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Mechanical Engineering Intern Jobs in Riverside, CA

Managed Staffing

Mechanical Engineer

Irvine, CA · On-site

$50 - $56/hr

This role involves hands-on engineering work, design reviews, calculations, and collaboration with cross-functional teams. Work is 100% onsite in Irvine, CA. Key Responsibilities * Perform mechanical ...

HDR

Mechanical EIT - Building Engineering

Irvine, CA · On-site

We bring together mechanical, electrical, structural, and civil engineering experts to solve complex design challenges with precision, creativity, and collaboration. Whether you're optimizing energy ...

HDR

Mechanical EIT - Building Engineering

Irvine, CA

We bring together mechanical, electrical, structural, and civil engineering experts to solve complex design challenges with precision, creativity, and collaboration. Whether you're optimizing energy ...

Parsons

Roadway/Highway Intern

Irvine, CA

$22.93 - $40.14/hr

Parsons is looking for an amazingly talented Roadway Engineer Intern to join our team! In this role you will get to contribute to large-scale engineering projects and gain practical experience in a ...

Envista

CNC Programmer Intern

Yorba Linda, CA · On-site

$18.25 - $23.75/hr

With coaching and close supervision, the intern will build foundational skills in CAM programming ... Education: - Currently pursuing a degree or certificate in Manufacturing Engineering, Mechanical ...

Kaizen Stackup

Thermal/Mechanical Engineer

Irvine, CA

$150K - $170K/yr

Vice President, Systems Engineering Salary Range: $150,000 - $170,000 Overview We are seeking a highly skilled Thermal/Mechanical Engineer to join a leading engineering team in the development of ...

Kaizen Stackup

Thermal/Mechanical Engineer

Irvine, CA

$150K - $170K/yr

Vice President, Systems Engineering Salary Range: $150,000 - $170,000 Overview We are seeking a highly skilled Thermal/Mechanical Engineer to join a leading engineering team in the development of ...

DZYNE Technologies LLC.

Mechanical Engineer, UAS

Irvine, CA · On-site

$105K - $150K/yr

Working as part of a multidisciplinary engineering team, you will contribute to detailed mechanical design, component packaging, and production‑ready documentation. Candidates should be comfortable ...

DZYNE Technologies

Mechanical Engineer, UAS

Irvine, CA · On-site

$105K - $150K/yr

Working as part of a multidisciplinary engineering team, you will contribute to detailed mechanical design, component packaging, and production-ready documentation. Candidates should be comfortable ...

Salas O'Brien, Inc.

Mechanical Engineer

Tustin, CA · On-site +1

$70K - $110K/yr

Mechanical Engineer (Early Career) At Salas O'Brien we tell our clients that we're engineered for ... Founded in 1975, Salas O'Brien is an employee-owned engineering and professional services firm ...

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Showing results 21-40

All JobsMechanical Engineering Intern JobsMechanical Engineering Intern Jobs in Riverside, CA

Mechanical Engineering Intern information

See Riverside, CA salary details

$15

$22

$31

How much do mechanical engineering intern jobs pay per hour?

As of Jul 29, 2026, the average hourly pay for mechanical engineering intern in Riverside, CA is $22.83, according to ZipRecruiter salary data. Most workers in this role earn between $18.80 and $25.34 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Mechanical Engineering Intern, and why are they important?

To thrive as a Mechanical Engineering Intern, you need a solid grasp of engineering fundamentals, problem-solving abilities, and coursework in mechanical design or analysis, often supported by progress toward a relevant engineering degree. Familiarity with CAD software (such as SolidWorks or AutoCAD), simulation tools, and basic lab equipment is typically required. Strong communication, teamwork, and a willingness to learn help interns adapt quickly and contribute effectively to projects. These skills and qualities are important to ensure interns can support engineering teams, apply theory to real-world challenges, and grow within the profession.

What Does a Mechanical Engineering Intern Do?

