Process Engineer

II-VI UK, Ltd.; Sherman (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

Coherent Corp. in Sherman, TX, seeks a Semiconductor Process Engineer to develop and optimize wafer fabrication processes across lithography, etch, deposition, and anneal, ensuring robust process control.

You will collaborate with senior engineers, maintain SOPs, support device-flow transfers, and drive yield improvements and cost reductions.

Qualifications

• Bachelor's degree in engineering or related field.
• At least 3 years of semiconductor process engineering experience.
• Experience with wafer fabrication and process control.
• Strong data analysis and communication skills.

Responsibilities

• Assist in developing, characterizing, and optimizing wafer fabrication processes across modules.
• Develop and maintain SOPs, process recipes, and SPC.
• Support process transfers and integration of new device flows into production.
• Collaborate on process stability, yield improvement, and defect reduction.
• Design and execute experiments and write process specifications.
• Drive continuous improvement to reduce scrap, improve capability, and reduce cost.

Skills

Semiconductor wafer processing

GaAs/InP processing

Data analysis

Statistics

Communication

MS Office

Project management

Education

Bachelor's degree in Engineering/Materials Science/Physics

Tools

Excel

JMP

Python

SQL

MATLAB

Job description

Primary Duties & Responsibilities

• Assist in developing, characterizing, and optimizing wafer fabrication processes across modules such as lithography, wet or dry etch, metallization, deposition, and anneal.
• Develop and maintain standard operating procedures, process recipes, and SPC.
• Support process transfers and integration of new device flows into production.
• Collaborate with senior engineers on process stability, yield enhancement, and defect reduction.
• Characterize/optimize process and develop control 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.

Education & Experience

• Bachelor's degree in Engineering, Materials Science, Physics, or a related technical field.
• At least 3 years of semiconductor process engineering experience.

Skills

• Knowledge of general semiconductor wafer processing and engineering practices.
• GaAs/InP semiconductor processing or optoelectronics device experience preferred.
• Competence in data analysis tools such as Excel, JMP, Python, SQL, or MATLAB
• Knowledge of engineering statistics.
• Good written/oral communication skills.
• Fluency in MS Office suite.
• Project management skills

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 solids 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

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.

CultureCommitment

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 [e-mail].