Mechanical Process Engineer Internships

Mechanical process engineer internships give university students, recent graduates, and early-career candidates 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 Jacobs, The Foth Companies, and GHD among the employers posting roles now.

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Overview

Open roles13
Top stateWisconsin
Top employerJacobs
Top cityGreen Bay, WI
Work type60% Hybrid
Top credentialMilitary encouraged

Showing 5 of 13+ Mechanical Process Engineer Internships

Mechanical Engineering Intern – Process & Automation
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Added 2w ago
Mechanical Engineering Intern – Process & Automation
Vista Auction LLC
Charlotte, North Carolina
Accounting
Business Operations
Tax
$18 - $25/hr

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Process Mechanical Engineering Intern - Water (Summer 2027)
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Added 3w ago
Process Mechanical Engineering Intern - Water (Summer 2027)
Stantec
Phoenix, Arizona
Civil Engineering
Construction Management
Engineering (Non-Software)
10,000+

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Co-Op - Metallurgy & Mechanical Process Engineering
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Added 3w ago
Co-Op - Metallurgy & Mechanical Process Engineering
United States Steel
Fairfield, Alabama
Electrical Engineering
Engineering (Non-Software)
Mechanical Engineering
10,000+

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Process & Mechanical Engineer Intern
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Added 3w ago
Process & Mechanical Engineer Intern
Blount Fine Foods
Fall River, Massachusetts
Biotech & Life Sciences
Laboratory Research
Research & Academia
$24 - $25/hr
Lean Six Sigma Certification
1,001-5,000

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Water Process Mechanical Engineering Intern - Summer 2027
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Added 1mo ago
Water Process Mechanical Engineering Intern - Summer 2027
Jacobs
Gainesville, Florida
Accounting
Business Operations
Tax
$40k - $60k/yr
Hybrid
10,000+

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Mechanical Process Engineer Internship Market

Who's Hiring

Jacobs2 open roles
The Foth Companies2 open roles
GHD1 open role

Tips for Your Mechanical Process Engineer Internship Search

Apply earlier than you think necessary

Large employers close their summer mechanical process engineer intern cohorts in the fall, months before those roles start. Smaller companies and co-op programs post closer to start dates. Check listings in September and October for summer programs, and return regularly for rolling and co-op openings throughout the year.

Build a project portfolio before you apply

Hiring teams for mechanical process engineer interns expect limited work history and weigh project evidence instead. Document two or three complete projects with the tools used, design decisions made, and outcomes achieved. A CAD portfolio, process simulation file, or design case study gives recruiters something concrete to assess before your interview.

Combine campus fairs with direct company applications

Campus career fairs surface structured intern programs that actively recruit from your university, and recruiters there often move faster for students they meet in person. Professors and career center staff frequently know which mechanical process engineer employers recruit from your school before roles post publicly. Applying directly to companies running smaller cohorts alongside campus activity widens the pool you reach.

Practice the technical screen out loud before you apply

Mechanical process engineer intern interviews typically include a technical screen covering engineering fundamentals, process calculations, or applied problem-solving in thermodynamics or fluid mechanics. Practice solving problems verbally and explaining your reasoning step by step, since interviewers weigh how you think through a problem as much as whether you reach the right answer.

Target structured rotational and cohort programs early

Many large manufacturers and energy companies run formal rotational internship programs that move mechanical process engineer interns across plant operations, process design, and reliability functions. These programs are built to train people new to the field, recruit earlier than general postings, and fill fast, so identify the ones that fit your interests and apply in the first wave.

Set your work-type filter before you start

On-site roles are 40% of the mechanical process engineer internships listed here. Decide what you can realistically commit to before you start sorting through openings, then filter by location and work type on Migrate Mate so you're only reviewing roles you can actually take.

Mechanical Process Engineer Internships: Frequently Asked Questions

How do I get a mechanical process engineer internship?

Lead with coursework and personal projects rather than work history, since hiring teams expect limited experience at the intern level. A design portfolio or CAD project file gives recruiters something concrete to assess for mechanical process engineer candidates. Pair direct applications with campus career fairs, where recruiters often move faster for students they meet in person.

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

Many employers extend return offers to strong interns, but conversion is never guaranteed. What drives it most for mechanical process engineer interns is consistent performance on real project work, available headcount on the team, and understanding when the return-offer decision gets made. Position for it by delivering results, but keep other options open throughout.

When should I apply for mechanical process engineer internships?

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

Are mechanical process engineer internships paid?

Most professional mechanical process engineer internships in the United States are paid. Compensation varies by company size, industry, and location. Where an employer discloses pay, the listing will show it, so you can compare opportunities as you apply without needing to ask upfront in every case.

What should a mechanical process engineer internship resume include?

Lead with projects, not work history. Include two or three complete, documented projects that name the tools and software used, and link to a CAD portfolio or design case study so recruiters have something to assess directly. Add relevant coursework in thermodynamics, fluid mechanics, or process simulation, and keep the whole document to one page.

Are there remote mechanical process engineer internships?

Yes. Remote and hybrid roles make up 60% of the mechanical process engineer internship listings here, with the rest on-site. Remote cohorts fill fast, so apply early and filter by work type to see them before they close.

Can international students get mechanical process 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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