13 research engineer intern jobs at 6 companies in Danbury, CT

4d
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2027 PhD Research Engineering Intern/Co-op
Austin or Boxborough or Fort Collins or Longmont or Fishkill or Rochester or Secaucus
$92k-$137k/yr HybridInternship, Temporary
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
Current PhD student at a US university in computer science, computer engineering, electrical engineering, or related field; knowledge of listed programming, hardware, ML, or systems technologies encouraged.
C, C++, Verilog HDL, Python, P4, ML frameworks, Java, MATLAB, Go, FPGA, ASIC, RTL, GPUs, PyTorch, TensorFlow
2w
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Quantitative Research Engineer – PhD Intern (US)
New York City or Miami or Greenwich or Houston
$5k-$6k/wk OnsiteInternship
Citadel
Citadel: Global alternative investment management firm
PhD in computer science, mathematics, statistics, physics, or another quantitative field; programming proficiency in C++, Python, or R; software development experience and strong communication skills.
C++, Python, R
1mo
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2026 Intern Conversion: Hardware Engineer
Yorktown Heights or Albany
$122k-$182k/yr OnsiteFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Bachelor's degree and successful completion of a 2025 IBM co-op or internship; entry-level hardware engineering role within IBM Research, onsite in New York.
1w
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2027 Summer Intern: R&D (PhD)
Barrington or Plano or Valhalla or New York
$21-$55/hr OnsiteFull Time, Internship
PepsiCo
PepsiCoNASDAQ: PEP: Global food and beverage manufacturing and distributing consumer goods.
Currently pursuing an Engineering, Food Science, Agriculture, or related degree; PhD candidates completing at least their first year; U.S. work authorization without sponsorship; communication, project management, and technical research skills.
6d
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2027 Summer Intern: R&D (PhD)
Valhalla or Plano or Barrington
$21-$55/hr OnsiteInternship, Full Time
PepsiCo
PepsiCoNASDAQ: PEP: Global manufacturer and distributor of snacks and beverages.
Pursuing an engineering, food science, agriculture, or related degree; PhD students must be completing their first year. Requires U.S. work authorization, communication, project management, and technical problem-solving skills.
Data Science, R&D Data and Systems
6d
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2027 Summer Intern: R&D (PhD)
Valhalla or Plano or Barrington
$21-$55/hr OnsiteInternship, Full Time
PepsiCo
PepsiCoNASDAQ: PEP: Produces and distributes global snack and beverage products.
Currently pursuing an Engineering, Food Science, Agriculture, or related degree; PhD candidates completing their first study year. Must graduate within one year, work indefinitely in the U.S., communicate effectively, manage projects, and work in laboratory and manufacturing environments.
1w
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Ph.D. Intern, 6G Wireless Systems - Sept 2026
Conshohocken or Manhattan or Melville
$45-$50/hr OnsiteFull Time, Internship
InterDigital
InterDigitalNASDAQ: IDCC: Develops and licenses foundational wireless and video communication technologies.
Ph.D. student in electrical engineering or related field with wireless communications, physical layer, AI/ML, communication theory, digital signal processing, simulation, and MATLAB or Sionna experience.
MATLAB, Python, Sionna, GitHub
1w
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2027 Summer Intern: R&D (Undergrad and Grad)
Valhalla or Plano
$21-$44/hr OnsiteInternship
PepsiCo
PepsiCoNASDAQ: PEP: Produces and distributes global snack and beverage products.
Currently pursuing an engineering, food science, agriculture, or related degree; must graduate within one year after the internship, have indefinite US work authorization, and communicate effectively.
Data Science
2w
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2027 Summer Intern: R&D (Undergrad and Grad)
Valhalla or Plano or Purchase
$21-$44/hr OnsiteInternship, Full Time
PepsiCo
PepsiCoNASDAQ: PEP: Global food and beverage manufacturing and distributing consumer goods.
Pursuing an engineering, food science, agriculture, or related degree; graduating within one year; unrestricted U.S. work authorization; communication, project management, scientific, and technical skills; willingness to travel.
Data Science
1w
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2027 Summer Intern: R&D (Undergrad and Grad)
Valhalla or Plano
$21-$44/hr OnsiteInternship, Full Time
PepsiCo
PepsiCoNASDAQ: PEP: Global manufacturer and distributor of snacks and beverages.
Pursuing an engineering, food science, agriculture, or related degree; completing at least the first year and graduating within one year after the internship. Requires U.S. work authorization, communication, project, and technical skills.
Data Science
4d
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2027 Masters Machine Learning (ML)/ Artificial Intelligence (AI) intern/co-op
Austin or Boxborough or Fort Collins or Longmont or Fishkill or Rochester
$80k-$120k/yr HybridInternship, Temporary
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
Current master's student in computer science, computer engineering, data science, analytics, or a related field; knowledge of ML, AI, computer vision, Python, C/C++, databases, frameworks, and cloud platforms.
Python, C, C++, SQL, PyTorch, TensorFlow, Caffe, AWS, GCP, Azure
4d
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2027 Undergrad Machine Learning (ML)/ Artificial Intelligence (AI) intern/co-op
Austin or Boxborough or Fort Collins or Longmont or Fishkill or Rochester
HybridInternship, Temporary
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
Currently enrolled in a US undergraduate program in computer science, computer engineering, data science, analytics, or a related field; knowledge of ML, Python, C/C++, databases, AI frameworks, and cloud platforms preferred.
Python, C, C++, SQL, PyTorch, TensorFlow, Caffe, AWS, GCP, Azure
2w
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New Grad Returning Planner I - NED Summer 2027 (For Current/Former HNTB Interns Only)
New York City or South Portland or Princeton or Bedford or Boston or Newark or Cherry Hill or Parsippany or South Norwalk or Rocky Hill or Chelmsford
$59k-$111k/yr OnsiteFull Time
HNTB
HNTB: Designs and manages large-scale transportation and infrastructure projects.
Bachelor’s degree in urban planning, geography, engineering, or related field; understanding of GIS software and Microsoft Office Suite. Planning internship or prior experience preferred.
GIS, Microsoft Office Suite