Mechanical Engineering Intern

Posted:
2/24/2026, 7:34:10 AM

Location(s):
California, United States ⋅ San Jose, California, United States

Experience Level(s):
Internship

Field(s):
Mechanical Engineering

Workplace Type:
On-site

It's fun to work in a company where people truly BELIEVE in what they're doing!
We're committed to bringing passion and customer focus to the business.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

Overview
Join the Mechanical Engineering team at Lumentum, where you will contribute to groundbreaking projects that shape the future of optical technologies and commercial laser solutions. Our team is focused on designing and optimizing innovative solutions to meet the evolving demands of the industry. As an intern, you’ll work alongside experienced engineers and gain hands-on experience in developing real-world applications.

Responsibilities
As a Mechanical Engineering Intern, you will:

  • Design components and mechanisms for products and manufacturing tooling’s.
  • Create models, assemblies and drawings using SolidWorks
  • Perform thermal, flow and stress simulation as required.
  • Perform tolerance stack up analysis.
  • Co-ordinate with vendor for part order and fabrication.
  • Assisting in building prototypes and testing.
  • Create detailed BOM drawings for assemblies.
  • Excellent hands-on, communication and teamwork skills required.
  • Interface with other engineers, scientists and subject matter experts in simulation and testing.

Location
This internship will be on-site in San Jose, California.

Minimum Qualifications

  • Currently enrolled in a Bachelor’s or Master’s program in Mechanical Engineering or a related field.

Desired Qualifications

  • Strong problem-solving skills and the ability to work independently and collaboratively.
  • Proficiency in Microsoft Excel and PowerPoint.
  • Familiarity with CAD software and engineering analysis tools.
  • Excellent communication skills and a proactive approach to teamwork.
  • Previous experience in a manufacturing or engineering environment is a plus.

Pay Range: $23.75 - 54.30/hour USD

Additional Information
All offers of employment are contingent upon background checks and, where applicable, work authorization. Drug screenings may also be required in certain jurisdictions.

Lumentum is an equal opportunity workplace and affirmative action employer. Our commitment to inclusion spans all dimensions of diversity, including race, ethnicity, gender identity, sexual orientation, age, veteran status, and disability.

Pay Range:

Disclaimer:

Final base salary for the successful candidate will depend on multiple factors, including but not limited to, job location, where work will be performed, qualifications, work history and relevant experience. With our continual goal of making Lumentum a best place to work for our employees, we strive to offer employees competitive total compensation packages, which may include annual bonus, commission for certain sales roles, equity, and health and welfare benefits.