99 research scientist intern jobs at 38 companies in United States

PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
3mo
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Research Scientist Intern (2026)
United States
RemoteInternship
Whiterabbit.ai
Whiterabbit.ai: Develops AI software for early detection of breast cancer.
Seeking a Research Scientist Intern with deep learning, Python, and medical imaging experience; ability to train on high-performance compute and publish findings.
Python, TensorFlow, PyTorch
3mo
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Research Scientist (Intern)
San Francisco, California, United States
OnsiteInternship
Xterra AI
Xterra AI: A stealth-mode AI research advancing foundation models.
0+ YOEInternship in ML/AI with hands-on RL/LLM experience preferred; strong research ability and publication potential.
2mo
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Research Scientist Intern PhD, Applied Research
Bellevue or Menlo Park or New York
$8k-$12k/mo OnsiteInternship
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
PhD in CS/AI/vision/audio or related field; work authorization; ML/NLP/vision experience; programming in Python/C/C++/Java; deep learning frameworks (PyTorch/TensorFlow).
Python, C++, C, Java, PyTorch, TensorFlow
2w
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2026 Intern Conversion: Research Scientist
Yorktown Heights, New York, United States
$119k-$179k/yr OnsiteFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Bachelor's degree required; successful completion of a 2025 IBM co-op or internship; strong research aptitude and willingness to work onsite in Yorktown Heights.
2w
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Research Scientist Intern (Monetization GenAI) - 2026 Start (PhD)
San Jose, California, United States
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
Currently pursuing a PhD in CS/ML or similar; experience with multimodality/foundation models, strong publication record, and research or internship experience in AI.
1mo
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Associate Research Scientist
New York City or Assergi
$85k-$91k/yr FieldFull Time
Columbia University
Columbia University: Private Ivy League research university providing higher education services.
3+ YOEPh.D. in Physics/Astrophysics, minimum 3 years postdoctoral experience, strong publication record, experience leading complex experimental projects and large-scale cryogenic/high-purity systems, and ability to supervise researchers; frequent international travel.
Python, CAD, P&IDs
2w
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Research Scientist Intern (AI Infrastructure)- 2026 Start (PhD)
Seattle, Washington, United States
OnsiteIntern
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
PhD student graduating in 2026 in CS/Engineering, strong systems/infrastructure and ML understanding, programming in Python/C++/Go/Rust, excellent communication and problem-solving skills.
Kubernetes, NCCL, RDMA, Spark, Beam, Dask, Flume, Airflow, Kubeflow, Metaflow, Python, C++, Go, Rust
4d
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Silicosis Research Scientist
Contra Costa County, California, United States
$7k-$10k/mo HybridFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Conduct data management and statistical analysis for silicosis surveillance using MS Access, Excel, and Statistical Analysis System; prepare tables, figures, and reports; collaborate with internal and external partners.
Microsoft Access, Microsoft Excel, Statistical Analysis System, Microsoft Teams, Microsoft SharePoint
1w
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AI Research Scientist - Intern [2027 Summer]
New York City, New York, United States
$5k-$6k/wk OnsiteInternship
Two Sigma
Two Sigma: Systematic investment management and quantitative trading firm.
Working toward MS (with work experience) or PhD (penultimate year), strong Python skills, deep learning/LLM/RL experience, Tensorflow or PyTorch knowledge, statistics and cloud/multi-machine experience.
Python, Rust, Java, Tensorflow, PyTorch
3w
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Research Scientist, Internal Medicine
Dallas, Texas, United States
OnsiteFull Time
University of Texas Southwestern Medical Center
University of Texas Southwestern Medical Center: Academic medical center providing patient care and medical research.
5+ YOEPhD/MS/BS with extensive research experience (minimum 5 years with PhD; higher experience required for lower degrees). Experience with murine experiments, immunophenotyping, specimen processing, data analysis, and scientific writing.
3mo
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Research Scientist II - Electrochemical Safety Research Institute
Houston, Texas, United States
$81k-$112k/yr OnsiteFull Time
UL Research Institutes
UL Research Institutes: Performs independent research to advance global public safety science.
6+ YOEPerform literature reviews, design and conduct experiments, analyze data, prepare reports, and collaborate with internal and external partners on electrochemical safety research.
