Intern-Lithography Engineer

Job Summary

We are seeking a motivated and detail-oriented Lithography Intern to join our Process Engineering team for Summer 2026. In this role, you will gain hands-on experience in the fabrication of photonic semiconductor devices, work alongside industry professionals, and contribute to important projects that support our team and company objectives.

Primary Duties & Responsibilities

• Run DOE tests to develop & optimize IGP lens process 
• Process wafers with steppers, contact aligners, and metrology tools
• Analyze DOE results and optimize process  

Education & Experience

• Open to currently enrolled graduate students or college seniors, majoring in Electrical Engineering, Material Science, Physics, or other related areas   

   

Skills & Other Requirements

• Basic knowledge of photolithography and semiconductor physics
• Team-oriented but able to work independently when needed.
• Attention to detail and time management.
• Internship Duration: 10 – 14 weeks.
• At Coherent, interns are valued members of our team and have the opportunity to make meaningful contributions from day one. In addition to hands-on project experience, our internship program includes opportunities to connect with fellow interns and colleagues across the organization through virtual and in-person networking events, team-building activities and more. Interns are expected to actively participate in these events as part of their professional development and to fully immerse themselves in our collaborative and innovative culture.

Working Conditions

• This role will be on-site (Fremont fab) 
• Regular use of a computer and other office equipment is necessary.

Physical Requirements

• Able to work inside cleanroom with lithography tools
• Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
•  Ability to communicate verbally and in writing.

Safety Requirements

All employees are required to follow the site EHS procedures and Coherent Corp. EHS standards.

Quality & Environmental Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

Culture Commitment

Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:

Integrity – Create an Environment of Trust

Collaboration – Innovate Through the Sharing of Ideas

Accountability – Own the Process and the Outcome 

Respect – Recognize the Value in Everyone

Enthusiasm – Find a Sense of Purpose in Work

Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

If you need assistance or an accommodation due to a disability, you may contact us at talentacquisition@coherent.com.

ABOUT US

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!

Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.