may be requested to deal with critical or emergency issues for family members
• Optional 10 paid days per full calendar year to volunteer
• Annual bonuses subject to Cisco’s policies

Company Overview

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