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60 mechanical engineer intern jobs at 43 companies in San Jose, CA

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Mechanical Engineer Intern
San Francisco, California, United States
OnsiteInternship, Temporary
Foundation Robotics
Foundation Robotics: Building general-purpose humanoid robots for industry and defense.
Pursuing a BS, MS, or PhD in mechanical engineering or a related field, with knowledge of mechanics, mechanism design, CAD, tolerance analysis, GD&T, FEA, actuation, and robotic hands.
SolidWorks, Fusion 360, CATIA, SolidWorks Simulation, ANSYS, CAD, FEA, GD&T
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1w
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Mechanical Engineer Intern
Brisbane, California, United States
$30-$34/hr OnsiteInternship
Heirloom
Heirloom: Removes carbon dioxide from the atmosphere using limestone minerals.
Pursuing or recently completing a mechanical engineering degree; hands-on building experience, 3D CAD experience, engineering fundamentals, testing methodology, problem-solving, and communication skills required.
CAD, Finite Element Analysis (FEA), Arduino, Raspberry Pi, Microsoft Excel
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2mo
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Intern, Mechanical Engineer (Fall term)
Scotts Valley, California, United States
OnsiteInternship
Heron Power
Heron Power: Developing solid-state transformers and power electronics to modernize electrical grids.
Pursuing a degree in mechanical engineering or related field; strong mechanical design experience; proficient in 3D CAD; basic electronics understanding; first principles design; good teamwork and communication.
CATIA
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14h
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Mechanical Engineer Intern (Winter 2027)
San Francisco, California, United States
$29/hr OnsiteInternship, Full Time
Astranis
Astranis: Builds and operates small geostationary communications satellites.
Currently pursuing a B.S. in mechanical engineering, aerospace engineering, or an equivalent technical field. Requires hands-on experience designing, building, and testing hardware; CAD and analysis experience are bonuses.
CAD
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3mo
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Intern - Mechanical Engineer
San Francisco or Toronto
HybridInternship
Human Computer Lab
Human Computer Lab: A robotics startup and research lab building expressive, human-centered robots for everyday environments.
Pursuing an engineering degree; experience designing robotics hardware, prototyping with microcontrollers and PCBs, strong CAD (Onshape/SolidWorks/Fusion360) and 3D printing skills, and interest in human-robot interaction.
Onshape, SolidWorks, Fusion360, microcontrollers, PCBs, 3D printing
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3w
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Mechanical Engineer Intern - Mechanism and Structures Design (Fall 2026)
Sunnyvale, California, United States
$5k-$6k/mo OnsiteFull Time, Internship
Strata Robotics
Strata Robotics: Developing autonomous robotic platforms for heavy outdoor construction.
Pursuing BS/MS in Mechanical Engineering, hands-on prototype build/assembly/test experience, NX CAD proficiency, fixture and mechanism design, shop comfort, attention to detail.
NX
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2mo
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Senior Mechanical Engineer
San Francisco, California, United States
$107k-$142k/yr OnsiteFull Time
SPAN
SPAN: Sells smart electrical panels for residential energy management.
5+ YOEBS in Mechanical Engineering, 5+ years mechanical design experience (or MS + 2+ years). Proficiency in SolidWorks, PLM, ASME Y14.5-2018, tolerance analysis, FMEA, DFM/DFA, and Google Workspace; experience with international manufacturing and mentoring.
ASME Y14.5-2018, SolidWorks, PLM, Google Workspace, JIRA, FMEA, DFM, DFA
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1mo
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Mechanical Design Intern (Winter 2027)
Burlingame, California, United States
$30/hr OnsiteInternship
Peak Energy
Peak Energy: Developing sodium-ion battery systems for utility-scale energy storage.
Pursuing mechanical engineering or equivalent degree; strong mechanical and thermal fundamentals; basic power electronics knowledge; familiarity with 3D CAD; prototyping experience; eligible to work in the U.S.
3D CAD, CATIA V6, Siemens NX, MATLAB, FEA, CFD
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1mo
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Mechanical Engineering Intern (Summer 2026)
San Francisco, California, United States
OnsiteInternship, Full Time
Blackstar Computers
Blackstar Computers: Building AI-native personal computing hardware and software systems.
Pursuing a mechanical engineering (or related) degree, proficiency with 3D CAD, understanding of tolerancing and manufacturing, available full-time in-person in San Francisco for ≥10 weeks.
3D CAD
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1mo
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2026-2027 Facilities Engineering Mechanical Engineering Intern
Houston or Bakersfield or Belle Chasse or North Salt Lake or Midland or Geismar or El Segundo or Pasadena or Pascagoula or Covington or Richmond or Ames or Greeley or Salt Lake City
$28-$52/hr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
0+ YOEPursuing BS/MS in mechanical engineering, strong academics, communication, teamwork and problem-solving; ability to demonstrate Chevron Way.
