Top 39 Mechanical engineering intern Jobs in Irvine, Ca

Mechanical Engineering Intern Fall 2026
Rocket Lab Corporation —Long Beach, CA
- $28 an hour
- Full-time
- Analysis skills
- US work authorization
- Internship
Quick Apply
Engineering Intern
Howmet Aerospace —Brea, CA
- $25 - $28 an hour
- Part-time
- Mechanical knowledge
- Entry level
Quick Apply
11d
Manufacturing Engineer - Intern
Regal Technology Partners Inc —Santa Ana, CA
- Temporary
- Microsoft Excel
- Analysis skills
- Ability to stand for extended periods
Quick Apply
Electrical Engineering Intern
Layup Parts —Huntington Beach, CA
- $25 an hour
- System design
- Fair chance
- Manufacturing
Quick Apply
Engineer Intern, Manufacturing
MicroVention, Inc. —Aliso Viejo, CA
- $21 - $34 an hour
- Microsoft Word
- Neurology
- Fair chance
Manufacturing Engineer Intern
Brasstech —Santa Ana, CA
- $17.40 - $23.65 an hour
- Part-time
- Spanish
- Microsoft Excel
- Microsoft Outlook
12d
Manufacturing Engineer Intern
RD Rubber Technology Corporation —Santa Fe Springs, CA
- $20 an hour
- Part-time
- Entry level
Quick Apply
Software Engineering Intern
Layup Parts —Huntington Beach, CA
- $25 an hour
- System design
- Fair chance
- Internship
Quick Apply
Systems Engineering and Integration Intern
Odys Aviation —Long Beach, CA
- Computer Science
- Data analysis skills
- Electrical Engineering
Technical/Engineering Intern (Lake Forest, CA)
MatterHackers —Lake Forest, CA
- Email
- Engineering
- Internship
- Marketing
Fall 2026 Internship - Engineering
Orbital Operations —Long Beach, CA
- 8 hour shift
- Computer Science
- Electrical Engineering
- Communication skills
Quick Apply
Manufacturing Engineering Co-Op
Precision Castparts Corp. —Irvine, CA
- $21 - $23 an hour
- Microsoft Word
- In-person
- Internship
- Paid holidays
- Health insurance
AI & Machine Learning Summer/Fall Co-Op (June '26 - Dec '26)
Skyworks Solutions —Irvine, CA
- $22.50 - $47.50 an hour
- Seasonal
- Computer Science
- Office
- Organizational skills
NPI Engineer Intern-1
MicroVention, Inc. —Aliso Viejo, CA
- $19 - $29 an hour
- Word processing
- Bachelor of Science
- Analysis skills
11d
Co-Op, Quality Engineer
Precision Castparts Corp. —Irvine, CA
- $23 an hour
- Writing skills
- Travel
- In-person
- Paid holidays
- Health insurance
MANUFACTURING ENGINEER INTERN
LISI —City of Industry, CA
- $25 an hour
- Microsoft Word
- Microsoft Access
- Computer literacy
Quick Apply
CNC Programmer Intern
Nobel Biocare —Yorba Linda, CA
- Internship
- Entry level
- Paid holidays
- Disability insurance
2026 Fall Internship - Manufacturing
Vast —Long Beach, CA
- $35 - $40 an hour
- Full-time
- Office
- Analysis skills
- In-person
- Paid parental leave
- Disability insurance
Intern, Power Electronics Engineering
Harbinger Motors Inc. —Garden Grove, CA
- $25 - $35 an hour
- Email
- Office
- Electrical Engineering
- Internship
Quick Apply
2026 Fall Internship - Mechanical / Aerospace
Vast —Long Beach, CA
- $35 - $40 an hour
- Full-time
- Office
- Analysis skills
- Software development
- Paid parental leave
- Disability insurance

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Mechanical Engineering Intern Fall 2026

Rocket Lab Corporation -
Long Beach, CA

Quick Apply

Job Details

Full-time | Internship
$28 an hour

Qualifications

MSC Nastran
Engineering development testing
3D printers
Aerospace design
Mechanical Engineering
GD&T
CAM software
3D modeling for product design
Analysis skills
ANSYS
3D printing
Design engineering
Machining equipment
Physics
Leading team collaboration initiatives
FEA
Additive manufacturing implementation
Wiring harnesses
NX
Project Development
Mechanical knowledge
Entry level
Structural analysis
Under 1 year
Mechanical product development projects

Full Job Description

ABOUT ROCKET LAB

Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more – all with the goal of opening access to space. The rockets and satellites we build and launch enable some of the most ambitious and vital space missions globally, supporting scientific exploration, Earth observation and missions to combat climate change, national security, and exciting new technology demonstrations.

