Sr Sapphire Crystal Growth Process Engineer

We are seeking a highly skilled and detail-oriented engineer to operate sapphire crystal growth equipment and drive advancements in process and product development. This dynamic role combines hands-on operation with process design, troubleshooting, and performance optimization to meet internal and external customer needs.

The engineer will be responsible for operating sapphire crystal growth equipment, utilizing edge-defined film-fed growth (EFG) and heat-exchanger methods, along with other related processes.

Key responsibilities include supporting the design of production equipment and processes, leading improvement initiatives, updating and creating process documentation, and troubleshooting various challenges. The role also focuses on cost reduction, cycle-time optimization, process stability, and metrics tracking. Furthermore, the engineer will take the lead in developing new processes and products to meet evolving customer requirements.

Primary Duties & Responsibilities

• Identifies and monitors critical crystal growth process parameters, addresses factors that impact process control, yield, and throughput.
• Creates / maintains crystal growth procedures, SPC charts and related paperwork.
• Investigates data to establish correlations & trends, improvements, and root cause failure analysis for existing processes.
• Utilizes fundamental understanding of materials science and crystal growth to develop new growth processes to meet internal and external customer requirements.
• Leads the implementation of processes / technology from R&D to manufacturing.
• Supports manufacturing operations in capacity expansion and supplier qualification while maintaining quality and meeting product specifications.
• Generates scientific and technical ideas, contributes to the Intellectual Property Portfolio of Coherent by writing disclosures and patents. Participates to scientific meetings.

Education & Experience

Skills

Working Conditions

Physical Requirements

Safety Requirements

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 A&D :

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 A&D 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.

This role involves access to technology, materials, software, or hardware subject to . export control laws. Therefore, to be considered, candidates must be classified as a “. Person” under applicable regulations or be eligible for authorization under a . government export license.