Demo

Process Engineer – Facet Coating & Bar Stack/Unstack

Coherent Corp. US
Sherman, TX Full Time
POSTED ON 5/13/2026
AVAILABLE BEFORE 7/13/2026

Primary Duties & Responsibilities

·         Develop facet coating and bar stack/unstack processes for new semiconductor laser devices.

·         Sustain production processes in the facet coating and bar stack/unstack areas.

·         Support associated metrology equipment pertinent to facet coating and bar stack/unstack processing.

·         Monitors SPC data and maintains process control.

·         Maintains process stepwise yield and investigates yield issues in the unit process and is tasked with developing/implementing corrective actions.

·         Characterize/optimize process and develop CTRL plan and OCAP.

·         Works on developing continuous improvement processes/activities to reduce scrap, improve process capability, reduce cost as well as decrease cycle time.

·         Responsible for designing/executing engineering experiments.

·         Responsible for writing process specification documentation.

·         Trains Process Technicians on unit-processes.

·         Collaborates with other functional groups, including Operations, Equipment Engineering, Process Integration, Design, Supply Chain, etc. to achieve business unit/organizational objectives.

Education & Experience

·         A Bachelors’ degree in Physics, Chemistry, Material Sciences or a closely related science or engineering major and at least 7 years of experience in the semiconductor industry or a Master degree and 5 years of industry experience or a PhD degree with 3 years of industry experience.

·         Indium Phosphide semiconductor processing or optoelectronics device experience preferred.

Skills

·         Knowledge of general semiconductor wafer processing and engineering practices.  

·         Knowledge of facet coating and bar stack/unstack processing and technologies.

·         Knowledge of engineering statistics.

·         Knowledge of semiconductor lasers is preferred.

·         Good written/oral communication skill.

·         Fluency in MS Office suite as well as JMP or other statistics software.

·         Strong interpersonal, teaming, and problem-solving skills.

·         Work effectively with other members of Coherent Corp.

Working Conditions

·         Work in a class 100/1000 clean room for extended periods

·         Wear full cleanroom attire (smock, mask, etc.)

·         Work with and/or around chemicals (such as solvents and acids)

 

Physical Requirements

·         Stand for up to 4 hours at a time

·         Lift up to 16-30 Pounds 

·         Push/Pull up to 16-30 pounds

·         Sit for up to 4 hours at a time

 

Safety Requirements

·         Everyone must follow the site EHS procedures and the II-VI Corporate EHS standards.

·         Capable of working with laser safety goggle on for extended time.

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 Process Engineer – Facet Coating & Bar Stack/Unstack in Sherman, TX
$120,651 to $140,114
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