Our Electron rocket has become the second most frequently launched U.S. rocket annually and has delivered more than 230 satellites to orbit, all while we work to develop Neutron, our upcoming medium-lift, reusable launch vehicle for larger constellation deployment. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.

As a Mechanical Engineering Intern based at Rocket Lab's site in Long Beach, California, you will have the opportunity to support the design, development, and integration of spacecraft hardware and flight harnessing across our Space Systems programs. You'll contribute to concept creation, hardware build and test campaigns, and the delivery of fully qualified components for integration. This internship provides hands-on experience collaborating with multidisciplinary engineering teams and owning work from early design through spacecraft integration.

WHAT YOU'LL GET TO DO

As an intern, you will work closely with your mentor and other employees within the department to apply your knowledge and grow your skills both technically and professionally

Work with a fast-paced group of professionals to apply engineering and industry concepts to solve real challenges

Attend frequent 1:1's with mentors and supervisors to facilitate success and learning while providing progress updates

Enjoy tech talks and network with other interns and employees through social and professional events

YOU'LL BRING THESE QUALIFICATIONS

Ideal candidates will thrive in ambiguity and are excited to work in small, high-performing teams that are focused on continued learning and growth. Success in this position will be measured by the knowledge and experience you bring to the role, your ability to lead development projects without supervision, and your ability to successfully collaborate across teams to deliver results.

Must be enrolled in a bachelor's, master's or doctorate degree program in an engineering, physics or math discipline and have at least one semester of school remaining post internship

GPA of 3.0 or above

3+ months of applied engineering experience (internship, laboratory, and personal/team project experience is applicable)
Able to work full time, on-site for a minimum of 12 consecutive weeks beginning August or September 2026

THESE QUALIFICATIONS WOULD BE NICE TO HAVE

GPA of 3.5 or above

6+ months of applied engineering experience (internship, laboratory, and personal/team project experience is applicable)

Proficient in Computer-aided design and manufacturing (CAD/ CAM) software (NX & Teamcenter) for designing and modeling mechanical components

Finite Element Analysis experience (ANSYS, Simcenter 3D, FEMAP/NASTRAN)

3D printing experience

Geometric Dimensioning & Tolerancing machining experience

Lathe machining experience

Familiarity with spacecraft design principles

Familiarity with harnesses with space flight hardware

COMPENSATION AND OTHER BENEFITS

Pay Range CA: $28.00 USD Hourly

You may be eligible for a stipend to subsidize relocation costs

This position may require prolonged periods of sitting, standing, walking, computer work, and occasional exposure to moderate levels of noise, dust and fumes in production areas

WHAT TO EXPECT

We're on a mission to unlock the potential of space to improve life on Earth, but that's not an easy task. It takes hard work, determination, relentless innovation, teamwork, grit, and an unwavering commitment to achieving what others often deem impossible. Our people out-think, out-work, and out-pace. We pride ourselves on having each other's backs, checking our egos at the door, and rolling up our sleeves on all tasks big and small. We thrive under pressure, work to tight deadlines, and our focus is always on how we can deliver, rather than dwelling on the challenges that stand in the way.

Important information:

FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY:

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Learn more about ITAR here.

Rocket Lab provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, 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, or local laws. This policy applies to all terms and conditions of employment at Rocket Lab, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Applicants requiring a reasonable accommodation for the application/interview process for a job in the United States should contact Giulia Johnson at [email protected].This dedicated resource is intended solely to assist job seekers with disabilities whose disability prevents them from being able to apply/interview. Only messages left for this purpose will be considered. A response to your request may take up to two business days.

FOR CANDIDATES SEEKING TO WORK IN NEW ZEALAND OFFICES ONLY:

For security reasons, background checks will be undertaken prior to any employment offers being made to an applicant. These checks will include nationality checks as it is a requirement of this position that you be eligible to access equipment and data regulated by the United States' International Traffic in Arms Regulations.

Under these Regulations, you may be ineligible for this role if you do not hold citizenship of Australia, Japan, New Zealand, Switzerland, the European Union, or a country that is part of NATO, or if you hold ineligible dual citizenship or nationality. For more information on these Regulations, click here ITAR Regulations.

Quick Apply

Refine Your Search

mechanical engineering intern jobs in irvine, ca

Mechanical Engineering Intern Fall 2026

Engineering Intern

Manufacturing Engineer - Intern

Electrical Engineering Intern

Engineer Intern, Manufacturing

Manufacturing Engineer Intern

Manufacturing Engineer Intern

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Systems Engineering and Integration Intern

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Fall 2026 Internship - Engineering

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NPI Engineer Intern-1

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CNC Programmer Intern

2026 Fall Internship - Manufacturing

Intern, Power Electronics Engineering

2026 Fall Internship - Mechanical / Aerospace

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