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Engineering Internship Jobs in Riverside, CA (NOW HIRING)

TRL11, Inc.

Summer 2025 Engineering Internship

Irvine, CA · On-site

$18 - $23.25/hr

Based in Irvine, CA, we are seeking engineering interns for the summer of 2026. Summer internships typically cover a wide range of disciplines, including mechanical, electrical, optical ...

TRL11, Inc.

Summer 2025 Engineering Internship

Irvine, CA · On-site

$18 - $23.25/hr

Based in Irvine, CA, we are seeking engineering interns for the summer of 2026. Summer internships typically cover a wide range of disciplines, including mechanical, electrical, optical ...

CRB

Plumbing Engineer Internship

Irvine, CA · On-site

$20.25 - $27/hr

This internship provides hands-on exposure to the design and engineering of sanitary waste drainage ... Support plumbing engineering design efforts, including drainage and fixture calculations, utility ...

CRB

Plumbing Engineer Internship

Irvine, CA

$20.25 - $27/hr

This internship provides handson exposure to the design and engineering of sanitary waste drainage ... Support plumbing engineering design efforts, including drainage and fixture calculations, utility ...

CRB

Plumbing Engineer Internship

Irvine, CA

$20.25 - $27/hr

Support plumbing engineering design efforts, including drainage and fixture calculations, utility assessments, design reports, code evaluations, and plumbing service plans * Assist with the ...

AMPAM Parks Mechanical

DESIGN ENGINEER I

Corona, CA · On-site

$31 - $34/hr

... engineering (internship or co-op experience acceptable). * EIT certification or progress toward obtaining one is preferred. Skills & Competencies * Basic understanding of HVAC, plumbing, and ...

Danaher

Software Engineer Internships

Pomona, CA

... Engineering (with computational focus), or related field * Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming ...

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How much do engineering internship jobs pay per hour?

As of May 29, 2026, the average hourly pay for engineering internship in Riverside, CA is $20.15, according to ZipRecruiter salary data. Most workers in this role earn between $16.78 and $21.83 per hour, depending on experience, location, and employer.

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

To thrive as an Engineering Intern, you typically need a strong academic background in engineering principles, problem-solving skills, and progress toward a relevant degree. Familiarity with industry-specific software such as AutoCAD, SolidWorks, MATLAB, or programming languages like Python is often required. Strong teamwork, eagerness to learn, and effective communication skills help interns integrate into project teams and absorb new concepts quickly. These skills and qualities are essential for delivering valuable contributions, adapting to workplace demands, and building a solid foundation for a future engineering career.

What types of projects can I expect to work on during an engineering internship, and how much responsibility will I have?

As an engineering intern, you can expect to work on a variety of projects ranging from assisting with ongoing research and development to supporting design, testing, or manufacturing processes. The level of responsibility often increases as you demonstrate competency, typically starting with supervised tasks and gradually moving toward more independent work. You'll likely collaborate with engineers, project managers, and other interns, gaining hands-on experience with industry-standard tools and practices. This exposure not only helps you apply classroom knowledge but also develops essential teamwork and communication skills highly valued in engineering roles.

What is an Engineering Internship?

An Engineering Internship is a temporary position for students or recent graduates to gain practical experience in the engineering field. Interns typically work under the supervision of experienced engineers, assisting with real-world projects, conducting research, and developing technical skills. These internships help students apply their academic knowledge, explore different engineering disciplines, and build a professional network. Most internships last a few months and can be paid or unpaid, depending on the company and location.

What is the difference between Engineering Internship vs Engineering Co-op?

AspectEngineering InternshipEngineering Co-op
CredentialsTypically students or recent graduates; no required certificationsUsually students enrolled in engineering programs; no certifications required
Work EnvironmentShort-term, project-based, often during summerLonger-term, integrated with academic schedule, often semester-based
Employer & Industry UsageCommon in engineering firms, manufacturing, tech companiesCommon in engineering firms, manufacturing, and corporate R&D

Engineering internships and co-ops both provide practical experience in engineering fields. Internships are typically shorter, often during summer, and suited for students exploring careers. Co-ops are longer, integrated with academic programs, offering more in-depth exposure. Both roles help build skills and industry connections, but co-ops usually involve more extended work periods and deeper engagement.

What are the most commonly searched types of Engineering jobs in Riverside, CA? The most popular types of Engineering jobs in Riverside, CA are:
What are popular job titles related to Engineering Internship jobs in Riverside, CA? For Engineering Internship jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Engineering Internship jobs in Riverside, CA look for? The top searched job categories for Engineering Internship jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Engineering Internship jobs? Cities near Riverside, CA with the most Engineering Internship job openings:
Engineering Internship jobs near you
Infographic showing various Engineering Internship job openings in Riverside, CA as of May 2026, with employment types broken down into 2% Internship, 42% Full Time, 32% Part Time, 1% Temporary, 20% Contract, and 3% Nights. Highlights an 58% Physical, 27% Hybrid, and 15% Remote job distribution, with an average salary of $41,913 per year, or $20.2 per hour.

Summer 2025 Engineering Internship

TRL11, Inc.

Irvine, CA

$18 - $23.25/hr

Other

Posted 19 days ago

Job description

TRL11 is a venture backed deep tech / defense tech startup bringing cutting-edge video technology to Aerospace applications. Based in Irvine, CA, we are seeking engineering interns for the summer of 2026. Summer internships typically cover a wide range of disciplines, including mechanical, electrical, optical, manufacturing, software, and test engineering. Our engineers contribute directly to real projects that support TRL11 product development. Join our team and play a crucial role in shaping the future of Human Space Exploration and US National Security.

Job Duties:

  1. Measure and analyze camera components and system performance
  2. Assist with hardware testing, board validation and bring up, and debugging of electrical systems
  3. Inspect, assemble, and measuer mechanical components and enclosures
  4. Assist hardware engineers with mechanical and electrical CAD and drawings
  5. Write and execute test plans and present reports to engineering leadership
  6. Optimize in house production system parameters, such as 3D printing configurations.
  7. Design test and assembly fixtures and tools
  8. Write test scripts for evaluating software or hardware functionality and performance

Requirements

  1. Pursuing a Bachelor's of Masters degree in Electrical Engineering, Mechanical Engineering, Computer Engineering, or a similar STEM field.
  2. Exposure to CAD tools (Onshape, Solidworks, Altium, etc)
  3. Familiarity with cameras, electronics, and lab equipment (oscilloscopes, multimeters, etc).
  4. Proven project or work experience building or testing physical items.
  5. Strong attention to detail, good problem-solving skills, and good communication skills.
  6. Familiarity with the basic principles of optics and imaging senors.
  7. Ability to work both independently and in a team environment.

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