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Mechanical Engineer Intern Jobs in Rialto, CA (NOW HIRING)

Luxfer Gas Cylinders

Mechanical Engineer

Riverside, CA · On-site

$90K - $110K/yr

The Mechanical Engineer will develop and maintain engineering drawings, CAD models, fixtures, and tooling while ensuring compliance with company standards and manufacturing requirements. The goal of ...

Salas O'Brien, Inc.

Mechanical Engineer

Corona, CA · Hybrid

$80K - $110K/yr

Mechanical Engineer Summary The Mechanical Engineer serves to focus on the design of mechanical systems for new facilities, additions, and renovation projects. This will require providing technical ...

CHENBRO MICOM USA INC

Mechanical Engineer

Ontario, CA · On-site

$100K - $125K/yr

Bachelor's degree in Mechanical Engineering or a related technical discipline. * A strong foundation in Mechanical Engineering principles and Machine Design. * Direct experience utilizing Computer ...

CHENBRO MICOM USA INC

Mechanical Engineer

Ontario, CA · On-site

$100K - $125K/yr

Bachelor's degree in Mechanical Engineering or a related technical discipline. * A strong foundation in Mechanical Engineering principles and Machine Design. * Direct experience utilizing Computer ...

WSP

Mechanical Engineer - Buildings

Riverside, CA

$88K - $126K/yr

This Opportunity WSP is currently initiating a search for a Mechanical Engineer for our Riverside, CA office. Be involved in projects with our Property & Buildings Team and be a part of a growing ...

WSP

Mechanical Engineer - Buildings

Riverside, CA · On-site

$88K - $126K/yr

This Opportunity WSP is currently initiating a search for a Mechanical Engineer for our Riverside, CA office. Be involved in projects with our Property & Buildings Team and be a part of a growing ...

Rehlko, LLC

Mechanical Engineer

Pomona, CA

A safe and inclusive workplace Why You Will Love this Job Job Purpose To produce mechanical engineering design packages, providing input and support at all stages of a project from sales through to ...

Samuel

Quality Systems Engineer - Intern

Fontana, CA

$23 - $26/hr

Pursuing a Bachelor's degree in Mechanical, Industrial, Manufacturing, Materials, or related Engineering discipline. * Strong analytical and problem-solving skills. * Ability to interpret engineering ...

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Mechanical Engineer Intern information

See Rialto, CA salary details

$14

$21

$30

How much do mechanical engineer intern jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for mechanical engineer intern in Rialto, CA is $21.94, according to ZipRecruiter salary data. Most workers in this role earn between $18.08 and $24.33 per hour, depending on experience, location, and employer.

What does a mechanical engineer intern do?

A Mechanical Engineer Intern assists professional engineers with the design, development, and testing of mechanical devices and systems. Their responsibilities often include creating CAD drawings, conducting research, performing calculations, and helping with prototyping or laboratory testing. Interns gain hands-on experience by supporting real engineering projects and working alongside experienced engineers. This position provides valuable exposure to engineering processes and workplace culture, making it a key step for students studying mechanical engineering.

What types of projects and responsibilities can a mechanical engineer intern expect during their internship?

As a Mechanical Engineer Intern, you'll typically assist with tasks such as CAD modeling, design analysis, prototype testing, and documentation of mechanical systems. Interns often collaborate closely with senior engineers and cross-functional teams, contributing to ongoing projects in product development or process improvement. While responsibilities can vary by company, you may also be involved in hands-on work in labs or workshops, attending team meetings, and learning to use industry-standard engineering tools. This exposure offers a valuable opportunity to develop both technical and teamwork skills in a real-world engineering environment.

What are the key skills and qualifications needed to thrive as a mechanical engineer intern, and why are they important?

To thrive as a Mechanical Engineer Intern, you need a strong grasp of engineering principles, mathematics, and problem-solving skills, typically supported by progress toward a mechanical engineering degree. Familiarity with CAD software (such as SolidWorks or AutoCAD), simulation tools, and basic manufacturing processes is often required. Strong teamwork, willingness to learn, and effective communication skills help interns collaborate and absorb feedback in a professional environment. These abilities are crucial for contributing meaningfully to engineering projects and developing technical expertise for future roles.

What is the difference between Mechanical Engineer Intern vs Mechanical Design Engineer?

AspectMechanical Engineer InternMechanical Design Engineer
Required CredentialsEnrolled in or recent graduate of Mechanical Engineering programBachelor's or higher in Mechanical Engineering or related field
Work EnvironmentInternship setting, often in engineering departments or labsFull-time engineering office or design studio
Employer & Industry UsageInternships offered by manufacturing, automotive, aerospace companiesDesign-focused roles in similar industries

The main difference between a Mechanical Engineer Intern and a Mechanical Design Engineer is experience and responsibility level. Interns are typically students gaining practical experience, while Mechanical Design Engineers are full-time professionals responsible for designing and developing mechanical systems.

Which internship is best for mechanical engineer interns?

The best internship for mechanical engineer interns typically involves companies or organizations that offer hands-on experience in design, manufacturing, or research, and often require knowledge of CAD software, MATLAB, or similar tools. Internships at engineering firms, manufacturing companies, or research institutions provide practical skills and industry exposure valuable for career development.

What are the most commonly searched types of Mechanical Engineer jobs in Rialto, CA?

The most popular types of Mechanical Engineer jobs in Rialto, CA are:

What cities near Rialto, CA are hiring for Mechanical Engineer Intern jobs?

Cities near Rialto, CA with the most Mechanical Engineer Intern job openings:

Mechanical Engineer Intern jobs near you
Infographic showing various Mechanical Engineer Intern job openings in Rialto, CA as of August 2026, with employment types broken down into 87% Full Time, 11% Part Time, 1% Contract, and 1% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $45,643 per year, or $21.9 per hour.

Mechanical Engineer

Gulfstream Strategic Placements

Orange, CA • On-site

Full-time

Retirement

Re-posted 27 days ago

Job description

HVAC Engineer position at large mechanical and plumbing construction company We are a large growing mechanical contractor that works on many large mechanical hvac and plumbing projects. This is a full-time position with great benefits, retirement package, and plenty of room for career growth. Responsibilities: Ensure client satisfaction in early phase of upcoming projects.

Review all contract project design, engineering design, for accurate calculations. Work closely with general contractors and owners as well as other sub-contractors and mep-design engineers. Review project specs and identify value engineering opportunities to present to our clients.

Ability to commute to different jobsites, and assist the Project Manager in managing large HVAC construction projects. Requirements: Local Stable work-history. Bachelor's degree in Mechanical Engineering or similar in Construction Management is preferred.

3+years of field experience on large HVAC commercial projects ranging from 50k to $30M. Strong software knowledge in Microsoft Office, MS Project, AutoCAD, Autodesk Fabrication, Trane Trace 700, Revit, among others are a plus. Knowledge in State building and HVAC, among others are a plus.

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About Gulfstream Strategic Placements

Sourced by ZipRecruiter

Gulfstream Strategic Placements, based in Los Angeles, CA, US, is a prominent company specializing in the recruitment and executive search industry. Their area of specialty lies mainly in the construction industry. With a keen eye for talent and a focus on fulfilling employers' talent needs, Gulfstream Strategic Placements is an industry leader connecting various businesses with well-suited, skilled professionals. They take great pride in their long-standing reputation for delivering quality candidates that help businesses thrive.

Industry

Recruiting and staffing services

Company size

1 - 10 Employees

Headquarters location

Corona, CA, US

Year founded

2014

Social media

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