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Intern, Mechanical Design - Wiring Harness- Fall 2026
Palo Alto, California, United States
OnsiteInternship, Full Time
Mind Robotics
Mind Robotics: A robotics developing physical AI for industrial applications.
Currently pursuing mechanical, electrical, mechatronics, or related engineering; 3D assembly-level CAD, engineering drawings, GD&T, schematics, hands-on soldering and crimping experience required.
3DEXPERIENCE, CATIA, SolidWorks, Creo, NX, PLM, CAD, GD&T
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1mo
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Fall '26 Intern - Mechanical Engineering
San Francisco, California, United States
OnsiteMultiple Commitments Available
Moss
Moss: Builds robots to scan trees for automated farm inventory.
Hands-on hardware projects, structural analysis and failure-mode knowledge, CAD and FEA proficiency, GD&T understanding, sensor/power integration experience, and prototyping/assembly skills.
CAD, FEA, GD&T
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4d
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2027 Summer Mechanical Automation Engineering Intern
Milpitas, California, United States
$27-$31/hr OnsiteInternship, Full Time
MKS
MKSNASDAQ: MKSI: Provides advanced manufacturing technologies and foundational process control solutions.
Currently pursuing a relevant undergraduate degree; entry-level SolidWorks and 3D printing knowledge; mechanics and actuator design understanding; basic programming, preferably Python; optics experience and strong communication skills.
SolidWorks, Python, 3D printing, CAD
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1w
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Mechanical Engineering Internship
Alameda, California, United States
$30/hr OnsiteFull Time, Internship
Longshot Space Technologies
Longshot Space Technologies: Developing ground-based kinetic launch systems for hypersonic and space applications.
Pursuing B.S. or M.S. in Mechanical/Aerospace Engineering, experience with hand tools and machining, proficiency in SolidWorks, basic fluid dynamics/structures knowledge, and mechanical troubleshooting skills.
SolidWorks
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2w
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Mechanical Fixture Design Engineer (ME)
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Designs and produces precision RF and analog test equipment for wireless radios and transitions internal products from concept to mass production.
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3mo
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Process Engineer (Intern)
Milpitas, California, United States
$30-$40/hr OnsiteInternship, Full Time
Six Sigma Microelectronics
Six Sigma Microelectronics: A stable, high-technology manufacturing focused on semiconductor processes and soldering of high-reliability ICs.
0+ YOEPursuing BS in Chemistry, Process/Materials/Mechanical Engineering or related; basic tools, root-cause analysis, DOE; strong problem-solving and communication; MS Office; teamwork.
MS Office, Caliper, Micrometer, Optical Comparator, Reticle, Toolmakers Microscope
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WED - 2027 New Grad Mechanical & Fire Protection Engineer I (For Current & Recent HNTB Interns Only)
Oakland, California, United States
$83k-$125k/yr OnsiteFull Time
HNTB
HNTB: Infrastructure firm providing engineering, architecture, and construction management services.
Bachelor's degree in Engineering; current or recent HNTB intern status required. Assists with engineering designs, calculations, reports, plans, specifications, estimates, research, and field investigations.
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WED - 2027 New Grad Mechanical & Fire Protection Engineer I (For Current & Recent HNTB Interns Only)
Oakland, California, United States
$83k-$125k/yr OnsiteFull Time
HNTB
HNTB: Designs and manages large-scale transportation and infrastructure projects.
Bachelor's degree in Engineering required; position is limited to current and recent HNTB interns. Supports engineering design, calculations, reports, plans, estimates, research, and field investigations.
design tools, programs, software
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Product Design Engineer Intern
San Mateo, California, United States
$41-$58/hr OnsiteInternship
Skydio
Skydio: Develops autonomous AI drones for defense and industrial inspection.
Mechanical design experience with 3D CAD (CATIA valued), strong fundamentals, curiosity, prototyping and manufacturing understanding, and ability to work with cross-functional teams.
3D CAD, CATIA
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1mo
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Mechatronic Intern
Fremont, California, United States
$25-$35/hr OnsiteFull Time, Internship
Anyware Robotics
Anyware Robotics: Develops autonomous mobile robots for warehouse and logistics automation.
1+ YOEPursuing or holding an engineering degree (mechanical/mechatronics), 1+ year industry experience, hands-on prototyping and shop equipment experience, SolidWorks and GD&T knowledge, ability to work full-time onsite in Fremont.
SolidWorks, 3D printers
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