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Senior Silicon Photonics Design Engineer

Coherent Corp. US
Fremont, CA Full Time
POSTED ON 3/11/2026
AVAILABLE BEFORE 5/11/2026

Develop silicon photonic integrated circuits for datacom applications. The candidate will required will work with the broad engineering team to develop DR and FR silicon PICs

Primary Duties & Responsibilities

  • Design and optimization of various active and passive photonic devices
  • Drive PIC layout activities, floor-planing, waveguide and electric routing
  • Partner with transceiver module design teams in developing next-generation photonic integrated circuits (PICs).
  • Collaborate with test engineering team to plan and execute opto-electronic characterization of the PICs.
  • Measurement data analysis, design validation, data correlation, model verification
  • Work with quality engineers to create test and qualification plans
  • Work with the foundries to define and optimize the device structures and processes

Education & Experience

  • PhD degree in Electrical and Computer Engineering, Optics and Optical Engineering, Physics, or related field
  • 2 years of industrial experience in design and optimization of silicon/III-V photonic devices and photonic integrated circuits

Skills

  • Strong experience in photonic integrated circuits design CAD tools
  • Strong tapeout experience with photonics foundries
  • Strong experience on RF/SI simulation and optimization, from components such as high-speed modulators/PDs, and subsystems including PCB/TIA/driver/optical components, to transceiver systems
  • 5 years of experience in testing and characterization of optoelectronic devices and modules
  • Excellent experience of design/optimization of high-speed opto-electronic devices (modulators, photodetectors, lasers)
  • Good knowledge of high-speed analog circuitry (TIA, modulator drivers)
  • In-depth understanding of optical transceiver modules
  • Good knowledge of fiber optic and/or wireless communication systems and applications
  • Good knowledge of module packaging in optical communications
  • Good knowledge of digital electronics circuitry (microprocessors, FPGAs, SPI)
  • Good knowledge of digital signal processing
  • Excellent verbal and written communication skills
  • Excellent teamwork skills and strong independence
  • Self-motivated with innovative thinking

Working Conditions

  • Authorized to work in US

Safety Requirements

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 Senior Silicon Photonics Design Engineer in Fremont, CA
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