Cisco · 9 hours ago
AI Research Scientist PhD (Intern) - United States
United States
Internship
Remote
Intern
$44K/yr - $185K/yrCisco 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.
Communications InfrastructureEnterprise SoftwareHardwareSoftware
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
Qualification
Required
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
Preferred
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
Cisco
Cisco develops, manufactures, and sells networking hardware, telecommunications equipment, and other technology services and products. It is a sub-organization of Cisco Press.
Founded in 1984
10001+ employees
H1B Sponsorship
Cisco has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1238)
2024 (1231)
2023 (1273)
2022 (2127)
2021 (1991)
2020 (1173)
Funding
Current Stage
Public CompanyTotal Funding
unknown1990-02-13IPO
Leadership Team
Chuck Robbins
Chair and CEO
Carl Solder
Chief Technology Officer - Cisco System Australia/New Zealand
Recent News
2026-01-12
2026-01-11
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