Intern – Mechanical Engineering (Fusion Project)

Coherent Corp. • Santa Clara, CA

10d • Onsite

About The Position

We are seeking a motivated and detail-oriented Mechanical Engineering Intern to
join our team for Summer 2026. In this role, the intern will support the
development of mechanical tooling and test infrastructure for high-power
semiconductor laser stack technology used in fusion energy applications. The
intern will gain hands-on experience in CAD design, engineering documentation,
and laboratory testing while working alongside experienced engineers on real
manufacturing and R&D projects.

Requirements

• Education Level Required: Bachelor's
• Majors: Mechanical Engineering
• Relevant coursework or extracurricular experience in CAD design, mechanical systems, manufacturing, or laboratory testing is a plus.
• Open to currently enrolled students or those who have graduated within one year of the internship start date.
• Experience with CAD tools such as SolidWorks or similar 3D modeling software.
• Basic understanding of mechanical design and engineering drawings.
• Strong attention to detail and documentation skills.
• Ability to work both independently and collaboratively in a team environment.
• Interested in hands-on engineering work and laboratory testing.
• Basic programming experience (LabVIEW, Python, MATLAB, or similar).
• Excellent written and verbal communication.
• Team-oriented but able to work independently when needed.
• Adaptable and eager to learn in a fast-paced environment.
• Attention to detail and time management.

Responsibilities

• Create and update mechanical drawings and tooling designs using CAD software such as SolidWorks.
• Support the design and documentation of tooling used in Fusion laser stack assembly and testing.
• Assist engineers in preparing engineering drawings, part lists, and documentation for fabrication.
• Support setup and execution of Fusion stack testing activities at the PTH facility.
• Assist with mechanical inspection, measurement, and documentation of prototype components.
• Collaborate with engineers and technicians to improve tooling designs and test processes.
• Document project progress and present a summary of internship work at the end of the program.

What This Job Offers

• Career Level: Intern