Yield Engineer – Optoelectronic Device Manufacturing

2 Months ago • 3 Years + • Software Development & Engineering

Job Summary

Job Description

As a Yield Engineer, you will be responsible for monitoring and analyzing yield performance across optoelectronic device manufacturing production lines, identifying negative trends, and using structured problem-solving techniques to resolve yield excursions. You will perform deep dives into large manufacturing datasets using SQL, JMP, and other data analysis tools, and build predictive yield models applying machine learning techniques. This role requires a strong understanding of semiconductor process flows and device physics for optoelectronic components, collaborating with R&D, Manufacturing, Process Engineering, Equipment Engineering, and Quality teams. You will also serve as a technical liaison with key customers and support new product introductions to ensure high initial yields.
Must have:
  • Bachelor's or Master's degree in Electrical Engineering, Materials Science, Applied Physics, Data Science, or related field.
  • 3+ years of experience in semiconductor yield engineering, preferably in optoelectronic device manufacturing.
  • Proficiency in data analysis tools (JMP, Python, or R) and SQL.
  • Working knowledge of semiconductor processes and device fabrication techniques.
  • Proven track record of cross-functional leadership and collaborative problem-solving.
  • Strong communication skills, including customer engagement and presentation of complex findings.
Good to have:
  • Familiarity with machine learning concepts and their application to yield prediction or defect classification.
  • Experience with advanced yield modeling and SPC methodologies.
  • Exposure to high-volume production environments and rapid problem-resolution techniques.
  • Knowledge of laser diodes, photodetectors, VCSELs, or similar optoelectronic devices.
Perks:
  • Periodic work in a class 100/1000 clean room

Job Details

Primary Duties & Responsibilities

 

  • Yield Monitoring & Analysis:
    • Track yield performance across production lines and quickly identify negative trends.
    • Use structured problem-solving techniques to investigate and resolve yield excursions.
  • Data Mining & Analytics:
    • Perform deep dives into large manufacturing datasets using SQL, JMP, and other data analysis tools.
    • Build and maintain predictive yield models and apply machine learning techniques for early detection of defects or deviations.
  • Process & Device Expertise:
    • Leverage a strong understanding of semiconductor process flows and device physics for optoelectronic components.
    • Collaborate with process engineers to refine process windows and reduce variability.
  • Cross-Functional Collaboration:
    • Work closely with R&D, Manufacturing, Process Engineering, Equipment Engineering and Quality teams to coordinate efforts and communicate results.
    • Lead cross-functional teams during yield improvement and cost reduction initiatives.
  • Customer Engagement:
    • Serve as a technical liaison with key customers to present yield updates, address concerns, and support audits or joint improvement projects.
  • New Product Introduction (NPI):
    • Support rapid ramp-up of new optoelectronic products, ensuring smooth transitions from development to production with high initial yields.
    • Conduct risk assessments and drive DFM (Design for Manufacturability) recommendations.

Education & Experience

  • Bachelor’s or Master’s degree in Electrical Engineering, Materials Science, Applied Physics, Data Science, or a related field.
  • 3+ years of experience in semiconductor yield engineering, ideally in optoelectronic device manufacturing.

Skills

  • Proficiency in data analysis tools (JMP, Python, or R) and SQL for querying manufacturing databases.
  • Working knowledge of semiconductor processes and device fabrication techniques.
  • Familiarity with machine learning concepts and their application to yield prediction or defect classification.
  • Proven track record of cross-functional leadership and collaborative problem-solving.
  • Strong communication skills, including the ability to engage with customers and present complex findings clearly.
  • Experience with advanced yield modeling and SPC methodologies.
  • Exposure to high-volume production environments and rapid problem-resolution techniques.
  • Knowledge of laser diodes, photodetectors, VCSELs, or similar optoelectronic devices.

Working Conditions

  • Periodic work in a class 100/1000 clean room
  • Periodically wear full cleanroom attire (smock, mask, etc.)

Physical Requirements

  • Stand for up to 2 hours at a time
  • Lift up to 6-10 Pounds 
  • Push/Pull up to 6-10 pounds
  • Sit for up to 2 hours at a time

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.


 

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