Intern, RF Engineer

Job Summary

We are seeking a motivated and detail-oriented high speed optoelectronics design intern to join our CPO team for Summer 2026.

In this role, you will gain hands-on experience in RF design, simulation, and testing, work alongside industry professionals, and contribute to meaningful projects that support our team and company objectives.

Primary Duties & Responsibilities


* Design and develop CPO SI simulation model.


* Work with Silicon Photonic (PIC) and EIC (including TIA, driver, and micro-controller), substrate, electrical socket suppliers to optimize overall system performance.


* RF design using modeling tools such as CST or HFSS.


* Final presentation to summarize work at the end of the internship.

Education & Experience


* Education Level Required: Bachelor's / Master's


* Majors: Electrical engineering, computer science, physics


* Relevant coursework or extracurricular experience in Photonics and semiconductor is a plus.


* Open to currently enrolled students or those who have graduated within one year of the internship start date.

Skills & Other Requirements


* 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.


* 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 based on-site in Fremont, CA


* Regular use of a computer and other office equipment is necessary.

Physical Requirements


* Sitting for extended periods while working on a computer or in meetings.


* Use of hands and fingers for typing, writing, and handling documents.


* 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.:

I...