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17 data engineer internship jobs at 16 companies in Ontario, CA

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Financial Analyst Internship - Fall 2026
El Segundo, California, United States
OnsiteFull Time, Internship
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
Currently enrolled in an undergraduate or graduate program; major in Computer Science or Computer Engineering; proficient in Python, R, Java, Linux, C++, or VMware; knowledge of AI/ML and LLMs; familiar with TensorFlow, PyTorch, scikit-learn.
Python, R, Java, Linux, C++, VMware, TensorFlow, PyTorch, scikit-learn, Matplotlib, Seaborn, AWS, Google Cloud, Azure
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3mo
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Powertrain Performance Test Engineer (Chino, CA, US, 91710)
Chino, California, United States
$70k-$93k/yr OnsiteFull Time
Hyundai America Technical Center
Hyundai America Technical CenterKorea Exchange: 005380: Designs and engineers vehicles for the North American market.
1+ YOEBachelor in Mechanical or Aerospace; 1+ years engineering experience; automotive internship; data acquisition; MATLAB; driving license; strong communication.
MATLAB, Data acquisition systems, Microsoft Office
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1mo
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Process Engineering Internship (Fall 2026)
Los Angeles or Hawthorne or El Segundo
$30-$35/hr OnsiteFull Time, Internship
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
Currently pursuing a Bachelor's in materials science, physics, or engineering; experimental design and statistical data analysis experience; strong data analysis skills; experience with Python and/or MATLAB.
Python, MATLAB, R, JMP, Minitab
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3w
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Software Engineer I, Mission Software
Long Beach, California, United States
$111k-$157k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
1+ YOEBachelor's in CS/math/engineering required; 1+ year academic/internship software experience preferred. Experience with full-stack development, APIs, containers, time-series data, and modern web frameworks.
Docker, Kubernetes, React, Next.js, Vue, GraphQL, REST, RPC, Node.js, OAuth, Terraform, Helm, SQL, Monitoring, Observability, Instrumentation
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3w
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2027 North America Software Engineering Internship
Bellevue or Boulder or Denver or Irvine or New York or Seattle
$46-$62/yr HybridInternship
The Trade Desk
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
Enrolled in a Bachelor's or Master's program, expected to graduate 2027–2028; fluent in one or more object-oriented languages; strong data structures and algorithms; available to work 3 days in office (Tue–Thu).
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4w
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Intern, Power Electronics Engineering
Garden Grove, California, United States
$25-$35/hr HybridMultiple Commitments Available
Harbinger
Harbinger: Produces electric chassis platforms for medium-duty commercial transport vehicles.
Engineering student enrolled in bachelor's/masters/PhD in power electronics, hands-on power electronics coursework/experience, knowledge of analog/digital circuits, PCB layout, high-voltage automotive systems, and data acquisition.
LTspice, PLECS
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7h
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Machine Learning Engineer Intern (E-Commerce Recommendation/Search Alliance) - 2027 Start (PhD)
Seattle or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
PhD candidate in a technical discipline with strong data structures, algorithms, problem-solving, machine learning, statistics, and big data engineering knowledge.
Large Language Models (LLMs), Natural Language Processing (NLP)
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1mo
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2027 Software Engineer Intern
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yr OnsiteInternship, Full Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor\u0002s in CS or related field, rising senior returning to school, proficiency in C++, Go, Rust, Java, or Python, familiarity with algorithms, data structures, cloud and front-end concepts, and U.S. Person status required.
C++, Go, Rust, Java, Python, Lattice OS
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3mo
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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
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2mo
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Data Engineering Intern, AI & Analytics - Fall 2026
Palo Alto or Irvine
$45-$51/hr OnsiteInternship, Full Time
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle technology and AI-driven connectivity solutions.
Currently pursuing an MS or PhD in CS/ML/EE or related field; strong Python skills, experience with PyTorch or TensorFlow, solid ML/deep learning and reinforcement learning fundamentals, and familiarity with multimodal/foundation models.
Python, PyTorch, TensorFlow, Cursor
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2mo
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Analyst Client Solutions
Newport Beach, California, United States
$90k-$100k/yr OnsiteFull Time
PIMCO
PIMCO: Global investment management firm specializing in fixed income strategies.
0+ YOEFour-year degree in Business/Finance/Economics/Math/Engineering; 3.2+ GPA; 0-2 years internship/professional experience; fluent in English; willing to relocate to Newport Beach, CA.
Microsoft Excel, Microsoft PowerPoint, Proprietary software, Risk analytics tools
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3d
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Boeing Summer 2027 Internship Program (Paid) – Information Digital Technology & Security (IDT&S)
Everett or Saint Charles or Mukilteo or Berkeley or Hazelwood or El Segundo or Renton or Seattle or Auburn or Bellevue or Kent or Plano or Arlington or Ridley Park or Tukwila or Mesa or North Charleston
$44k-$89k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Enrolled student eligible to work full-time for 10–12 weeks Summer 2027; majors in computing, data, engineering or related fields preferred; strong academics and teamwork; ability to relocate as needed.
Python
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2mo
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Finance Associate, EDV Program
Irvine, California, United States
$85k-$95k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
0+ YOEBachelor’s degree in Finance, Accounting, Economics, Engineering, or related quantitative field; 0–2 years experience; financial modeling, data analysis; Excel proficiency; internship in manufacturing/operations preferred; BI tools experience.
Excel, Google Sheets, ERP, BI Dashboards, Oracle Hyperion, Smartview, Hex, Databricks
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2mo
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Senior Electrical Test Technician
Costa Mesa, California, United States
$41-$55/hr OnsiteAll Commitments Available
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
4+ YOEAssociate degree; 4+ years electronics testing in R&D; reading schematics; knowledge of test equipment; strong problem-solving; US Person for export-controlled data; ability to lift 25 lbs.
Power supplies, Electronic loads, Oscilloscope, Function generators, Data acquisition, Measurement sensors
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2mo
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Supply Chain Intern - Fluid Systems Division
Irvine, California, United States
$18-$31/hr OnsiteInternship
Parker Hannifin
Parker HannifinNYSE: PH: Manufacturer of motion and control technologies and systems.
Pursuing a bachelor’s degree in Business, Supply Chain or Industrial Systems Engineering; leadership experience; willingness to work in a manufacturing environment; GPA 3.0+ preferred; geographic mobility.
KPI dashboards, Data analysis, Excel
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1w
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Operations Co-Op/Intern (Fall/Winter 2026)
North Hollywood, California, United States
OnsiteInternship
Precision Castparts Corp.
Precision Castparts Corp.NYSE: BRK.B: Manufacturer of complex metal components for aerospace and industrial markets.
Currently pursuing a BS in Operations Management, Engineering, or Business Management (completed at least freshman year). Interest in manufacturing operations and leadership, continuous improvement, data analysis, root cause problem solving, and mechanical aptitude.
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1mo
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Engineering Research Assistant
Orange or Santa Ana
$18/hr OnsiteMultiple Commitments Available
Chapman University
Chapman University: A private university offering undergraduate and graduate degree programs.
Conduct background research and field measurements, summarize research data, strong communication skills, ability to take direction and work on a team; familiarity with database management and programming desired.
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