Intern, RF Engineer

Coherent • Fremont, CA

3d • Onsite

About The Position

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. 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.

Requirements

• Education Level Required: Bachelor's / Master’s
• Majors: Electrical engineering, computer science, physics
• Open to currently enrolled students or those who have graduated within one year of the internship start date.
• 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.

Nice To Haves

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

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.

What This Job Offers

• Career Level: Intern