Mechanical Systems Engineer Internship

Confirmed live in the last 24 hours

Onto Innovation

Milpitas-CA

On-site

Posted April 3, 2026

Job Description

Onto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading-edge technologies that include: 3D metrology spanning the chip from nanometer-scale transistors to micron-level die-interconnects; macro defect inspection of wafers and packages; metal interconnect composition; factory analytics; and lithography for advanced semiconductor packaging. Our breadth of offerings across the entire semiconductor value chain helps our customers solve their most difficult yield, device performance, quality, and reliability issues. Onto Innovation strives to optimize customers’ critical path of progress by making them smarter, faster and more efficient.

Job Summary & Responsibilities

This internship offers a unique opportunity to contribute to a high-visibility program while gaining hands-on experience with mechanical systems, substrate handling components, and system-level troubleshooting used in advanced manufacturing equipment.

The Mechanical Systems Engineer Intern will work closely with senior engineers and cross-functional teams to support system design, testing, troubleshooting, and continuous improvement initiatives.

Assist in troubleshooting electromechanical systems under the guidance of senior engineers, identifying root causes and supporting corrective actions.
Help reduce production labor, cycle time, and material cost through mechanical design improvements and process optimization.
Read, understand, and interpret mechanical drawings, schematics, and system-level documentation, recommending and implementing updates as needed.
Use diagnostic and measurement tools (e.g., calipers, torque tools, sensors, multimeters, oscilloscopes) to analyze mechanical and mechatronic system performance.
Collaborate with manufacturing, electrical, and systems engineering teams to improve equipment reliability, efficiency, and utilization.
Review End-of-Life (EOL) components and support redesign efforts using currently available mechanical or electromechanical components.
Assist in improving system documentation, design standards, and test procedures.
Document test results, troubleshooting steps, design changes, and recommendations to support future improvements and product scalability.

Qualifications

Currently pursuing a Bachelor’s degree in Mechanical Engineering or a related field. Ideal candidates will be graduating this year or in 2027.
Basic understanding of electrical circuits, troubleshooting, and schematic reading
Familiarity with electrical diagnostic tools (e.g., multimeters, oscilloscopes).
Strong analytical and problem-solving skills with attention to detail.
Ability to work collaboratively in a team-oriented environment.
Eagerness to learn and apply engineering principles in a real-world setting.

Why Join Onto Innovation?

At Onto Innovation, we believe your work should matter—and so should your well-being. That’s why we offer competitive salaries and a comprehensive benefits package designed to support you and your family. From health, dental, and vision coverage to life and disability insurance, PTO, and a 401(k) with employer match, we’ve got you covered. You’ll also enjoy access to our Employee Stock Purchase Program (ESPP), wellness initiatives, and cutting-edge tools—all within a collaborative, inclusive culture where your contributions are valued and recognized.

Compensation & Growth

• Base Salary Range:

$ - $, offered in good faith and based on experience, location, and qualifications.

Additional Rewards: Annual bonus opportunities and potential long-term incentives tied to both company and individual success.

Empowering Every Voice to Shape the Future:

Onto Innovation is committed to creating a workplace where every qualified candidate has an equal opportunity to succeed. We evaluate applicants based on skills, experience, and potential - without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, veteran status, or any other characteristic protected by law. We believe diversity of thought and background drives innovation and strengthens our team.

Important Note on Export Compliance

For certain positions requiring access to technical data, U.S. export licensing review may be necessary for applicants who are not U.S. Citizens, Permanent Residents, or other protected persons under 8 U.S.C. 1324b(a)(3).