AI Research Scientist, PhD – Intern

Cisco

AI Research Intern at Cisco contributing to research in AI and machine learning models. Collaborating with senior researchers and cross-functional teams in large language models and NLP.

Posted 6/19/2026internshipRemote • California, Connecticut, New York • 🇺🇸 United StatesEntry Level💰 $44,000 - $130,000 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudDockerGoPythonPyTorchTensorflow

About the role

Key responsibilities & impact

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 various applications
Create experiments, compare algorithms, tune hyperparameters, and document results
Share findings with the team, contribute to reports and presentations, and help onboard new team members

Requirements

What you’ll need

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
Experience training large language models (LLMs) using Python and common AI libraries (e.g., TensorFlow, PyTorch, Hugging Face Transformers)
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)
Experience working with inference engines (e.g., vLLM, Triton, TorchServe)
Familiarity with containerization and cloud platforms (such as Docker and AWS)

Benefits

Comp & perks

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
16 days of paid vacation time per full calendar year for non-exempt employees
flexible vacation time off program for exempt employees
80 hours of sick time off provided on hire date
optional 10 paid days per full calendar year to volunteer

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

machine learningdeep learningnatural language processinglarge language modelsPythonTensorFlowPyTorchHugging Face TransformersGohyperparameter tuning

Soft Skills

team collaborationcommunicationreport writingpresentation skillsonboarding