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1,000+ Mechanical Engineering Intern Jobs in United States

Fall 2025 Internship - Mechanical/Aerospace Engineering

Fall 2025 Internship - Mechanical/Aerospace Engineering

Vast

Long Beach, CA 2 days ago
Mechanical Engineering Internship, Prototyping

Mechanical Engineering Internship, Prototyping

1X

Palo Alto, CA 1 day ago
Mechanical Engineer — Intern (Fall 2025)

Mechanical Engineer — Intern (Fall 2025)

Astranis Space Technologies

San Francisco, CA 1 day ago
Mechanical, Project Intern

Mechanical, Project Intern

EMCOR Group, Inc.

Columbus, OH 2 weeks ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

Los Angeles, CA 2 weeks ago
Mechanical Engineer Intern (Spring, Summer 2025)

Mechanical Engineer Intern (Spring, Summer 2025)

Pond & Company

Peachtree Corners, GA 5 days ago
Mechanical Engineer (Fall/Winter 2025 Internship)

Mechanical Engineer (Fall/Winter 2025 Internship)

Reliable Robotics Corporation

Mountain View, CA 2 weeks ago
Intern/Co-op - Mechanical

Intern/Co-op - Mechanical

RMF Engineering, Inc.

Columbus, OH
Be an early applicant
1 month ago
Engineering Intern - NASA Ames

Engineering Intern - NASA Ames

Astrion

Mountain View, CA 3 months ago
Mechanical Engineer Intern (Fall 2025)

Mechanical Engineer Intern (Fall 2025)

Figure

San Jose, CA 1 week ago
Mechanical Engineer Intern

Mechanical Engineer Intern

Parker Hannifin

Irvine, CA 2 weeks ago
Intern: Manufacturing Engineer (Fall 2025)

Intern: Manufacturing Engineer (Fall 2025)

Volvo Group

Middletown, PA 1 week ago
Mechanical Engineering Intern / Associate Engineer

Mechanical Engineering Intern / Associate Engineer

Shinkei

Los Angeles, CA 3 months ago
Mechanical Engineer Intern

Mechanical Engineer Intern

PENTAX Medical Americas

Redwood City, CA 2 days ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

Martinez, CA 1 day ago
Mechanical Engineer Intern (Fall 2025)

Mechanical Engineer Intern (Fall 2025)

Thornton Tomasetti

New York, NY 1 week ago
INTERN - Mechanical Engineer - Co-Op

INTERN - Mechanical Engineer - Co-Op

Guntert & Zimmerman (G&Z)

Ripon, CA 1 year ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

Detroit, MI 3 weeks ago
Mechanical Engineering Intern

Mechanical Engineering Intern

Gasser Chair

Youngstown, OH 1 month ago
Mechanical Engineer — Associate Program (Fall 2025)

Mechanical Engineer — Associate Program (Fall 2025)

Astranis Space Technologies

San Francisco, CA 2 days ago
Continuous Improvement Engineer Intern - LV

Continuous Improvement Engineer Intern - LV

Jensen Infrastructure

North Las Vegas, NV 1 month ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

Salt Lake City, UT 2 weeks ago
Mechanical Engineering Intern

Mechanical Engineering Intern

Hut 8

Dallas, TX 1 week ago
Manufacturing Engineer Intern - 33rd St.

Manufacturing Engineer Intern - 33rd St.

Viant Medical

Grand Rapids, MI 2 months ago
Mechanical Engineering Intern (Fall 2025)

Mechanical Engineering Intern (Fall 2025)

Zipline

South San Francisco, CA 1 week ago
Mechanical Engineer Intern - Fall 2025

Mechanical Engineer Intern - Fall 2025

Hermeus

Los Angeles, CA
Be an early applicant
1 week ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

Texas City, TX 2 weeks ago
Manufacturing Engineer Intern

Manufacturing Engineer Intern

Crissair Inc

Santa Clarita, CA 2 weeks ago
Intern/Co-op - Refining Mechanical Engineer Spring 2026

Intern/Co-op - Refining Mechanical Engineer Spring 2026

Marathon Petroleum Corporation

Los Angeles, CA 3 weeks ago
Product Engineer Intern

Product Engineer Intern

Nowadays (YC S23)