As a mechanical engineering intern, you prepare calculations and reports, gain experience with engineering systems, integrate tracking plans, and perform analysis of mechanical design choices. You may help test products, interact with various members of a project team, and create or modify CAD models. As an intern, your responsibilities are limited, and most employers consider gaining experience to be the most important part of your job. Many mechanical engineering interns focus on building professional relationships in the hope of landing a permanent job after graduating. You may need to develop your skills in engineering, CAD software, and prototyping during your internship.

What types of projects do Mechanical Engineering Interns typically work on, and how much hands-on experience can I expect?

As a Mechanical Engineering Intern, you'll often assist with a mix of design, analysis, and testing projects under the guidance of experienced engineers. Interns commonly use CAD software to create or modify designs, help with prototype assembly, perform basic calculations, and assist in conducting experiments or tests. You can expect significant hands-on experience, especially in labs or on the shop floor, learning how theoretical concepts are applied in real-world engineering tasks. Collaboration with cross-functional teams, such as manufacturing or quality assurance, is typical, providing valuable exposure to the entire product lifecycle.

What does a Mechanical Engineering Intern do?

A Mechanical Engineering Intern assists engineers in designing, developing, and testing mechanical devices and systems. They typically work on tasks such as creating CAD drawings, conducting research, performing calculations, and helping with prototype assembly or testing. Interns gain hands-on experience by supporting ongoing projects and collaborating with other engineers and technicians. This role provides valuable exposure to real-world engineering challenges and helps students apply their academic knowledge in a practical setting.
More about Mechanical Engineering Intern jobs
What are the most commonly searched types of Mechanical Engineering jobs in Riverside, CA? The most popular types of Mechanical Engineering jobs in Riverside, CA are:
What are popular job titles related to Mechanical Engineering Intern jobs in Riverside, CA? For Mechanical Engineering Intern jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Mechanical Engineering Intern jobs in Riverside, CA look for? The top searched job categories for Mechanical Engineering Intern jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Mechanical Engineering Intern jobs? Cities near Riverside, CA with the most Mechanical Engineering Intern job openings:
Mechanical Engineering Intern jobs near you
Infographic showing various Mechanical Engineering Intern job openings in Riverside, CA as of July 2026, with employment types broken down into 95% Full Time, 3% Part Time, and 2% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $47,486 per year, or $22.8 per hour.
Mechanical Engineer

Mechanical Engineer

Managed Staffing

Irvine, CA • On-site

$50 - $56/hr

Contractor

Posted 27 days ago

Job description

Mechanical Engineer

Location: Onsite – Irvine, CA
Shift: 1st Shift
US Citizenship Required

About the Role

We are seeking a Mechanical Engineer I to support the design, analysis, and development of mechanical equipment, systems, and components for aerospace and defense applications. This role involves hands-on engineering work, design reviews, calculations, and collaboration with cross-functional teams. Work is 100% onsite in Irvine, CA.

Key Responsibilities

  • Perform mechanical design of components, assemblies, and systems.

  • Conduct engineering calculations and analyses to validate suitability and safety.

  • Support assembly, troubleshooting, testing, and repair of environmental control systems.

  • Review drawings from Drafters/Designers and provide feedback.

  • Support engineers on simple–medium complexity projects; may provide guidance to Drafters/Designers.

  • Prepare technical reports, documentation, and presentation materials.

  • Collaborate with internal engineering, manufacturing, and quality teams.

  • Present design concepts to peers, engineers, and customers.

Required Qualifications

  • Bachelor’s Degree in Mechanical Engineering (BSME) from an accredited institution.

  • Knowledge of mechanical design principles and ASME Y14.5M GD&T standards.

  • Experience designing mechanical components/subsystems.

  • Understanding of mechanical drafting and drawing standards.

  • Familiarity with applied thermodynamics and mechanical engineering fundamentals.

  • US Citizen (mandatory for defense project eligibility).