Principal Epi R&D Engineer

Easton, PA - USA

Monthly Salary: Not Disclosed

Posted on: 15-10-2025

Vacancies: 1 Vacancy

Job Summary

Description

Primary Duties & Responsibilities

Lead development and optimization of SiC epitaxial growth processes including
- Thickness and doping uniformity
- Defect reduction through process tuning
Drive continuous improvement initiatives across epitaxy platforms
Lead R&D projects internal qualification efforts and facilitate seamless process transfer from R&D to production.
Collaborate with substrate and epitaxy teams to establish correlations and enhance Epi quality.
Interface with external vendors to identify and implement solutions aligned with product timelines and performance goals.
Prepare technical reports and presentation external publications and participate in conferences

Education & Experience

PhD degree in Materials Science Electrical Engineering Physics or related field.
3 years of hands-on experience in SiC epitaxy preferably in a semiconductor manufacturing or R&D environment.
Deep understanding of crystal defects and strategies for control in SiC epitaxy
Experience with Epi reactor design and considerations
Strong understanding of CVD reactor operations and epitaxial growth mechanisms.
Familiarity with process modeling and simulation tools
Experience with statistical data analysis and design of experiment
Knowledge of scientific principles and practice of characterization techniques such as C-V optical characterization x-ray characterization thickness doping roughness etc.
Due to ITAR compliance this position requires candidates to be a U.S. Citizen Permanent Resident Alien or Protected Individual per 8 U.S.C. 1324b(a)(3).

Skills

Proven interpersonal and communication skills
Excellent problem-solving analytical and communication skills.
Ability to excel in a cross-organizational cross-cultural global team environment
Ability to handle multiple and complex issues involving external and internal priorities
Ability to work with employees and customers in a multi-cultural global team environment
Handle special assignments promptly and professionally
Set a high standard of ethics professionalism leadership and competency
Demonstrates and promotes the Coherent Worldwide values:
- Customer First
- Honesty and Integrity
- Open Communications
- Teamwork
- Continuous Improvement and Learning
- Manage by the Facts
- A Safe Clean and Orderly Workplace

Working Conditions

On-site in Easton PA
Cleanroom

Physical Requirements

Ability to work in cleanroom and production environment

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 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

CultureCommitment

Ensure adherence to companys 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 .

Required Experience:

Staff IC

DescriptionPrimary Duties & ResponsibilitiesLead development and optimization of SiC epitaxial growth processes including Thickness and doping uniformityDefect reduction through process tuningDrive continuous improvement initiatives across epitaxy platformsLead R&D projects internal qualification e...