San Francisco, CA 2 weeks ago
Continuous Improvement Engineer Intern - PHX

Continuous Improvement Engineer Intern - PHX

Jensen Infrastructure

Phoenix, AZ 1 month ago
Intern - Manufacturing Engineer - Fall 2025

Intern - Manufacturing Engineer - Fall 2025

Price Industries

Suwanee, GA 2 weeks ago
Engineering Intern - NASA Ames

Engineering Intern - NASA Ames

Astrion

California, MD 13 hours ago
Manufacturing Engineer Intern - Fall 2025

Manufacturing Engineer Intern - Fall 2025

Hermeus

Atlanta, GA
Be an early applicant
2 weeks ago
Mechanical Engineer Intern

Mechanical Engineer Intern

PENTAX Medical

Redwood City, CA 2 days ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

St Paul Park, MN 1 week ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

Garyville, LA 2 weeks ago
Mechanical Engineering Intern - Fall 2025

Mechanical Engineering Intern - Fall 2025

AMETEK

Kent, OH 2 weeks ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

Findlay, OH 2 weeks ago
Manufacturing Engineer Intern

Manufacturing Engineer Intern

Humphrey Products

Kalamazoo, MI 1 month ago
Flight Test Engineer Intern

Flight Test Engineer Intern

Joby Aviation

Marina, CA 1 day ago
Glassboard Mechanical Engineering Intern 2025

Glassboard Mechanical Engineering Intern 2025

Glassboard

Indianapolis, IN 1 month ago
Mechanical Engineer, Intern

Mechanical Engineer, Intern

Heron Power

Scotts Valley, CA 1 month ago
Manufacturing Engineer Intern

Manufacturing Engineer Intern

Fuyao Glass Corporation of America

Moraine, OH 3 months ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

El Paso, TX 1 week ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

Robinson, IL 6 days ago
Mechanical/Industrial Engineer Intern

Mechanical/Industrial Engineer Intern

Imerys

Marble Hill, GA 6 months ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

Catlettsburg, KY 2 weeks ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

Canton, OH 3 weeks ago
Spring Semester 2026 Internship - Mechanical Engineering

Spring Semester 2026 Internship - Mechanical Engineering

Xcimer Energy Corporation

Denver, CO 2 weeks ago
Intern, Manufacturing Engineering

Intern, Manufacturing Engineering

Integrated Polymer Solutions (IPS)

San Fernando, CA 4 days ago
Manufacturing Engineer Intern (Fall 2025)

Manufacturing Engineer Intern (Fall 2025)

Figure

San Jose, CA 1 week ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

Anacortes, WA 1 week ago
Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Marathon Petroleum Corporation

Kenai, AK 1 week ago
Mechanical Engineering Intern - Fall 2025

Mechanical Engineering Intern - Fall 2025

Roush

Livonia, MI 4 weeks ago
Mechanical Engineering Intern

Mechanical Engineering Intern

Tecnadyne

San Diego Metropolitan Area 6 days ago
Fall Mechanical Test and Integration Intern/Co-op

Fall Mechanical Test and Integration Intern/Co-op

Fulfil

Portland, OR 2 months ago
MECHANICAL DESIGN ENGINEER ( Entry Level -> 0-5 Years Experience)

MECHANICAL DESIGN ENGINEER ( Entry Level -> 0-5 Years Experience)

FPC (FORTUNE PERSONNEL CONSULTANTS - Orlando Office)

Lafayette, Indiana Metropolitan Area
Medical insurance +3 benefits
1 week ago
Refining Engineer 1 - Mechanical Engineer - Intern to Full-Time Conversion

Refining Engineer 1 - Mechanical Engineer - Intern to Full-Time Conversion

Marathon Petroleum Corporation

Los Angeles, CA 1 week ago
Intern/Co-op - Refining Mechanical Engineer Spring 2026

Intern/Co-op - Refining Mechanical Engineer Spring 2026

Marathon Petroleum Corporation

Martinez, CA 3 weeks ago

1,000+ Mechanical Engineering Intern Jobs in United States

Fall 2025 Internship - Mechanical/Aerospace Engineering

Mechanical Engineering Internship, Prototyping

Mechanical Engineer — Intern (Fall 2025)

Mechanical, Project Intern

Refining Mechanical Engineer Intern/co-op Fall 2025

Mechanical Engineer Intern (Spring, Summer 2025)

Mechanical Engineer (Fall/Winter 2025 Internship)

Intern/Co-op - Mechanical

Engineering Intern - NASA Ames

Mechanical Engineer Intern (Fall 2025)

Mechanical Engineer Intern

Intern: Manufacturing Engineer (Fall 2025)

Mechanical Engineering Intern / Associate Engineer

Mechanical Engineer Intern

Refining Mechanical Engineer Intern/co-op Fall 2025

Mechanical Engineer Intern (Fall 2025)

INTERN - Mechanical Engineer - Co-Op

Refining Mechanical Engineer Intern/co-op Fall 2025

Mechanical Engineering Intern

Mechanical Engineer — Associate Program (Fall 2025)

Continuous Improvement Engineer Intern - LV

Refining Mechanical Engineer Intern/co-op Fall 2025

Mechanical Engineering Intern

Manufacturing Engineer Intern - 33rd St.

Mechanical Engineering Intern (Fall 2025)

Mechanical Engineer Intern - Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Manufacturing Engineer Intern

Intern/Co-op - Refining Mechanical Engineer Spring 2026

Product Engineer Intern

Continuous Improvement Engineer Intern - PHX

Intern - Manufacturing Engineer - Fall 2025

Engineering Intern - NASA Ames

Manufacturing Engineer Intern - Fall 2025

Mechanical Engineer Intern

Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Mechanical Engineering Intern - Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Manufacturing Engineer Intern

Flight Test Engineer Intern

Glassboard Mechanical Engineering Intern 2025

Mechanical Engineer, Intern

Manufacturing Engineer Intern

Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Mechanical/Industrial Engineer Intern

Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Spring Semester 2026 Internship - Mechanical Engineering

Intern, Manufacturing Engineering

Manufacturing Engineer Intern (Fall 2025)

Refining Mechanical Engineer Intern/co-op Fall 2025

Refining Mechanical Engineer Intern/co-op Fall 2025

Mechanical Engineering Intern - Fall 2025

Mechanical Engineering Intern

Fall Mechanical Test and Integration Intern/Co-op

MECHANICAL DESIGN ENGINEER ( Entry Level -> 0-5 Years Experience)

Refining Engineer 1 - Mechanical Engineer - Intern to Full-Time Conversion

Intern/Co-op - Refining Mechanical Engineer Spring 2026

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