Intern – Mechanical Engineering (Fusion Project)

Coherent

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
• 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.
• All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.
• Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.: I ntegrity – Create an Environment of Trust C ollaboration – Innovate Through the Sharing of Ideas A ccountability – Own the Process and the Outcome R espect – Recognize the Value in Everyone E nthusiasm – Find a Sense of Purpose in Work

Nice To Haves

• Relevant coursework or extracurricular experience in CAD design, mechanical systems, manufacturing, or laboratory testing is a plus.

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