Senior Process Engineer : Dry Etch

Primary Duties & Responsibilities

• Lead the development and optimization of dry etch processes (ICP, RIE) for compound semiconductor applications.
• Drive process integration and improvement initiatives to enhance device performance and yield.
• Define and control etch process parameters for GaAs and InP substrates, ensuring precision, uniformity, and repeatability.
• Utilize advanced metrology tools such as SEM, AFM, ellipsometry, profilometry, XPS, XRD, and optical interferometry for process characterization and defect analysis.
• Work closely with integration, production, and device engineering teams to integrate etch processes into the overall semiconductor fabrication flow.
• Troubleshoot process deviations, particle contamination, and chamber performance issues, implementing corrective actions and continuous improvement strategies.
• Establish and maintain SPC for process monitoring and optimization.
• Evaluate and qualify new etch chemistries, hardware configurations, and process automation tools.
• Develop and document process recipes, work instructions, and standard operating procedures (SOPs).
• Mentor junior engineers and provide technical leadership in semiconductor dry etch and metrology.

Education & Experience

Skills

Working Conditions

Physical Requirements

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. :

I ntegrity - Create an Environment of Trust

C ollaboration - Innovate Through the Sharing of Ideas

A ccountability - Own the Process and the Outcome

R espect - Recognize the Value in Everyone

E nthusiasm - 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 .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.We are seeking an experienced Senior Semiconductor Process Engineer with 10+ years of hands-on expertise in dry etch processes, including Inductively Coupled Plasma (ICP) and Reactive Ion Etching (RIE). The ideal candidate will be responsible for developing, optimizing, and troubleshooting etch processes for GaAs (Gallium Arsenide) and InP (Indium Phosphide) substrates. Additionally, the role requires proficiency in metrology techniques to support process control, yield enhancement, and technology development.