Mechanical Systems Engineer Internships

Mechanical systems engineer internships give university students, recent graduates, and early-career switchers hands-on project experience, mentorship from working engineers, and, at many employers, a path toward a full-time offer. Openings are concentrated in {{top_industries_phrase}}, with Ghafari, The Foth Companies, and Methods Machine Tools among the employers posting roles now.

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Overview

Open roles12
Top stateWisconsin
Top employerGhafari
Top cityGreen Bay, WI
Work type100% On-site
Top credentialMilitary encouraged

Showing 5 of 12+ Mechanical Systems Engineer Internships

Mechanical Engineering Intern, Baggage Handling Systems
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Mechanical Engineering Intern, Baggage Handling Systems
Introba
Irving, Texas
Accounting
Business Operations
Tax
$23 - $28/hr
1,001-5,000

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Systems Engineer Intern (Mechanical Focus), Summer 2027
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Systems Engineer Intern (Mechanical Focus), Summer 2027
BAE Systems USA
Rockville, Maryland
Electrical Engineering
Engineering (Non-Software)
Mechanical Engineering
$50k - $69k/yr
10,000+

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Electro-Mechanical Systems Engineer Co-op - Winter 2027
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Electro-Mechanical Systems Engineer Co-op - Winter 2027
Methods Machine Tools Inc.
Charlotte, North Carolina
Software Engineering
Technical Product & Program Management
UI/UX Design
ISO certification audits
201-500

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Electro-Mechanical Systems Engineer Co-op - Winter 2027
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Electro-Mechanical Systems Engineer Co-op - Winter 2027
Methods Machine Tools Inc.
Sudbury, Massachusetts
Engineering (Non-Software)
Systems Administration
Technical Program Management
ISO certification audits
201-500

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2027 Summer Intern - Mechanical Engineering (HVAC/Building Systems)
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2027 Summer Intern - Mechanical Engineering (HVAC/Building Systems)
Ghafari
Dearborn, Michigan
Engineering (Non-Software)
Manufacturing Engineering
Mechanical Engineering
201-500

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Mechanical Systems Engineer Internship Market

Who's Hiring

Ghafari2 open roles
The Foth Companies2 open roles
Methods Machine Tools2 open roles

Tips for Your Mechanical Systems Engineer Internship Search

Apply in the fall for summer cohorts

Large aerospace, defense, and manufacturing employers open summer intern recruiting the preceding fall and close cohorts months before the program starts. Set a reminder to search for mechanical systems engineer internships in September and October rather than waiting until spring, when many structured programs are already full.

Build a portfolio before you send a single application

Hiring teams for mechanical systems engineer interns expect limited work history, so your portfolio does the work your resume cannot. Document two or three projects with CAD files, design drawings, simulation outputs, or test results, and make them easy to share. Recruiters need something tangible to assess before scheduling a screen.

Work your campus network and apply directly at the same time

Campus career fairs surface structured programs tied to your university, and professors or career center staff often know which employers recruit from your school before roles post publicly. Applying directly to companies running smaller cohorts alongside campus activity widens the pool you reach and catches openings that never come through university channels.

Practice your technical screen out loud before applying

Mechanical systems engineer intern screens typically include a technical component covering statics, dynamics, thermodynamics, or materials, sometimes combined with a design walkthrough or a whiteboard problem. Practice explaining your reasoning aloud as you work through problems, not just arriving at an answer, since interviewers weigh your thought process as much as the final result.

Target structured rotational and university programs early

Many large industrial, aerospace, and defense employers run formal rotational internship programs built to train candidates new to the field. These programs recruit early, fill fast, and often require a separate application outside the standard job posting. Identify the ones aligned with your focus area and apply in the first recruiting wave.

Set your work-type filter before you start

On-site roles are 100% of the mechanical systems engineer internships listed here. Decide what you can realistically commit to before you search, then filter by location and work type from the start so you are not sorting through roles you cannot take.

Mechanical Systems Engineer Internships: Frequently Asked Questions

How do I get a mechanical systems engineer internship?

Lead with coursework and personal projects rather than work history, since hiring teams expect limited professional experience at the intern level. Build a portfolio that shows completed mechanical systems designs, CAD models, or simulation work so recruiters have something concrete to assess. Combine direct applications with campus career fairs, where recruiters often move faster for students they meet in person.

Can a mechanical systems engineer internship turn into a full-time job?

Many employers extend return offers to strong interns, but conversion is never guaranteed. For mechanical systems engineer interns, what drives it most is performance on real project deliverables, available headcount on the team, and how early return-offer decisions are made in that hiring cycle. Position for one by treating every assignment as production work, without counting on the offer materializing.

When should I apply for mechanical systems engineer internships?

Earlier than most students expect. Large aerospace, defense, and industrial employers recruit summer interns the preceding fall, often closing cohorts before spring semester begins. Smaller companies and co-op programs post much closer to start dates, so openings appear year-round. Checking listings regularly rather than waiting for a single season gives you the widest window.

Are mechanical systems engineer internships paid?

Most professional mechanical systems engineer internships in the U.S. are paid. Compensation varies by company size, industry, and location. Where an employer discloses pay, the listing shows it, so you can compare offers without having to ask upfront.

What should a mechanical systems engineer internship resume include?

Lead with two or three complete, documented projects rather than work history. For mechanical systems engineer candidates, the strongest proof is a CAD or design portfolio showing real assemblies, simulation results, or systems analyses, with the tools used named explicitly. Add relevant coursework in dynamics, thermodynamics, or controls. Keep the resume to one page.

Are there remote mechanical systems engineer internships?

Yes. Remote and hybrid roles make up 0% of the mechanical systems engineer internship listings here, with the rest on-site. Remote cohorts fill fast because they draw from a national applicant pool, so apply early and filter by work type to see them before they close.

Can international students get mechanical systems engineer internships?

Yes. F-1 students can intern through CPT while enrolled or through OPT work authorization after finishing a degree, and the employer does not have to file anything for either, so many companies are open to international interns. Confirm your eligibility and timing with your university's international student office before accepting an offer.

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