DOE, Laboratory equipment, PXRD, FTIR, GC-MS, ARC, SEM-EDX, TGA-DSC, rheology, moisture analysis, optical imaging, Arbin, Gamry, Biologic, Neware, Python, VBA
3w
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Research Scientist, Internal Medicine
Dallas, Texas, United States
OnsiteFull Time
UT Southwestern Medical Center
UT Southwestern Medical Center: Academic medical center providing healthcare, research, and education.
5+ YOEPhD/Master's/Bachelor's in relevant field with multi-year research experience (PhD: 5+ yrs; Master's: 7+ yrs; Bachelor's: 9+ yrs). Experience with murine experiments, immunophenotyping, tissue/blood processing, multi-parameter data analysis, and manuscript preparation.
1mo
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Research Scientist (Prof Sedoc)
New York, New York, United States
$62k-$103k/yr OnsiteFull Time
New York University
New York University: A private research university providing higher education degree programs.
PhD in a related field, hands-on experience with LLM internals, strong Python and PyTorch skills, track record of peer-reviewed publications, experience designing evaluations and working with large model weights.
Python, PyTorch, Conceptor, LoRA, GPT-OSS, Llama, Gemma
1mo
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Senior Research Scientist- Internal Medicine Physiologist and Early Project Lead
Indianapolis, Indiana, United States
HybridFull Time
Elanco
ElancoNYSE: ELAN: Develops and sells health products for pets and farm animals.
Doctorate-level scientist (DVM with specialty training or PhD) with experience in translational/physiology research, biomarker and mechanistic approaches, ability to design/interpret studies, and strong cross-functional communication.
flow cytometry, transcriptomics, proteomics, AI, New Approach Methodologies, GLP/GxP
1mo
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HPLC Research Scientist
Totowa, New Jersey, United States
$106k-$180k/yr OnsiteFull Time
KLA
KLANASDAQ: KLAC: Provides process control and yield management for semiconductor manufacturing.
0+ YOEDevelop and validate chromatography analytical methods (HPLC/uPLC, GC, IC, MS); conduct GLP experiments, apply Design of Experiments, prepare technical reports and publications; doctorate/master's/bachelor's with specified experience levels; up to 20% international travel.
HPLC, uPLC, GC, IC, MS
2mo
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Applied Scientist Intern
Chicago, Illinois, United States
OnsiteInternship
Vecna AI
Vecna AI: Building agent orchestration infrastructure for autonomous, long-horizon operations.
Pursuing MS or PhD in ML/CS or equivalent; experience with modeling; proficient in PyTorch; exposure to RLHF/DPO/GRPO; strong research and implementation skills.
PyTorch
2w
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Prin. Scientist, Clinical Research
Pennsylvania or Boston or Rahway
$191k-$300k/yr HybridFull Time
Merck & Co.
Merck & Co.NYSE: MRK: Produces prescription medicines, vaccines, and animal health products.
MD/PhD or MD required; strong translational research and early clinical development experience; clinical expertise in internal medicine/pathology/oncology; scientific writing and leadership skills.
1w
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Engineer/Scientist Intern
Chesapeake, Virginia, United States
$60k/yr OnsiteInternship
Ignite Digital Services
Ignite Digital Services: Providing digital transformation and data analytics for national security agencies.
BS in engineering/physics/network security/information systems/computer science or 90+ credit student with 3.0 GPA; eligible for DoD SECRET clearance; strong analytical and communication skills; no prior experience required.
3w
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Scientist Intern (SA Lab) Fall 2026
Northwood, Ohio, United States
OnsiteFull Time, Internship
Pilkington North America
Pilkington North AmericaTokyo Stock Exchange: 5202: Manufacturing glass and glazing products for automotive and building sectors.
Pursuing an undergraduate degree in science or engineering; hands-on technical skills; strong analytical/problem-solving ability; teamwork and communication skills; proficiency with Microsoft Office; commitment to safe, ethical behavior.
Lambda 1050 Spectrophotometer, Haze Gard, Colorsphere, FTIR, Four Point Probe, Profilometer, FAAS, ERS, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
2w
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Marine Scientist Intern
Boca Raton, Florida, United States
$21-$25/hr OnsitePart Time
APTIM
APTIM: Provides environmental, resilience, and infrastructure engineering solutions.
0+ YOEBachelor's in Geology or related, 0–5 years geology experience, mechanical sieve and sediment core processing experience, Microsoft Office proficiency, ArcGIS preferred, strong communication, clean driving record.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, ArcGIS