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Engineer Co Op Jobs in Riverside, CA (NOW HIRING)

Pro-Dex Inc

Staff Mechanical Design Engineer

Irvine, CA

$135K - $145K/yr

S.) Degree in Mechanical Engineering or a related field. • Minimum 8 years of professional experience in product design or mechanical engineering (internship or co-op experience may be considered ...

Pro-Dex, Inc.

Staff Mechanical Design Engineer

Irvine, CA · On-site

$135K - $145K/yr

S.) Degree in Mechanical Engineering or a related field. • Minimum 8 years of professional experience in product design or mechanical engineering (internship or co-op experience may be considered ...

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All JobsEngineer Co Op JobsEngineer Co Op Jobs in Riverside, CA

Engineer Co Op information

See Riverside, CA salary details

$38.6K

$91K

$142.4K

How much do engineer co op jobs pay per year?

As of Aug 20, 2026, the average yearly pay for engineer co op in Riverside, CA is $90,993.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,800.00 and $101,700.00 per year, depending on experience, location, and employer.

What is the difference between Engineer Co Op vs Engineer Intern?

AspectEngineer Co OpEngineer Intern
CredentialsTypically enrolled in an engineering degree program, may require specific courseworkUsually undergraduate students in engineering programs
Work EnvironmentFull-time or part-time paid positions, often integrated into the company’s workflowUsually unpaid or paid internships, shorter duration
Employer & Industry UsageCommon in engineering firms, manufacturing, and tech companiesCommon in similar industries, often as a stepping stone to full employment

Engineer Co Op positions are structured as paid, longer-term roles that provide practical experience during a student's academic career. Engineer Intern roles are typically shorter, often unpaid, and serve as introductory exposure to engineering work. Both roles help students gain industry experience, but Co Op positions usually involve more responsibilities and integration into ongoing projects.

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

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

What cities near Riverside, CA are hiring for Engineer Co Op jobs?

Cities near Riverside, CA with the most Engineer Co Op job openings:

Engineer Co Op jobs near you
Infographic showing various Engineer Co Op job openings in Riverside, CA as of August 2026, with employment types broken down into 87% Full Time, and 13% Part Time. Highlights an 100% In-person job distribution, with an average salary of $90,993 per year, or $43.7 per hour.

Mechanical Engineering Intern (Fall 2026)

Salas O'Brien Engineers Incorporated

Tustin, CA • On-site

$20/hr

Other

This job post has expired today. Applications are no longer accepted.

Salas O'Brien rating

8.2

Company rating: 8.2 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

162nd of 449 rated engineering

Job description

Engineering Internship
At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That's why we're committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.
Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career-and they'll receive great total rewards along the way.
About Us:
Founded in 1975, Salas O'Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow's requirements are today's opportunities, and we are here to design lasting solutions for pressing challenges.
We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.
Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.
Job Summary: Joining our team as a Mechanical Engineering Intern offers a unique opportunity to gain practical experience, expand your skills, and make meaningful contributions to impactful projects within Salas O'Brien. We are committed to providing a supportive and enriching environment where interns can thrive and develop their talents. If you are ready to embark on a rewarding journey and learn from industry experts, we encourage you to apply and become part of our dynamic team.
Qualifications:
  • Currently enrolled in a Bachelor's or Master's degree program in Engineering or a related field.
  • Genuine passion for the AEC industry and eagerness to learn and contribute to meaningful projects.
  • Strong communication skills and the ability to work effectively in a collaborative team environment.
  • Experience in CAD software (e.g., AutoCAD, Revit) and familiarity with engineering analysis tools is advantageous.
  • Ability to adapt to changing priorities and work tasks, with a willingness to perform duties onsite or at project locations as required.
  • Prior internship or co-op experience in the AEC industry is a plus but not required.

Location: Tustin, CA
Travel: Minimal, as needed to local job sites
Compensation:
The base hourly range for this position is $20/hr. USD. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.
Equal Opportunity Employment Statement
Salas O'Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O'Brien will accommodate the disability-related needs of applicants as required by law.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

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