Senior Principal Optoelectronics Engineer

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📍 Fremont, CA, United StatesFull time

About this role

Primary Duties & Responsibilities

  • Model and design silicon photonics based laser with III-V gain materials, including InP Quantum Well (QW) and GaAs Quantum Dot (QD).
  • Work closely with III-V gain material teams in characterizing laser gain material parameters, optimizing device performance, and preparing samples for laser manufacturing.
  • Work closely with silicon photonics design teams in defining laser parameters, simulating laser performance, and working out silicon photonics laser processing procedures.
  • Collaborate with foundries and process teams in III_V integration onto silicon, laser fabrication, testing, problem solving, and performance optimization
  • Collaborate with Product Line Management and R&D Management to generate development schedules that achieve key project milestones, NPI deliverables, business requirements, and customer satisfaction.
  • Manage CPO/NPO products through R&D NPI Phase Gate process, meet NPI deliverable, and deliver qualified products to the global Operations team.
  • Light travel for development activities: supplier engagement, design improvement, process development, and problem solving. 

Education & Experience

  • MS/PhD in an engineering or science discipline plus 5+ years of relevant experience 
  • Experience with semiconductor laser design and silicon photonics.
  • Experience with CPO, optical transceivers or components desirable. 
  • Experience with New Product Introduction (NPI) and/or Product Lifecycle Management processes 
  • Experience of managing cross-functional teams successfully, interacting with a broad range of functions, skills, cultures, and personalities.

 

Skills & Other Requirements

  • Previous experience as an engineer in laser and silicon photonics R&D.
  • Strong problem solving, critical thinking, and risk management skills.
  • Strong communication, planning, and organizational skills.
  • Highly self-motivated with a strong multi-disciplinary background is essential.

 

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

Safety Requirements

All employees are required to attend scheduled training, follow the site EHS procedures and Corporate EHS standards.  This includes the use of proper protective equipment (PPE) as required by the job responsibilities.

Managers will ensure that all safety and environmental procedures are followed consistently.  They will ensure that risk assessments are performed, proper training, work instructions, required PPE is available, and will monitor compliance.

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.

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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.


Frequently Asked Questions

Is the salary disclosed for the Senior Principal Optoelectronics Engineer position at Coherent Corp. US?
The salary for this Senior Principal Optoelectronics Engineer role at Coherent Corp. US is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Principal Optoelectronics Engineer position at Coherent Corp. US located?
This Senior Principal Optoelectronics Engineer role at Coherent Corp. US is based in Fremont, CA, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Principal Optoelectronics Engineer role at Coherent Corp. US full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Principal Optoelectronics Engineer role at Coherent Corp. US.
How do I apply for the Senior Principal Optoelectronics Engineer position at Coherent Corp. US?
Click the "Apply Now" button on this page. You will be redirected to Coherent Corp. US's official application portal hosted on oraclecloud where you can submit your application directly.
When was the Senior Principal Optoelectronics Engineer job at Coherent Corp. US posted?
This Senior Principal Optoelectronics Engineer position at Coherent Corp. US was posted on Jul 28, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Principal Optoelectronics Engineer
Coherent Corp. US
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