Demo

Principal Silicon Photonics Packaging Engineer

Coherent Corp. US
Fremont, CA Full Time
POSTED ON 11/12/2025
AVAILABLE BEFORE 1/12/2026

Primary Duties & Responsibilities

  • Drive Co-Packaged Optics and Optical Engine product packaging activities from initial concept to production.
  • Develop Silicon Photonic (PIC) and electronics IC (EIC) co-design process flow, PIC and EIC IO pad frame and 3D interposer floor plan. 
  • Lead PIC and EIC interconnect schematic and monitor layout design process. 
  • Work with OSAT’s to define PIC and EIC hybrid integration packaging design rules, process flow, and material sets.
  • Lead optical package development to establish package manufacturability and reliability.
  • Collaborate with cross-functional teams consisting of Silicon Photonics, IC design, substrate layout, and module design teams.

Education & Experience

  • Bachelor’s degree with 9 years of related experience in optical and IC packaging.
  • Or Master’s degree with 7 years; or a PhD with  4 years experience.

Skills

  • Expertise in advanced IC packaging design, FOWLP, RDL, bumping, flip-chip.
  • Experience with high-speed differential and single ended impedance-controlled signal routing.
  • Experience with Silicon Photonics IC packaging.
  • Experience with organic substrate design and packaging.

Working Conditions

  • This position is on-site full time.
  • May require occasional off-site meetings or travel
  • Regular use of a computer and other office equipment is necessary
  • Interaction with team members and external contacts is a regular part of the job
  • May require occasional overtime and flexibility in work hours to accommodate the executive’s needs

Physical Requirements

  • Sitting for extended periods while working on a computer or conducting 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.
  • Mobility within the office environment to attend meetings or interact with colleagues.nts

 

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

Quality and 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.


 

Salary.com Estimation for Principal Silicon Photonics Packaging Engineer in Fremont, CA
$103,802 to $129,804
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