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Mechanical Engineering Intern Summer Jobs in San Luis Obispo, CA

Praxis Engineering

Be Seen First

Structural Engineering Internship

San Luis Obispo, CA · On-site

$26/hr

We're looking for a structural engineering intern to join our San Luis Obispo office this summer. What you'll do: Work alongside our structural team on active projects. Expect to: * Draft plans and ...

Grupo Bimbo

Maintenance Internship

San Luis Obispo, CA · On-site

$19 - $21/hr

... Bimbo Bakeries USA Summer Internship Program affords students a remarkable experience to ... Previous Co-op or intern experience is a plus The physical and mental demands described in each job ...

Rantec Power Systems, Inc.

Operations Intern

Los Osos, CA · On-site

$16.25 - $21.25/hr

We are an engineering-based company, with expertise in all aspects of power supply design ... During the summer period, a project will be assigned that improves production visibility, supports ...

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Mechanical Engineering Intern Summer information

See San Luis Obispo, CA salary details

$15

$23

$32

How much do mechanical engineering intern summer jobs pay per hour?

As of May 28, 2026, the average hourly pay for mechanical engineering intern summer in San Luis Obispo, CA is $23.58, according to ZipRecruiter salary data. Most workers in this role earn between $19.42 and $26.15 per hour, depending on experience, location, and employer.

What is a Mechanical Engineering Intern Summer job?

A Mechanical Engineering Intern Summer job is a temporary position designed for students or recent graduates to gain hands-on experience in mechanical engineering. Interns typically work on engineering projects, assist with design and analysis, and collaborate with experienced engineers. This internship helps develop technical skills, problem-solving abilities, and industry knowledge. It provides an opportunity to apply classroom learning to real-world engineering challenges while exploring career paths within the field.

What are the key skills and qualifications needed to thrive in the Mechanical Engineering Intern Summer position, and why are they important?

To thrive as a Mechanical Engineering Intern Summer, you need a solid understanding of mechanical engineering principles, experience with CAD software, and enrollment in an accredited engineering program. Familiarity with tools such as SolidWorks, AutoCAD, or MATLAB, and exposure to basic project management or safety certifications, is highly valued. Strong analytical thinking, eagerness to learn, teamwork, and effective communication help interns contribute meaningfully to projects. These skills and attributes are crucial for adapting to real-world engineering challenges and ensuring productive integration with professional teams.

What kind of projects and responsibilities can I expect as a Mechanical Engineering Intern during the summer?

As a Mechanical Engineering Intern during the summer, you can expect to support design, prototyping, testing, and analysis tasks alongside experienced engineers. Your daily responsibilities may include creating 3D models, running simulations, documenting results, and assisting with the assembly or troubleshooting of mechanical systems. You will likely participate in team meetings, collaborate with engineers and technicians, and tackle hands-on challenges that develop your problem-solving skills. Interns often gain exposure to real-world engineering projects, which can provide valuable insight and experience for future career growth.
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Mechanical Engineering Intern Summer jobs near you
Infographic showing various Mechanical Engineering Intern Summer job openings in San Luis Obispo, CA as of May 2026, with employment types broken down into 36% Internship, 41% Full Time, and 23% Part Time. Highlights an 100% In-person job distribution, with an average salary of $49,039 per year, or $23.6 per hour.
Mechanical Engineering Intern

Mechanical Engineering Intern

Rantec Power Systems, Inc.

Los Osos, CA • On-site

$21/hr

Other

Posted 29 days ago

Job description

Rantec Power Systems Inc. is hiring Interns at $21.00/hr! 

Come join our team!  Based in Los Osos, California, located along California's scenic Central Pacific coastline, Rantec offers many outstanding benefits, the following are a few: 

  • Competitive wages
  • Tuition Assistance
  • Peer-to-Peer recognition and Years of Service Awards.
  • We have every other Friday off as we are on the 9/80 schedule
  • Free catered lunch on the Friday/payday that we work.

Rantec is an upper-tier designer and manufacturer of power supplies for the military and aerospace markets. We are an engineering-based company, with expertise in all aspects of power supply design, manufacturing and test.

Scope
Gain valuable hands-on experience while being a part of a team that foster’s innovation, employee involvement.   Perform task and project level assignments including design/development, analysis, and manufacturing support of power supply development for defense and aerospace applications.  
Essential Duties and Responsibilities

  • Effectively test and troubleshoot existing designs down to the component level as necessary
  • Track and monitor failure modes
  • Develop and implement test procedures
  • Provide feedback on design and test improvements
  • Support product improvement through the analysis of existing products and the incorporation of design improvements
  • Incorporate product changes originating from changes in customer specifications, changes in components or manufacturing requirements, and address obsolescence issues
  • Develop tooling and fixtures to support testing or manufacturing improvements
  • Create engineering drawings using SolidWorks
  • Learn and use Rantec MRP (Exact Alliance)
  • Assist developing product performance and compliance testing. Support product realization.
  • Participate in design reviews, scheduling meetings and other engineering work groups as needed
  • Ability to work flexible hours and/or different shifts, as required
  • Ability to work in a safe professional manner adhering to all regulatory requirements including OSHA, EPA, State and Federal Regulations
  • As the Company’s success relies on the productivity of our team and adherence to customer product schedules, an essential function of this position is the ability to arrive to work on-time, and work each day, as scheduled
  • Perform other duties as assigned
Qualification Requirements:
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily.  The requirements listed below are representative of the knowledge, skill, and/or ability required.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
This position requires access to our export-controlled commodities, technical data, technology, and services.  These items are restricted under the International Traffic in Arms Regulations (ITAR) to U.S. Citizens, Lawful Permanent Residents of the U.S. and properly licensed foreign persons.  Therefore, employment is contingent on compliance with ITAR regulations and successfully obtaining and maintaining the necessary export authorization license from the U.S. Department of Commerce’s Bureau of Industry and Security, U.S. Department of State’s Office of Defense Trade Controls, or other applicable government agency.
Education and Experience
  • Pursuing a degree in Mechanical/Aerospace Engineering
  • 1 year of previous Mechanical Engineering experience preferred
  • SolidWorks
  • Microsoft: Windows, Excel, Word, Outlook, SharePoint, Teams, PowerPoint
  • Attention to detail
  • Failure analysis
Physical Requirements
The physical demands described here are representative of those to successfully perform the essential functions of this job.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
  • Work within a factory environment, including moderate noise and chemical odors
  • Moving between sitting, standing, and walking
  • Consistently lifting and handling 10 pounds and periodically lifting 25 pounds.
  • Specific vision abilities required by this job close vision, distance vision, peripheral vision, depth perception and the ability to focus, with correction. 

Salary: $21.00 Hourly

Rantec is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Rantec will consider requests for reasonable accommodation from applicants with disabilities or sincerely held religious beliefs. If you require accommodation during the application process, please contact hr@rantec.com.

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